EP4659544A1 - Schnellkupplungsvorrichtung, induktionsheizvorrichtung, produktionslinie und verfahren zur wartung einer derartigen induktionsheizvorrichtung - Google Patents
Schnellkupplungsvorrichtung, induktionsheizvorrichtung, produktionslinie und verfahren zur wartung einer derartigen induktionsheizvorrichtungInfo
- Publication number
- EP4659544A1 EP4659544A1 EP24805814.1A EP24805814A EP4659544A1 EP 4659544 A1 EP4659544 A1 EP 4659544A1 EP 24805814 A EP24805814 A EP 24805814A EP 4659544 A1 EP4659544 A1 EP 4659544A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- quick
- coil
- coupling
- induction heating
- coupling half
- 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.)
- Pending
Links
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/14—Tools, e.g. nozzles, rollers, calenders
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
- H05B6/103—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces multiple metal pieces successively being moved close to the inductor
- H05B6/104—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces multiple metal pieces successively being moved close to the inductor metal pieces being elongated like wires or bands
Definitions
- the present invention relates to a quick-coupling device for an induction heating device. Furthermore, the present invention relates to an induction heating device for heating metallic workpieces. Furthermore, the present invention relates to a production line for the manufacture and/or processing of metallic workpieces. Finally, the present invention relates to a method for maintaining an induction heating device using a quick-coupling device.
- Known induction heating devices for heating continuously moving metallic workpieces have coils that are stationary relative to the metallic workpieces and/or are vertically and/or horizontally adjustable relative to a conveying direction of the metallic workpieces , wherein the metallic workpieces are guided past the respective coil in a conveying direction.
- the coils of conventional induction heating devices are supplied with electrical energy from an electrical power source via power electronic components such as transformers, inverters , rectifiers, and capacitors .
- the electrical connection between the power electronic components and the coils is made via cables or busbars, and Page 2/55 P80864WO is designed to be as short as possible in order to keep the power losses as low as possible.
- the freedom of movement of the coils, particularly in the horizontal direction to the conveying direction of the metallic workpieces, is limited by the electrical connection between the power electronic components and the coils. With electrical connections via busbars, no relative movement between the power electronic components and the coils is possible. With electrical connections via cables, the maximum horizontal displacement of the coils is limited by the length of the electrical cables. If the cables are made longer to increase the maximum horizontal displacement, the power losses increase due to the extended cable length. Especially with powerful induction heating devices, moving the coils becomes very complex due to the requirements for component dimensioning, such as the cable thickness, the size of the components, the cooling requirements of the induction heating device, and the challenging ambient conditions .
- the present invention is based on the object of providing a quick-coupling device for an induction heating device , by means of which the maintenance times of an induction heating device can be shortened. Page 3/55 P80864WO This object underlying the present invention is achieved by a quick coupling device with the features of claim 1 of the present invention.
- a quick coupling device for an induction heating device for heating metallic workpieces wherein the quick coupling device has a first coupling half, wherein the first coupling half has a first fixing device and a first main electrical connection device.
- the quick coupling device has a second coupling half corresponding to the first coupling half , wherein the second coupling half has a second fixing device corresponding to the first fixing device and a second main electrical connection device corresponding to the first main electrical connection device.
- the quick coupling device can be transferred between an open position and a closed position by a relative movement between the first coupling half and the second coupling half , wherein in the closed position of the quick coupling device the first fixing device is non-positively connected to the second fixing device and the first electrical main connection device is electrically conductively connected to the second electrical main connection device , and wherein in the closed position of the quick coupling device a current, preferably an alternating current, with a current intensity of greater than or equal to 1000 amperes can be transmitted by means of the first electrical main connection device and the second electrical main connection device .
- a quick coupling device designed in this way has the advantage that, when the quick coupling device is used as intended, when one or more coils of an induction heating device are moved into their respective working positions , the quick coupling device is automatically moved into its closed position and an electrical connection is automatically established between the coil(s) and a power supply device.
- the first coupling half is connected to the power supply device in such a way that the first main electrical connection device is electrically connected to the power supply device.
- the second coupling half is connected, for example, to the coil(s) in such a way that the second main electrical connection device is electrically connected to the coil(s).
- the quick-coupling device is transferred into its closed position, so that the first electrical main connection device of the first coupling half is electrically connected to the second electrical main connection device of the second coupling half, thereby automatically establishing an electrical connection between the power supply device and the coil or coils.
- the relative movement between the first coupling half and the second coupling half is caused, so that the quick-coupling device is transferred into its closed position.
- the quick-coupling device is automatically moved into its open position, thereby interrupting the electrical connection between the coil(s) and the power supply device.
- the first main electrical connection device of the first coupling half is separated from the second main electrical connection device of the second coupling half by moving the coil(s) into their waiting or maintenance positions.
- moving the coil(s) into their waiting and/or maintenance positions causes the relative movement between the first coupling half and the second coupling half, so that the quick-coupling device is moved into its open position. This can shorten maintenance times for the induction heating device .
- a further advantage of a quick coupling device designed in this way is that, when used as intended, an induction heating device has a reduced number of permanently existing connections between a coil and a power supply device . This allows maintenance times for the induction heating device to be shortened even further. Furthermore, a quick coupling device designed in this way has the advantage that, when used as intended, it is always ensured that an induction heating device is de-energized in a waiting position and/or in a maintenance position. This reduces the risk to maintenance personnel.
- Two corresponding components can be brought into an operative connection with one another or can enter into one another.
- two corresponding components can be brought into a mechanical and/or electrical and/or fluid-mechanical operative connection with one another or can enter into one another.
- the quick coupling device can preferably be transferred from the open position to the closed position in a first direction of travel .
- the quick coupling device can preferably be transferred from the closed position to the open position in a second direction of travel .
- the second direction of travel is preferably opposite to the first direction of travel.
- the first fixing device In the open position of the quick coupling device, the first fixing device is separated from the second fixing device , in particular mechanically separated, and the first electrical main connection device is electrically separated from the second electrical main connection device.
- an electrical connection is established between the first electrical main connection device and the second electrical main connection device , so that an electrical current can be transmitted by means of the first electrical main connection device and the second electrical main connection device.
- the quick-coupling device is preferably designed such that the quick-coupling device can be connected by means of a translatory relative movement and/or by means of a rotary relative movement between the first coupling half and Page 7/55 P80864WO of the second coupling half can be transferred between an open position and a closed position.
