CN211866297U - Flexible sheet electromagnetic forming system - Google Patents
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- CN211866297U CN211866297U CN201821183733.3U CN201821183733U CN211866297U CN 211866297 U CN211866297 U CN 211866297U CN 201821183733 U CN201821183733 U CN 201821183733U CN 211866297 U CN211866297 U CN 211866297U
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Abstract
The utility model discloses a flexible sheet electromagnetic forming system, which comprises an electromagnetic forming machine, a coil and mould installation adjusting device, a sheet clamping and forming position control device and an integrated control system; the integrated control system is respectively and electrically connected with the electromagnetic forming machine, the coil and die installation adjusting device and the plate clamping and forming position control device; the plate clamping and forming position control device is arranged beside the coil and the die mounting and adjusting device, and the coil is electrically connected with the electromagnetic forming charging and discharging of the electromagnetic forming machine. Firstly, selecting a universal mold and adjusting an initial distance; then adjusting the position direction of the plate, and transferring the area to be formed of the plate to an electromagnetic forming area; and then controlling the electromagnetic forming machine to charge and discharge so as to carry out electromagnetic forming. And if the mould and the initial distance are not changed, repeating the steps 2 and 3 and performing electromagnetic forming point by point in sequence according to a preset forming path. And if the mould and the initial distance are changed, repeating the steps to perform the electromagnetic forming on the plate material point by point in sequence according to the preset forming path.
Description
Technical Field
The utility model relates to a material processing takes shape technical field, especially relates to flexible sheet material electromagnetic forming system.
Background
Electromagnetic forming is a processing method for carrying out high-speed forming on metal materials by utilizing electromagnetic force, and during forming, an instantaneous pulse strong magnetic field is generated in a coil through instantaneous pulse current, so that eddy current is generated in a corresponding workpiece, and then Lorentz force is generated through interaction, so that the high-speed forming processing of the metal materials is realized. Since the load is applied to the blank in a pulse manner during the forming process, it is also called magnetic pulse forming.
The basic principle of electromagnetic forming is Lenz's law, that is, an eddy current resisting the change of a magnetic field is induced in a metal workpiece through the magnetic field changing along with time, and the eddy current interact to generate a huge electromagnetic force instantly to deform the metal workpiece. A typical electromagnetic forming system is shown in fig. 1, and the forming process is as follows: the capacitor bank is first charged by a charging system, the electrical energy is stored in the capacitor, and then the discharge switch is closed, the capacitor bank, the coil and the circuit form an RLC oscillator circuit, thereby generating a momentary alternating large current in the coil. The current generates a strong pulse magnetic field, so that an induced eddy current is excited in the workpiece, and the induced eddy current and the magnetic field interact to generate a strong repulsive force to drive the workpiece to deform.
The electromagnetic forming apparatus is mainly composed of three components: power supply system, shaping coil, control system.
A power supply system: the power supply system is an energy source of the electromagnetic forming equipment, and needs to provide enough energy in a very short time to generate strong enough electromagnetic force to drive the workpiece to deform.
Forming a coil: the electromagnetic forming coil is a key component for converting electromagnetic energy in a power supply system into kinetic energy of a workpiece, the size and the configuration of a magnetic field of the electromagnetic forming coil directly influence the stress size and stress distribution of the workpiece to be formed, and finally, the machining forming effect is directly influenced.
The control system comprises: the control system is an important component of the electromagnetic forming device and controls the forming process, the charging and discharging time, the voltage and other process parameters.
Compared with the traditional metal forming process, the electromagnetic forming has the following advantages:
1) high strain rate: the whole forming process is generally about hundreds of microseconds to a few milliseconds, and the forming speed is generally more than 300 m/s. The high strain rate characteristic of electromagnetic forming can obviously improve the plastic deformation capacity and the deformation uniformity of the material, effectively reduce the rebound of parts and inhibit the wrinkling of the material.
2) Non-contact: the electromagnetic forming magnetic field acts on the workpiece as a medium, the deformation process is not in contact with the workpiece, the surface integrity of the formed workpiece is high, and the fatigue life is greatly prolonged.
3) Single mould: the electromagnetic forming only needs an independent male die or a female die generally, has simple tooling requirements and strong equipment flexibility, and is suitable for processing and manufacturing parts with various specifications.
4) Electro-plastic effects: in electromagnetic forming, the deformation behavior of a metal material under the action of electricity (current, electric field or electron irradiation and the like) is different from the conventional deformation behavior, the microstructure of the metal material is changed, the changes can reduce the flow stress in the metal deformation process, and the forming limit of the material is greatly improved, namely the electro-plastic effect is generated.
5) The process repeatability is good: compared with other high-speed forming technologies (such as explosion forming, electro-hydraulic forming and the like), the intensity of the magnetic pulse in the electromagnetic forming can be accurately controlled, the mechanization and the automation are easy to realize, the repeatability is good, and the stability is high.
Due to the technological characteristics of electromagnetic forming, the process is applied to the fields of tube blank forming, slab forming, volume forming, powder forming and the like.
Although electromagnetic forming has corresponding advantages, the existing electromagnetic forming system needs to manufacture corresponding devices such as a male die or a female die, a coil, a blank holder and the like according to the shape and the size of a workpiece for forming the workpiece with the characteristic shape and the size, so that the production cost is increased, the manufacturing period is prolonged, and the application of the electromagnetic forming is limited. Therefore, the utility model relates to an electromagnetic forming system of flexible intelligence only needs to adopt general coil and standard terrace die or die just can carry out the electromagnetic forming of different shape size complicated work pieces, and this electromagnetic forming to the especially single small batch volume part of forming process of metal part has very important meaning, also has important meaning to popularizing and applying the electromagnetic forming technology.
