EP3461561B1 - Dispositif de décalaminage - Google Patents

Dispositif de décalaminage Download PDF

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Publication number
EP3461561B1
EP3461561B1 EP18195481.9A EP18195481A EP3461561B1 EP 3461561 B1 EP3461561 B1 EP 3461561B1 EP 18195481 A EP18195481 A EP 18195481A EP 3461561 B1 EP3461561 B1 EP 3461561B1
Authority
EP
European Patent Office
Prior art keywords
shaft
medium
coupling
housing
partial
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.)
Active
Application number
EP18195481.9A
Other languages
German (de)
English (en)
Other versions
EP3461561A1 (fr
Inventor
Udo Hertel
Dirk Schulze Schencking
Holger Hoffmann
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.)
Hauhinco Maschinenfabrik G Hausherr Jochums GmbH and Co KG
Original Assignee
Hauhinco Maschinenfabrik G Hausherr Jochums GmbH and Co KG
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Filing date
Publication date
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Application filed by Hauhinco Maschinenfabrik G Hausherr Jochums GmbH and Co KG filed Critical Hauhinco Maschinenfabrik G Hausherr Jochums GmbH and Co KG
Publication of EP3461561A1 publication Critical patent/EP3461561A1/fr
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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
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0421—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with rotating spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0463—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length
    • B05B13/0484—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length with spray heads having a circular motion, e.g. being attached to a rotating supporting element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/025—Rotational joints
    • B05B3/027—Rotational joints with radial fluid passages
    • 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
    • B08B3/022—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • B08B7/024—Rotary scalers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/45—Scale remover or preventor
    • Y10T29/4528—Scale remover or preventor with rotary head
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/45—Scale remover or preventor
    • Y10T29/4533—Fluid impingement
    • Y10T29/4544—Liquid jet

