EP2130614A1 - Dispositif de traitement pour pièces - Google Patents

Dispositif de traitement pour pièces Download PDF

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Publication number
EP2130614A1
EP2130614A1 EP09162062A EP09162062A EP2130614A1 EP 2130614 A1 EP2130614 A1 EP 2130614A1 EP 09162062 A EP09162062 A EP 09162062A EP 09162062 A EP09162062 A EP 09162062A EP 2130614 A1 EP2130614 A1 EP 2130614A1
Authority
EP
European Patent Office
Prior art keywords
treatment
shaft
nozzle
rotation
treatment 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
EP09162062A
Other languages
German (de)
English (en)
Other versions
EP2130614B1 (fr
Inventor
Joachim Schwarz
Stefan Schaal
Martin Armbruster
Steffen Haas
Rudi Schulz
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.)
MAFAC Ernst Schwarz GmbH and Co KG
Original Assignee
MAFAC Ernst Schwarz GmbH and Co KG
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 MAFAC Ernst Schwarz GmbH and Co KG filed Critical MAFAC Ernst Schwarz GmbH and Co KG
Priority to EP09162062A priority Critical patent/EP2130614B1/fr
Publication of EP2130614A1 publication Critical patent/EP2130614A1/fr
Application granted granted Critical
Publication of EP2130614B1 publication Critical patent/EP2130614B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
    • B08B11/02—Devices for holding articles during cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices

Definitions

  • the present invention relates to a treatment device for parts, in particular for workpieces or workpieces.
  • treatment devices having a treatment chamber, a part receiving device arranged in the treatment chamber for receiving one or more parts and having a nozzle device arranged in the treatment chamber, which serves for dispensing a treatment medium.
  • This treatment medium is a liquid medium for cleansing treatment or a gaseous medium for cleansing and / or drying treatment.
  • Such treatment devices are for example in the EP 0 507 294 B1 or the WO 98/45059 A1 described.
  • the EP 1 640 077 A1 describes, among other things, a treatment device with a workpiece carrier, which is rotatably mounted, wherein a workpiece holder for receiving workpieces is pivotally mounted on the workpiece carrier.
  • the DE 10 2005 003 093 A1 describes a cleaning system with several cleaning stations.
  • Each cleaning station comprises a robot which has a receptacle for a workpiece to be cleaned at the end of a robot arm.
  • the individual cleaning stations also comprise upwardly open treatment containers into which the workpiece can be introduced by means of the robot arm.
  • the DE 20 2005 013 542 U1 describes a cardanic washer in which workpieces to be treated are rotated about two axes.
  • two drive shafts are available, the are firmly coupled together so that movements about one axis are dependent on movements about the other axis.
  • the object of the present invention is to provide a treatment device for parts which is particularly suitable for the use of an aqueous cleaning medium and which ensures efficient treatment of the parts.
  • the treatment device comprises a liquid-tight and / or pressure-tight treatment chamber, a nozzle device with at least one arranged in the treatment chamber nozzle and a parts receiving device, wherein the parts receiving device comprises: a first rotary unit with a support device which is disposed in the interior of the treatment chamber and the completely a first axis of rotation is rotatably mounted on the treatment chamber; a second rotary unit having a part receiver rotatably supported on the support member completely rotatable about a second rotation axis independent of rotation of the first rotary unit, the first and second rotary axes including a non-zero first angle.
  • This first angle can in particular be an angle between 75 ° and 90 °.
  • the first rotary unit with the rotatably mounted on the treatment chamber supporting device on the one hand and the second rotary unit with the rotatably mounted on the support device Workpiece holder on the other hand allow any positioning of the part receiving with respect to the at least one nozzle within the treatment chamber.
  • all areas of the component holder, and thus all external areas of the part held by the component holder or the parts held by the component holder can be acted upon directly by the treatment medium via the nozzle.
  • this direct admission of the parts with a treatment medium is particularly intensive cleaning, so that even when using a solvent-free treatment medium very good cleaning results can be achieved.
  • the part holder can be realized as a cuboid frame construction.
  • the part holder is arranged, for example, so that two lying on a space diagonal of the cuboid frame construction corners lie on the second axis of rotation.
  • a cuboid part receptacle can also be mounted such that the axis of rotation runs parallel to one of the area diagonals of the cuboid or that the axis of rotation runs parallel to one of the long or short sides of the cuboid.
  • the rotatable mounting of the support device to the treatment chamber for example, by means of a rotatably mounted first shaft, and the rotatable mounting of the part receiving For example, by means of a rotatably mounted on the support device second shaft.
  • these two shafts are realized so that they can be rotated independently of each other.
  • it is provided to drive the second shaft by means of a third shaft and a drive element arranged between the second and the third shaft.
  • the drive element is, for example, a chain and in particular a bow chain, that is to say a chain which can be bent arcuately in a direction transverse to a pulling direction without damaging the chain.
  • a bow chain as a drive element is useful, for example, in an embodiment in which axes of rotation, which are defined by the second and the third wave, not parallel to each other.
  • it is provided to design one of the first and third shafts as a hollow shaft and to arrange the other of the first and third shafts rotatably mounted within the hollow shaft. An angle enclosed by the axes of rotation defined by the second and third shafts is then equal to the angle between the first and second axes of rotation.
  • a bow chain as a drive element in this case allows a secure torque transmission from the third to the second shaft.
  • the third shaft is in this case rotatably supported independently of the first shaft, so that the first and driven by the third shaft second shaft are independently rotatable.
