Quick-action coupling device, induction heating device, production line and method for servicing an induction heating device of this kind

Abstract

The invention relates to a quick-action coupling device (10) for an induction heating device (40) for heating metal workpieces, the quick-action coupling device (10) having a first coupling half (20) and a second coupling half (30), which corresponds to the first coupling half (20). The quick-action coupling device (10) is movable between an open position and a closed position by way of a relative movement between the first coupling half (20) and the second coupling half (30), a first electrical main connecting means (22) being electrically conductively connected to a second electrical main connecting means (32) in the closed position of the quick-action coupling device (10), so that a current with a current intensity of greater than or equal to 1000 amperes is transmittable by means of the first electrical main connecting means (22) and the second electrical main connecting means (32) in the closed position of the quick-action coupling device (10).

Description

[0001] Page 1 / 55Applicant: SMS group GmbHOur reference: P80864WOOctober 22, 2024Quick-coupling device, induction heating device, production line, and method for maintaining such an induction heating device.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 manufacturing and / or processing 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 fixed relative to the metallic workpieces and / or adjustable vertically and / or horizontally relative to a conveying direction of the metallic workpieces, with the metallic workpieces being guided past the respective coil in a conveying direction. The coils of known induction heating devices are supplied with electrical energy from an electrical energy source via power electronic components such as transformers, inverters, rectifiers, and capacitors. The electrical connection between the power electronic components and the coils is established via cables or busbars and is kept as short as possible to minimize the resulting power losses.The freedom of movement of the coils, particularly in the horizontal direction relative 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.Particularly with high-performance induction heating devices, the demands on component dimensioning, such as cable thickness, component size, cooling requirements for the induction heating device, and challenging environmental conditions, make moving the coils very complex. Finally, the electrical connections between the coil(s) and the power electronic components limit maintenance of the power electronic components and the coils. On the one hand, access to the power electronic components is made difficult by the limited freedom of movement. On the other hand, maintenance of the coils is only possible during a production line shutdown due to the electrical connections that must be removed manually. This leads to long maintenance times and thus to high production downtimes.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 / 55P80864WO This object underlying the present invention is achieved by a quick-coupling device having the features of claim 1 of the present invention. Advantageous embodiments of the quick-coupling device are described in the claims dependent on claim 1. More specifically, the object underlying the present invention is achieved by 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.Page 4 / 55P80864WO When a proper use or intended application of the quick-coupling device is described below, the use and / or application of the quick-coupling device in an induction heating device is meant. 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, thereby automatically establishing an electrical connection between the coil(s) and a power supply device. For this purpose, for example, the first coupling half is connected to the power supply device in such a way that the first electrical main connection device is electrically connected to the power supply device.The second coupling half is connected to the coil(s), for example, in such a way that the second electrical main connection device is electrically connected to the coil(s). Simply moving the coil(s) into their working positions moves the quick-coupling device 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(s). In other words, moving the coil(s) into their working position causes relative movement between the first coupling half and the second coupling half, so that the quick-coupling device is moved into its closed position.When transferring the coil(s) into their respective waiting or maintenance positions, the quick-coupling device is automatically transferred to its open position, interrupting the electrical connection between the coil(s) and the power supply device. For this purpose, the first electrical main connection device of the first coupling half is separated from the second electrical main connection device of the second coupling half by transferring the coil(s) into their waiting or maintenance positions. In other words, transferring the coil(s) into their waiting and / or maintenance positions causes relative movement between the first coupling half and the second coupling half, so that the quick-coupling device is transferred to 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 further shortened. 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 standby position and / or in a maintenance position. This reduces the risk to maintenance personnel. Two corresponding components (e.g.The first coupling half and the second coupling half, the first fixing side (6 / 55P80864WO device and the second fixing device, the first electrical main connection device and the second electrical main connection device) can be brought into an operative connection with one another or can enter into such a connection with one another. In particular, 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 such a connection with 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.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. By transferring the quick-coupling device from its open position to its closed position, 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 transferred between an open position and a closed position by means of a translational relative movement and / or by means of a rotational relative movement between the first coupling half and Page 7 / 55P80864W or second coupling half. 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 more easily. The quick-coupling device is preferably designed such that, in the closed position of the quick-coupling device, the first fixing device is additionally connected to the second fixing device in a form-fitting manner. 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, and the second fixing device can be designed as a retractable nipple corresponding to the quick-action fastener. In other words, the first fixing device and the second fixing device can form the components of a quick-action fastener.Page 8 / 55P80864WO 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 that extends, preferably orthogonally, from a second connecting surface in the direction of the first connecting surface of the first coupling half. When 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.den ist.