CN114309114A - Superconducting induction heating device with motor system for production line - Google Patents
Superconducting induction heating device with motor system for production line Download PDFInfo
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- 229910000851 Alloy steel Inorganic materials 0.000 description 1
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Abstract
The invention provides a superconducting induction heating device with a motor system for a production line. The superconducting magnet system generates a strong static magnetic field in a heating air gap space, workpieces are conveyed in the mechanical conveying system through the PLC control system, after the heating workpieces are conveyed to a designated area, the PLC control system controls the non-magnetic hydraulic supporting system to convey the heating workpieces to a heating area, the rotating motor clamps and fixes the heating workpieces through the non-magnetic chuck, the rotating motor rotates in the heating air gap and cuts magnetic induction lines generated by the superconducting magnet, eddy current loss is generated in the metal workpieces, and then joule heat is generated, so that the metal workpieces are heated. The rotating motor can adopt a high-power direct drive motor, a double motor with a speed reducer, a driving mode with a flywheel for energy storage and a main and auxiliary double motor starting system. The system may select the appropriate motor system based on different torque levels and power distribution requirements.
Description
Technical Field
The invention relates to a superconducting induction heating device with a motor system for a production line, which belongs to the field of metal heat treatment and is used for steel making, aluminum treatment, hot calendaring of various nonferrous/ferrous metals and the like.
Background
China is a large country for metal smelting and deep processing, the energy consumption accounts for more than 30 percent of the whole country, a fuel gas heating method is used in 80 percent of aluminum industrial factories in the whole country, the fuel gas heating method is difficult to control the temperature distribution of workpieces, the temperature of the workpieces is mostly heated in a heat transfer mode from outside to inside, the uniformity of the heating temperature is poor, the difference between the inside temperature and the outside temperature is large, the fuel gas heating method is suitable for small and medium-sized extruder production lines smaller than 30MN, in the extrusion production line more than 30MN, an induction heating mode is mostly adopted, the traditional induction heating device adopts a magnet coil wound by metal copper to be introduced with alternating current, a metal workpiece is arranged in the magnet coil, an alternating magnetic field induces eddy current in the metal workpiece, and then generate joule heat thereby heating metal work piece, but higher frequency alternating current can lead to metal work piece less diathermy degree of depth, leads to metal work piece still to produce great core table difference in temperature.
The superconducting induction heating technology is suitable for various metal materials including low-carbon steel, alloy steel, electrical steel, aluminum alloy, magnesium alloy, nickel-chromium-iron alloy and other nonferrous/ferrous metals because of excellent heating quality, and the traditional induction heating technology is mainly suitable for heating aluminum alloy because of low heating quality and small diathermy effect.
The rotating motor system drags the load workpiece to rotate in the heating air gap and cuts the magnetic induction lines, the rotating speed of the motor can be adjusted to enable the workpiece to generate different heating frequencies in the heating process, so that different heat penetration depths can be generated in the workpiece, the eddy current effect can be increased by adjusting the magnetic induction intensity through the superconducting induction heating technology, and the workpiece can generate more uniform axial temperature distribution in the heating process.
Because the load workpiece is in a static magnetic field, the motor needs to overcome rated torque which is more than 1 time in the starting and normal operation processes, and the load torque generated is different due to different magnetic induction intensities in the environment where the metal workpiece is located. The required motor not only needs to overcome large torque, but also needs to meet the stable working condition of low-speed operation.
Disclosure of Invention
The invention aims to adopt an external motor system to convey, rotate and heat a metal workpiece in a superconducting induction heating device. In the production work, the feeding, heating and discharging processes of metal workpieces are unmanned operation flows, so that each part needs a PLC control system to allocate a rotating motor, a conveying system and a non-magnetic hydraulic supporting system, the conveying system and the non-magnetic hydraulic supporting system are controlled by a servo motor, and the rotating motor in the heating system can adopt a high-power direct-drive motor, a double-motor with a speed reducer, a driving mode with a flywheel for energy storage and a main-auxiliary double-motor starting system. The system may select the appropriate motor system based on different torque levels and power distribution requirements.