Definitions

  • the invention relates to a descaling device with a device housing, a shaft, a shaft bearing, a nozzle head and a medium coupling.
  • the shaft bearing is arranged in the device housing and the shaft is supported by the shaft bearing for executing a rotary movement in the device housing.
  • the shaft and the nozzle head are non-destructively detachable.
  • the medium coupling has a medium connection for feeding in a medium and the shaft has a shaft cavity for conducting the medium fed in at the medium connection to the nozzle head.
  • a scale washer also has, in particular, a high-pressure generating device.
  • a high-pressure generating device puts a medium under a pressure of approx. 200 bar to 420 bar. This medium is, for example, water.
  • a scale washer is usually part of a hot forging device that reshapes heated workpieces. The heating is used for better formability.
  • Such hot forming devices are, for. B. Hot rolling mills and forging presses. During hot forming, the temperature of a warm workpiece is often above the recrystallization temperature of the workpiece. The heat of the workpiece causes scale to form on its surface.
  • Scale is an impurity made up of iron oxide. Scale that has arisen immediately after a workpiece has been heated is particularly stubborn compared to scale that has arisen afterwards and is referred to as primary scale. Scale that is not removed from a workpiece is detrimental to that workpiece.
  • a medium pressurized by the high-pressure generating device is fed into a descaling device at the medium connection of the medium coupling.
  • the medium coupling guides the fed medium from the medium connection into the shaft cavity of the shaft.
  • the shaft cavity then directs the medium to the nozzle head.
  • the nozzle head converts the pressure into kinetic energy and ejects the medium in the direction of the workpiece.
  • the kinetic energy of the medium causes the scale to be removed from the surface of the workpiece when the medium hits the surface of the workpiece.
  • the Removing scale from a surface is also known as descaling.
  • the effectiveness of the descaling depends on the speed of the medium and thus on the pressure of the medium and the distance between the nozzle head and the workpiece. Therefore, on the one hand, the medium is placed under the highest possible pressure and, on the other hand, the nozzle head is arranged as close as possible to the workpiece.
  • the nozzle head and the shaft perform the rotational movement specified by the shaft bearings.
  • the shaft is driven by a motor which is arranged separately from the descaling device via additional drive components.
  • a descaling device of the type described and also a descaler are for example from the patent DE 43 28 303 C2 known. Further exemplary nozzle heads are off DE 92 16 438 U1 , US 3850 373 A or DE 10 2015 206393 A1 known.
  • the additional drive components between the motor and descaling device require additional drive components, such as the motor and the descaling device.
  • the object of the present invention is therefore to provide a descaling device of the type described which in any case reduces at least one of the disadvantages described.
  • the descaling device of the type described has a motor which is arranged in the device housing between the nozzle head and the medium coupling to generate the rotational movement of the shaft on the shaft.
  • This arrangement of the motor has the effect that the further drive components for transmitting the rotary movement from a separately arranged motor to the shaft of a descaling device are omitted. This also eliminates the maintenance of these components, increases the reliability, is Adaptability is facilitated and the maintenance of the descaling device is simplified, in particular through better accessibility due to the omission of further drive components.
  • the descaling device is also more compact than descaling devices known from the prior art and enables a modular construction of a scale washer.
  • the descaling device is arranged in close proximity to a warm workpiece in a hot forming device. It is therefore also exposed to the environmental influences of the hot forming device. These environmental influences include, in particular, high temperatures, moisture and particles such as removed, i.e. dissolved, scale. Therefore, in one embodiment of the descaling device according to the invention, it is provided that the device housing hermetically encloses the motor. The hermetic enclosure of the motor ensures that the motor itself is protected from environmental influences.
  • the device housing is designed in such a way that no particles and preferably also not the medium for descaling can penetrate into it.
  • the motor is designed as an electric motor.
  • An electric motor basically has a motor shaft, a rotor arranged on the motor shaft, a motor housing, a stator arranged in the motor housing and a motor shaft bearing for mounting the motor shaft in the motor housing.
  • the device housing is also designed as a motor housing
  • the shaft is also designed as a motor shaft
  • the shaft bearing is also designed as a motor shaft bearing.
  • the stator is arranged in the device housing and the rotor on the shaft.
  • advantageous speeds of the nozzle head are in the range between 500 rpm and 600 rpm. If alternating current with a frequency between 50 Hz and 60 Hz is available to supply the electric motor with electrical energy, then the electric motor is particularly suitable an asynchronous motor with six pole pairs.