- the quick-coupling device is preferably designed such that, in the closed position of the quick-coupling device , the first fixing device is non-positively connected to the second fixing device by a frictional connection and/or by a vacuum connection, preferably by a fluid -mechanical vacuum connection.
- the fluid-mechanical vacuum connection can be designed as a pneumatic and/or hydraulic vacuum connection.
- a quick-coupling device designed in this way has the advantage that the non-positive connection between the first fixing device and the second fixing device can be established and/or released in a simplified manner.
- the quick-coupling device is preferably designed such that, in the closed position of the quick-coupling device , the first fixing device is additionally positively connected to the second fixing device.
- a quick-coupling device designed in this way has the advantage that the connection between the first coupling half and the second coupling half is even more stable.
- the first fixing device can be designed as a quick-action fastener
- the second fixing device can be designed as a retractable nipple corresponding to the quick-action fastener .
- the first fixing device and the second fixing device can form the components of a quick-action fastener.
- Page 8/55 P80864WO A quick coupling device designed in this way has the advantage that the connection between the first coupling half and the second coupling half can be established and/or released even more quickly.
- the quick coupling device is preferably designed such that the first fixing device has a first recess formed in a first connecting surface of the first coupling half, and that the second fixing device has a first projection which extends, preferably orthogonally , from a second connecting surface in the direction of the first connecting surface of the first coupling half .
- the quick coupling device is transferred into the closed position, the first projection is received in the first recess and engaged behind, so that the first fixing device is positively connected to the second fixing device in the closed position of the quick coupling device .
- a quick coupling device designed in this way has the advantage that the connection between the first coupling half and the second coupling half is further improved.
- the first connecting surface of the first coupling half is arranged opposite the second connecting surface of the second coupling half and is preferably in at least indirect, preferably direct, contact with the latter.
- the first recess can be designed as a blind hole.
- the first recess can have at least one material projection arranged on an inner wall of the first recess, wherein the material projection is designed to engage behind the first projection, preferably in the region of a recess and/or groove of the first projection.
- Page 9/55 P80864WO The first projection can be designed as a cylindrical projection, preferably as a pin or bolt.
- the first projection can have a recess and/or a groove.
- the first projection can be engaged behind by the material projection of the first recess in the region of the recess and/or in the region of the groove .
- the first fixing device can have a second recess which is formed in the first connecting surface of the first coupling half, and the second fixing device can have a second projection which is arranged on the second connecting surface of the second fixing device.
- the second projection can extend from the second connecting surface in the direction of the first connecting surface, preferably extend orthogonally.
- the first fixing device can have a first fixing element and/or a second fixing element.
- the first fixing element and the second fixing element are each movable between an open position and a locking position. By moving the first fixing element into the locking position in the closed position of the quick coupling device , the first fixing element engages behind the first projection. By moving the second fixing element into the locking position in the closed position of the quick coupling device, the second fixing element engages behind the second projection.
- the first fixing element and/or the second fixing element is/are preferably movable in a fixing element movement direction that is transverse to the first movement direction of the quick coupling device.
- Page 10/55 P80864WO movable between an open position and a locking position .
- the fixing element travel direction is preferably aligned orthogonally to the first travel direction of the quick coupling device.
- the first electrical main connection device is arranged on the first connecting surface of the first coupling half
- the second electrical main connection device is preferably arranged on the second connecting surface of the second coupling half.
- the first electrical main connection device and the second electrical main connection device can be designed as electrical contact plates .
- the quick coupling device is preferably designed such that the first coupling half has a first guide device and the second coupling half has a second guide device corresponding to the first guide device , wherein the first coupling half and the second coupling half are guided, preferably centered, by the first guide device and the second guide device with respect to at least one transverse direction to the first travel direction when the quick coupling device is transferred into its closed position .
- a quick coupling device designed in this way has the advantage that the first main electrical connection device can be connected to the second main electrical connection device with improved accuracy . As a result , an electrical current can be transmitted with reduced losses by means of the first main electrical connection device and the second main electrical connection device .
- Page 11/55 P80864WO When the quick coupling device is transferred into the closed position, the first coupling half and the second coupling half are preferably guided by the first guide device and the second guide device in such a way that the first coupling half and the second coupling half are centered relative to one another in the closed position of the quick coupling device with respect to the at least one transverse direction.
- the transverse direction is preferably aligned orthogonally to the first direction of travel of the quick coupling device.
- a quick coupling device designed in this way has the advantage that the first main electrical connection device is connected to the second main electrical connection device with even better accuracy .
- an electrical current can be transmitted with even reduced losses by means of the first main electrical connection device and the second main electrical connection device.
- the first guide device and the first fixing device can be designed as a single component.
- the second guide device and the second fixing device can be designed as a single component.
- the first guide device and the first fixing device can be monolithically connected to one another.
- the second guide device and the second fixing device can be monolithically connected to one another.
- the first guide device can be designed as an entry section of a recess of the first fixing device.
- the entry section of the recess can have a larger free cross-section than a remaining section of the recess.
- the free cross-section of the entry section can transition continuously into the free cross-section of the remaining section of the recess.
- Page 12/55 P80864WO The second guide device can be designed as a conically tapered end section of a projection, in particular a cylindrical projection, of the second fixing device.
- the quick-coupling device is preferably designed such that the first coupling half has a first fluid connection device and the second coupling half has a second fluid connection device corresponding to the first fluid connection device, wherein in the closed position of the quick-coupling device, the first fluid connection device is fluidly connected to the second fluid connection device .
- a quick-coupling device designed in this way has the advantage that, when the quick-coupling device is used as intended, a fluid connection can additionally be automatically established between the first coupling half and the second coupling half when the quick-coupling device is transferred into its closed position .
- a cooling fluid for cooling current conductors can be transferred in this way.
- process fluids may be transferred in general.
- the first fluid connection device and the second fluid connection device may be designed to transfer hydraulic oil, cooling fluid (e.g., cooling water), compressed air, or other fluids between the first coupling half and the second coupling half .
- the quick-coupling device is preferably designed such that the first coupling half has a first electrical secondary connection device and the second coupling half has a corresponding electrical secondary connection device.