The invention adopts the following technical scheme:
a superconducting induction heating apparatus for a motorized system of a production line, comprising: the system comprises a superconducting magnet system, a refrigerator, an end iron yoke system, an adjustable space air gap iron yoke system, a metal workpiece, a rotating motor system, a mechanical transmission system, a non-magnetic hydraulic support system, a heating air gap space, a non-magnetic chuck clamp, a non-magnetic roller way system and a remote operation platform;
the end iron yoke system comprises an iron core structure arranged in a room temperature hole of the superconducting magnet system, iron yokes at two ends are placed at the top end and the bottom end of the superconducting magnet system, and an iron yoke placed at the top end of the superconducting magnet system and an adjustable space air gap iron yoke system placed at one side form a heating air gap space; the refrigerator is arranged on the superconducting magnet system and is used for providing a low-temperature environment for the superconducting magnet system to operate;
after the metal workpiece is conveyed to the heating area by the mechanical conveying system, the metal workpiece is fixed by a non-magnetic chuck fixture which is connected with the rotating motor system; the non-magnetic hydraulic support system is positioned at the lower side of the heating air gap space and comprises a non-magnetic roller way system;
the mechanical transmission systems are positioned at the front end and the rear end of the non-magnetic hydraulic support system and connected with the non-magnetic hydraulic support system, and the metal workpiece is transmitted in the mechanical transmission systems and the non-magnetic hydraulic support system before and after heating;
the process of adjusting the heating air gap space by the adjustable space air gap iron yoke system is controlled by a remote operation platform.
Furthermore, the rotating motor system adopts a high-power direct-drive motor system which comprises a high-power direct-drive motor, the high-power direct-drive motor is directly connected with the metal workpiece and drags the metal workpiece to rotate at a required rotating speed, when the high-power direct-drive motor is started, the influence of peak torque is firstly overcome, and after the high-power direct-drive motor reaches a rated rotating speed, the high-power direct-drive motor stably operates at normal operating power so as to adapt to an environment with smaller electromagnetic torque.
Furthermore, the rotating motor system adopts a main motor system and an auxiliary motor system with speed reducers, and comprises a main motor, a main motor side speed reducer, an auxiliary motor side speed reducer and a metal workpiece side clutch, wherein the main motor is connected with the main motor side speed reducer, the auxiliary motor is connected with the auxiliary motor side speed reducer, and the metal workpiece is connected with the main motor side speed reducer and the auxiliary motor side speed reducer; in the starting process of the rotating motor system, the auxiliary motor is matched with the output torque through the auxiliary motor side speed reducer to drag the metal workpiece to rotate, after the metal workpiece reaches a certain rotating speed, the metal workpiece is separated from the auxiliary motor side speed reducer through the metal workpiece side clutch, and the main motor is matched with the main motor side speed reducer to drag the metal workpiece to rotate, so that the metal workpiece can stably run to overcome overload current generated by peak torque, and the rotating motor system is suitable for application occasions with special power distribution requirements and environments needing to overcome large electromagnetic torque.
Furthermore, the rotating motor system adopts a main motor system and an auxiliary motor system with a flywheel, and comprises a main motor and an auxiliary motor, a main motor side speed reducer, an auxiliary motor side speed reducer, a metal workpiece side clutch, an auxiliary motor side clutch and the flywheel, wherein in the working process of the rotating motor system, the main motor is connected with a metal workpiece through the main motor side speed reducer, the metal workpiece is connected with the flywheel through the metal workpiece side clutch, and the flywheel is connected with the auxiliary motor side speed reducer and the auxiliary motor through the auxiliary motor side clutch; when the output torque of the main motor can independently drive the metal workpiece to rotate, the metal workpiece side clutch is separated from the flywheel, the auxiliary motor side clutch is separated, and the metal workpiece is dragged by the main motor to rotate to cut magnetic induction lines, so that the metal workpiece is suitable for an environment needing to overcome large electromagnetic torque.
Furthermore, the rotary motor system is prepared and used by adopting a main motor and an auxiliary motor, and comprises the main motor, the auxiliary motor, an auxiliary motor side clutch and a metal workpiece which are connected, the auxiliary motor drives the metal workpiece to rotate and start in the starting process of the rotary motor system, after a certain rotating speed is reached, the metal workpiece is separated from the auxiliary motor through the auxiliary motor side clutch, the main motor drives the metal workpiece to rotate, and the rotary motor system stably runs at the certain rotating speed so as to be prepared and suitable for the environment with the electromagnetic torque in a middle and small range according to the power of the motors.
