阅读说明：本技术 一种永磁体充磁的控制方法及系统 (Permanent magnet magnetizing control method and system ) 是由 赵毅 蒋怡航 钱君 于 2021-09-07 设计创作，主要内容包括：本发明公开一种永磁体充磁的控制方法及系统,包括相互电性连接的机架、控制系统、充磁装置、高压脉冲电源及工业冷水机。控制系统包括数控模块、上位机通信模块、检测模块、调压整流模块、储能模块、通讯模块。本发明通过充磁系统对充磁头闭合位置,冷却水温度,冷却水流量,冷却水就地流量,变压器温度,充磁压头温度,充电电压等参数实施数字化采集和关联互动,实现系统检测模块对充磁工序关键工艺参数的监控和报警,进而实现对充磁系统的智能控制,保证了充磁设备的稳定性和充磁设备的安全使用条件,提高了产品良品率,降低生产综合成本。同时上位机通信模块从PLC中对多组生产数据进行采集、储存、实时显示,方便员工的可视化生产和远程监控。(The invention discloses a permanent magnet magnetizing control method and a permanent magnet magnetizing control system. The control system comprises a numerical control module, an upper computer communication module, a detection module, a voltage regulation and rectification module, an energy storage module and a communication module. According to the invention, the magnetizing head closing position, the cooling water temperature, the cooling water flow, the cooling water local flow, the transformer temperature, the magnetizing head temperature, the charging voltage and other parameters are digitally acquired and associated and interacted by the magnetizing system, so that the system detection module can monitor and alarm key process parameters of the magnetizing process, the intelligent control of the magnetizing system is further realized, the stability of the magnetizing equipment and the safe use condition of the magnetizing equipment are ensured, the product yield is improved, and the comprehensive production cost is reduced. Meanwhile, the upper computer communication module collects, stores and displays a plurality of groups of production data in real time from the PLC, thereby facilitating visual production and remote monitoring of staff.)

1. The utility model provides a permanent magnet system of magnetizing, includes frame (1), control system (2), magnetization device (3), high-voltage pulse power supply (4) and industry cold water machine (5), its characterized in that:

the control system (2) comprises a numerical control module (21/22), an upper computer communication module (23/24), a detection module (25), a voltage regulation and rectification module (26), an energy storage module (27) and a communication module (28), wherein the upper computer communication module (23/24) is used for transmitting a control command for upper computer communication to the numerical control module (21/22), and the control command comprises a water chiller parameter adjustment command, a charging voltage adjustment command and a magnetizing action command; the detection module (25) comprises a magnetizing head in-place detection loop (2501), a cooling water temperature alarm loop (2502), a cooling water low-flow alarm loop (2503), a cooling water local low-flow alarm loop (2504), a transformer temperature detection loop (2505), a magnetizing coil temperature detection loop (2506) and a charging voltage detection loop (2507); the numerical control module (21/22) and the detection module (25) form a closed loop circuit; the voltage regulating and rectifying module (26) regulates the voltage of the boosting transformer by regulating the bidirectional thyristor, and then obtains direct-current voltage in direct proportion through bridge rectification; the energy storage module (27) stores electric energy through a capacitor, and releases the electric energy to the magnetizing piezometer coil to obtain strong pulse current at the moment of conduction of the thyristor so as to generate an instant strong magnetic field;

the magnetizing device (3) comprises a lifting cylinder (301), supporting guide pillars (302), an upper cylinder fixing plate (303), an upper pressure head mounting plate (304), an upper magnetizing pressure head (305), a lower magnetizing pressure head (307), a correlation type photoelectric sensor (308) and a flow switch (309), wherein the lower pressure head mounting plate (306) is fixedly mounted on a bottom plate of the frame (1), the lower magnetizing pressure head (307) is fixedly mounted on the lower pressure head mounting plate (306), the four supporting guide pillars (302) are fixedly mounted on the lower pressure head mounting plate (306), the upper cylinder fixing plate (303) is mounted at the top end of the supporting guide pillars (302), the lifting cylinder (301) is fixedly mounted on the upper cylinder fixing plate (303), the upper pressure head mounting plate (304) is mounted between the upper cylinder fixing plate (303) and the lower pressure head mounting plate (306) through the supporting guide pillars (302), the upper magnetizing pressure head (305) is fixedly arranged below the upper pressure head mounting plate (304), the correlation type photoelectric sensors (308) are fixedly arranged on two sides of the lower magnetizing pressure head (307), and the flow switches (309) are arranged at the water inlet and the water outlet of the magnetizing pressure head;

industry cold water machine (5) mainly include power module (501), water pump (502), temperature controller (503), compressor (504), flow switch, temperature sensor, contain two main return circuits: the industrial water chiller can provide constant-temperature, constant-flow and constant-pressure cooling water for the magnetizing pressure head of the magnetizing device, cool heat generated by the magnetizing pressure head and ensure that the magnetizing pressure head operates within an allowable temperature range.