- Page 13/55 P80864WO a second electrical auxiliary connection device , wherein in the closed position of the quick-coupling device , the first electrical auxiliary connection device is electrically conductively connected to the second electrical auxiliary connection device .
- a quick-coupling device designed in this way has the advantage that, when the quick-coupling device is used as intended , an additional electrical connection for supplying auxiliary components of an induction heating device is automatically enabled when the quick-coupling device is moved into its closed position.
- an induction heating device having a quick-coupling device has a further reduced number of permanently existing connections between a coil and an electrical energy source. This allows maintenance times for the induction heating device to be shortened even further.
- one or more secondary components can be supplied with electrical energy through the electrically conductive connection between the first electrical secondary connection device and the second electrical secondary connection device .
- a secondary component can be designed as a cooling device, as a display device for electronic control devices, as motion actuators, and/or as other secondary components of an induction heating device and/or a production line for the manufacture and/or processing of metallic workpieces .
- the quick-coupling device is preferably designed such that the first coupling half has a first protective device for protecting the first coupling half from contamination .
- Page 14/55 P80864WO The first protective device can be transferred between an open position and a closed position. In the closed position , the first protective device at least partially covers the first connecting surface of the first coupling half.
- the first protective device can be automatically transferred mechanically, electrically, pneumatically and/or hydraulically into the open position of the first protective device. In other words, transferring the quick coupling device into its closed position automatically triggers the transfer of the first protective device into its open position.
- the first protective device can be designed as a mechanically movable housing.
- a quick coupling device designed in this way has the advantage that the first connecting surface of the first coupling half is protected against environmental influences, in particular against dirt.
- the second coupling half can have a second protective device to protect the second coupling half from contamination .
- the second protective device can be transferred between an open position and a closed position. In the closed position of the second protective device, the second protective device at least partially covers the second connecting surface of the second coupling half.
- the quick-coupling device When the quick-coupling device is transferred into its closed position, the second protective device can be automatically transferred mechanically, electrically, pneumatically and/or hydraulically into the open position of the second protective device. In other words, transferring the quick-coupling device into its closed position automatically triggers the transfer of the second protective device into its open position.
- the second protective device can be designed as a mechanically movable housing. Page 15/55 P80864WO Alternatively or additionally, the second coupling half can have an actuating device corresponding to the first protective device of the first coupling half .
- the actuating device of the second coupling half actuates the first protective device of the first coupling half through mechanical contact of the actuating device with the first protective device, so that the first protective device is transferred into its open position.
- the actuating device can have at least one, preferably two, actuating projections extending from the second coupling half in the direction of the first coupling half.
- the actuating projection can be designed as a pin or bolt .
- the quick-coupling device is preferably designed such that the first coupling half has a first cleaning device for cleaning and/or protecting the first coupling half from contamination .
- a quick-coupling device designed in this way has the advantage that, in particular, an improved electrical connection can be established between the first main electrical connection device and the second main electrical connection device. This further reduces the electrical losses during the transmission of an electrical current by means of the first main electrical connection device and the second main electrical connection device.
- the first cleaning device can have a first compressed air nozzle, wherein the first compressed air nozzle is designed to at least temporarily apply compressed air to the first connecting surface of the first coupling half.
- the first cleaning device can have a further compressed air nozzle, wherein the further compressed air nozzle is designed to generate and maintain an overpressure in a first connecting volume delimited by the first connecting surface and the first protective device .
- the first compressed air nozzle can also be designed to generate and maintain an overpressure in the first connecting volume .
- a quick-coupling device designed in this way has the advantage that the first connecting surface and/or the first fixing device of the first coupling half is further improved in protection against dirt.
- the second coupling half can have a second cleaning device for cleaning and/or protecting the second coupling half from dirt.
- the second cleaning device may comprise a second compressed air nozzle, wherein the second compressed air nozzle is designed to at least temporarily apply compressed air to the second connecting surface of the second coupling half .
- the second cleaning device may comprise a further compressed air nozzle, wherein the further compressed air nozzle is designed to create an overpressure in a second connecting region delimited by the second connecting surface and the second protective device. Page 17/55 P80864WO lumen.
- the second compressed air nozzle can also be designed to generate and maintain an overpressure in the second connection volume .
- the present invention is also based on the object of providing an induction heating device for heating metallic workpieces, which can be serviced in a shortened maintenance time.
- This object underlying the present invention is achieved by an induction heating device with the features of claim 8 of the present invention.
- Advantageous embodiments of the induction heating device are described in the claims dependent on claim 8. More specifically, the object underlying the present invention is achieved by an induction heating device for heating metallic workpieces, comprising at least one first coil that can be transferred between a waiting position and a working position for generating a magnetic field for heating a metallic workpiece, wherein the induction heating device has at least one previously described first quick- coupling device.
- the at least one first coil is electrically connectable to a power supply device by means of the first quick-coupling device, wherein the first main electrical connection device of the first coupling half of the first quick-coupling device is electrically connected to the power supply device or to the first coil , and wherein the second main electrical connection device of the second coupling half of the first quick- coupling device is electrically connected to the first coil or to the power supply device.
- the first quick-coupling device By transferring the first coil to its waiting position, the first quick-coupling device is transferred to its open position. Page 18/55 P80864WO and by transferring the first coil into its working position, the first quick-coupling device is transferred into its closed position, so that an electrical connection between the energy supply device and the first coil is automatically created.
- An induction heating device designed in this way has the advantage that the electrical connection between the first coil and the energy supply device is created in a simplified manner when the first coil is transferred into the working position. Furthermore, the electrical connection between the first coil and the energy supply device is separated in a simplified manner when the first coil is transferred into the waiting position. This makes it possible to shorten maintenance times for the induction heating device .
- a further advantage of an induction heating device designed in this way is that the induction heating device has a reduced number of permanently existing electrical connections, in particular no permanently existing electrical connections, between the first coil and the energy supply device. In particular, long cables for electrically connecting the first coil to the energy supply device can be dispensed with.
- a further advantage of an induction heating device designed in this way is that the coils can be moved without having to move the power supply. This reduces the mass of the entire system that needs to be moved, allowing the coils to be moved with increased dynamics and, at the same time, with a reduced amount of auxiliary energy .
- Page 19/55 P80864WO A power supply device within the meaning of the invention is a device which is designed to provide electrical energy for the operation of at least one coil, in particular electrical energy with electrical current of suitable current intensity, suitable voltage and/or suitable frequency .