Furthermore, the rotating motor system adopts a permanent magnet synchronous motor or an asynchronous motor to drag the metal workpiece to rotate at a certain rotating speed, and selection is carried out according to the requirements of load electromagnetic torque and system power;
the mechanical conveying system consists of a plurality of roller ways and is used for conveying metal workpieces, each group of roller ways is provided with a conveying motor and a control system, and the mechanical conveying system stops conveying after the metal workpieces reach a position area;
the non-magnetic hydraulic support system comprises a non-magnetic roller way system with a plurality of non-magnetic roller ways, after the metal workpiece is transmitted to the non-magnetic hydraulic support system through the mechanical transmission system, the non-magnetic roller ways stretch through the non-magnetic hydraulic support system, the metal workpiece is sent to a heating air gap space, and the next step of treatment is carried out;
the mechanical transmission system and the non-magnetic hydraulic support system adopt servo motors for transmission and allocation.
Further, the superconducting magnet system comprises a superconducting magnet coil, a cryogenic container, a vacuum container, a liquid conveying neck pipe and a superconducting switch; the superconducting magnet coil adopts a solenoid coil, a runway coil or a saddle coil; the superconducting magnet coil is placed in a low-temperature container, the low-temperature container is supported in the vacuum container through a pull rod, and the refrigerator provides a low-temperature environment required by the superconducting magnet coil; meanwhile, the vacuum container is connected with the low-temperature container and sealed;
a superconducting magnet system in the superconducting induction heating device adopts a conduction cooling refrigeration mode;
when the superconducting magnet system operates, the vacuum container is firstly vacuumized, then the low-temperature container is cooled by the refrigerator, the superconducting magnet coil is electrified and excited after the temperature required by the operation of the superconducting magnet coil is reached, and the superconducting switch is closed after the target magnetic induction intensity and the target current value are reached, so that the superconducting magnet operates in a closed loop mode without external power supply.
Further, a non-magnetic roller way system and a non-magnetic chuck fixture in the superconducting induction heating device are made of non-magnetic stainless steel 304.
Furthermore, a non-magnetic roller way system in the superconducting induction heating device is driven by a motor; the motor adopts servo motor, carries out control regulation through outside PLC system.
Further, when the superconducting induction heating device is in operation, a metal workpiece to be heated is conveyed to a non-magnetic roller way of a non-magnetic roller way system at the lower end of the heating area through a mechanical conveying system, the non-magnetic roller way lifts the metal workpiece to a heating air gap space through a non-magnetic hydraulic supporting device, non-magnetic chuck fixtures at two ends of the heating air gap space clamp the metal workpiece, rotating motor systems at two ends drag the metal workpiece to rotate in the heating air gap space to cut magnetic induction lines for heating, after the metal workpiece is heated to a target temperature, the rotating motor systems stop rotating, the non-magnetic chuck fixtures are separated from the metal workpiece, the metal workpiece descends to the non-magnetic roller way of the non-magnetic roller way system at the lower end of the heating air gap space through the non-magnetic hydraulic supporting system, the metal workpiece is conveyed out through the non-magnetic roller way, and the next step of processing is carried out.
Has the advantages that:
the invention aims to adopt an external motor system to convey, rotate and heat a metal workpiece in a superconducting induction heating device. In the production work, the feeding, heating and discharging processes of metal workpieces are unmanned operation flows, so that each part needs a PLC control system to allocate a rotating motor, a conveying system and a non-magnetic hydraulic supporting system, the conveying system and the non-magnetic hydraulic supporting system are controlled by a servo motor, and the rotating motor in the heating system can adopt a high-power direct-drive motor, a double-motor with a speed reducer, a driving mode with a flywheel for energy storage and a main-auxiliary double-motor starting system. The system can select suitable motor system according to different torque sizes and power distribution requirements, and different heat penetration depths can be generated in the metal workpiece by adjusting the rotating speed of the rotating motor, so that different heating effects are generated.
Drawings
FIG. 1 is a schematic structural view of a superconducting induction heating apparatus with a motor system for a production line according to an embodiment of the present invention;
in the figure: the system comprises a superconducting magnet system 1, a refrigerator 2, an end iron yoke system 3, an adjustable space air gap iron yoke system 4, a metal workpiece 5, a main rotating motor system 6, an auxiliary rotating motor system 7, a mechanical transmission system 8, a non-magnetic hydraulic support system 9, a heating air gap space 10, a non-magnetic chuck clamp 11, a non-magnetic roller way system 12 and a remote operation platform 13.