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. In the closed position of the quick-coupling device, 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 / 55P80864WO The first projection can be designed as a cylindrical projection, preferably as a pin or bolt. TheThe 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 formed in the first connecting surface of the first coupling half, and the second fixing device can have a second projection 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 extending orthogonally. The first fixing device can have a first fixing element and / or a second fixing element. When the quick coupling device is transferred into its closed position, the first projection is received in the first recess and the second projection in the second recess. The first fixing element and the secondThe fixing elements 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 between an open position and a locking position in a fixing element movement direction that runs transversely to the first movement direction of the quick coupling device. The fixing element movement direction is preferably oriented orthogonally to the first movement direction of the quick coupling device. Preferably, the first electrical main connection device is arranged on the first connection surface of the firstCoupling half, and 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 theThe first electrical main connection device can be connected to the second electrical main connection device with improved accuracy. This allows an electrical current to be transmitted with reduced losses by means of the first electrical main connection device and the second electrical main connection device. Page 11 / 55P80864WO. Preferably, the first coupling half and the second coupling half are guided by the first guide device and the second guide device when transferring the quick-coupling device into the closed position such 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 at least one transverse direction. The transverse direction is preferably aligned orthogonally to the first travel direction of the quick-coupling device. A quick-coupling device designed in this way has the advantage thatthat the first electrical main connection device is connected to the second electrical main connection device with further improved accuracy. As a result, an electrical current can be transmitted with further reduced losses by means of the first electrical main connection device and the second electrical main 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. In particular, the first guide device and the first fixing device can be monolithically connected to one another. In particular, 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 alarger free cross-section than a remaining section of the recess. The free cross-section of the inlet section can continuously transition into the free cross-section of the remaining section of the recess. Page 12 / 55P80864WO 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 used as intended,When the quick coupling device is transferred into its closed position, a fluid connection can additionally be automatically established between the first coupling half and the second coupling half. For example, a cooling fluid for cooling current conductors can be transferred in this way. Furthermore, it can be made possible, for example, for process fluids in general to be transferred. The first fluid connection device and the second fluid connection device can 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 auxiliary connection device and the second coupling half has a second electrical auxiliary connection device corresponding to the first electrical auxiliary connection device, whereinIn the closed position of the quick-coupling device, the first electrical auxiliary connection device is electrically 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 transferred into its closed position. Furthermore, an induction heating device comprising 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 again. In the closed position of the quick-coupling device, one or more auxiliary components can be connected via the electrically conductive connection.between the first electrical auxiliary connection device and the second electrical auxiliary 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 / 55P80864WO 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 connection surface of the first coupling half. The first protective device can, when transferring theThe quick-coupling device can be automatically transferred mechanically, electrically, pneumatically, and / or hydraulically into the open position of the first protective device in its closed position. 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 transferable between an open position and a closed position. In the closed position of the second protective device, the secondThe protective device at least partially covers the second connecting surface of the second coupling half. The second protective device can be automatically transferred mechanically, electrically, pneumatically, and / or hydraulically when the quick-coupling device is transferred from its closed position 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 / 55P80864WO Alternatively or additionally, the second coupling half can have an actuating device corresponding to the first protective device of the first coupling half. When the quick-coupling device is transferred into its closed position, the actuating device of the second coupling half actuates the first protective device of the firstCoupling half by mechanical contact of the actuating device to the first protective device, so that the first protective device is transferred into its open position. In other words, there is a mechanical operative connection between the first protective device of the first coupling half and the actuating device of the second coupling half when transferring the quick coupling device into its closed 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 electrical main connection device and the second electrical main connection device. This further reduces the electrical losses during the transmission of an electrical current by means of the first electrical main connection device and the second electrical main connection device. Page 16 / 55P80864WO 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 connection 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 connection volume delimited by the first connection surface and the first protective device. Alternatively or additionally, the first compressed air nozzle can alsobe designed to generate and maintain an overpressure in the first connection volume. A quick-coupling device designed in this way has the advantage that the first connection surface and / or the first fixing device of the first coupling half is further improved in terms of protection against dirt. This allows the electrical losses during the transmission of electrical current by means of the first electrical main connection device to be further reduced. 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 can have a second compressed air nozzle, wherein the second compressed air nozzle is designed to at least temporarily apply compressed air to the second connection surface of the second coupling half. The second cleaning device can have a further compressed air nozzle, wherein the further compressed air nozzleis designed to generate and maintain an overpressure in a second connection volume delimited by the second connection surface and the second protective device. Alternatively or additionally, 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. In more detail, the object underlying the present invention is achieved by an induction heating device for heatingof metallic workpieces, comprising at least one first coil transferable 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 electrical main 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 electrical main 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. By transferring the first coil to its waiting position, theThe first quick-coupling device is moved into its open position, page 18 / 55P80864WO, and by moving the first coil into its working position, the first quick-coupling device is moved into its closed position, so that an electrical connection between the power 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 power supply device is created in a simplified manner when the first coil is moved into the working position. Furthermore, the electrical connection between the first coil and the power supply device is separated in a simplified manner when the first coil is moved into the waiting position. This allows maintenance times for the induction heating device to be shortened. A further advantage of an induction heating device designed in this way is that the induction heating device requires a reduced number ofpermanent electrical connections, in particular no permanent electrical connections, between the first coil and the power supply device. In particular, long cables for electrically connecting the first coil to the power supply device can be dispensed with. This reduces the electrical losses due to the current transmission between the power supply device and the first coil, so that the induction heating device has increased efficiency. 