  • any other drive element such as a belt, between the second and the third shaft may be arranged.
  • guide members such as rollers may be provided so as to guide the belt securely even across the pulling direction.
  • the drive element is provided to guide the drive element within a housing between the second and third shaft.
  • This housing may be at least partially formed by the support device itself.
  • the support device is for example at least partially formed as a hollow profile construction, in particular as a tubular construction, and the drive element is guided at least partially within this hollow profile construction.
  • the carrying device can in particular have two parallel pipe sections, wherein the drive element extends in the drive direction in one of these pipe sections and in the output direction in the other of these pipe sections.
  • an electric drive arranged on the carrying device, and thus in the treatment chamber.
  • This electric drive comprises an electric motor and a transmission arranged between the electric motor and the second shaft.
  • a power supply to the electric motor from outside the treatment chamber take place in that the supporting device driving the first shaft is formed as a hollow shaft in which a power supply line is guided from the outside into the treatment chamber, wherein the power supply line in the treatment chamber in or along the support device to can be performed the electric drive.
  • the nozzle device may be mounted to be completely rotatable on the treatment chamber, wherein a third axis of rotation about which the nozzle device is rotatable may extend parallel to the first axis of rotation of the carrier or at an angle other than zero with this axis of rotation.
  • FIGS. 1 and 2 illustrate by way of perspective illustrations an example of a treatment device for the treatment of parts.
  • These parts are in particular workpieces or workpieces made of metal, but may also consist of another material, such as plastic.
  • the treatment device is used to treat such individual parts of the work, such as whole engine blocks, or for the treatment of so-called bulk material, ie a variety of small items that are placed in a suitable container, such as a closable basket in the treatment device for treatment.
  • a "treatment” is to be understood as meaning in particular a cleansing or a drying treatment of the parts.
  • a cleansing treatment the parts are brought into contact with a cleaning treatment medium (cleaning liquid), and in a drying treatment, the parts are brought into contact with a drying or gaseous treatment medium.
  • the cleaning liquid is, for example, an aqueous cleaning liquid to which surfactants or wetting agents and corresponding cleaning-enhancing components, such as, for example, inorganic salts (phosphates) are added.
  • the drying treatment medium is for example compressed air and / or hot air.
  • the treatment device has a treatment chamber 1, which is also referred to as a treatment cell, into which parts to be treated for treatment can be introduced.
  • This treatment chamber is a closed and in particular liquid-tight and / or pressure-tight container, has at least one closable opening for introducing the parts before the treatment process and for removing the parts after the treatment process, which in the FIGS. 1 and 2 but not explicitly shown.
  • transitions between the opening and the chamber 1 and between all subsequently explained lines and waves, which are guided in the chamber 1, and the chamber 1 can be carried out according to liquid-tight and / or pressure-tight.
  • Liquid-tight in this context means that treatment liquid can be introduced into the chamber 1 only via predetermined lines and removed from the chamber and can not otherwise escape.
  • Pressure-tight means that an overpressure or negative pressure can be built up to atmospheric pressure.
  • An overpressure may in particular be a fluid pressure that arises when the chamber is partially or completely flooded with a cleaning medium.
  • a negative pressure can be built up both during cleaning processes and during drying processes in the treatment chamber.
  • Liquid-tight and / or pressure-tight treatment chambers are known in principle, so that it is possible to dispense with further embodiments in this connection.
  • the treatment chamber 1 is in FIG. 1 merely indicated by a dot-dash line and has, for example, a cuboid or cylindrical geometry. Referring to FIG. 2 in which the treatment chamber 1 is shown in half section, however, the treatment chamber may also have a spherical geometry.
  • the treatment device also has a nozzle device 2 with at least one nozzle 23 arranged in the treatment chamber 1.
  • the nozzle device 2 has a nozzle tube arrangement 21 on which the at least one nozzle 23 is arranged.
  • FIG. 1 only one such nozzle 23 is shown schematically.
  • the nozzle consists in the simplest case of a hole in the wall of a nozzle tube of the nozzle tube assembly 21st
  • a plurality of such nozzles may be provided on the nozzle tube assembly 21.
  • the nozzle tube assembly 21 has in the example shown four nozzle tubes: two nozzle tubes 21 1 , 21 2 for dispensing a liquid treatment medium; and two nozzle tubes 21 3 , 21 4 for discharging a gaseous treatment medium.
  • the provision of separate nozzle tubes for a liquid and a gaseous treatment medium is merely an example.
  • the nozzle tube for example, during a period of a treatment process, a liquid, a cleaning treatment medium and during another period a gaseous, a drying serving treatment medium is supplied.
  • the provision of several - in the present case two - nozzle tubes for the same treatment medium is to be regarded merely as an example.
  • the nozzle tube assembly 21 has only a single nozzle tube with at least one nozzle disposed on the nozzle tube, which is optionally used for introducing a liquid or gaseous treatment medium in the treatment chamber 1.
  • the nozzle tube assembly 21 is in the in the FIGS. 1 and 2 shown treatment device rotatably mounted on the treatment chamber 1.
  • an attached to the treatment chamber 1 bearing 22 is provided, whose structure and operation based on FIG. 5 will be explained in more detail.
  • a further bearing 24 is provided for the rotatable mounting of the nozzle tube assembly 21, which is arranged in extension of a defined by the first bearing 22 axis of rotation CC to the first bearing 22.
  • the nozzle tube assembly 21 is formed such that it surrounds a part receptacle 41 to be explained so that the at least one nozzle 23 "orbits" the part receptacle 41 during a rotational movement of the nozzle tube assembly 21.