Fig. 2 is a schematic view of an adjustable space air gap iron yoke.
Fig. 3 is a schematic view of a workpiece transport system comprising a transport system 8 and a non-magnetic hydraulic support system 9 and a non-magnetic roller system 12.
Fig. 4 is a rotary electric machine system, which may be constituted by the main and auxiliary two-motor systems 6, 7; can be composed of a main and auxiliary double-motor system 6, 7 with a speed reducer; can be composed of main and auxiliary double-motor systems 6 and 7 with flywheel devices; can be composed of a high-power direct-drive single motor system 6 or 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, a superconducting induction heating apparatus with a motor system for a production line includes a superconducting magnet system 1, a refrigerator 2, an end iron yoke system 3, an adjustable space air gap iron yoke system 4, a metal workpiece 5, a main rotating electrical machine system 6, an auxiliary rotating electrical machine system 7, a mechanical transmission system 8, a non-magnetic hydraulic support system 9, a heating air gap space 10, a non-magnetic chuck fixture 11, a non-magnetic roller way system 12, and a remote operation platform 13. The end iron yoke system 3 comprises an iron core structure arranged in a room temperature hole of the superconducting magnet system 1, iron yokes at two ends of the end iron yoke system are arranged at two ends of the top and the bottom of the superconducting magnet system, and an iron yoke arranged at the top end of the superconducting magnet system and an adjustable space air gap iron yoke system 4 arranged at one side form a heating air gap space 10; the refrigerator 2 is arranged on the superconducting magnet system 1 and is used for providing a low-temperature environment for the superconducting magnet 1 to operate; after the metal workpiece 5 is conveyed to the heating area by the mechanical conveying system 8, the metal workpiece 5 is fixed by a non-magnetic chuck clamp 11, and the non-magnetic chuck clamp 11 is connected with the rotating motor systems 6 and 7; the non-magnetic hydraulic support system 9 is positioned at the lower side of the heating air gap space 10 and comprises a non-magnetic roller way system 12; the mechanical transmission systems 8 are positioned at the front end and the rear end of the non-magnetic hydraulic support system 9 and connected with the non-magnetic hydraulic support system 9, and the metal workpiece 5 can be transmitted in the mechanical transmission systems 8 and the non-magnetic hydraulic support system 9 before and after heating; the rotating motor system can place the motor at the upper end of the mechanical transmission system 8 according to the actual power of the motor, and can also be placed separately from the mechanical transmission system 8 and beside the mechanical transmission system 8.
The superconducting magnet system 1 comprises a superconducting magnet coil, a low-temperature container, a vacuum container, a superconducting switch and the like; the superconducting magnet coil is wound by superconducting materials and placed in a low-temperature container, the low-temperature container is supported in the vacuum container by a pull rod made of epoxy resin materials, and the superconducting magnet coil is cooled by a refrigerator 2 to provide a required low-temperature environment.
The end iron yoke system 3 and the adjustable space air gap iron yoke system 4 are made of DT4c electrical pure iron materials, the end iron yoke system 3 comprises an iron core structure in a room temperature hole of the superconducting magnet system 1, iron yokes at two ends are placed at two sides of the superconducting magnet system 1, and the iron yoke placed at the top end of the superconducting magnet system 1 and the adjustable space air gap iron yoke system 4 placed at one side form a heating air gap space 10.
The superconducting magnet system 1 generates a stable strong static magnetic field after being electrified and excited, and the magnetic field can be collected in the heating air gap space 10 through the end iron yoke system 3 and the adjustable space air gap iron yoke system 4.