  • the shaft of an asynchronous motor with six pole pairs has a speed of 500 rpm when it is supplied with energy by an alternating current of 50 Hz and a speed of 600 rpm when it is supplied with an alternating current of 60 Hz.
  • the shaft does not consist of a single workpiece, but rather has a first partial shaft and a second partial shaft, the first partial shaft and the second partial shaft being non-destructively detachable.
  • the shaft preferably consists only of the first and second partial shaft.
  • a first component, such as B. the first partial wave, and a second component such. B. the second partial shaft are then non-destructively releasably connected to one another if, after the components have been released from one another, they are unchanged in comparison to the connected state. This also implies, in particular, that the components can easily be reconnected.
  • a non-destructive detachable connection between the first and second partial shaft is z. B.
  • first and the second partial shaft can be connected to one another in a non-destructive and releasable manner in a simple manner by being screwed to one another and in a simple manner to be released from one another in a non-destructive manner by releasing the screwing.
  • a sealing device is preferably also provided in the connection for sealing between the first and the second partial shaft. This sealing device is, for example, at least one annular seal.
  • the first partial shaft is connected to the nozzle head
  • the shaft bearing is arranged exclusively on the first partial shaft
  • the medium coupling is arranged on the second partial shaft.
  • the medium coupling is arranged on the shaft, namely on the second partial shaft, as a result of which the shaft and the medium coupling have a contact surface. Due to the rotary movement of the shaft in the medium coupling, the shaft and the medium coupling wear out on this contact surface. In the present embodiment, when the wear of the shaft on the contact surface has reached a critical level, it is no longer necessary to replace the shaft, but rather only the second partial shaft, without the shaft bearing having to be included.
  • the first partial shaft and the second partial shaft each have a blind hole with an open end and a closed end.
  • the blind hole of the first partial shaft and the blind hole of the second partial shaft together form the shaft cavity.
  • the closed end of the first partial shaft is arranged on the nozzle head and the closed end of the second shaft is arranged on the medium coupling.
  • the ends of the shaft are thus closed by the closed ends of the blind holes.
  • at least one end of the shaft is often closed with a screw.
  • Closing one end of a shaft with a screw is disadvantageous, however, since the medium fed in has strong pressure fluctuations during operation of a descaling device, which exert a pulsating force in the longitudinal direction on the screw, which loosens the screw and thereby loosens the medium from the end of the shaft can emerge.
  • the medium coupling has a coupling housing, a cover and a sealing device.
  • the coupling housing has a coupling cavity and the cover, which is detachably connected to the coupling housing in a non-destructive manner, closes the coupling cavity.
  • the non-destructive detachable connection between cover and clutch housing is z. B. implemented by a screw connection with at least one screw, the thread for the at least one screw being formed in the coupling housing. To dismantle the cover, the at least one screw is unscrewed from the thread and for assembly the at least one screw is screwed into it.
  • the sealing device is inserted in the coupling cavity for sealing between the shaft and the medium connection.
  • the sealing device accordingly ensures that a medium fed in at the medium connection is directed into the shaft cavity and z. B. does not leak between the shaft and the clutch housing.
  • the medium coupling and the shaft are designed in such a way that the sealing device can be removed and inserted when the cover is removed. This means that the sealing device, on the one hand, can be pulled out of the shaft cavity and pushed into the shaft space and, on the other hand, can be pulled off the shaft and pushed onto the shaft.
  • the design of the medium coupling relates in particular to the coupling housing and the sealing device.
  • the design of the medium coupling and the shaft is, for example, such that both the coupling cavity as well as the shaft each have the shape of a vertical circular cylinder and the sealing device is limited by the outer shape of a hollow cylinder which is adapted to the coupling cavity and to the shaft in the coupling cavity.
  • the sealing device preferably consists of several sealing elements. This configuration thus enables the sealing device to be removed and inserted easily.
  • the previously described contact surface between the shaft and the medium coupling lies in this embodiment between the shaft and the sealing device that belongs to the medium coupling.
  • the shaft and the sealing device wear out on the contact surface.
  • the coupling housing is separate from the device housing and that the coupling housing and the device housing are detachably connected to one another in a non-destructive manner.