2. A permanent magnet charging system according to claim 1, characterized in that: the control system (2) is respectively electrically connected with the magnetizing device (3), the high-voltage pulse power supply (4) and the industrial water chiller (5), and a numerical control module (21/22), an upper computer communication module (23/24), a detection module (25), a voltage-regulating rectifying module (26) and an energy storage module (27) in the control system are mutually electrically connected.

3. A permanent magnet charging system according to claim 1, characterized in that: the PLC module in the numerical control module (21/22) edits and processes a plurality of groups of production data, and the upper computer communication module (23/24) collects, stores and displays the plurality of groups of production data in real time from the PLC; the numerical control module is used for controlling the operation mode and the temperature parameter of the water chiller, adjusting the reference voltage by the digital potentiometer, adjusting the bidirectional thyristor, controlling the conduction of the thyristor and magnetizing the device according to the control instruction.

4. A permanent magnet charging system according to claim 1, characterized in that: the magnetizing pressure head of the magnetizing device comprises a shell and a magnetizing coil arranged in the shell, wherein a cooling cavity is formed in the shell, cold water is injected into the cooling cavity, two water inlets and two water outlets are formed in the shell and are respectively connected with the water inlets and the water outlets of the industrial water chiller, and the temperature of the cooling water in the cooling cavity is guaranteed to be a set value.

5. A permanent magnet charging system according to claim 1, characterized in that: the charging voltage detection loop (2507) performs voltage sampling by means of a sampling circuit, feeds a sampling result back to the numerical control module (21/22), and then performs voltage stabilization control in the voltage regulation rectifying module (26).

6. A permanent magnet charging system according to claim 1, characterized in that: the magnetizing pressure head in-place detection loop (2501) feeds back to the numerical control module (21/22) by means of switch control signals output by a correlation type photoelectric sensor (308) and an air cylinder in-place sensor in the magnetizing device, and then performs magnetizing action control in the magnetizing device (3) and the energy storage module (27).

7. A permanent magnet charging system according to claim 1, characterized in that: the cooling water temperature alarm loop (2502) and the cooling water low-flow alarm loop (2503) feed back analog quantity results to the numerical control module by means of a temperature sensor and a flow sensor which are arranged in the industrial water cooler (5), and control the operation parameters of the industrial water cooler, the magnetizing device (3) and the magnetizing action of the energy storage module (27) according to collected data through AD conversion.

8. A permanent magnet charging system according to claim 1, characterized in that: the cooling water on-site low-flow alarm loop (2504) performs secondary detection control on the flow condition of the cooling water by means of a flow switch arranged at the water inlet and the water outlet of a magnetizing head of the magnetizing device.

9. A permanent magnet charging system according to claim 1, characterized in that: the transformer temperature detection loop (2505) and the magnetizing coil temperature detection loop (2506) feed back analog quantity results to the numerical control module by means of the rectifier module and the built-in temperature sensors of the magnetizing pressure head, and control the operation parameters and the magnetizing action of the high-voltage pulse power supply (4) through AD conversion according to collected data.

10. A control method for magnetizing a permanent magnet is characterized by comprising the following steps:

(1) respectively opening main power switches of a magnetizing device (3), a high-voltage pulse power supply (4) and an industrial water chiller (5), switching on an air source of a lifting cylinder (301), setting parameters of a water chiller temperature controller (503), enabling the water chiller to be in a working state, and supplying cooling water to a magnetizing pressure head (305/307) of the magnetizing device;

(2) a communication module (24) of an upper computer of the magnetizing device (3) is provided with a reference cooling water temperature, a reference cooling water flow, a reference magnetizing pressure head temperature alarm value and a reference magnetizing voltage, the whole control system is in a working state, and the magnetizing device (3), the high-voltage pulse power supply (4) and the industrial water chiller (5) are controlled online through the communication module (28);

(3) the setting parameters of an upper computer communication module (24) of the magnetizing device (3) are respectively input into a numerical control module (22) of the magnetizing device and a numerical control module (21) of a high-voltage pulse power supply, and transmitted data are edited in the numerical control module to trigger corresponding program actions;