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 device. This reduces the mass of the entire system to be moved, so that the coils can be moved with increased dynamics and simultaneously with a reduced amount of auxiliary energy. Page 19 / 55P80864WO. A power supply device within the meaning of the invention is aDevice configured to provide electrical energy for operating 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 configured 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 comprise or be configured as at least one power converter, in particular an inverter. The power supply device can comprise 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 secondCoupling half of the first quick-coupling device is connected to the first coil. Alternatively, if the first electrical main connection device of the first coupling half of the first quick-coupling device is connected to the first coil, then 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 feature according to which the electrical connection between the power supply device and the first coil is automatically created by means of the first quick-coupling device, in particular by means of the first electrical main connection device and the second electrical main connection device of the first quick-coupling device by transferring the first coil into its working position, can be considered as a forced coupling between the transfer of the first coil into its working position and the transfer of the firstThe quick-coupling device can be configured in its closed position. In other words, transferring the first coil into its working position requires transferring the first quick-coupling device into its closed position. By transferring the first coil into its working position, the first quick-coupling device can be simultaneously transferred into its closed position. An induction heating device configured in this way has the advantage that the electrical connection between the first coil and the power 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 (e.g., when servicing a coil). Alternatively, by transferring the first coil into its working position, 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. 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 electrically connected to the power supply device by means of busbars, alternatively by means of power cables, in particular high-frequency power cables. 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 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 designed such that the first coil can be transferred along a first coil travel direction into its working position. The first coil can preferably be transferred along the first coil travel direction from its waiting position and / or from a maintenance position into the working position. Further preferably, the first coil can be transferred along the first coil travel direction from its maintenance position to its waiting position. The first coil can preferably be transferred along a second coil travel direction into the waiting position and / or into a maintenance position. Preferably, the first coil can be transferred along the second coil travel direction from the working position to 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 to the maintenance position. The first coil can be moved by means of a translational movement along thefirst coil travel direction and / or the second coil travel direction between its waiting position and its maintenance position and its working position. Page 22 / 55P80864WO Alternatively or additionally, the first coil can be transferred into its working position by means of a rotary movement along at least one first coil rotation direction, preferably from its waiting position and / or from its maintenance position to its working position. Further alternatively or additionally, the first coil can be transferred into its waiting position and / or its maintenance position by means of a rotary movement along at least one second coil rotation direction, preferably from its working position to its waiting position and / or its maintenance position. The first coil travel direction can be collinear or offset parallel to the first travel direction of the first quick coupling device. The secondThe coil travel direction can be collinear or offset parallel to the second travel direction of the first quick-coupling device. In particular, 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. In the working position of the first coil, an electrical operative connection between a metallic workpiece anda Page 23 / 55P80864WO magnetic alternating 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. Preferably, the induction heating device is designed such that the induction heating device has a second coil 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 electricalThe 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. In other words, the first coil and the second coil can be connected to the second electrical main connection device of the same quick-coupling device. Preferably, by transferring the first coil and / or the second coil into their respective working positions, the first quick-coupling device is transferred into its closed position, Page 24 / 55P80864WO, so that an electrical connection is created between the power supply device and the first coil and an electrical connection is created between the power supply device and the second coil. An induction heating device designed in this way has the advantage that an electrical connection between the power supply device and thesecond coil can be manufactured in a simplified and, in particular, accelerated manner. This allows the maintenance time of an induction heating device designed in this way to be reduced. Alternatively, the induction heating device has a second quick-coupling device, wherein the second electrical main connection device of the second coupling half of the second quick-coupling device is electrically connected to the second coil or to the power supply device. The first electrical main connection device of the first coupling half of the second quick-coupling device is preferably electrically connected to the power supply device or the second coil. Preferably, by transferring the second coil into its waiting position and / or into its maintenance position, the second quick-coupling device is transferred into its open position. Preferably, by transferring the second coil into its working position, the second quick-coupling device is transferred into itsClosed 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 allows the maintenance times of the induction heating device to be further reduced and downtimes of a production line having an induction heating device designed in this way can be particularly avoided. While the first coil is, for example, in the waiting position, the second coil can remain in the working position and heat a metallic workpiece. The feature according to which the electrical connection between the power supply device and the second coil is established by means of the second quick-coupling device, in particular by means of the firstThe connection between the electrical main connection device and the second electrical main connection device of the second quick-coupling device is automatically generated by transferring the second coil into its working position. This connection 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. In other words, the transfer of the second coil into its working position requires the transfer of the second quick-coupling device into its closed position. By transferring the second coil into its working position, the second quick-coupling device can be simultaneously transferred 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 generated more quickly when the second coil is transferred into its working position.This allows maintenance times for the induction heating device to be further shortened. Alternatively, by transferring the second coil into its working position, the second quick-coupling device can be transferred to its closed position with a time delay, in particular later. Page 26 / 55P80864WO Preferably, the induction heating device is 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 are preferably each transferable 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 halfor 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 the fourth coil or to the power supply device. In other words, 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. Preferably, by transferring the first coil and / or the third coil and / or the fourth coil into their respective working positions, the first quick-coupling device is transferred to its closed position, so that an electrical connection is created between the power supply device and the first coil and an electrical connection between the power supply device and the third coil and / or the fourth coil. Page 27 / 55P80864WO An