  • the non-destructive detachable connection between the coupling housing and the device housing is z. B. implemented by a screw connection with at least one screw, wherein the thread for the at least one screw is formed in the device housing.
  • the at least one screw is unscrewed and the at least one screw is screwed in for assembly.
  • the shaft has a first partial shaft and a second partial shaft and the medium coupling is arranged on the second partial shaft
  • the coupling housing is designed and arranged on the device housing so that the second Partial shaft can be dismantled from the first partial shaft and mounted on the first partial shaft.
  • the second partial shaft can then be removed from the first partial shaft when the connection between the second partial shaft and the first partial shaft is detachable and also connectable when the clutch housing is dismantled.
  • the checking of the contact surface on the shaft is advantageously possible and, on the other hand, when the wear of the shaft on the contact surface has reached a critical level, the shaft can also be exchanged in an advantageous manner.
  • cooling channels are formed in the device housing and that the device housing is further designed in such a way that the heat from the motor and / or radiant heat from a workpiece, in particular in front of the nozzle head, is transferred to a medium present in the cooling channels will.
  • cooling channels are formed in the part of the device housing which comes closest to the warm workpiece.
  • the motor itself is designed to transfer the heat of the motor generated during operation of the motor to a medium present in the shaft cavity.
  • the training of the engine is z. B. given when a thermal conductivity of the engine is sufficiently high so that the heat is transported to a sufficient extent to the medium. This is often the case with an electric motor.
  • the nozzle head of the descaling device is arranged as close as possible to the workpiece and ejects a medium for descaling onto the surface of the workpiece which is covered with scale.
  • the scale is blasted off the surface of the workpiece and also hits the nozzle head, which is worn out by the scale that hits it. Therefore, in a further embodiment it is provided that the nozzle head has a nozzle head carrier and a nozzle carrier. At least one nozzle for ejecting a medium is arranged in the nozzle carrier and at least one channel for guiding the medium from the shaft cavity to the at least one nozzle is formed in the nozzle head carrier.
  • the nozzle carrier and the nozzle head carrier are non-destructively releasably connected to one another and the nozzle head carrier and the shaft connected to each other. Accordingly, the nozzle carrier is arranged in front of the nozzle head carrier with respect to the workpiece and the nozzle carrier experiences wear and tear from the scale.
  • the non-destructive detachable connection between the nozzle head and the nozzle head carrier is z. B. implemented by a screw connection with at least one screw, the thread for the at least one screw being formed in the nozzle head carrier. To dismantle the nozzle head, the at least one screw is unscrewed and the at least one screw is screwed in for assembly. In the present embodiment, it is no longer necessary to replace the entire nozzle head when a critical level of wear has been reached; instead, it is sufficient to replace the nozzle carrier.
  • Fig. 1 shows an embodiment of a descaling device 1 in a first perspective illustration.
  • Fig. 2 shows the embodiment in a second perspective illustration and
  • Fig. 3 shows the embodiment in a longitudinal section.
  • the descaling device 1 has a device housing 2, a shaft 3, a shaft bearing 4, a nozzle head 5 and a medium coupling 6.
  • the device housing 2 comprises a housing center segment 7, a first housing end segment 8 and a second housing end segment 9.
  • the housing center segment 7 is hollow cylindrical and the first housing end segment 8 and the second housing end segment 9 are plate-shaped.
  • the middle housing segment 7 is connected on the one hand to the first housing end segment 8 and on the other hand to the second housing end segment 9 by four each Screw connections 10 connected.
  • Each screw connection 10 comprises one screw and one in the thread. The screw connections 10 can thus be detached and also reconnected without being destroyed.
  • the total of eight threads are formed in the housing center segment 7.
  • the housing center segment 7, the first housing end segment 8 and the second housing end segment 9 together form a housing interior 11.
  • the shaft bearing 4 is arranged in the device housing 2 and the shaft 3 is supported by the shaft bearing 4 in order to execute a rotary movement 12 in the device housing 2.
  • the shaft bearing 4 comprises a first bearing 13 which is arranged in the first housing end segment 8 and a second bearing 14 which is arranged in the second housing end segment 9.
  • the shaft 3 consists of a first partial shaft 15 and a second partial shaft 16.
  • the first partial shaft 15 and the second partial shaft 16 are detachably connected to one another in a non-destructive manner.