  • a nozzle outlet of the at least one nozzle 23 is directed onto the part receiver 41 or in a direction pointing away from the wall of the treatment chamber.
  • the rotatable mounting of the nozzle tube assembly 21, which allows rotation of the nozzle tube assembly 21 within the treatment chamber 1, is merely optional. It is also possible, the nozzle tube assembly 21 to be arranged rigidly within the treatment chamber 1, so to dispense with a rotatable mounting of the nozzle tube assembly 21.
  • the at least one nozzle 23 directly on an inner wall of the treatment chamber 1 and aligning it so that its nozzle outlet is directed onto the part receiver 41.
  • a supply of the treatment medium to the nozzle can take place via a rigid or flexible conduit system (not shown), which is also arranged on the inner wall of the treatment chamber.
  • the nozzles 23 may also be arranged directly in bores in the wall of the treatment chamber 1 and be supplied directly from the outside with the respective treatment medium.
  • Such fixedly arranged nozzles may be provided as an alternative or in addition to the nozzles of a rotatable pipe system.
  • FIG. 2 shows such a stationary in the wall of the treatment chamber 1 arranged nozzle 23 in cross section.
  • This nozzle 23 can be realized as a rigid nozzle, which emits the treatment beam only in one direction, or as a pivotable or rotatable nozzle. For turning or pivoting, for example, a ball joint (not shown) may be provided.
  • a supply line 21 5 via which the nozzle a treatment medium can be fed.
  • the nozzle 23 is arranged in the wall of the chamber such that a nozzle outlet directed to the part receptacle 41.
  • FIG. 2 only one such fixed nozzle 23 is shown, as well as in the illustrated nozzle tube assembly 21 - the possibility to provide a plurality of spaced-apart stationary nozzles, which are arranged inside the wall of the treatment chamber 1 or in the wall of the treatment chamber 1.
  • the treatment device has a parts receiving device with a first rotary unit 3 and a second rotary unit 4.
  • the first rotation unit 3 includes a support device 31 rotatably supported on the treatment chamber 1, and the second rotation unit 4 includes the part receiver 41 rotatably supported on the support device 31 of the first rotation unit 3.
  • a first bearing 32 is provided, which is fastened to the treatment chamber 1 and which defines a first axis of rotation AA of the carrying device 31.
  • a second bearing 42 is provided which is fixed to the support device 31 and which defines a second axis of rotation BB of the part holder 41.
  • the first and second bearings 32, 42 are arranged spatially offset from one another in such a way that the first axis of rotation AA and the second axis of rotation BB do not run parallel to each other, but enclose an angle which is not equal to 0 °. This angle is in particular between 75 ° and 90 °, for example.
  • the angle between the two axes of rotation is defined as the angle to which a first imaginary plane, to which the first axis of rotation AA represents the surface normal, and a second imaginary plane, to which the second axis of rotation BB represents the surface normal.
  • the first and second axes of rotation AA, BB may have a common point of intersection, but may also be skewed.
  • the two non-parallel axes of rotation A-A, B-B always include two angles, a first angle and a second angle complementary to the first angle, which complement each other to 180 °.
  • An angle between two axes of rotation is to be understood in the context of the present description is always the smaller of these two angles.
  • the two bearings 32, 42 are arranged so that both axes of rotation AA, BB lie within the treatment chamber 1 and the treatment chamber 1 intersect.
  • the axes of rotation can intersect here in the treatment chamber, or can be arranged skewed to each other.
  • the two bearings 32, 42 are arranged such that both axes of rotation AA, BB intersect a part-receiving region defined by the part receiver 41.
  • the axes of rotation AA, BB can intersect within the part receiving area, but they can also be arranged skewed to each other.
  • the "part-receiving area" defined by the part receiver 41 is the area within the treatment chamber 1 in which workpieces may be held by the part receiver 41 during the treatment process.
  • part receptacle 41 which has a cuboid frame construction, corresponds to the part receiving area, for example, the volume which is defined by the cuboid frame structure.
  • the partial receiving area does not necessarily have to be defined by a cuboid frame construction.
  • the part receiving area is a volume within the treatment chamber 1, in which it is held by the part receiver Workpieces can be arranged during the treatment process.
  • the position of this volume is determined by the position of the part receiver 41, and the size of this volume corresponds to the maximum possible volume that workpieces may have to be received by the part receiver 41.
  • the two bearings 32, 42 are realized so that a rotation of the support device 31 can be carried out independently of a rotation of the part holder 41.
  • the direction of rotation and the rotational speed of the support device 31 on the one hand and the direction of rotation and the rotational speed of the part receiver 41 on the other hand can be adjusted independently of each other.
  • the part receptacle 41 is subject to a movement resulting from a superposition of the two rotational movements, namely the rotational movement of the support device 31 on the one hand and the rotational movement of the part receptacle 41st on the other hand, results.
  • the parts held by the part receiver 41 during a treatment process are thus subject to this movement.
  • the support device 31 and the part holder 41 are each completely rotatably mounted, so they can each be rotated by 360 ° or rotate.
  • the movement of the part holder 41 causes a permanent mixing of the parts, so that in the course of the treatment process also those parts that were initially "buried", in the outer area of a basket used for receiving the bulk material (not shown) arrive can and are exposed there directly to the emitted through the nozzle jet of the treatment medium.
  • the part holder 41 can be aligned at any solid angles within the treatment chamber 1.
  • the device allows a particularly effective treatment method, as will be explained below.