induction heating device designed in this way has the advantagethat an electrical connection between the energy supply device and the third coil and / or the fourth coil can be established in a simplified and, in particular, accelerated manner. As a result, the maintenance time of an induction heating device designed in this way can be further reduced. Alternatively, the induction heating device has a third quick-coupling device and / or a fourth quick-coupling device, wherein the second electrical main 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 electrical main 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 electrical main connection device of the first coupling half of the third quick-coupling device is preferably provided withthe power supply device or with 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. Preferably, by transferring the third coil into its waiting position and / or into its maintenance position, the third quick-coupling device is transferred into its open position. Preferably, by transferring the fourth coil into its waiting position and / or into its maintenance position, the fourth quick-coupling device is transferred into its open position. Preferably, by transferring the third coil into its working 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. Preferably, by transferring the fourth coil intowhose working position transfers the fourth Page 28 / 55P80864WO quick coupling device into its closed position, so that an electrical connection between the power 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. While 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 power 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 considered a forced coupling between the transfer of thethird coil in its working position and the transfer of the third quick-coupling device into its closed position. In other words, the transfer of the third coil into its working position requires the transfer of 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 transferring the fourth coil into its working position can be designed as a forced coupling between the transfer of the fourth coil into its working position and the transfer of the fourth quick-coupling device into its closed position. In other words, the transfer of the fourth coil into its working position requires the transfer of the fourth quick-coupling device into its closed position. Page 29 / 55P80864WO By transferring the third coil into its working position, thethird quick-coupling device can be simultaneously transferred into its closed position. By transferring the fourth coil into its working position, the fourth quick-coupling device can be simultaneously transferred 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 power supply device is created more quickly when the third coil and / or the fourth coil are transferred into their respective working positions. This can further shorten maintenance times for the induction heating device. Alternatively, by transferring the third coil and / or the fourth coil into their respective working positions, the third quick-coupling device and / or the fourth quick-coupling device can be transferred into their closed position with a time delay, in particular later. The previously described further embodiments of theThe first quick-coupling device applies analogously to the second quick-coupling device, the third quick-coupling device, and the fourth quick-coupling device. In particular, the statements regarding the first and second electrical main connection devices, the first and second electrical secondary connection devices, the first and second fluid connection devices, the first and second guide devices, and the first and second fixing devices. In particular, the first quick-coupling device, the second quick-coupling device, the third quick-coupling device, and the fourth quick-coupling device can be designed as substantially identical embodiments of the previously described quick-coupling device. Page 30 / 55P80864WO Preferably, the induction heating device is designed such that the induction heating device has at least one capacitor device. The capacitor device can be provided withthe first coil. The capacitor device can comprise a single capacitor. Alternatively, the capacitor device can comprise a plurality of capacitors connected in parallel and / or in series. The capacitor device can be electrically connected to the second coil and / or to the third coil and / or to the fourth coil. Preferably, the induction heating device is 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 electrical main 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. Page 31 / 55P80864WO Preferably, the induction heating device is designed such that the capacitor device and the first coil form a coherent component. In particular, when transferring the first coil between the maintenance position and / or the waiting position and / or the working position, essentially no relative movement takes place between the capacitor device and the first coil. In other words, when transferring the first coil between the maintenance position and / or the waiting position and / or the working position, 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 be aform 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 with it. 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 moved in a simplified 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. Preferably, 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. Page 32 / 55P80864WO PreferablyThe 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 electric and / or hydraulic and / or pneumatic actuator. The actuator can be designed as a crane and / or as a multi-axis robot. Preferably, 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. Alternatively, 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 connected to the cooling device by means of cooling fluid lines.fluidly connected. Preferably, the induction heating device is designed such that the first coil can be transferred into a maintenance position, wherein by transferring the first coil from the working position to the maintenance position, the first quick-coupling device is automatically transferred into its open position. The first coil can be transferred from its working position directly into its maintenance position. Alternatively or additionally, the first coil can be transferred from its working position to its waiting position and from its waiting position to its maintenance position. Page 33 / 55P80864WO When transferring the first coil from its waiting position to its maintenance position, the quick-coupling device remains in its open position. Preferably, 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 fourthCoil 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 positionally adjustable 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 in the conveying direction from the second coil. The third coil can be positioned offset in the conveying direction from the fourth coil. Page 34 / 55 P80864WO 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 thirdCapacitor 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 coil 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. In particular, 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 be adapted to a positional adjustment of the first coil and / or thesecond coil and / or the third coil and / or the fourth coil. Page 35 / 55P80864WO The present invention is further based on the object of providing a production line for the manufacture 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 manufacture 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. Preferably, the production line has a plurality of previously described induction heating devices and / or processing devices for processingmetallic workpieces. The processing device for processing metallic workpieces can, for example, be or comprise a rolling device, a pressing device, a cutting device, or other processing device. The present invention is further based on the object of providing a method for servicing 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 servicing an induction heating device using a previously described quick-coupling device, wherein the method comprises the following method steps: - transferring the first coil into a maintenance position, and - providing a barrier between a maintenance area anda working area of ​​the first coil for securing the maintenance area. 