  • the non-destructive detachable and also reconnectable connection between the first partial shaft 15 and the second partial shaft 16 is provided by a first partial shaft thread 17 in the first partial shaft 15 along a longitudinal axis of the first partial shaft 15 and a second partial shaft thread 18, complementary to the first partial shaft thread 17, in the second partial shaft 16 implemented along a longitudinal axis of the second partial shaft 16.
  • a partial shaft seal 19 is arranged between the first partial shaft 15 and the second partial shaft 16.
  • the partial shaft seal 19 comprises two annular seals.
  • the shaft 3 is non-destructively detachable connected to the nozzle head 5 by the first partial shaft 15. Furthermore, the shaft bearing 4 is arranged exclusively on the first partial shaft 15 and the medium coupling 6 is arranged exclusively on the second partial shaft 16.
  • the medium coupling 6 has a medium connection 20 for feeding in a medium 21.
  • the shaft 3 has a shaft cavity 22 for conducting the medium 21 fed in at the medium connection 20 to the nozzle head 5.
  • the first partial shaft 15 and the second partial shaft 16 each have a blind hole 23 with an open end and a closed end.
  • the blind hole 23 of the first partial shaft 15 and the blind hole 23 of the second partial shaft 16 together form the shaft cavity 22.
  • the nozzle head 5 has a nozzle head carrier 24 and a nozzle carrier 25.
  • the nozzle carrier 25 there are eight nozzles 26 for ejecting the medium 21 arranged.
  • the jet pattern of the ejected medium 21 is fan-shaped.
  • Eight channels 27 for guiding the medium 21 from the shaft cavity 22 to the eight nozzles 26 are formed in the nozzle head carrier 24.
  • the nozzle carrier 25 and the nozzle head carrier 24 are non-destructively detachable connected to one another.
  • the connection is made by eight screw connections 10, the associated threads being formed in the nozzle head carrier 24.
  • the nozzle head carrier 24 and the shaft 3 in the form of the first partial shaft 15 are also connected to one another in a non-destructive detachable manner.
  • the connection is made by a screw connection 10, the associated thread being formed in the first partial shaft 15.
  • the medium coupling 6 has a coupling housing 28, a cover 29 and a sealing device 30.
  • the coupling housing 28 also has a coupling cavity 31 which is closed by the cover 29, which is detachably connected to the coupling housing 28 in a non-destructive manner.
  • the connection of the cover 29 to the coupling housing 28 takes place by means of four screw connections, the associated threads being formed in the coupling housing 28.
  • the sealing device 30 is introduced into the coupling cavity 31 for sealing between the shaft 3 in the form of the second partial shaft 16 and the medium connection 20.
  • the medium coupling 6 and the shaft 3 in the form of the second partial shaft 16 are designed in such a way that the sealing device 30 can be removed and inserted when the cover 29 is removed.
  • the design of the medium coupling 6 and the second partial shaft 16 is such that both the coupling cavity 31 and the second partial shaft 16 each have the shape of a vertical circular cylinder and the sealing device 30 is delimited by the outer shape of a hollow cylinder which is attached to the coupling cavity 31 and is adapted to the second partial shaft 16 in the coupling cavity 31.
  • the sealing device 30 consists of several sealing elements.
  • the coupling housing 28 is separate from the device housing 2, the coupling housing 28 and the device housing 2 being detachably connected to one another in a non-destructive manner.
  • the connection is made by four screw connections, the associated threads being formed in the second housing end segment 9.
  • the clutch housing 28 is designed and arranged on the device housing 2 in such a way that, when the clutch housing 28 is dismantled, the second partial shaft 16 can be dismantled from the first partial shaft 15 and mounted on the first partial shaft 15.
  • the descaling device 1 has a motor 32 designed as an electric motor.
  • the motor 32 When the descaling device 1 is in operation, the motor 32 generates the rotary movement of the shaft 3 and for this purpose is arranged on the shaft 3 in the housing interior 11 of the device housing 2 between the nozzle head 5 and the medium coupling 6. In particular, the motor 32 is also arranged between the first bearing 13 and the second bearing 14.
  • the device housing 2 hermetically encloses the motor 32.
  • the motor 32 has a rotor 33 and a stator 34.
  • the rotor 33 is arranged on the shaft 3 in the form of the first partial shaft 15 and the stator 34 is arranged in the housing interior 11 on the device housing 2.
  • the motor 32 designed as an electric motor is an asynchronous motor with six pole pairs.
  • Cooling channels 35 are formed in the device housing 2 and the device housing 2 is also designed to transfer heat generated by the motor 32 and radiant heat from a warm workpiece arranged in front of the nozzle head 5 to a medium present in the cooling channels 35. Therefore, in particular, cooling channels 35 are also formed in the part of the device housing 2, namely the first housing end segment 8, which is closest to the warm workpiece.
  • the medium present in the cooling channels is, for example, medium 21, which is used for descaling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Nozzles (AREA)
  • Cleaning In General (AREA)
  • Forging (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Rolling Contact Bearings (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Sawing (AREA)