- the power supply device can be designed to provide electrical energy for a plurality of coils, in particular for at least two coils, preferably for three, four, five, six or more coils.
- the power supply device can have at least one power converter, in particular an inverter, or be designed as such .
- the power supply device can have one or more transformers and/or one or more rectifiers . If the first electrical main connection device of the first coupling half of the first quick-coupling device is connected to the power supply device, then the second electrical main connection device of the second coupling half of the first quick-coupling device is connected to the first coil.
- the second electrical main connection device of the second coupling half of the first quick-coupling device is connected to the power supply device.
- the working position is automatically generated, can be designed as a forced coupling between the transfer of the first coil into its working position and the transfer of the first quick-coupling device into its closed position.
- the transfer of the first coil into its working position requires the transfer of the first quick-coupling device into its closed position.
- the first quick-coupling device can be transferred to its closed position at the same time.
- An induction heating device designed in this way has the advantage that the electrical connection between the first coil and the energy supply device is established more quickly and with less effort when the first coil is transferred into its working position. This can further shorten maintenance times for the induction heating device (for example, when servicing a coil) .
- the first quick-coupling device can be transferred into its closed position with a time delay, in particular later . In the waiting position of the first coil, the first quick-coupling device is in its open position.
- the first quick-coupling device In the working position of the first coil, the first quick-coupling device is in its closed position.
- the first electrical main connection device of the first coupling half or the second electrical main connection device of the second coupling half of the first quick-coupling device is preferably connected by means of busbars, alternatively Page 21/55 P80864WO natively electrically connected to the power supply device by means of power cables, in particular high-frequency power cables .
- the first main electrical connection device of the first coupling half or the second main electrical connection device of the second coupling half of the first quick- coupling device is preferably electrically connected to the first coil by means of busbars, alternatively by means of power cables, in particular by means of high- frequency power cables.
- the induction heating device is preferably designed such that the first coil can be transferred into its working position along a first coil travel direction.
- the first coil can preferably be transferred from its waiting position and/or from a maintenance position into the working position along the first coil travel direction. Further preferably, the first coil can be transferred from its maintenance position to its waiting position along the first coil travel direction.
- the first coil can preferably be transferred along a second coil travel direction into the waiting position and/or into a maintenance position.
- the first coil can preferably be transferred along the second coil travel direction from the working position into the waiting position and/or into the maintenance position. Further preferably, the first coil can be transferred along the second coil travel direction from the waiting position into the maintenance position .
- the first coil can be transferred between its waiting position and its maintenance position and its working position by means of a translational movement along the first coil travel direction and/or the second coil travel direction .
- Page 22/55 P80864WO Alternatively or additionally, the first spool can be transferred into its working position by means of a rotary movement along at least one first spool rotation direction, preferably from its waiting position and/or from its maintenance position into its working position. Further alternatively or additionally, the first spool can be transferred into its waiting position and/or into its maintenance position by means of a rotary movement along at least one second spool rotation direction , preferably from its working position to its waiting position and/or to its maintenance position .
- the first spool travel direction can be collinear or offset parallel to the first travel direction of the first quick coupling device.
- the second spool travel direction can be collinear or offset parallel to the second travel direction of the first quick coupling device.
- the electrical connection between the first coil and the energy supply device can be established and/or broken only by transferring the first coil between its working position and its waiting position .
- An induction heating device designed in this way has the advantage that an electrical connection between the energy supply device and the first coil can be established with a reduced number of movements, in particular with a reduced number of movements in different directions of movement . As a result, the electrical connection between the first coil and the energy supply device can be established and/or broken even more quickly .
- an electrical operative connection can be established between a metallic workpiece and a Page 23/55 P80864WO by the alternating magnetic field generated by the first coil .
- the first coil travel direction can run transversely, in particular orthogonally, to the first travel direction of the first quick coupling device .
- the second coil travel direction can run transversely, in particular orthogonally, to the second travel direction of the first quick coupling device.
- the induction heating device is designed such that the induction heating device has a second coil which is arranged opposite the first coil, so that metallic workpieces can be positioned between the first coil and the second coil, in particular can be guided between the first coil and the second coil.
- the second coil can preferably be transferred between a maintenance position , a waiting position and a working position.
- the first coil and the second coil preferably form a coherent component.
- the first electrical main connection device of the first coupling half or the second electrical main connection device of the second coupling half of the first quick-coupling device is preferably electrically connected to the second coil.
- the first coil and the second coil can be connected to the second electrical main connection device of the same quick-coupling device .
- the first quick-coupling device is transferred to its closed position.
- Page 24/55 P80864WO so that an electrical connection is created between the energy supply device and the first coil and an electrical connection is created between the energy supply device and the second coil.
- an induction heating device designed in this way has the advantage that an electrical connection between the energy supply device and the second coil can be established more easily and, in particular, more quickly. This can reduce the maintenance time of an induction heating device designed in this way .
- the induction heating device has a second quick-coupling device, wherein the second main electrical connection device of the second coupling half of the second quick-coupling device is electrically connected to the second coil or to the energy supply device.
- the first main electrical connection device of the first coupling half of the second quick-coupling device is preferably electrically connected to the energy supply device or the second coil.
- the second quick-coupling device is preferably transferred into its open position by transferring the second coil into its waiting position and/or into its maintenance position .
- the second quick-coupling device is transferred into its closed position, so that an electrical connection between the power supply device and the second coil is automatically created.
- An induction heating device designed in this way has the advantage that the first coil and the second coil can be transferred independently of one another into their respective working position and/or waiting position and/or maintenance position. This further reduces maintenance times for the induction heating device and minimizes downtime on a production line.
- Page 25/55 P80864WO comprising an induction heating device designed in this way, in particular, can avoid this. While the first coil is in the waiting position, for example, the second coil can remain in the working position and heat a metallic workpiece .
- the feature according to which the electrical connection between the energy supply device and the second coil is automatically created by means of the second quick-coupling device, in particular by means of the first main electrical connection device and the second main electrical connection device of the second quick-coupling device, by transferring the second coil into its working position can be designed as a forced coupling between the transfer of the second coil into its working position and the transfer of the second quick-coupling device into its closed position.
- the transfer of the second coil into its working position requires the transfer of the second quick-coupling device into its closed position.