  • any point on the surface of the workpiece may be oriented to lie on a line between the nozzle and the axis of rotation intersection. In this way, even if only one nozzle is present, any point on the surface of the workpiece can be acted upon by a treatment medium discharged from the nozzle.
  • the angle of incidence of the treatment medium is the same for any point on the surface of the workpiece.
  • the cleaning of a spherical workpiece represents the ideal case in this respect.
  • the angle of incidence varies depending on the geometry of the workpiece.
  • this variation of the impact angle is exclusively due to the geometry of the workpiece and - since the axes of rotation AA, BB intersect - not additionally by the movement of the part holder 41st
  • a variation of the impact angle caused by the rotation of the part holder 41 is present when the axes of rotation do not intersect.
  • the two axes of rotation A-A, B-B extend through the part receiving area, this variation of the angle of incidence in the illustrated treatment device is limited.
  • the at least one nozzle is aligned, for example, on one of the two axes of rotation A-A, B-B or aligned on a virtual connecting line of the two axes of rotation, which is perpendicular to the two axes of rotation.
  • the cleaning efficiency can thereby be increased by providing a plurality of spaced-apart nozzles and by these nozzles are moved in orbits, such as circular paths around the part holder 41, which by means of the illustrated rotatably mounted nozzle tube assembly 21 according to the FIG. 1 and 2 can be achieved.
  • the part holder 41 is formed, for example, as a cuboid frame construction, which is mounted such that a spatial diagonal of the cuboid lies on the second axis of rotation BB. This is achieved, for example, in that the part receptacle 41 at two diagonally opposite each other Corners is rotatably mounted.
  • an auxiliary bearing 43 may be provided which holds the part holder 41 on the space diagonal opposite corner and which is also arranged on the support device 31 in the example shown. In this auxiliary bearing 43 can be dispensed with when the second bearing 42 is dimensioned so that it can absorb all the forces acting on a rotational movement of the part holder 41 forces.
  • first and second bearings 32, 42 are described below with reference to Figures 3 and 4 explained. These figures each show a cross section through such a bearing.
  • the first bearing 32 shown by way of example has a bearing bush 321 on which a flange 326 is arranged.
  • the bearing 32 is by means of this flange 326, which also in the FIGS. 1 and 2 is shown attached to the treatment chamber 1.
  • the bushing 321 is for example a cylindrical bush
  • the flange 326 is for example an annular flange.
  • a first shaft 322 is arranged, which is mounted rotatably or rotatably relative to the bearing bush 321.
  • ball bearings 325 1 , 325 2 between the bearing bush 321 and the first shaft 322 are arranged in the illustrated example.
  • any other rolling bearing such as needle roller bearings, or plain bearings may be provided instead of these ball bearings.
  • a first drive wheel 324 is provided, which is arranged at an end of the first shaft 322 facing away from the interior of the treatment chamber 1.
  • This first drive wheel 324 is screwed in the illustrated example with the first shaft 322, but could also be connected in any other way non-positively with the first shaft 322.
  • the drive wheel 324 is used to drive the first shaft 322, and thus for driving the support device 31, which is fastened in the manner explained below at the interior of the treatment chamber facing the end of the first shaft 322.
  • the first drive wheel 324 is, for example, part of a transmission, not shown, via which a motor (also not shown) drives the first shaft 322.
  • the first drive wheel 324 is - as shown - for example, a gear, but - depending on the type of transmission - but also a sprocket or a pulley. Seals 326 between the bushing 321 and the first shaft 322 provide a seal of the treatment chamber 1 in the region of the first bearing 32nd
  • the support device 31 is attached to the interior of the treatment chamber 1 facing the end of the first shaft 322.
  • the first shaft 322 for this purpose an annular flange, with which the support device 31 is screwed.
  • any other frictional connection between the support device 31 and the first shaft 322 could be provided.
  • the spatial orientation of the first bearing 32 on the treatment chamber 1 and thus the longitudinal direction of the first shaft 322 define the first axis of rotation AA, which in FIG. 3 also shown.
  • the second bearing 42 has a bearing bush 421 and a second shaft 422 rotatably disposed within the bearing bush 421.
  • a longitudinal direction of this second shaft 422 defines the second axis of rotation BB, which in FIG. 4 is also shown.
  • ball bearings 423 1 , 423 2 between the second shaft 422 and the bearing bush 421 are arranged in the illustrated example.
  • any other bearings such as needle bearings or bearings, can be provided.
  • the part receiver 41 is attached to one end of this second shaft 422.
  • a clamping device 424 is provided in the illustrated example.
  • any other positive and / or non-positive connections between the second shaft 422 and the part receiver 41 may be provided, which are adapted to a torque from the second shaft 422 on the part holder 41 (in FIG. 4 not shown).
  • a sprocket 425 is provided, which is non-positively connected to the second shaft 422 and which is driven by a chain 436.
  • the illustrated treatment device has a third shaft and a sprocket connected non-positively to this third shaft.
  • This third shaft 431 is arranged, for example, within the first bearing bush 321 and out in this bearing bush out of the treatment tank to the outside.
  • the first shaft 322 is designed as a hollow shaft, and the third shaft 431 is disposed within this hollow shaft 322 and rotatably supported relative to the first shaft 322.
  • the rotatable mounting of the third shaft 431 relative to the first shaft 322 allows independent rotational movements of the first and third shaft 322, 431 and thus independent rotational movements of the support device 31 on the other hand and the chain 436 and the second shaft (422 in FIG. 4 ) driven part receiver 41 on the other hand.