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 from the exemplary embodiments explained below. These show in detail: 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; Page37 / 55P80864WO Figure 4: a schematic representation of the induction heating device according to the second embodiment with the first coil in its standby 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 standby positions; and 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. In the following description, the same reference numerals denote the same components or the same features, so that a description of a figureThe description made with respect to a component also applies to the other figures, thus avoiding a repetitive description. Furthermore, individual features that were described in connection with one embodiment can also be used separately in other embodiments. 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 38 / 55P80864WO3 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 connecting device 22, wherein the first fixing device 23 and the first electrical main connecting device 22 are arranged on the first connecting surface 21. TheThe quick coupling device 10 further comprises a second coupling half 30 with a second connecting surface 31. The second coupling half 30 comprises a second fixing device 33 corresponding to the first fixing device 23 and a second electrical main connecting device 32 corresponding to the first electrical main connecting device 22. The second fixing device 33 and the second electrical main connecting device 32 are arranged on the second connecting surface 31 of the second coupling half 30. The quick coupling device 10 can be transferred by a relative movement between the first coupling half 20 and the second coupling half 30 between the open position shown in Figure 1 and a closed position shown in Figure 2. In particular, the quick coupling device 10 can be moved by a relative movement of the first coupling half 20 and the second coupling half 30 in a first travel direction R1 from theirOpen position can be transferred into its closed position and can be transferred 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. In the open position of the quick coupling device 10, 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 / 55P80864WO 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, each formed in the first connecting surface 21 of the first coupling half 20. The second fixing device 33 hasa 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 designed as a cylindrical projection. The first fixing device 23 has a first fixing element 233 and a second fixing element 234. When the quick coupling device 10 is transferred into its closed position shown in Figure 2, the first projection 331 is received in the first recess 231 and the second projection 332 is received in the second recess 232. The first fixing element 233 and the second fixing element 234 are in a fixing element travel direction, which runs transversely to the first travel direction R1, between an open position anda locking position. 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. When the quick-coupling device 10 is transferred into its closed position, the first coupling half 20 and the second coupling half 30 are guided centered with respect to at least a transverse direction to the first travel direction R1. The first guide device 24 is formed as an entry 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 firstFluid connection device 25, which is arranged on the first connecting 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 moved 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. When the quick coupling device 10 is transferred into its closed position shown in Figure 2, the actuating device 36 actuates the first protective device 26 of the first coupling half 20 through 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 electrical main connection device 22 is in electrical contact with the second electricalMain connecting 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. The first projection 331 is received in the first recess 231, and the second projection 332 is received in the second recess 232. The first fixing element 233 and the second fixing element 234 are each in their locking position. The first fixing element 233 engages behind the first projection 331 in its groove 333. The second fixing element 234 engages behind the second projection 332 in its groove 334. The first fixing device 23 is thus connected to the second fixing device 33 in a force-fitting and form-fitting manner. Figure 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 provided with aPower supply device 42 Page 42 / 55P80864WO coupled. The power supply device 42 can be a component of the induction heating device 40. The first coil 41 is located 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 electrical main connection device 22 of the first coupling half 20 of the quick-coupling device 10 is connected to the power supply device 42 and the second electrical main connection device 32 of thesecond coupling half 30 of the quick-coupling device 10 is electrically connected to the capacitor device 43. By transferring the first coil 41 into its standby 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 coil 41 can be transferred in a second coil travel direction S2 from its working position to its standby position and / or its maintenance position. The second coil travel direction S2 corresponds to the second travel direction R2 of the quick coupling device 10. Page 43 / 55P80864WO The capacitor device 43 and the first coil 41 form a coherent component, so that whenWhen transferring the first coil 41 to its standby position, essentially no relative movement occurs between the capacitor device 43 and the first coil 41. In other words, when transferring the first coil 41 between the standby position and the working position, the capacitor device 43 is also moved. Figure 4 shows the induction heating device 40 according to the second embodiment, with the first coil 41 in its standby position. In the waiting position of the first coil 41, the quick-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. In the maintenance positionThe quick-coupling device 10 is in its open position when the first coil 41 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 standby position and / or to its working position. In the maintenance position of the first coil 41, a barrier 60 is provided between the first coil 41 and the metallic workpiece 50 to secure the first coil 41. The barrier 60 is automatically removed when the first coil 41 is transferred to its standby 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 are between the in Figure 6shown working position 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 a quick-coupling device 10 is connected to the power supply device 42 and the second electricalMain 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 electrical main connection device 32 of the second coupling half 30 of this quick coupling device 10 is electrically connected to the second capacitor device 45. By transferring the first coil 41 and / or the second coil 46 into their waiting positions shown in Figure 7 and / or into their maintenance positions not shown, the quick coupling devices 10 are transferred into their open positions. By transferring the first coil 41 and / or the second coil 46 into their working position, the quick coupling devices 10 are transferred into their closed position, so that a electricA connection between the energy supply device 42 and the first coil 41 and / or the second coil 46 is automatically generated. 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 offset from one another. Figure 7 shows the induction heating device 40 according to the third embodiment, with the first coil 41 and the second coil 46 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 coil41 and a first capacitor device 44 electrically connected to the first coil 41. The induction heating device 40 has a second coil 46 and has 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 electrical main 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 electrical main connection device 32 of the second coupling half 30 of the quick coupling device 10 is electrically connected to the first capacitor device 44. By transferring the first coil 41 into its non-The quick-coupling device 10 is moved into its open position in the waiting position shown and / or in its maintenance position not shown. By moving the first coil 41 into its working 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.