- the second quick-coupling device can be transferred simultaneously into its closed position.
- An induction heating device designed in this way has the advantage that the electrical connection between the second coil and the power supply device is created more quickly when the second coil is moved into its working position . This further shortens maintenance times for the induction heating device.
- the second quick-coupling device can be moved into its closed position with a time delay, in particular later .
- Page 26/55 P80864WO The induction heating device is preferably designed such that the induction heating device has a third coil and a fourth coil opposite the third coil, so that metallic workpieces can be positioned between the third coil and the fourth coil, in particular can be guided between the third coil and the fourth coil.
- the third coil and the fourth coil can preferably each be transferred between a maintenance position, a waiting position and a working position.
- the third coil and the fourth coil preferably form a coherent component.
- the first electrical main connection device of the first coupling half or the second electrical main connection device of the second coupling half of the first quick-coupling device is preferably electrically connected to the third coil and/or to the fourth coil or to the power supply device .
- the first coil and the third coil and/or the fourth coil can be connected to the second electrical main connection device of the same quick- coupling device.
- the first quick coupling device is transferred into its closed position, so that an electrical connection is created between the energy supply device and the first coil and an electrical connection is created between the energy supply device and the third coil and/or the fourth coil .
- Page 27/55 P80864WO An induction heating device designed in this way has the advantage that an electrical connection between the energy supply device and the third coil and/or the fourth coil can be established more easily and, in particular, more quickly. This allows the maintenance time of an induction heating device designed in this way to be further reduced.
- the induction heating device has a third quick-coupling device and/or a fourth quick-coupling device, wherein the second main electrical connection device of the second coupling half of the third quick-coupling device is electrically connected to the third coil or the energy supply device, and wherein the second main electrical connection device of the second coupling half of the fourth quick-coupling device is electrically connected to the fourth coil or the energy supply device .
- the first main electrical connection device of the first coupling half of the third quick-coupling device is preferably electrically connected to the energy supply device or to the third coil.
- the first electrical main connection device of the first coupling half of the fourth quick-coupling device is preferably electrically connected to the power supply device or the fourth coil.
- the third quick-coupling device is transferred into its open position.
- the fourth quick-coupling device is transferred into its open position .
- the third quick-coupling device is transferred into its closed position, so that an electrical connection between the power supply device and the third coil is automatically created.
- the fourth Page 28/55 P80864WO quick coupling device is transferred into its closed position, so that an electrical connection between the energy supply device and the fourth coil is automatically created.
- An induction heating device designed in this way has the advantage that the maintenance times of the induction heating device are further reduced and downtimes of a production line with an induction heating device designed in this way are particularly avoided.
- the third coil is, for example, in the waiting position
- the fourth coil can remain in the working position and heat a metallic workpiece.
- the feature according to which the electrical connection between the energy supply device and the third coil is automatically established by means of the third quick coupling device by transferring the third coil into its working position can be designed as a forced coupling between the transfer of the third coil into its working position and the transfer of the third quick coupling device into its closed position . In other words, moving the third coil into its working position requires moving the third quick-coupling device into its closed position.
- the feature according to which the electrical connection between the power supply device and the fourth coil is automatically established by means of the fourth quick-coupling device by moving the fourth coil into its working position can be designed as a forced coupling between moving the fourth coil into its working position and moving the fourth quick-coupling device into its closed position .
- moving the fourth coil into its working position requires moving the fourth quick-coupling device into its closed position.
- Page 29/55 P80864WO By moving the third coil into its working position, the third quick-coupling device can be moved simultaneously into its closed position. By moving the fourth coil into its working position, the fourth quick-coupling device can be moved simultaneously into its closed position .
- An induction heating device designed in this way has the advantage that the electrical connection between the third coil and/or the fourth coil and the energy supply device is created more quickly when the third coil and/or the fourth coil are moved into their respective working positions . This can further shorten maintenance times for the induction heating device.
- the third quick-coupling device and/or the fourth quick-coupling device can be moved into their closed position with a time delay, in particular at a later time .
- the previously described further embodiments of the first quick-coupling device apply analogously to the second quick-coupling device, the third quick-coupling device , and the fourth quick-coupling device.
- the embodiments regarding the first and second main electrical connection devices, the first and second secondary electrical connection devices, the first and second fluid connection devices, the first and second guide devices, and the first and second fixing devices can be designed as essentially identical embodiments of the previously described quick-coupling device.
- Page 30/55 P80864WO The induction heating device is preferably designed such that the induction heating device has at least one capacitor device.
- the capacitor device can be electrically connected to the first coil.
- the capacitor device can have a single capacitor.
- the capacitor device can have a plurality of capacitors connected in parallel and/or in series with one another.
- the capacitor device can be electrically connected to the second coil and/or to the third coil and/or to the fourth coil .
- the induction heating device is preferably designed such that the first electrical main connection device of the first coupling half or the second electrical main connection device of the second coupling half of the first quick - coupling device is electrically connected to the capacitor device .
- the first electrical main connection device of the first coupling half of the second quick-coupling device and/or the third quick-coupling device and/or the fourth quick-coupling device can be electrically connected to the capacitor device .
- the second main electrical connection device of the second coupling half of the second quick coupling device and/or the third quick coupling device and/or the fourth quick coupling device can be electrically connected to the capacitor device .
- the induction heating device is preferably designed such that the capacitor device and the first coil form a coherent component.
- the capacitor device and the first coil form a coherent component.
- essentially no relative movement takes place between the capacitor device and the first coil.
- the capacitor device is also moved.
- the capacitor device and/or the second coil and/or the third coil and/or the fourth coil can form a coherent component.
- the induction heating device can have an inductor carriage , wherein the first coil and/or the second coil and/or the third coil and/or the fourth coil and/or the capacitor device can be arranged on the inductor carriage and can form a coherent component therewith.
- An induction heating device designed in this way has the advantage that the first coil and/or the second coil and/or the third coil and/or the fourth coil can be easily moved in a translational manner between a working position, a waiting position , and a maintenance position. This can further reduce the maintenance time of the induction heating device .
- the induction heating device is designed such that the first coil can be transferred between a waiting position and a working position by means of an electrical and/or hydraulic and/or pneumatic actuator.