(4) a lifting cylinder (301) of the magnetizing device drives an upper magnetizing pressure head (305) to be pressed down to a proper position, and the magnetizing preparation action is ready;

(5) the high-voltage pulse power supply (4) obtains magnetizing pulsating direct-current voltage ready to be conducted to a magnetizing pressure head (305/307) through power supply input, boosting rectification of a rectification module and capacitive energy storage of an energy storage module, and the magnetizing power supply is ready;

(6) corresponding detection parameters are acquired/transmitted to the corresponding numerical control module through a multiple detection loop of the detection module (25), after the conditions of magnetizing permission are met, the thyristor is triggered to be conducted, the high-voltage pulse power supply (4) instantly generates strong pulse current to the magnetizing pressure head (305/307) to release electric energy, the magnetizing action is completed, and otherwise, related equipment is required to be adjusted according to alarm parameters shown by the upper computer communication module (23/24);

(7) the system repeats the four-to-six actions to magnetize the multiple groups of permanent magnets, and meanwhile, the upper computer communication module (23/24) collects, stores and displays the multiple groups of production data in real time from the numerical control module PLC, so that visual production of operators is facilitated.

Technical Field

The invention relates to the technical field of permanent magnet magnetizing equipment, in particular to a permanent magnet magnetizing control method and system.

Background

At present, a common magnetizing method for magnetizing a permanent magnet is to convert electric energy and magnetic energy, in short, AC220V AC is rectified and boosted to obtain pulsating dc, which is stored in a capacitor, and then is conducted by a thyristor to instantly generate strong pulse current to discharge to a magnetizing pressure head, so as to generate a strong magnetic field to magnetize ferromagnetic substances. To obtain a stable and qualified magnetizing product, the magnetizing power supply must be efficient, stable and high in precision. Meanwhile, the reasonable design and arrangement of the magnetizing clamp and the magnetizing pressure head play an important role in producing stable magnetizing products. At present, no specific intelligent control method is provided for ensuring safe, efficient and stable use of magnetizing equipment, so that the product yield is low and the comprehensive cost is high.

Disclosure of Invention

The invention aims to provide an intelligent control method and system for permanent magnet magnetizing, which can improve the comprehensive control effect of permanent magnet magnetizing equipment and realize safe, efficient and stable use of the magnetizing equipment and visualization of production data.

In order to achieve the purpose, the technical scheme provided by the invention is as follows: a control method and a system for magnetizing a permanent magnet comprise a rack, a control system, a magnetizing device, a high-voltage pulse power supply and an industrial water chiller.

The control system comprises a numerical control module, an upper computer communication module, a detection module, a voltage-regulating rectification module, an energy storage module and a communication module. The detection module comprises a magnetizing pressure head in-place detection loop, a cooling water temperature alarm loop, a cooling water low-flow alarm loop, a cooling water local low-flow alarm loop, a transformer temperature detection loop, a magnetizing coil temperature detection loop and a charging voltage detection loop. The numerical control module and the detection module form a feedback circuit; the rectifying module is used for regulating the voltage of the boosting transformer by regulating the bidirectional thyristor and then obtaining pulsating direct-current voltage through bridge rectification; the energy storage module stores electric energy through a capacitor and instantly generates strong pulse current to discharge to the magnetizing pressure head after the thyristor is conducted.

The magnetizing device comprises a lifting cylinder, supporting guide pillars, an upper cylinder fixing plate, an upper pressure head mounting plate, an upper magnetizing pressure head, a lower pressure head mounting plate, a lower magnetizing pressure head, an opposite-type photoelectric sensor and a flow switch, wherein the lower pressure head mounting plate is fixedly mounted on a frame bottom plate, the lower magnetizing pressure head is fixedly mounted on the lower pressure head mounting plate, the four supporting guide pillars are fixedly mounted on the lower pressure head mounting plate, the upper cylinder fixing plate is mounted at the top end of each supporting guide pillar, the lifting cylinder is fixedly mounted on the upper cylinder fixing plate, the upper pressure head mounting plate is mounted between the upper cylinder fixing plate and the lower pressure head mounting plate through the supporting guide pillars, the upper magnetizing pressure head is fixedly mounted below the upper pressure head mounting plate, the opposite-type photoelectric sensors are fixedly mounted on two sides of the lower magnetizing pressure head, and the flow switch is mounted on a water inlet and outlet of the magnetizing pressure head.