Claims (10)

  1. Dispositif de décalaminage (1) comportant un boîtier de dispositif (2), un arbre (3), un palier d'arbre (4), une tête de buse (5) et un raccord de milieu (6),
    le palier d'arbre (4) étant disposé dans le boîtier de dispositif (2) et l'arbre (3) étant monté dans le boîtier de dispositif (2) au moyen du papier d'arbre (4) pour effectuer un mouvement rotatif (12),
    l'arbre (3) et la tête de buse (5) étant reliés l'un à l'autre de manière amovible de façon non destructive,
    le raccord de milieu (6) comprenant une connexion de milieu (20) pour l'introduction d'un milieu (21),
    l'arbre (3) comprenant une cavité d'arbre (22) pour le guidage du milieu (21) introduit au niveau de la connexion de milieu (20) jusqu'à la tête de buse (5),
    le dispositif de décalaminage (1) comprenant un moteur (32) et le moteur (32) étant disposé sur l'arbre (3) dans le boîtier de dispositif (2) entre la tête de buse (5) et le raccord de milieu (6) pour la génération du mouvement rotatif (12) de l'arbre (3),
    l'arbre (3) comprenant une première partie d'arbre (15) et une deuxième partie d'arbre (16), la première partie d'arbre (15) et la deuxième partie d'arbre (16) étant reliées l'une à l'autre de manière amovible de façon non destructive, la première partie d'arbre (15) étant reliée à la tête de buse (5), le palier d'arbre (4) étant disposé exclusivement sur la première partie d'arbre (15) et le raccord de milieu (6) étant disposé sur la deuxième partie d'arbre (16),
    caractérisé en ce que
    la première partie d'arbre (15) et la deuxième partie d'arbre (16) comprennent respectivement un trou borgne (23) doté d'une extrémité ouverte et d'une extrémité fermée et en ce que le trou borgne (23) de la première partie d'arbre (15) et le trou borgne (23) de la deuxième partie d'arbre (16) forment conjointement la cavité d'arbre (22).
  2. Dispositif de décalaminage (1) selon la revendication 1, caractérisé en ce que le boîtier de dispositif (2) entoure hermétiquement le moteur (32).
  3. Dispositif de décalaminage (1) selon la revendication 1 ou 2, caractérisé en ce que le moteur (32) est réalisé sous forme de moteur électrique.
  4. Dispositif de décalaminage (1) selon l'une des revendications 1 à 3, caractérisé en ce que le raccord de milieu (6) comprend un boîtier de raccord (28), un couvercle (29) et un dispositif d'étanchéité (30), en ce que le boîtier de raccord (28) comprend une cavité de raccord (31), en ce que le couvercle (29) est relié au boîtier de raccord (28) de manière amovible de façon non destructive et ferme la cavité de raccord (31), en ce que le dispositif d'étanchéité (30) est inséré dans la cavité de raccord (31) pour réaliser l'étanchéité entre l'arbre (3) et la connexion de milieu (20) et en ce que le raccord de milieu (6) et l'arbre (3) sont réalisés de telle sorte qu'en cas de couvercle (29) démonté, le dispositif d'étanchéité (30) peut être retiré et peut être inséré.
  5. Dispositif de décalaminage (1) selon la revendication 4, caractérisé en ce que le boîtier de raccord (28) est séparé du boîtier de dispositif (2) et en ce que le boîtier de raccord (28) et le boîtier de dispositif (2) sont reliés l'un à l'autre de manière amovible de façon non destructive.
  6. Dispositif de décalaminage (1) selon la revendication 5 et l'une des revendications 4 ou 5, caractérisé en ce que le boîtier de raccord (28) est réalisé et est disposé sur le boîtier de dispositif (2) de telle sorte qu'en cas de boîtier de raccord (28) démonté, la deuxième partie d'arbre (16) peut être démontée de la première partie d'arbre (15) et peut être montée sur la première partie d'arbre (15).
  7. Dispositif de décalaminage (1) selon l'une des revendications 1 à 6, caractérisé en ce que des canaux de refroidissement (35) sont réalisés dans le boîtier de dispositif (2) et en ce que le boîtier de dispositif (2) est réalisé pour transférer à un milieu présent dans les canaux de refroidissement (35) de la chaleur du moteur (32) produite lors du fonctionnement et/ou de la chaleur rayonnante provenant d'une pièce.
  8. Dispositif de décalaminage (1) selon l'une des revendications 1 à 7, caractérisé en ce que le moteur (32) est réalisé pour transférer à un milieu présent dans la cavité d'arbre (22) de la chaleur du moteur (32) produite lors du fonctionnement.
  9. Dispositif de décalaminage (1) selon l'une des revendications 1 à 8, caractérisé en ce que la tête de buse (5) comprend un support de tête de buse (24) et un support de buse (25), en ce qu'au moins une buse (26) servant à éjecter un milieu (21) est disposée dans le support de buse (25), en ce qu'au moins un canal (27) servant à guider le milieu (21) de la cavité d'arbre (22) jusqu'à l'au moins une buse (26) est réalisé dans le support de tête de buse (24), en ce que le support de buse (25) et le support de tête de buse (24) sont reliés l'un à l'autre de manière amovible de façon non destructive et en ce que le support de tête de buse (24) et l'arbre (3) sont reliés l'un à l'autre.
  10. Dispositif de décalaminage selon l'une des revendications 1 à 9, caractérisé en ce que l'arbre (3) comprend des trous radiaux et en ce que le raccord de milieu (6) et l'arbre (3) sont réalisés pour introduire le milieu (21) dans la cavité d'arbre (22) dans une direction radiale par rapport à l'arbre (3).
EP18195481.9A 2017-09-29 2018-09-19 Dispositif de décalaminage Active EP3461561B1 (fr)