- the second coil and/or the third coil and/or the fourth coil can be transferred between a waiting position and a working position by means of an electrical and/or hydraulic and/or pneumatic actuator .
- the actuator can be designed as a crane and/or as a multi-axis robot .
- the induction heating device is designed such that the induction heating device has a cooling device , wherein the first coil is fluidly connected to the cooling device by means of cooling fluid lines.
- the cooling fluid lines can be fluidly connected to the first fluid connection device of the first coupling half and the second fluid connection line of the second coupling half .
- the cooling fluid lines can be fluidly connected directly to the first coil and/or to the second coil and/or to the third coil and/or to the fourth coil .
- the condenser device is preferably fluidly connected to the cooling device by means of cooling fluid lines.
- the induction heating device is configured such that the first coil can be transferred into a maintenance position, wherein transferring the first coil from the working position to the maintenance position automatically transfers the first quick-coupling device into its open position.
- the first coil can be transferred directly from its working position to its maintenance position.
- the first coil can be transferred from its working position to its waiting position and from its waiting position to its maintenance position.
- the quick-coupling device When transferring the first coil from its waiting position to its maintenance position, the quick-coupling device remains in its open position.
- the second coil and/or the third coil and/or the fourth coil can be transferred into a maintenance position, preferably directly, wherein by transferring the second coil and/or the third coil and/or the fourth coil from their respective working positions to their respective maintenance positions, the first quick-coupling device and/or the second quick-coupling device and/or the third quick- coupling device and/or the fourth quick-coupling device is/are transferred into its respective open position .
- the first coil and/or the second coil and/or the third coil and/or the fourth coil and/or the capacitor device can be mounted so as to be positionally adjustable in a direction orthogonal to the first and second coil travel directions , preferably in a direction orthogonal to a conveying plane of the metallic workpieces.
- the first coil and/or the second coil and/or the third coil and/or the fourth coil and/or the capacitor device can be mounted so as to be adjustable in position in a further direction orthogonal to the first and second coil travel directions , preferably in a conveying direction of the metallic workpieces.
- the first coil can be positioned offset from the second coil in the conveying direction .
- the third coil can be positioned offset from the fourth coil in the conveying direction.
- the induction heating device can have a first capacitor device and/or a second capacitor device and/or a third capacitor device and/or a fourth capacitor device.
- the first capacitor device can be electrically connected to the first coil.
- the second capacitor device can be electrically connected to the second coil.
- the third capacitor device can be electrically connected to the third coil.
- the fourth capacitor device can be electrically connected to the fourth coil .
- the first coil and the first capacitor device can form a coherent component.
- the second coil and the second capacitor device can form a coherent component.
- the third coil and the third capacitor device can form a coherent component.
- the fourth coil and the fourth capacitor device can form a coherent component.
- the first quick coupling device and/or the second quick coupling device and/or the third quick coupling device and /or the fourth quick coupling device can be mounted so as to be positionally adjustable in the direction orthogonal to the first and second spool travel directions.
- the first quick coupling device and/or the second quick coupling device and/or the third quick coupling device and /or the fourth quick coupling device can be mounted so as to be positionally adjustable in the conveying direction .
- the first quick coupling device and/or the second quick coupling device and/or the third quick coupling device and/or the fourth quick coupling device can thereby follow a positional adjustment of the first spool and/or the second spool and/or the third spool and/or the fourth spool.
- Page 35/55 P80864WO The present invention is further based on the object of providing a production line for the production and/or processing of metallic workpieces, which has reduced downtimes.
- This object underlying the present invention is achieved by a production line with the features of claim 14 of the present invention. More specifically, the object underlying the present invention is achieved by a production line for the production and/or processing of metallic workpieces, wherein the production line has at least one previously described induction heating device and at least one processing device for processing metallic workpieces.
- the production line has a plurality of previously described induction heating devices and/or processing devices for processing metallic workpieces .
- the processing device for processing metallic workpieces can, for example, be or have a rolling device, a pressing device, a cutting device or another processing device.
- the present invention is further based on the object of providing a method for maintaining an induction heating device which has a shortened maintenance time.
- This object underlying the present invention is achieved by a method having the features of claim 15. More specifically, the object underlying the present invention is achieved by a method for maintaining an induction heating device.
- the maintenance area is the area in which the first coil is in the maintenance position.
- the working area is the area in which the first coil is in the working position .
- the barrier can be designed as a mechanical barrier, preferably as a fence or wall.
- the barrier can be designed as a light barrier. Further advantages, details and features of the invention emerge below from the explained exemplary embodiments.
- Figure 1 a schematic representation of a quick coupling device according to a first embodiment in its open position
- Figure 2 a schematic representation of the quick coupling device according to the first embodiment in its closed position
- Figure 3 a schematic representation of an induction heating device according to a second embodiment with a first coil in its working position
- Figure 4 a schematic representation of the induction heating device according to the second embodiment with the first coil in its waiting position
- Figure 5 a schematic representation of the induction heating device according to the second embodiment with the first coil in its maintenance position
- Figure 6 a schematic representation of an induction heating device according to a third embodiment with a first coil and a second coil in their working positions
- Figure 7 a schematic representation of the induction heating device according to the third embodiment with the first coil and the second coil in their waiting positions
- Figure 8 a schematic representation of an induction heating device according to a fourth embodiment with a first coil and a second coil in their working positions.
- Figure 1 shows a quick-coupling device 10 for an induction heating device 40 (not shown in Figure 1) according to a first embodiment in its open position.
- Embodiments of the induction heating device 40 are shown in Figures Page 38/55 P80864WO 3 to 8.
- the quick coupling device 10 has a first coupling half 20 with a first connecting surface 21.
- the first coupling half 20 has a first fixing device 23 and a first electrical main connection device 22, wherein the first fixing device 23 and the first electrical main connection device 22 are arranged on the first connecting surface 21.
- the quick coupling device 10 further has a second coupling half 30 with a second connecting surface 31.
- the second coupling half 30 has a second fixing device 33 corresponding to the first fixing device 23 and a second electrical main connection device 32 corresponding to the first electrical main connection device 22.
- the second fixing device 33 and the second main electrical connection device 32 are arranged on the second connecting surface 31 of the second coupling half 30.
- the quick coupling device 10 can be transferred between the open position shown in Figure 1 and a closed position shown in Figure 2 by a relative movement between the first coupling half 20 and the second coupling half 30.