Industry cold water machine mainly include power module, water pump, temperature controller, compressor, flow switch, temperature sensor, contain two main return circuits: the industrial water chiller can provide constant-temperature, constant-flow and constant-pressure chilled water for the magnetizing pressure head of the magnetizing device, takes away heat generated by the magnetizing pressure head and ensures that the magnetizing pressure head operates within an allowable temperature range.

Preferably, the control system is electrically connected with the magnetizing device, the high-voltage pulse power supply and the industrial water chiller respectively, and a numerical control module, an upper computer communication module, a detection module, a rectification module and an energy storage module in the control system are electrically connected with each other.

Preferably, the PLC module in the numerical control module edits a plurality of groups of production data, and the upper computer communication module collects, stores and displays the plurality of groups of production data in real time from the PLC.

Preferably, the magnetizing head of the magnetizing device comprises a shell and a magnetizing coil arranged in the shell, wherein a cooling cavity is arranged in the shell, cold water is injected into the cooling cavity, two water inlets and two water outlets are arranged on the shell and are respectively connected with the water inlets and the water outlets of the industrial water chiller, and the temperature of the cooling water in the cooling cavity is guaranteed to be a set value.

Preferably, the numerical control module is used for controlling the running mode and the temperature parameter of the water chiller, adjusting the reference voltage by the digital potentiometer, adjusting the bidirectional thyristor, conducting the single crystal brake pipe and magnetizing the magnetizing device according to the control instruction.

Preferably, the charging voltage detection loop performs voltage sampling by means of a sampling circuit, feeds a sampling result back to the numerical control module, and performs voltage stabilization control in the voltage regulation and rectification module.

Preferably, the magnetizing pressure head in-place detection loop feeds back to the numerical control module by means of switch control signals output by a correlation type photoelectric sensor and an air cylinder in-place sensor in the magnetizing device, and then performs magnetizing action control in the magnetizing device and the energy storage module.

Preferably, the cooling water temperature alarm loop and the cooling water low-flow alarm loop feed back analog quantity results to the numerical control module by means of a temperature sensor and a flow sensor which are arranged in the industrial water chiller, and the operation parameters of the industrial water chiller, the magnetizing device and the magnetizing action of the energy storage module are controlled according to acquired data through AD conversion.

Preferably, the cooling water on-site low-flow alarm loop performs secondary detection control on the flow condition of the cooling water by means of a flow switch arranged at a water inlet and a water outlet of a magnetizing head of the magnetizing device.

Preferably, the transformer temperature detection loop and the magnetizing pressure head temperature detection loop feed back analog quantity results to the numerical control module by means of the rectifier module and the built-in temperature sensor of the magnetizing pressure head, and the operation parameters and the magnetizing action of the high-voltage pulse power supply are controlled according to acquired data through AD conversion.

The invention also provides a control method for magnetizing the permanent magnet, which comprises the following steps:

(1) respectively opening a magnetizing device, a high-voltage pulse power supply and a main power switch of an industrial water chiller, switching on a lifting cylinder gas source, setting parameters of a water chiller temperature controller, and providing cooling water for a magnetizing pressure head of the magnetizing device when the water chiller is in a working state;

(2) the upper computer communication module of the magnetizing device is provided with a reference cooling water temperature, a reference cooling water flow, a reference magnetizing pressure head temperature alarm value and a reference magnetizing voltage, the whole control system is in a working state, and the magnetizing device, the high-voltage pulse power supply and the industrial water chiller are controlled on line through the communication module;

(3) the setting parameters of the upper computer communication module of the magnetizing device are respectively input to the numerical control module of the magnetizing device and the numerical control module of the high-voltage pulse power supply, and the transmission data are edited in the numerical control module to trigger corresponding program actions;

(4) the lifting cylinder of the magnetizing device drives the upper magnetizing pressure head to be pressed down in place, and the magnetizing preparation action is ready;

(5) the high-voltage pulse power supply obtains magnetizing electric energy ready to be conducted to the magnetizing pressure head through power supply input, boosting rectification of the rectification module and capacitive energy storage of the energy storage module, and the magnetizing power supply is ready;

(6) corresponding detection parameters are acquired/transmitted to the corresponding numerical control module through the detection module multiple detection loops, after the magnetizing permission conditions are met, the thyristor is triggered to be conducted, the high-voltage pulse power supply instantly generates strong pulse current to discharge to the magnetizing pressure head to complete the magnetizing action, and otherwise, related equipment is required to be adjusted according to alarm parameters shown by the upper computer communication module;

(7) the system repeats the four-to-six actions, the permanent magnets are magnetized, and meanwhile, the upper computer communication module collects, stores and displays a plurality of groups of production data in the numerical control module PLC in real time, so that visual production of operators is facilitated.