  • the third shaft 431 points in the region of an outside of the treatment chamber 1 (in FIG. 3 shown in dashed lines) arranged End a drive wheel 432, which is non-positively connected to the third shaft 431 in connection.
  • This drive wheel 432 is part of a transmission that in FIG. 3 is not shown, and via which the third shaft 431 by a motor (also not shown) is driven during operation of the treatment device.
  • the drive wheel 432 is a sprocket in the illustrated example, but may be a gear or a pulley, depending on the type of transmission.
  • the frictional connection between the drive wheel 432 and the third shaft 431 is made in the example shown by a key 433.
  • any other types of positive and / or non-positive connections such as a clamping hub.
  • the chain 436 driving the chain sprocket 434 is frictionally connected to the third shaft 431 at the end of the third shaft 431 arranged inside the treatment chamber 1.
  • This frictional connection is made in the example shown by means of a feather key 435. Instead of such feather but also any other frictional connection is suitable.
  • the sprocket 425 arranged on the second shaft 422 the chain 436 and the sprocket 434 of the third shaft 431 arranged inside the treatment chamber 1 suffice.
  • guide rollers 437 may optionally be provided as shown in FIGS Figures 2 and 3 are shown by way of example.
  • FIG. 3 housed in the exemplified treatment device in a housing 311, the in FIG. 2 is shown in the open state.
  • This housing 311 is part of the support device 31 and is frictionally attached to the first shaft 322.
  • this support device 31 is in the treatment device according to the illustrated example with reference to the FIGS. 1 and 2 formed as a hollow profile construction with two parallel and an annular geometry possessing tubes.
  • the second bearing 42 and the optional auxiliary bearing 43 are attached to this hollow profile construction.
  • the chain 436 is guided within this hollow profile construction between the housing 311 and the second bearing 42, which is particularly in the FIGS. 1 and 2 is shown, in which a 31 2 of the housing 311 and the second bearing 42 parallel to each other extending tubes is shown cut.
  • the chain 436 is guided in the drive direction in one of these two pipe sections 31 1 , 31 2 and in the output direction in the other of these two pipe sections.
  • These pipe sections each open at one end to the housing 311 and at the other end in the bearing bush 421 of the second bearing 42nd
  • the chain 436 is realized in the illustrated example as a bow chain and thus allows a torque transmission from the third shaft 431, which extends in the direction of the first axis of rotation AA, on the second shaft 422, which extends in the direction of the second axis of rotation BB.
  • This bow chain is bendable in a direction transverse to the pulling direction of the chain and in a direction along the hinge axes of the individual chain links.
  • a drive element for driving the second shaft could also be a belt, in particular a toothed belt used instead of a chain become.
  • the sprockets 434, 425 in the first and second bearings 32, 34 are in this case to be replaced by suitable, adapted to the drive element drive wheels.
  • such a drive element can likewise be guided within a hollow profile construction of the carrying device 31, it also being possible for additional guide elements, in particular rollers, to be provided within the carrying device.
  • first shaft 322 as a hollow shaft and the third shaft 431 as a shaft within this hollow shaft is to be understood merely as an example.
  • third shaft as a hollow shaft and to arrange the first shaft rotatably mounted in this hollow shaft relative to the hollow shaft.
  • an electric drive which has an electric motor 50, which is for example an asynchronous motor, and a transmission 70 arranged between the shaft 422 and the electric motor.
  • the electric motor may be arranged in a sealed housing 80, which is attached directly to the support device 31.
  • the interior of the carrying device 31, in which the lines are guided, is sealed, for example, with respect to the interior of the treatment chamber 31.
  • a shaft 52 of the motor 50 is coupled to an intermediate flange 71 of the transmission 70 and drives via the gear 70 to a transmission flange or output flange 73, to which the second shaft 422 is fixed torque-locking.
  • the engine 50 is coolable.
  • the engine is cooled via the intermediate flange 71 of the transmission 70.
  • cooling channels 72 are connected to the cooling lines 61.
  • a cooling line 61 is shown, which is either a supply line for supplying coolant or a discharge for discharging coolant. These cooling lines 61 are also guided in the support device 31 in the illustrated example.
  • the transmission may have a chain drive for driving the in FIG. 4 illustrated sprocket 425 or any other gear that is suitable for driving the shaft 422.
  • This transmission can be in particular a gear transmission.
  • the chain 436 or a comparable drive element and thus also the third shaft 431 in the first bearing 32 can be dispensed with.
  • the previously explained example power supply lines 51A, 51B are present, which are guided in the region of the first bearing 32 instead of the third shaft 431 in the treatment chamber 1 and which are guided along the support device 31 to the electric motor.
  • the cooling lines 61 are optionally provided, which are also guided in the region of the first bearing 32 in the treatment chamber 1 and which are guided within the support device 31 to the electric motor 50. It should be noted in this connection that these lines do not necessarily have to be guided inside the carrying device 31, but can also be guided along the carrying device 31.
  • FIG. 6 An example of a first bearing 32 through which power and cooling lines are led into the treatment chamber is in FIG. 6 shown. For clarity, is in FIG. 6 only a power line 51 and a cooling line 61 shown, the supply of another power line and another cooling line works accordingly.
  • FIG. 6 are the same parts as in the bearing according to FIG. 3 denoted by the same reference numerals.
  • the first shaft 322 is designed in the illustrated bearing 32 as a hollow shaft, in which the power line 51 and the cooling line 61 are guided to the support device 31.
  • the cooling line 61 is connected to a rotary feedthrough.