- the quick coupling device 10 can be transferred from its open position to its closed position by a relative movement of the first coupling half 20 and the second coupling half 30 in a first travel direction R1, and from its closed position to its open position by a relative movement of the first coupling half 20 and the second coupling half 30 in a second travel direction R2 .
- the first fixing device 23 is mechanically separated from the second fixing device 33 and the first electrical main connection device 22 is electrically separated from the second electrical main connection device 32 .
- Page 39/55 P80864WO When the quick coupling device 10 is transferred into its closed position shown in Figure 2, the first electrical main connection device 22 is electrically connected to the second electrical main connection device 32.
- the first fixing device 23 has a first recess 231 and a second recess 232, which are each formed in the first connecting surface 21 of the first coupling half 20.
- the second fixing device 33 has a first projection 331 extending orthogonally from the second connecting surface 31 of the second coupling half 30 in the direction of the first connecting surface 21 of the first coupling half 20 and a second projection 332 extending orthogonally from the second connecting surface 31 of the second coupling half 30 in the direction of the first connecting surface 21.
- the first projection 331 and the second projection 332 are each formed as a cylindrical projection .
- the first fixing device 23 has a first fixing element 233 and a second fixing element 234.
- the first projection 331 is received in the first recess 231 and the second projection 332 in the second recess 232.
- the first fixing element 233 and the second fixing element 234 can be moved between an open position and a locking position in a fixing element movement direction that runs transversely to the first movement direction R1 .
- the first coupling half 20 has a first guide device 24 and the second coupling half 30 has a second guide device 34 corresponding to the first guide device 24.
- the first coupling half 20 and the second coupling half 30 are with respect to at least Page 40/55 P80864WO a transverse direction to the first travel direction R1 .
- the first guide device 24 is designed as an inlet section of the first recess 231 of the first fixing device 23 and has a larger free cross-section than a remaining section of the first recess 231.
- the second guide device 34 is designed as a conically tapered end section of the first projection 331.
- the first projection 331 and the second projection 332 each have a groove 333, 334.
- the first coupling half 20 also has a first fluid connection device 25, which is arranged on the first connection surface 21 of the first coupling half 20.
- the second coupling half 30 also has a second fluid connection device 35 corresponding to the first fluid connection device 25 , which is arranged on the second connecting surface 31 of the second coupling half 30.
- the first coupling half 20 has a first protective device 26 for protecting the first coupling half 20 from contamination .
- the first protective device 26 can be transferred between an open position and a closed position. In the closed position of the first protective device 26 shown in Figure 1, the first protective device 26 covers the first connecting surface 21 of the first coupling half 20.
- the first protective device 26 is automatically mechanically transferred into the open position of the first protective device 26 when the quick coupling device 10 is transferred into its closed position shown in Figure 2.
- the second coupling half 30 has an actuating device 36 corresponding to the first protective device 26 .
- the actuating device 36 actuates the first protective device 26 of the first coupling half 20 by mechanical contact of the actuating device 36 with the first protective device 26, so that the first protective device 26 is transferred into its open position .
- the actuating device 36 has two actuating projections extending from the second coupling half 30 in the direction of the first coupling half 20.
- Figure 2 shows the quick coupling device 10 according to the first embodiment in its closed position.
- the first protective device 26 is in its open position.
- the first main electrical connection device 22 is in electrical contact with the second main electrical connection device 32.
- the first connecting surface 21 of the first coupling half 20 is arranged opposite the second connecting surface 31 of the second coupling half 30 .
- FIG. 3 shows an induction heating device 40 according to a second embodiment.
- the induction heating device 40 has a first coil 41 for generating a magnetic field for heating a metallic workpiece 50.
- the induction heating device 40 is connected to a power supply device 42. Page 42/55 P80864WO coupled.
- the energy supply device 42 can be a component of the induction heating device 40.
- the first coil 41 is in its working position.
- the first coil 41 can be transferred between the working position shown in Figure 3 and a waiting position shown in Figure 4 and a maintenance position shown in Figure 5.
- the induction heating device 40 has a capacitor device 43, wherein the capacitor device 43 is electrically connected to the first coil 41.
- the capacitor device 43 and the first coil 41 form a coherent component.
- the induction heating device 40 also has a quick coupling device 10 according to the first embodiment, wherein the first main electrical connection device 22 of the first coupling half 20 of the quick coupling device 10 is electrically connected to the power supply device 42 and the second main electrical connection device 32 of the second coupling half 30 of the quick coupling device 10 is electrically connected to the capacitor device 43.
- the quick coupling device 10 By transferring the first coil 41 into its waiting position shown in Figure 4 and/or into its maintenance position shown in Figure 5, the quick coupling device 10 is transferred into its open position. By transferring the first coil 41 into its working position, the quick coupling device 10 is transferred into its closed position, so that an electrical connection between the power supply device 42 and the first coil 41 is automatically created.
- the first spool 41 can be moved from its working position to its waiting position and/or to its maintenance position in a second spool travel direction S2 .
- the second spool travel direction S2 corresponds to the second travel direction R2 of the quick-coupling device 10.
- FIG. 4 shows the induction heating device 40 according to the second embodiment, wherein the first coil 41 is in its waiting position. In the waiting position of the first coil 41, the quick-action coupling device 10 is in its open position. The first coil 41 can be transferred from its waiting position to its working position in a first coil travel direction S1 . The first coil 41 can be transferred from its waiting position to its maintenance position in a second coil travel direction S2 .
- Figure 5 shows the induction heating device 40 according to the second embodiment, wherein the first coil 41 is in its maintenance position.
- the quick-coupling device 10 In the maintenance position of the first coil 41, the quick-coupling device 10 is in its open position.
- the first coil 41 can be transferred in a first coil travel direction S1 from its maintenance position to its waiting position and/or to its working position.
- a barrier 60 for securing the first coil 41 is provided between the first coil 41 and the metallic workpiece 50. The barrier 60 is automatically removed when the first coil 41 is transferred to its waiting position and/or to its working position.
- Page 44/55 P80864WO Figure 6 shows an induction heating device 40 according to a third embodiment.
- the induction heating device 40 has a first coil 41 and a second coil 46 for generating a magnetic field for heating a metallic workpiece 50.
- the first coil 41 and the second coil 46 are each in their working positions.