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

according to the invention, the magnetizing head closing position, the cooling water temperature, the cooling water flow, the cooling water local flow, the transformer temperature, the magnetizing head temperature, the charging voltage and other key process parameters in the magnetizing process are digitally acquired and associated and interacted by the magnetizing system, so that the system detection module can monitor and alarm the magnetizing process key process parameters, the intelligent control of the magnetizing system is realized, the stability of the magnetizing equipment and the safe use condition of the magnetizing equipment are ensured, the product yield is improved, and the comprehensive production cost is reduced. Meanwhile, the upper computer communication module collects, stores and displays a plurality of groups of production data in real time from the PLC, so that visual production of operators and remote monitoring of managers are facilitated.

Drawings

The invention is further illustrated with reference to the following figures and examples:

FIG. 1 is a schematic structural diagram of a complete machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a magnetizing apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram according to an embodiment of the present invention;

illustration of the drawings: 1-a rack, 2-a control system, 3-a magnetizing device, 4-a high-voltage pulse power supply, 5-an industrial water chiller, 21/22-a numerical control module, 23/24-an upper computer communication module, 25-a detection module, 26-a voltage regulation rectifier module, 27-an energy storage module, 28-a communication module, 2501-a magnetizing head in-place detection loop, 2502-a cooling water temperature alarm loop, 2503-a cooling water low-flow alarm loop, 2504-a cooling water in-place low-flow alarm loop, 2505-a transformer temperature detection loop, 2506-a magnetizing head temperature detection loop, 2507-a charging voltage detection loop, 301-a lifting cylinder, 302-a support guide column, 303-an upper cylinder fixing plate, 304-an upper head mounting plate, 305-upper magnetizing pressure head, 306-lower pressure head mounting plate, 307-lower magnetizing pressure head, 308-correlation type photoelectric sensor, 309-flow switch, 501-power module, 502-water pump, 503-temperature controller and 504-compressor.

Detailed Description

For further understanding of the present invention, the present invention will be described in detail with reference to examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.

Referring to fig. 1, 2 and 3, a permanent magnet magnetizing control method and system includes a frame 1, a control system 2, a magnetizing device 3, a high-voltage pulse power supply 4 and an industrial water chiller 5.

Control system 2 include numerical control module 21/22, host computer communication module 23/24, detection module 25, pressure regulating rectifier module 26, energy storage module 27, communication module 28, host computer communication module 23/24 is used for receiving the control command that the host computer sent and transmits to numerical control module, control command includes water chiller parameter adjustment instruction, charging voltage adjustment instruction, the action instruction that magnetizes. The detection module 25 comprises a magnetizing head in-place detection loop 2501, a cooling water temperature alarm loop 2502, a cooling water low flow alarm loop 2503, a cooling water local low flow alarm loop 2504, a transformer temperature detection loop 2505, a magnetizing head temperature detection loop 2506 and a charging voltage detection loop 2507. The numerical control module 21/22 and the detection module 25 form a feedback circuit. The rectifying module 26 is used for regulating the voltage of the step-up transformer by regulating the bidirectional thyristor, and then obtaining pulsating direct-current voltage through bridge rectification. The energy storage module 27 stores electric energy through a capacitor, and generates strong pulse current to discharge to the magnetizing head 305/307 instantly after the thyristor is turned on.

The magnetizing device 3 comprises a lifting cylinder 301, supporting guide posts 302, an upper cylinder fixing plate 303, an upper pressure head mounting plate 304, an upper magnetizing pressure head 305, a lower pressure head mounting plate 306, a lower magnetizing pressure head 307, a correlation type photoelectric sensor 308 and a flow switch 309, wherein the lower pressure head mounting plate 306 is fixedly mounted on the bottom plate of the frame 1, the lower magnetizing pressure head 307 is fixedly mounted on the lower pressure head mounting plate 306, the four supporting guide posts 302 are fixedly mounted on the lower pressure head mounting plate 306, the upper cylinder fixing plate 303 is mounted at the top ends of the supporting guide posts 302, the lifting cylinder 301 is fixedly mounted on the upper cylinder fixing plate 303, the upper pressure head mounting plate 304 is mounted between the upper cylinder fixing plate and the lower pressure head mounting plate 303/306 through the supporting guide posts 302, the upper magnetizing pressure head 305 is fixedly mounted below the upper pressure head mounting plate 304, the correlation type photoelectric sensor 308 is fixedly mounted at two sides of the lower magnetizing pressure head 307, the flow switch 309 is mounted to the charging head 305/307 for water inlet and outlet.