  • This rotary feedthrough comprises a first shaft 322 annularly encircling channel 62 which is fixedly disposed and against which the shaft 322 rotates.
  • the cooling line 61 opens through the wall of the shaft 322 into this channel.
  • this channel 62 On a side facing away from the shaft 322, this channel 62 has an inflow or outflow opening 63, via which coolant is supplied or removed.
  • the power line 51 is connected to a slip ring system having a fixedly connected to the shaft 322 first ring 52 and a fixed relative to the shaft 322 second ring 53.
  • a power supply line 54 is connected to the second ring 53.
  • the two rings 52, 52 are electrically conductive and each comprise contact surfaces which contact each other.
  • the inner first ring 52 rotates within the rigid outer second ring 53 with an electrically conductive connection between the inner power line 51 and the outer feed line 54 via the two rings 52, 53 and the sliding ones Contact surfaces of the rings 52, 53 is ensured.
  • insulation between the rings 52, 53 and the shaft 322 or other mechanical parts of the treatment chamber in FIG. 6 not shown.
  • a hydraulic drive or a pneumatic drive with a hydraulic or pneumatic motor and a transmission arranged between the engine and the shaft can also be provided.
  • the supply of such a drive is carried out in accordance with the supply of the electric drive, wherein instead of a power cable, a corresponding supply line is provided.
  • FIG. 7 shows a sectional view of an example of a bearing 22 of a rotary nozzle device, as shown in the FIGS. 1 and 2 is shown.
  • This bearing 22 hereinafter referred to as the third bearing, has a bearing bushing 221 and a flange 222 fixed to the bearing bush 221, which is attached to the treatment chamber 1 (in FIG. 7 only sections and dashed lines shown) is attached.
  • the attachment of this flange 222 to the treatment chamber 1 for example, by means of screws, but can also be done by any other frictional connection techniques, in particular welding.
  • a feed unit with a feed tube 223 for supplying one or more treatment media is rotatably arranged in the interior of the treatment chamber 1.
  • the rotatable mounting takes place in the illustrated example by means of ball bearings 224 1 , 224 2 , but can also be done by means of any other bearing, such as needle roller bearings or plain bearings.
  • Seals 227 seal the treatment chamber between the bearing sleeve 221 and the feed tube 223.
  • a plurality of mutually separate feed channels are arranged in the illustrated example: two channels 225 1 , 225 2 for a cleaning medium; and two channels 225 3 , 225 4 for supplying a drying treatment medium.
  • a distributor 226 which for each of the channels has an outlet opening 226 1 , 226 2 , and of which in FIG. 5 only two are shown, open these feed channels 225 1 -225 4 in each one of the attached to the manifold 226 and previously explained nozzle pipes 21 1 -21 4th
  • a rotary feedthrough is provided outside the treatment chamber 1, the exemplary in FIG. 8 is shown.
  • This rotary feedthrough has, for each of the two different treatment media, a channel 228, 229 annularly surrounding the feed tube 223.
  • the feed tube 222 is rotatably disposed opposite to these channels 228, 229.
  • the feed channels 225 1 -225 4 each have an inlet opening to one of these channels 228, 229 out.
  • FIG. 8 shows a cross section through the feed channels 225 1 , 225 2 , each having a feed opening to the first annular channel 228.
  • the second annular channel 229 is arranged offset in the longitudinal direction of the tube assembly 223 to the first channel 228 and opens into the other two feed channels 225 3 , 225 4 , the reference to FIG. 2 offset in the radial direction of the feed tube 223 to the other two channels 225 1 , 225 2 are arranged and the in FIG. 6 are not shown.
  • a media supply to the two annular channels 228, 229 takes place in each case by a feed line 230, 231.
  • the rotatable mounting of the nozzle device is optional.
  • the nozzle device simplifies accordingly.
  • the carrying device 31 has two bearings, the first bearing 32 already explained and an auxiliary bearing 34, which is arranged as an extension of the first bearing 32 relative to the axis of rotation AA.
  • This auxiliary bearing 34 is referred to on the FIGS. 4 and 5 arranged in the example shown at the distributor 226 for the treatment media.
  • the bearing 34 is realized in the illustrated example as a sliding bearing with a bearing bush 342 and a shaft 343 rotatably mounted in the bearing bush 342. In this case, the carrying device 31 is fastened to the shaft 343 by means of a clamping device 341.
  • auxiliary bearing 24 is present in the illustrated example except the third bearing 22.
  • This auxiliary bearing is also realized in the illustrated example as a plain bearing and has a bearing bush (reference numeral 241 in FIG. 3 ), which is slidably mounted on the bearing bush 321 of the first bearing 32.
  • a third axis of rotation CC of the nozzle device 2 which is defined by the third bearing 22 coincides with the first axis of rotation AA of the support device 31.
  • the third bearing 22 on the treatment chamber 1 such that the third axis of rotation CC does not coincide with the first axis of rotation AA and not parallel to this axis of rotation runs, but that Direction of the third axis of rotation CC and a direction of the first axis of rotation AA include an angle other than 0 °. This angle is for example between 30 ° and 90 °.
  • the third axis of rotation CC with the second axis of rotation BB also includes an angle which is not equal to 0 °.
  • a first angle between the first and the second axis of rotation AA, BB is between 75 ° and 90 °
  • a second angle between the first and the third axis of rotation AA, CC between 75 ° and 90 ° lies and that a third angle between the second and the third axis of rotation BB, CC is between 75 ° and 90 °.