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DE102017122802.0A DE102017122802B3 (de) 2017-09-29 2017-09-29 Entzunderungsvorrichtung

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EP3461561A1 EP3461561A1 (fr) 2019-04-03
EP3461561B1 true EP3461561B1 (fr) 2021-12-29

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US (2) US10894279B2 (fr)
EP (1) EP3461561B1 (fr)
JP (1) JP7260274B2 (fr)
CN (1) CN109570247B (fr)
DE (1) DE102017122802B3 (fr)
EA (1) EA038496B1 (fr)
PL (1) PL3461561T3 (fr)
TW (1) TWI766107B (fr)

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CN110227617B (zh) * 2019-06-08 2024-02-27 天津海莱姆智能装备有限公司 雾化喷涂装置用喷头

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US4690325A (en) 1986-09-17 1987-09-01 Butterworth Jetting Systems, Inc. High pressure fluid delivery system
DE9216438U1 (de) 1992-12-03 1993-01-14 Hammelmann, Paul, 4740 Oelde Düsenkopf für eine Drehspritzvorrichtung
DE4328303C2 (de) 1992-12-23 1997-02-13 Juergen Gaydoul Einrichtung zum Entzundern von warmem Walzgut
DE202015101733U1 (de) 2015-04-09 2015-04-23 Ebm-Papst Mulfingen Gmbh & Co. Kg Elektromotor mit verbesserter Kühlung
DE102014109160A1 (de) 2014-06-30 2015-12-31 Hammelmann Maschinenfabrik Gmbh Vorrichtung und Verfahren zum Reinigen eines Körpers mit einer abzutragenden Oberflächenschicht

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DE3902592C2 (de) 1989-01-28 1995-03-23 Gildemeister Ag Antrieb für die Werkstückspindel einer Werkzeugmaschine
EP0586823B1 (fr) * 1992-07-31 1997-10-01 DANIELI & C. OFFICINE MECCANICHE S.p.A. Dispositif de décalaminage employant de l'eau
JP3307771B2 (ja) * 1993-08-23 2002-07-24 ハンス‐ユルゲン、ガイドール 熱間圧延鋼板のデスケーリング手段
JP2914918B2 (ja) * 1996-09-20 1999-07-05 株式会社牧野フライス製作所 工作機械の主軸装置
KR100786719B1 (ko) * 2007-06-27 2007-12-21 녹원종합기술 주식회사 로타리 오토마이저의 분사 디스크 회전장치
FR2939333B1 (fr) * 2008-12-09 2011-10-21 Sames Technologies Projecteur de produit de revetement et procede pour reapprovisionner un tel projecteur
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CN203044221U (zh) * 2013-01-28 2013-07-10 刘国都 电动旋转高压水清洗喷头
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DE102015206393A1 (de) 2015-04-10 2016-10-13 Sms Group Gmbh Vorrichtung zum Reinigen der Oberfläche eines Gegenstandes
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PL3184182T3 (pl) 2015-12-23 2018-08-31 Hammelmann GmbH Urządzenie i sposób czyszczenia przedmiotu z warstwą powierzchniową, która ma zostać usunięta
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Publication number Priority date Publication date Assignee Title
US3850373A (en) 1972-07-12 1974-11-26 Grolitsch Erhard Atomizing device
US4690325A (en) 1986-09-17 1987-09-01 Butterworth Jetting Systems, Inc. High pressure fluid delivery system
DE9216438U1 (de) 1992-12-03 1993-01-14 Hammelmann, Paul, 4740 Oelde Düsenkopf für eine Drehspritzvorrichtung
DE4328303C2 (de) 1992-12-23 1997-02-13 Juergen Gaydoul Einrichtung zum Entzundern von warmem Walzgut
DE102014109160A1 (de) 2014-06-30 2015-12-31 Hammelmann Maschinenfabrik Gmbh Vorrichtung und Verfahren zum Reinigen eines Körpers mit einer abzutragenden Oberflächenschicht
DE202015101733U1 (de) 2015-04-09 2015-04-23 Ebm-Papst Mulfingen Gmbh & Co. Kg Elektromotor mit verbesserter Kühlung

Also Published As

Publication number Publication date
PL3461561T3 (pl) 2022-08-16
EP3461561A1 (fr) 2019-04-03
JP2019063871A (ja) 2019-04-25
KR20190038457A (ko) 2019-04-08
BR102018069784A2 (pt) 2019-04-16
CN109570247A (zh) 2019-04-05
BR102018069784A8 (pt) 2023-02-07
EA201891935A2 (ru) 2019-03-29
JP7260274B2 (ja) 2023-04-18
EA201891935A3 (ru) 2019-08-30
US10894279B2 (en) 2021-01-19
TWI766107B (zh) 2022-06-01
CN109570247B (zh) 2022-07-05
TW201922371A (zh) 2019-06-16
DE102017122802B3 (de) 2018-10-25
US20190099791A1 (en) 2019-04-04
EA038496B1 (ru) 2021-09-07
US20210107048A1 (en) 2021-04-15

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