[0002] Page 47 / 55 P80864WO List of Reference Symbols Quick-coupling device First coupling half First connecting surface (of the first coupling half) First electrical main connection device First fixing device First recess Second recess First fixing element Second fixing element First guide device First fluid connection device First protection device Second coupling half Second connecting surface (of the second coupling half) Second electrical main connection device Second fixing device First projection Second projection Groove (of the first projection) Groove (of the second projection) Second guide device Second fluid connection device Actuating device Induction heating device First coil Energy supply device Capacitor device First capacitor device Second capacitor device Second coil Energy transmission device Kabel Metallic workpiecePage 48 / 55P80864WO 60 BarriereR1 First travel directionR2 Second travel directionS1 First coil travel directionS2 Second coil travel direction

Claims

Seite 49 / 55 P80864WO patent claims 1. Schnellkupplungsvorrichtung (10) für eine Induktionsheiz- vorrichtung (40) zur Erwärmung von metallischen Werkstücken, wobei die Schnellkupplungsvorrichtung (10) folgende Merkmale has: - die Schnellkupplungsvorrichtung (10) weist eine erste Kupp- lungshälfte (20) auf, wobei die erste Kupplungshälfte (20) eine erste Fixiereinrichtung (23) und eine erste elektri- sche Hauptverbindungseinrichtung (22) aufweist, - die Schnellkupplungsvorrichtung (10) weist eine zu der ers- ten Kupplungshälfte (20) korrespondierende zweite Kupp- lungshälfte (30) auf, wobei die zweite Kupplungshälfte (30) eine zu der ersten Fixiereinrichtung (23) korrespondierende zweite Fixiereinrichtung (33) und eine zu der ersten elektrischen Hauptverbindungseinrichtung (22) korrespon- dierende zweite elektrische Hauptverbindungseinrichtung (32) aufweist, - die Schnellkupplungsvorrichtung (10) ist durch eine Rela- tivbewegung zwischen der ersten Kupplungshälfte (20) und der zweiten Kupplungshälfte (30) zwischen einer Offenstel- lung und einer Schließstellung überführbar, - in der Schließstellung der Schnellkupplungsvorrichtung (10) ist die erste Fixiereinrichtung (23) mit der zweiten Fixie- reinrichtung (33) kraftschlüssig verbunden und die erste elektrische Hauptverbindungseinrichtung (22) ist mit der zweiten elektrischen Hauptverbindungseinrichtung (32) elektrisch leitfähig verbunden, wobei die Schnellkupplungsvorrichtung (10) dadurch gekennzeich- net ist, dass in der Schließstellung der Schnellkupplungsvor- richtung (10) ein Strom, vorzugsweise ein Wechselstrom, mit ei- ner Stromstärke von größer oder gleich 1000 Ampere mittels der ersten elektrischen Hauptverbindungeinrichtung (22) und der zweiten elektrischen Hauptverbindungseinrichtung (32) übertrag- bar ist. Seite 50 / 55 P80864WO 2. Schnellkupplungsvorrichtung (10) nach einem der vorangegan- genen Ansprüche, dadurch gekennzeichnet, dass in der Schließ- stellung der Schnellkupplungsvorrichtung (10) die erste Fixier- einrichtung (23) mit der zweiten Fixiereinrichtung (33) kraft- schlüssig durch eine Reibschlussverbindung und / oder durch eine Unterdruckverbindung, vorzugsweise durch eine fluidmechanische Unterdruckverbindung, verbunden ist.