  • the illustrated treatment device is suitable for carrying out a treatment method, be it a cleaning method and / or a drying method, in which the part holder 41 about the second axis of rotation BB and the support device 31 simultaneously and independently of the movement about the second axis of rotation BB about the first axis of rotation AA is rotating.
  • the rotational speeds of the rotations about these two axes A-A, B-B may be the same, but may also differ from each other.
  • the part holder 41 - as explained - can be positioned anywhere within the treatment chamber 1. This allows a targeted treatment of individual "critical" points of a workpiece with a treatment medium, which is discharged from one of the nozzles 23.
  • the part receptacle 41 is in this case positioned so that the critical point of the workpiece to be treated is aligned with one of the nozzles 23. Subsequently, a treatment medium is discharged from the nozzle to the point to be treated of the workpiece. This type of treatment can be performed sequentially for multiple critical locations of the workpiece.
  • the treatment medium is, for example, a cleaning liquid to purify the workpiece effectively at one place, or a drying medium to effectively dry the workpiece at one place.
  • Critical locations of a workpiece to be treated for example, holes. These holes are both difficult to clean and difficult to dry.
  • the nozzle of the treatment apparatus used for the treatment of critical locations may include a nozzle 23 of a rotatable nozzle tube arrangement 21, for example, based on the FIGS. 1 and 2 has been explained, said nozzle tube assembly remains in the targeted cleaning critical locations of the workpiece, for example, at a fixed position.
  • the nozzle 23 may also be a stationary inside of the container wall or in the container wall arranged nozzle, as for example in FIG. 2 is shown.
  • a difficulty in the specific treatment of individual locations of a workpiece using a nozzle 23 may be to position the parts receptacle 41 by rotating the support device 31 about the first axis of rotation AA and the part receptacle 41 about the second axis of rotation BB, that a critical point of Workpiece surface is aligned with the nozzle 23.
  • the position of the part receptacle 41 itself can be detected by rotary encoders which detect a rotation of the support device 31 about the first axis of rotation A-A and the part receptacle 41 about the second axis of rotation B-B. These rotary encoders can be arranged in a basically known manner on the first shaft 322 and the second shaft 422.
  • the rotary encoder of the first shaft 322 can be arranged outside the treatment chamber 1.
  • the shaft 422 for the second shaft may be disposed within the treatment chamber, wherein a signal of this second encoder, for example via a slip ring system - according to the slip ring system as explained for the power supply - or without contact by means of an inductive transmission system out of the treatment chamber 1 out ,
  • the second rotary encoder may be integrated in the electric motor. Electric motors with integrated rotary encoders are known, so that it is possible to dispense with further explanations.
  • the position of the part receptacle 41 within the treatment chamber 1 is determined by two coordinates: the angle of rotation of the support device 31, that is, the angle of rotation about the first Rotation axis AA; and the rotation angle of the part holder 41 around the second well 422.
  • the part holder 41 is positionable in this treatment device by rotating about the two axes at arbitrary positions.
  • a first method is provided to identify based on a computer model of the workpiece to be cleaned and the treatment chamber 1 with the part holder 41 disposed therein angular positions of the part holder 41, in which predetermined critical points are aligned with a cleaning nozzle of the treatment chamber.
  • the coordinates determined in this way are used to position the part receiver 41 in a targeted manner at the critical points so as to enable a treatment of the critical points of the workpiece.
  • the part holder 41 determines the positioning of the part holder 41 for the treatment of critical points of the workpiece directly on the basis of the treatment device.
  • the part holder 41 with the workpiece to be treated is manually controlled by an operator so positioned that a critical point of the workpiece is directed to a treatment nozzle 23.
  • the coordinates obtained by this position are stored and this process can be performed for several critical points of the workpiece.
  • the previously stored coordinates of critical locations are used to position the part receptacle 41 specifically for the treatment of critical points.
  • This targeted cleaning can be done in addition to a "total cleaning" in which the workpiece surface is evenly cleaned by rotating the part holder around both axes and dispensing a cleaning medium from the nozzles 23.
  • the treatment chamber 1 may include a viewing window that allows an operator to track the movement of the part receiver 41 and the workpiece within the treatment chamber 1 during the "learning process" for positioning the workpiece. Difficult in such a manual positioning of the part holder 41 may be to recognize exactly when a previously identified as critically identified body is aligned with a treatment nozzle 23.
  • a light beam source such as a light emitting diode or a laser diode
  • This light source is switched on during the learning process, wherein in the treatment chamber during the learning process ideally no cleaning fluid is present in order to have good viewing conditions during the learning process.
  • FIG. 2 schematically shows an example of such a light source 90, which is arranged in the region of the fixed nozzle 23.
  • This light source is arranged in the illustrated example on the inner wall of the treatment chamber immediately adjacent to the nozzle 23.
  • a power cable that is in FIG. 2 is shown only schematically, the power supply of the light source is guided through the wall of the chamber 1 in the example.
  • the light source 90 and the nozzle 23 are aligned such that, during operation, a beam of a treatment medium dispensed through the nozzle 23 and a light beam emitted by the light source 90 are parallel or intersect at a point in the component receiving area to track the course of the light beam treatment beam to simulate as well as possible.
  • the light source instead of the nozzle directly at the nozzle outlet of the nozzle 23 so as to achieve an identical as possible course of the light beam and the output through the nozzle 23 treatment beam.
  • These light sources may be arranged so that their light rays are parallel, or so that their light rays intersect in the parts receiving area.