The industrial water chiller 5 mainly comprises a power module 501, a water pump 502, a temperature controller 503, a compressor 504, a cold water flow switch and a temperature sensor, and comprises two main loops: the industrial water chiller can provide constant-temperature, constant-flow and constant-pressure chilled water for the magnetizing head 305/307 of the magnetizing device 3, take away heat generated by the magnetizing head 305/307, and ensure that the magnetizing head 305/307 operates within an allowable temperature range.

A permanent magnet magnetizing control method is characterized in that after a magnetizing device 3, a high-voltage pulse power supply 4 and an industrial water chiller 5 are powered on, a reference cooling water temperature, a reference cooling water flow, a reference magnetizing pressure head temperature alarm value and a reference magnetizing voltage are set in an upper computer communication module 23/24, and the cooling water temperature is controlled in a constant temperature mode of the industrial water chiller 5; then the magnetizing pulsating direct current voltage to be conducted to the magnetizing pressure head is obtained through the power input of the high-voltage pulse power supply 4, the boosting rectification of the voltage-regulating rectification module 26 and the capacitive energy storage of the energy storage module 27; according to the output control signal results of the magnetizing pressure head in-place detection loop, the cooling water temperature alarm loop, the cooling water low flow alarm loop, the transformer temperature detection loop, the magnetizing pressure head temperature detection loop and the charging voltage detection loop of the detection module 25, the output control signal results are fed back to the numerical control module PLC, a trigger signal is given to the energy storage module 27 after data editing processing, strong pulse current discharging is instantly generated to the magnetizing pressure head 305/307 after the thyristor is conducted, and meanwhile charging voltage, magnetizing current, magnetizing time and permanent magnet magnetizing counting production data are collected, stored and displayed in real time by the upper computer communication module.

Specifically, a complete permanent magnet magnetizing step comprises:

firstly, main power switches of the magnetizing device 3, the high-voltage pulse power supply 4 and the industrial water chiller 5 are respectively opened, and an air source of the lifting cylinder 301 is switched on. The water chiller temperature controller 503 parameters are set and the water chiller is in operation to provide cooling water to the magnetizing head 305/307 of the magnetizing apparatus.

Secondly, a reference cooling water temperature, a reference cooling water flow, a reference magnetizing pressure head temperature alarm value and a reference magnetizing voltage are set in an upper computer communication module 24 of the magnetizing device 3, the whole control system is in a working state, and the magnetizing device 3, the high-voltage pulse power supply 4 and the industrial water chiller 5 are controlled on line through a communication module 28.

And thirdly, the setting parameters of the communication module 24 of the upper computer of the magnetizing device are respectively input into the numerical control module 22 of the magnetizing device and the numerical control module 21 of the high-voltage pulse power supply, and the transmission data are edited in the numerical control module to trigger corresponding program actions.

Fourthly, the lifting cylinder 301 of the magnetizing device drives the upper magnetizing pressure head 305 to be pressed down to the proper position, and the magnetizing preparation action is ready.

And fifthly, the high-voltage pulse power supply 4 obtains magnetizing pulsating direct-current voltage ready to be conducted to the magnetizing pressure head 305/307 through power supply input, boosting rectification of the rectification module and capacitive energy storage of the energy storage module, and the magnetizing power supply is ready.

And sixthly, acquiring/transmitting corresponding detection parameters to a corresponding numerical control module through a detection module 25 and multiple detection loops, triggering the silicon controlled rectifier to be conducted after the corresponding detection parameters meet the magnetizing permission conditions, and enabling the high-voltage pulse power supply 4 to instantly generate strong pulse current to discharge to the magnetizing pressure head 305/307 to complete the magnetizing action, otherwise, adjusting related equipment according to the alarm parameters shown by the upper computer communication module 23/24.

Seventhly, the system repeats the four-to-six actions to magnetize the multiple groups of permanent magnets, and meanwhile, the upper computer communication module 23/24 collects, stores and displays the multiple groups of production data in the numerical control module PLC in real time, so that visual production of operators is facilitated.

The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.