3. Schnellkupplungsvorrichtung (10) nach einem der vorangegan- genen Ansprüche, dadurch gekennzeichnet, dass in der Schließ- stellung der Schnellkupplungsvorrichtung (10) die erste Fixier- einrichtung (23) mit der zweiten Fixiereinrichtung (33) zusätz- lich formschlüssig verbunden ist.

4. Schnellkupplungsvorrichtung (10) nach einem der vorangegan- gen Ansprüche, durch die folgenden Merkmale gekennzeichnet: - die erste Fixiereinrichtung (23) weist eine erste Vertie- fung (231) auf, die in einer ersten Verbindungsfläche (21) der ersten Kupplungshälfte (20) ausgebildet ist; - die zweite Fixiereinrichtung (33) weist einen ersten Vor- sprung (331) auf, der sich von einer zweiten Verbindungs- fläche (31) der zweiten Kupplungshälfte (30) in Richtung der ersten Verbindungsfläche (21) der ersten Kupplungs- hälfte (20) erstreckt, und - beim Überführen der Schnellkupplungsvorrichtung (10) in die Schließstellung wird der erste Vorsprung (331) in der ers- ten Vertiefung (231) aufgenommen und hintergriffen, so dass die erste Fixiereinrichtung (23) mit der zweiten Fixierein- richtung in der Schließstellung der Schnellkupplungsvor- richtung (10) formschlüssig verbunden ist.

5. Schnellkupplungsvorrichtung (10) nach einem der vorangegan- genen Ansprüche, durch die folgenden Merkmale gekennzeichnet: Seite 51 / 55 P80864WO - die erste Kupplungshälfte (20) weist eine erste Führungs- einrichtung (24) und die zweite Kupplungshälfte (30) weist eine zu der ersten Führungseinrichtung (24) korrespondie- rende zweite Führungseinrichtung (34) auf, und - die erste Kupplungshälfte (20) und die zweite Kupplungs- hälfte (30) werden beim Überführen der Schnellkupplungsvor- richtung (10) in deren Schließstellung von der ersten Füh- rungseinrichtung (24) und der zweiten Führungseinrichtung(34) bezüglich zumindest einer Querrichtung zu der ersten Verfahrrichtung (R1) geführt, vorzugsweise zentriert ge- leads.

6. Schnellkupplungsvorrichtung (10) nach einem der vorangegan- genen Ansprüche, dadurch gekennzeichnet, dass - die erste Kupplungshälfte (20) eine erste Fluidverbindungs- einrichtung (25) und die zweite Kupplungshälfte (30) eine zu der ersten Fluidverbindungseinrichtung (25) korrespon- dierende zweite Fluidverbindungseinrichtung (35) aufweist, - wobei in der Schließstellung der Schnellkupplungsvorrich- tung (10) die erste Fluidverbindungseinrichtung (25) mit der zweiten Fluidverbindungseinrichtung (35) fluidverbunden is.