  • adjustment of the part receiver 41 to the nozzle is easily possible because when the light sources are turned on, the simulated impact point of the treatment medium is at a point on the surface of the workpiece between the light points producing the light sources on the surface of the workpiece.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Threshing Machine Elements (AREA)
  • Spray Control Apparatus (AREA)
  • Drying Of Solid Materials (AREA)
EP09162062A 2008-06-05 2009-06-05 Dispositif de traitement pour pièces Active EP2130614B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09162062A EP2130614B1 (fr) 2008-06-05 2009-06-05 Dispositif de traitement pour pièces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08010284A EP2130615B1 (fr) 2008-06-05 2008-06-05 Dispositif de traitement pour pièces
EP09162062A EP2130614B1 (fr) 2008-06-05 2009-06-05 Dispositif de traitement pour pièces

Publications (2)

Publication Number Publication Date
EP2130614A1 true EP2130614A1 (fr) 2009-12-09
EP2130614B1 EP2130614B1 (fr) 2011-03-30

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EP08010284A Active EP2130615B1 (fr) 2008-06-05 2008-06-05 Dispositif de traitement pour pièces
EP09162062A Active EP2130614B1 (fr) 2008-06-05 2009-06-05 Dispositif de traitement pour pièces

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AT (2) ATE507908T1 (fr)
DE (2) DE502008003427D1 (fr)

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DE102013114043B4 (de) * 2013-12-13 2024-05-16 Krones Ag Trockner für Getränkebehälter, insbesondere Dosen
CN104907300B (zh) * 2015-06-01 2017-04-26 常州兆阳能源科技有限公司 太阳能电池板的高效清洗系统
CN107449239A (zh) * 2017-07-10 2017-12-08 王亚伟 一种磷酸铁生产加工用烘干装置
CN113074529B (zh) * 2021-02-24 2022-05-31 深圳云鑫技术有限公司 一种光学镀膜材料导料烘干装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070103A (en) * 1958-07-28 1962-12-25 Continental Aviat & Eng Corp Bearing treating apparatus
EP0507294B1 (fr) 1991-04-05 1994-08-17 MAFAC ERNST SCHWARZ GmbH & Co. KG MASCHINENFABRIK Arrangement pour nettoyage et dégraissage des pièces d'oeuvre
WO1998045059A1 (fr) 1997-04-09 1998-10-15 Mafac Ernst Schwarz Gmbh & Co. Kg Procede et dispositif pour nettoyer ou secher des pieces
EP1145774A2 (fr) * 2000-04-13 2001-10-17 Fastems Oy Station de lavage et de rincage de pièces de travail transférées sur une palette
US20040216773A1 (en) * 2003-05-01 2004-11-04 Fine Machine Kataoka Co., Ltd. Work washing apparatus
US20060037635A1 (en) * 2004-08-18 2006-02-23 Rhodes Laurence M Cleaning machine
EP1640077A2 (fr) 2004-09-27 2006-03-29 MAFAC ERNST SCHWARZ GmbH & Co. KG MASCHINENFABRIK Dispositif et méthode pour le traitement par nettoyage et/ou sèchage d'articles
DE202005013542U1 (de) 2005-08-27 2006-04-06 Rsb Clean System Gmbh Kardanische Rhönrad-Waschanlage
DE102005003093A1 (de) 2005-01-22 2006-08-10 Dürr Ecoclean GmbH Reinigungsanlage
FR2905818A1 (fr) * 2006-09-11 2008-03-14 Hymatom Sa Procede pour le nettoyage de la vitre d'un caisson contenant une camera de videosurveillance.

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070103A (en) * 1958-07-28 1962-12-25 Continental Aviat & Eng Corp Bearing treating apparatus
EP0507294B1 (fr) 1991-04-05 1994-08-17 MAFAC ERNST SCHWARZ GmbH & Co. KG MASCHINENFABRIK Arrangement pour nettoyage et dégraissage des pièces d'oeuvre
WO1998045059A1 (fr) 1997-04-09 1998-10-15 Mafac Ernst Schwarz Gmbh & Co. Kg Procede et dispositif pour nettoyer ou secher des pieces
EP1145774A2 (fr) * 2000-04-13 2001-10-17 Fastems Oy Station de lavage et de rincage de pièces de travail transférées sur une palette
US20040216773A1 (en) * 2003-05-01 2004-11-04 Fine Machine Kataoka Co., Ltd. Work washing apparatus
US20060037635A1 (en) * 2004-08-18 2006-02-23 Rhodes Laurence M Cleaning machine
EP1640077A2 (fr) 2004-09-27 2006-03-29 MAFAC ERNST SCHWARZ GmbH & Co. KG MASCHINENFABRIK Dispositif et méthode pour le traitement par nettoyage et/ou sèchage d'articles
DE102005003093A1 (de) 2005-01-22 2006-08-10 Dürr Ecoclean GmbH Reinigungsanlage
DE202005013542U1 (de) 2005-08-27 2006-04-06 Rsb Clean System Gmbh Kardanische Rhönrad-Waschanlage
FR2905818A1 (fr) * 2006-09-11 2008-03-14 Hymatom Sa Procede pour le nettoyage de la vitre d'un caisson contenant une camera de videosurveillance.

Also Published As

Publication number Publication date
ATE507908T1 (de) 2011-05-15
DE502009000496D1 (de) 2011-05-12
EP2130615B1 (fr) 2011-05-04
ATE503593T1 (de) 2011-04-15
DE502008003427D1 (de) 2011-06-16
EP2130615A1 (fr) 2009-12-09
EP2130614B1 (fr) 2011-03-30

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