When the superconducting induction heating device runs, a vacuum container in a superconducting magnet system 1 needs to be vacuumized, and then a superconducting magnet coil is cooled through a refrigerator 2, so that a low-temperature environment required by the running of the superconducting magnet is provided; and then the superconducting magnet system is electrified and excited, and the superconducting switch is closed after the target current value is reached, so that the superconducting magnet operates in a closed loop without external power supply. During operation, when the magnetic induction reaches a target value, the PLC control system is used for allocating the main rotating motor system 6, the auxiliary rotating motor system 7, the mechanical transmission system 8 and the non-magnetic hydraulic support system 9 through the remote operation platform 13. The mechanical transmission system 8 adopts a motor chain gear transmission, a PLC control system controls a motor to provide power to drive a driving wheel to rotate through a remote operation platform 13, chains at two sides are driven to rotate, the chains drive two rows of small gears to rotate simultaneously, so that the idler wheel between every two small gears rotates clockwise to drive the metal workpiece 5 to move forwards and reach the position of the non-magnetic hydraulic supporting system 9, the non-magnetic hydraulic cylinder guide rod can lift the metal workpiece to the center of the non-magnetic chuck clamp 11, the main and auxiliary rotating motor systems 6 and 7 are started to enable the non-magnetic chuck clamp 11 to clamp the metal workpiece 5 and rotate, the metal workpiece 5 is heated, after the metal workpiece is heated to the required temperature, the non-magnetic chuck clamp 11 is separated from the metal workpiece 5, the non-magnetic hydraulic supporting system 9 enables the metal workpiece 5 to reach the original plane, and then the metal workpiece 5 is conveyed out through the mechanical conveying system 8.
Furthermore, the mechanical transmission system 8 and the non-magnetic hydraulic support system 9 adopt servo motors for transmission and allocation.
The rotary motor system can adopt a high-power direct-drive motor system which comprises a high-power direct-drive motor, a metal workpiece 5 and the like, wherein the high-power direct-drive motor is directly connected with the metal workpiece 5 and drags the metal workpiece 5 to rotate at a required rotating speed, when the high-power direct-drive motor is started, the influence of peak torque is firstly overcome, after the rated rotating speed is reached, the high-power direct-drive motor stably operates at operating power, and the high-power direct-drive motor is suitable for operating in a smaller electromagnetic torque environment.
The rotating motor system can adopt a main motor system 6 and an auxiliary double motor system 7 with speed reducers, and comprises a main motor 6 consisting of a main motor side speed reducer, an auxiliary motor side speed reducer, a metal workpiece side clutch, a metal workpiece 5 and the like. The main motor is connected with the main motor side speed reducer, the auxiliary motor is connected with the auxiliary motor side speed reducer, and the metal workpiece 5 is connected with the main and auxiliary side speed reducers. In the starting process of the main motor system 6 and the auxiliary motor system 7, the auxiliary motor drags the metal workpiece 5 to rotate by matching the auxiliary motor side speed reducer with the output torque, after a certain rotating speed is reached, the metal workpiece 5 is separated from the auxiliary motor side speed reducer by the metal workpiece side clutch, and the main motor side speed reducer are matched to drag the metal workpiece 5 to rotate, so that the stable operation can be realized. The method can overcome the overload current generated by the peak torque, is suitable for the application occasions with special power distribution requirements, and is suitable for the environment needing to overcome the large electromagnetic torque.
The rotating motor system can adopt a main motor system 6 and an auxiliary motor system 7 with flywheel devices, and comprises a main motor, an auxiliary motor, a main motor side speed reducer, an auxiliary motor side speed reducer, a metal workpiece side clutch, an auxiliary motor side clutch, a flywheel and other components. In the working process of the rotating motor, the main motor is connected with the metal workpiece 5 through the main motor side speed reducer, the metal workpiece 5 is connected with the flywheel through the metal workpiece side clutch, and the flywheel is connected with the auxiliary motor side speed reducer and the auxiliary motor through the auxiliary motor side clutch. When the output torque of the main motor can independently drive the metal workpiece 5 to rotate, the metal workpiece side clutch is separated from the flywheel, the auxiliary motor side clutch is separated, and the metal workpiece 5 is dragged by the main motor to rotate to cut magnetic induction lines. This method is suitable for the large electromagnetic torque that needs to be overcome.
The rotary motor system can be prepared and used by adopting a main motor and an auxiliary motor, the system comprises the main motor, the auxiliary motor, an auxiliary motor side clutch, a metal workpiece 5 and the like which are connected, the auxiliary motor drives the metal workpiece 5 to rotate and start in the starting process of the rotary motor system, after a certain rotating speed is reached, the metal workpiece 5 is separated from the auxiliary motor through the auxiliary motor side clutch, the main motor drags the metal workpiece 5 to rotate, and the rotary motor stably runs at the certain rotating speed. The method is suitable for the environment with medium and small range of electromagnetic torque according to the power adjustment of the motor.