7. Schnellkupplungsvorrichtung (10) nach einem der vorangegan- genen Ansprüche, dadurch gekennzeichnet, dass - die erste Kupplungshälfte (20) eine erste elektrische Ne- benverbindungseinrichtung und die zweite Kupplungshälfte (30) eine zu der ersten elektrischen Nebenverbindungsein- richtung korrespondierende zweite elektrische Nebenverbin- dungseinrichtung aufweist, - wobei in der Schließstellung der Schnellkupplungsvorrich- tung (10) die erste elektrische Nebenverbindungseinrichtung mit der zweiten elektrischen Nebenverbindungseinrichtung elektrisch leitfähig verbunden ist. Seite 52 / 55 P80864WO 8. Induktionsheizvorrichtung (40) zur Erwärmung von metalli- schen Werkstücken, aufweisend zumindest eine zwischen einer War- teposition und einer Arbeitsposition überführbare erste Spule (41) zur Erzeugung eines Magnetfeldes zur Erwärmung eines me- tallischen Werkstücks (50), wobei die Induktionsheizvorrichtung (40) durch folgende Merkmale gekennzeichnet ist: - die Induktionsheizvorrichtung (40) weist eine erste Schnellkupplungsvorrichtung (10) nach einem der vorherge- henden Ansprüche auf; - die zumindest eine erste Spule (41) ist mit einer Energie- versorgungseinrichtung (42) mittels der ersten Schnellkupp- lungsvorrichtung (10) elektrisch verbindbar, - wobei die erste elektrische Hauptverbindungseinrichtung (22) der ersten Kupplungshälfte (20) der ersten Schnell- kupplungsvorrichtung (10) mit der Energieversorgungsein- richtung (42) oder mit der ersten Spule (41) elektrisch verbunden ist, und - wobei die zweite elektrische Hauptverbindungseinrichtung (32) der zweiten Kupplungshälfte (30) der ersten Schnell- kupplungsvorrichtung (10) mit der ersten Spule (41) oder mit der Energieversorgungseinrichtung (42) elektrisch ver- bunden ist; - durch Überführen der ersten Spule (41) in deren Warteposi- tion wird die erste Schnellkupplungsvorrichtung (10) in de- ren Offenstellung überführt; und - durch Überführen der ersten Spule (41) in deren Arbeitspo- sition wird die erste Schnellkupplungsvorrichtung (10) in deren Schließstellung überführt, so dass eine elektrische Verbindung zwischen der Energieversorgungseinrichtung (42) und der ersten Spule (41) automatisch erzeugt wird.

9. Induktionsheizvorrichtung (40) nach Anspruch 8, dadurch ge- kennzeichnet, dass die erste Spule (41) durch Verfahren entlang einer ersten Spulenverfahrrichtung (S1) in deren Arbeitsposition überführbar ist. Seite 53 / 55 P80864WO 10. Induktionsheizvorrichtung (40) nach einem der Ansprüche 8 oder 9, dadurch gekennzeichnet, dass die Induktionsheizvorrich- tung (40) eine zweite Spule aufweist, die der ersten Spule (41) gegenüberliegend angeordnet ist, sodass metallische Werkstücke (50) zwischen der ersten Spule (41) und der zweiten Spule posi- tionierbar sind.

11. Induktionsheizvorrichtung (40) nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass die erste Spule (41) mittels eines elektrischen und / oder hydraulischen und / oder pneumatischen Aktuators zwischen einer Warteposition und einer Arbeitsposition überführbar ist.

12. Induktionsheizvorrichtung (40) nach einem der Ansprüche 8 bis 11, dadurch gekennzeichnet, dass die Induktionsheizvorrich- tung (40) eine Kühleinrichtung aufweist, wobei die erste Spule (41) mittels Kühlfluidleitungen mit der Kühleinrichtung fluid- verbunden ist.

13. Induktionsheizvorrichtung (40) nach einem der Ansprüche 8bis 12, dadurch gekennzeichnet, dass die erste Spule (41) in eine Wartungsposition überführbar ist, wobei durch Überführen der ersten Spule (41) von der Arbeitsposition in die Wartungs- position die erste Schnellkupplungsvorrichtung (10) automatisch in deren Offenstellung überführt wird.

14. Produktionslinie zur Herstellung und / oder Verarbeitung von metallischen Werkstücken, aufweisend zumindest eine Induktions- heizvorrichtung (40) gemäß einem der Ansprüche 8 bis 13 und zumindest eine Verarbeitungseinrichtung zum Verarbeiten von me- tallischen Werkstücken. Seite 54 / 55 P80864WO 15. Verfahren zur Wartung einer Induktionsheizvorrichtung (40) nach einem der Ansprüche 8 bis 13 unter Verwendung einer Schnell- kupplungsvorrichtung (10) nach einem der Ansprüche 1 bis 7, wobei das Verfahren die nachfolgenden Verfahrensschritte aufweist: - Überführen der ersten Spule (41) in eine Wartungsposition, and - Bereitstellen einer Barriere (60) zwischen einem Wartungs- bereich und einem Arbeitsbereich der ersten Spule (41) zur Sicherung des Wartungsbereichs.

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