- the first coil 41 and the second coil 46 can be transferred between the working position shown in Figure 6 and a waiting position shown in Figure 7 and a maintenance position not shown.
- the induction heating device 40 has a first capacitor device 44, wherein the first capacitor device 44 is electrically connected to the first coil 41.
- the first capacitor device 44 and the first coil 41 form a coherent component.
- the induction heating device 40 has a second capacitor device 45, wherein the second capacitor device 45 is electrically connected to the second coil 46.
- the second capacitor device 45 and the second coil 46 form a coherent component.
- the induction heating device 40 also has two quick-coupling devices 10 according to the first embodiment, wherein the first electrical main connection device 22 of the first coupling half 20 of one quick-coupling device 10 is electrically connected to the power supply device 42 and the second electrical main connection device 32 of the second coupling half 30 of this quick-coupling device 10 is electrically connected to the first capacitor device 44.
- the first electrical main connection device 22 of the first coupling half 20 of the other quick-coupling device 10 is electrically connected to the power supply device 42 and the second Page 45/55 P80864WO
- the main electrical connection device 32 of the second coupling half 30 of this quick-coupling device 10 is electrically connected to the second capacitor device 45.
- the quick -coupling devices 10 are transferred into their open positions.
- the quick-coupling devices 10 are transferred into their closed position, so that an electrical connection between the power supply device 42 and the first coil 41 and/or the second coil 46 is automatically created.
- the first coil 41 and the second coil 46 can be transferred in a second coil travel direction S2 from their working positions to their waiting positions and/or to their maintenance positions .
- the first coil 41 and the second coil 46 can be transferred between their respective working positions and/or waiting positions and/or maintenance positions synchronously or with a time offset from one another .
- Figure 7 shows the induction heating device 40 according to the third embodiment, wherein the first coil 41 and the second coil 46 are in their waiting positions. In the waiting position of the first coil 41 and the second coil 46, the quick-coupling devices 10 are in their open positions.
- Figure 8 shows an induction heating device 40 according to a fourth embodiment in its working position.
- the induction heating device 40 has a first coil 41 and a Page 46/55 P80864WO a first capacitor device 44 electrically connected to the first coil 41.
- the induction heating device 40 has a second coil 46 and a capacitor device 45 electrically connected to the second coil 46.
- the first capacitor device 44 is connected to the second capacitor device 45 by means of a flexible electrical energy transmission device 47 designed as a cable 48.
- the induction heating device 40 also has a quick coupling device 10 according to the first embodiment, wherein the first main electrical connection device 22 of the first coupling half 20 of the quick coupling device 10 is electrically connected to the energy supply device 42 and the second main electrical connection device 32 of the second coupling half 30 of the quick coupling device 10 is electrically connected to the first capacitor device 44.
- the quick-coupling device 10 By moving the first coil 41 into its waiting position (not shown) and/or its maintenance position (not shown ), the quick-coupling device 10 is moved into its open position.
- the quick-coupling device 10 is moved into its closed position, so that an electrical connection between the power supply device 42 and the first coil 41 and the second coil 46 is automatically created.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102024101161.0A DE102024101161A1 (de) | 2024-01-16 | 2024-01-16 | Schnellkupplungsvorrichtung, Induktionsheizvorrichtung, Produktionslinie und Verfahren zur Wartung einer derartigen Induktionsheizvorrichtung |
| PCT/EP2024/082010 WO2025153204A1 (de) | 2024-01-16 | 2024-11-12 | Schnellkupplungsvorrichtung, induktionsheizvorrichtung, produktionslinie und verfahren zur wartung einer derartigen induktionsheizvorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4659544A1 true EP4659544A1 (de) | 2025-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24805814.1A Pending EP4659544A1 (de) | 2024-01-16 | 2024-11-12 | Schnellkupplungsvorrichtung, induktionsheizvorrichtung, produktionslinie und verfahren zur wartung einer derartigen induktionsheizvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4659544A1 (de) |
| JP (1) | JP2026509378A (de) |
| CN (1) | CN120770203A (de) |
| DE (1) | DE102024101161A1 (de) |
| WO (1) | WO2025153204A1 (de) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19916984C1 (de) * | 1999-04-15 | 2000-07-13 | Raymond A & Cie | Steckverbindung für wassergekühlte, stromführende Leitungen an Werkzeugen und anderen Geräten |
| US6720527B2 (en) * | 2001-06-19 | 2004-04-13 | Illinois Tool Works, Inc. | Power cord for a welding-type power supply |
| US20050092738A1 (en) * | 2003-10-31 | 2005-05-05 | Ring Edmund J. | Inductive heating device including an inductive coupling assembly |
| US8115147B2 (en) * | 2005-06-03 | 2012-02-14 | Illinois Tool Works Inc. | Induction heating system output control based on induction heating device |
| DE102011086212B4 (de) * | 2011-11-11 | 2013-08-01 | Universität Stuttgart | Vorrichtung zur Verbindung zweier elektrischer Leitungen |
| US20140321496A1 (en) * | 2011-12-23 | 2014-10-30 | Sms Mevac Gmbh | Device for supplying energy to melting furnaces |
| US9589705B2 (en) * | 2012-10-17 | 2017-03-07 | Illinois Tool Works Inc. | Cooled power connector with shut off valve, induction heating system, and cable for use with connector |
| AT522035A1 (de) * | 2019-01-14 | 2020-07-15 | Primetals Technologies Austria GmbH | Vorrichtung zur induktiven Erwärmung eines Werkstücks in einer Walzanlage |
| DE102021201472B4 (de) * | 2021-02-16 | 2022-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Elektrische Kontakteinheit |
-
2024
- 2024-01-16 DE DE102024101161.0A patent/DE102024101161A1/de active Pending
- 2024-11-12 CN CN202480017864.6A patent/CN120770203A/zh active Pending
- 2024-11-12 JP JP2025555327A patent/JP2026509378A/ja active Pending
- 2024-11-12 EP EP24805814.1A patent/EP4659544A1/de active Pending
- 2024-11-12 WO PCT/EP2024/082010 patent/WO2025153204A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2026509378A (ja) | 2026-03-18 |
| CN120770203A (zh) | 2025-10-10 |
| WO2025153204A1 (de) | 2025-07-24 |
| DE102024101161A1 (de) | 2025-07-17 |
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