The rotating motor system adopts a permanent magnet synchronous motor or an asynchronous motor to drag the metal workpiece 5 to rotate at a certain rotating speed, and the type selection of the rotating motor system can be selected according to the requirements of load electromagnetic torque, system power and the like.
The adjustable space air gap yoke system 4 is formed by arranging a plurality of yoke components, the yoke components can move transversely to form heating spaces with different air gap configurations, linear gradient shapes, middle convex shapes, middle concave shapes and the like can be formed, the heating air gap spaces 10 with different configurations can generate different temperature distributions in the metal workpiece 5, and the adjustable space air gap yoke system can be suitable for the metal workpieces 5 with different temperature heating requirements.
The adjustable space air gap yoke system 4 can be controlled by a remote operation platform 13 when adjusting the heating air gap space 10, and is allocated by a PLC control system to form the required heating air gap space 10, so that the axial temperature gradient distribution in the metal workpiece 5 is realized.
The PLC control system regulates and controls a mechanical transmission system 8, a non-magnetic hydraulic supporting system 9, a rotating motor system, an adjustable air gap space iron yoke system 4 and the like in the superconducting induction heating device.
The PLC control system conveys the metal workpiece 5 to the lower end of a heating air gap space 10 by controlling the rotating speed of a servo motor in the conveying system, controls a non-magnetic hydraulic supporting system 9 to lift the metal workpiece 5 to the heating air gap space 10, regulates the rotating speed, the starting sequence and an adjustable space air gap iron yoke system 4 of a rotating motor system after the metal workpiece 5 is clamped by a non-magnetic chuck clamp 11, the rotating motor system drags the metal workpiece 5 to rotate and heat in the heating air gap space 10, the non-magnetic chuck clamp 11 is separated from the metal workpiece 5 after the target temperature is reached, the non-magnetic hydraulic supporting system 9 conveys the metal workpiece 5 to the lower end of a heating area, and regulates a mechanical conveying system 8 to convey the metal workpiece 5 out.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A superconducting induction heating apparatus with motor system for a production line, characterized by:
the superconducting induction heating device comprises a superconducting magnet system, a refrigerator, an end iron yoke system, an adjustable space air gap iron yoke system, a metal workpiece, a rotating motor system, a mechanical transmission system, a non-magnetic hydraulic support system, a heating air gap space, a non-magnetic chuck clamp, a non-magnetic roller way system and a remote operation platform;
the end iron yoke system comprises an iron core structure arranged in a room temperature hole of the superconducting magnet system, iron yokes at two ends are placed at the top end and the bottom end of the superconducting magnet system, and an iron yoke placed at the top end of the superconducting magnet system and an adjustable space air gap iron yoke system placed at one side form a heating air gap space; the refrigerator is arranged on the superconducting magnet system and is used for providing a low-temperature environment for the superconducting magnet system to operate;
after the metal workpiece is conveyed to the heating area by the mechanical conveying system, the metal workpiece is fixed by a non-magnetic chuck fixture which is connected with the rotating motor system; the non-magnetic hydraulic support system is positioned at the lower side of the heating air gap space and comprises a non-magnetic roller way system;
the mechanical transmission systems are positioned at the front end and the rear end of the non-magnetic hydraulic support system and connected with the non-magnetic hydraulic support system, and the metal workpiece is transmitted in the mechanical transmission systems and the non-magnetic hydraulic support system before and after heating;
the process of adjusting the heating air gap space by the adjustable space air gap iron yoke system is controlled by a remote operation platform;
the rotating electrical machine system is selected based on torque magnitude and power distribution requirements to produce different heat penetration depths and different heating effects in the metal workpiece by adjusting the rotational speed of the rotating electrical machine system.
2. The superconducting induction heating apparatus with motor system for a production line according to claim 1, characterized in that:
the rotating motor system adopts a high-power direct-drive motor system which comprises a high-power direct-drive motor, the high-power direct-drive motor is directly connected with a metal workpiece and drags the metal workpiece to rotate at a required rotating speed, when the high-power direct-drive motor is started, the influence of peak torque is firstly overcome, and after the high-power direct-drive motor reaches a rated rotating speed, the high-power direct-drive motor stably operates at normal operating power so as to adapt to an environment with smaller electromagnetic torque.
3. The superconducting induction heating apparatus with motor system for a production line according to claim 1, characterized in that:
the rotary motor system adopts a main motor and auxiliary motor system with speed reducers, and comprises a main motor, a main motor side speed reducer, an auxiliary motor side speed reducer and a metal workpiece side clutch, wherein the main motor is connected with the main motor side speed reducer, the auxiliary motor is connected with the auxiliary motor side speed reducer, and the metal workpiece is connected with the main motor side speed reducer and the auxiliary motor side speed reducer; in the starting process of the rotating motor system, the auxiliary motor is matched with the output torque through the auxiliary motor side speed reducer to drag the metal workpiece to rotate, after the metal workpiece reaches a certain rotating speed, the metal workpiece is separated from the auxiliary motor side speed reducer through the metal workpiece side clutch, and the main motor is matched with the main motor side speed reducer to drag the metal workpiece to rotate, so that the metal workpiece can stably run to overcome overload current generated by peak torque, and the rotating motor system is suitable for application occasions with special power distribution requirements and environments needing to overcome large electromagnetic torque.
4. The superconducting induction heating apparatus with motor system for a production line according to claim 1, characterized in that:
the rotary motor system adopts a main motor system and an auxiliary motor system with a flywheel, and comprises a main motor, an auxiliary motor, a main motor side speed reducer, an auxiliary motor side speed reducer, a metal workpiece side clutch, an auxiliary motor side clutch and the flywheel, wherein in the working process of the rotary motor system, the main motor is connected with a metal workpiece through the main motor side speed reducer, the metal workpiece is connected with the flywheel through the metal workpiece side clutch, and the flywheel is connected with the auxiliary motor side speed reducer and the auxiliary motor through the auxiliary motor side clutch; when the output torque of the main motor can independently drive the metal workpiece to rotate, the metal workpiece side clutch is separated from the flywheel, the auxiliary motor side clutch is separated, and the metal workpiece is dragged by the main motor to rotate to cut magnetic induction lines, so that the metal workpiece is suitable for an environment needing to overcome large electromagnetic torque.
5. The superconducting induction heating apparatus with motor system for a production line according to claim 1, characterized in that:
the rotary motor system is used by allocating a main motor and an auxiliary motor, and comprises the main motor, the auxiliary motor, an auxiliary motor side clutch and a metal workpiece which are connected, wherein the auxiliary motor drives the metal workpiece to rotate and start in the starting process of the rotary motor system, after a certain rotating speed is reached, the metal workpiece is separated from the auxiliary motor through the auxiliary motor side clutch, the main motor drives the metal workpiece to rotate, and the rotary motor system stably runs at the certain rotating speed so as to allocate the environment suitable for the electromagnetic torque in a middle and small range according to the power of the motors.
6. The superconducting induction heating apparatus with motor system for a production line according to claim 1, characterized in that:
the rotating motor system adopts a permanent magnet synchronous motor or an asynchronous motor to drag a metal workpiece to rotate at a certain rotating speed, and selection is performed according to the load electromagnetic torque and the system power requirement;
the mechanical conveying system consists of a plurality of roller ways and is used for conveying metal workpieces, each group of roller ways is provided with a conveying motor and a control system, and the mechanical conveying system stops conveying after the metal workpieces reach a position area;
the non-magnetic roller way system is provided with a plurality of non-magnetic roller ways, after the metal workpieces are conveyed to the non-magnetic hydraulic supporting system through the mechanical conveying system, the non-magnetic roller ways stretch through the non-magnetic hydraulic supporting system, the metal workpieces are conveyed into a heating air gap space, and the next step of treatment is carried out;
the mechanical transmission system and the non-magnetic hydraulic support system adopt servo motors for transmission and allocation.
7. The superconducting induction heating apparatus with motor system for a production line according to claim 1, characterized in that:
the superconducting magnet system comprises a superconducting magnet coil, a low-temperature container, a vacuum container, a liquid conveying neck pipe and a superconducting switch; the superconducting magnet coil adopts a solenoid coil, a runway coil or a saddle coil; the superconducting magnet coil is placed in a low-temperature container, the low-temperature container is supported in the vacuum container through a pull rod, and the refrigerator provides a low-temperature environment required by the superconducting magnet coil; meanwhile, the vacuum container is connected with the low-temperature container and sealed;
a superconducting magnet system in the superconducting induction heating device adopts a conduction cooling refrigeration mode;
when the superconducting magnet system operates, the vacuum container is firstly vacuumized, then the low-temperature container is cooled by the refrigerator, the superconducting magnet coil is electrified and excited after the temperature required by the operation of the superconducting magnet coil is reached, and the superconducting switch is closed after the target magnetic induction intensity and the target current value are reached, so that the superconducting magnet operates in a closed loop mode without external power supply.
8. The superconducting induction heating apparatus with motor system for a production line according to claim 1, characterized in that:
the non-magnetic roller way system and the non-magnetic chuck fixture are made of non-magnetic stainless steel 304.
9. The superconducting induction heating apparatus with motor system for a production line according to claim 1, characterized in that:
the non-magnetic roller way system in the superconducting induction heating device is driven by a motor; the motor adopts servo motor, carries out control regulation through outside PLC system.
10. The superconducting induction heating apparatus with motor system for a production line according to claim 1, characterized in that:
the superconducting induction heating device is operated, metal workpieces to be heated are conveyed to a non-magnetic roller way of a non-magnetic roller way system at the lower end of a heating area through a mechanical conveying system, the non-magnetic roller way lifts the metal workpieces to a heating air gap space through a non-magnetic hydraulic supporting device, non-magnetic chuck fixtures at two ends of the heating air gap space clamp the metal workpieces, rotating motor systems at two ends drag the metal workpieces to rotate in the heating air gap space to cut magnetic induction lines for heating, after the metal workpieces are heated to a target temperature, the rotating motor systems stop rotating, the non-magnetic chuck fixtures are separated from the metal workpieces, the metal workpieces descend to the non-magnetic roller way of the non-magnetic roller way system at the lower end of the heating air gap space through the non-magnetic hydraulic supporting system, the metal workpieces are conveyed out through the non-magnetic roller way, and next processing work is to be carried out.
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| CN202210014223.8A CN114309114A (en) | 2022-01-06 | 2022-01-06 | Superconducting induction heating device with motor system for production line |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52755A (en) * | 1975-06-24 | 1977-01-06 | Fuji Electric Co Ltd | Method and device for die heating |
| CN103916055A (en) * | 2014-02-18 | 2014-07-09 | 上海超导科技股份有限公司 | Superconductivity direct-current induction heating motor starting device based on reduction gearbox and method thereof |
| CN203747700U (en) * | 2014-02-18 | 2014-07-30 | 上海超导科技股份有限公司 | Demagnetization-based superconductive direct-current induction heating motor starting device |
| CN105071703A (en) * | 2015-06-24 | 2015-11-18 | 李泽华 | Reduction gearbox-based superconductive direct-current induction heating motor starting device |
| US20210039149A1 (en) * | 2019-08-05 | 2021-02-11 | Samsung Electronics Co., Ltd. | Extrusion apparatus and method for manufacturing aluminum capillary tube using same |
| CN113825269A (en) * | 2021-09-29 | 2021-12-21 | 中国科学院电工研究所 | Superconducting induction heating system for production line |
-
2022
- 2022-01-06 CN CN202210014223.8A patent/CN114309114A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52755A (en) * | 1975-06-24 | 1977-01-06 | Fuji Electric Co Ltd | Method and device for die heating |
| CN103916055A (en) * | 2014-02-18 | 2014-07-09 | 上海超导科技股份有限公司 | Superconductivity direct-current induction heating motor starting device based on reduction gearbox and method thereof |
| CN203747700U (en) * | 2014-02-18 | 2014-07-30 | 上海超导科技股份有限公司 | Demagnetization-based superconductive direct-current induction heating motor starting device |
| CN105071703A (en) * | 2015-06-24 | 2015-11-18 | 李泽华 | Reduction gearbox-based superconductive direct-current induction heating motor starting device |
| US20210039149A1 (en) * | 2019-08-05 | 2021-02-11 | Samsung Electronics Co., Ltd. | Extrusion apparatus and method for manufacturing aluminum capillary tube using same |
| CN113825269A (en) * | 2021-09-29 | 2021-12-21 | 中国科学院电工研究所 | Superconducting induction heating system for production line |
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