Accordingly, further improvements and improvements are needed in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a flexible sheet material electromagnetic forming system.
The purpose of the utility model is realized through the following technical scheme:
the electromagnetic forming system of the flexible plate mainly comprises an electromagnetic forming machine, a coil and die installation adjusting device, a plate clamping and forming position control device and an integrated control system. The integrated control system is respectively and electrically connected with the electromagnetic forming machine, the coil and die installation adjusting device and the plate clamping and forming position control device. The plate clamping and forming position control device is arranged beside the coil and the die mounting and adjusting device and clamps the plate to be processed.
Specifically, the coil and die mounting and adjusting device mainly comprises a coil and die mounting device, an electromagnetic forming coil, a magnetic collector, a universal die library and a coil and die control system. The coil and die mounting device comprises a base, an upper cross beam and a sliding block. The base and the upper cross beam can be fixedly connected to form a body of the coil and the die mounting device integrally. The upper beam is fixedly arranged above the forming station, and the sliding block is arranged on the upper beam and drives the electromagnetic forming coil and the magnetic collector to slide up and down, so that the adjustment of the initial distance is realized. The electromagnetic forming coil is arranged on the sliding block and is electrically connected with the electromagnetic forming machine. The magnetic collector is arranged on the electromagnetic forming coil and is fixedly connected with the electromagnetic forming coil. The base is fixed below the forming station, and the universal mold library is installed on the base and electrically connected with the coil and the mold control system. And the universal molds are arranged in the universal mold library to realize the calling and switching of the universal molds.
Specifically, the plate clamping and forming position control device comprises a robot, a plate clamping device and a robot control system. The robot is fixedly arranged beside the forming station and is electrically connected with the robot control system. The plate clamping device is fixed on a mechanical arm of the robot and is electrically connected with the robot control system, so that the clamping, fixing and shifting operations of the plate to be processed are realized, and the plate to be formed can be placed on a universal die of the coil and die mounting device for carrying out electromagnetic forming at a local position.
Specifically, the electromagnetic forming machine comprises an electromagnetic forming charging and discharging system for generating instantaneous electric pulses and an electromagnetic forming control system for controlling the frequency and voltage of the electric pulses. The electromagnetic forming control system is electrically connected with the electromagnetic forming charging and discharging system. The electromagnetic forming charging and discharging system is electrically connected with the electromagnetic forming coil.
As the utility model discloses a preferred scheme, a plurality of general mould sets up in general mould storehouse, can alternate different moulds as required during electromagnetic forming.
As the utility model discloses an optimal scheme, the sheet material centre gripping dynamics if too loose then can lead to the unstable, the location of course of working sheet material centre gripping inaccurate, and press from both sides too tightly then be unfavorable for sheet metal's plasticity to flow, consequently sheet material clamping device's centre gripping dynamics is established to being less than 10 Mpa.
As the utility model discloses an optimal scheme can remove in sheet material clamping device in order to warp at the electromagnetic forming sheet material, the utility model discloses sheet material clamping device still can follow the damped reciprocating of sheet material clamping direction area under the effect of electromagnetic forming force to coordinate the deformation of sheet material, damping force size is established to 1 to 2 times of electromagnetic forming force, and can carry out the adjustment of damping force according to the size of electromagnetic forming force.
As the utility model discloses a preferred scheme, wait to process the sheet material and can remove in the sheet material centre gripping when electromagnetic forming.
As the utility model discloses an optimal scheme, robot control system can control robot's arm and sheet material clamping device motion, with the position sheet material of waiting to take shape of centre gripping sheet material according to the shaping route of setting for place in proper order carry out electromagnetic forming on coil and die holding device's the general mould.
As the utility model discloses an optimal scheme makes the even atress of sheet material warp in order to guarantee the perpendicular sheet material of produced electromagnetic force, the utility model discloses the regional center that the sheet material atress warp is located induction magnetic field center, and the normal direction at regional center with general mould with the axial of electromagnetic forming coil or the upper and lower direction of slider motion are unanimous, just there is initial distance between magnetic collector front end and sheet material.
The integrated control system is respectively connected with the electromagnetic forming control system, the coil and die control system and the robot control system, and carries out coordination control on the electromagnetic forming machine, the coil and die installation adjusting device, the robot and the plate clamping device according to the requirements of the workpiece electromagnetic forming process. The integrated control system transmits the charging and discharging technological parameters of the electromagnetic forming such as charging and discharging period, charging and discharging voltage, discharging frequency and the like to the electromagnetic forming control system, and controls the pulse charging and discharging of the electromagnetic forming machine to carry out single or sequential electromagnetic forming. The integrated control system transmits the initial distance between the workpiece and the magnetic collector and the requirement for the mold to the coil and mold control system, controls the reasonable initial distance between the coil and the workpiece and between the magnetic collector and the workpiece by adjusting the movements of the upper beam and the slider of the coil and mold mounting device, and controls the mold on the base to select the determined universal mold. The integrated control system transfers the designed workpiece forming track to the robot control system, controls the robot to move, adjusts the position and the direction of the plate and realizes the sequential point-by-point electromagnetic forming of the workpiece.
The utility model discloses a working process and principle are: firstly, inputting the forming process parameters such as the charging and discharging period, the voltage and the frequency of electromagnetic forming, the requirements such as the initial distance between a universal die and a magnetic collector and a workpiece, the point-by-point electromagnetic forming path of a plate and the direction of the plate at a forming point into an integrated control system of equipment, transmitting relevant parameters to the electromagnetic forming control system, a coil and die control system and a robot control system by the integrated control system of the equipment, and carrying out coordination control on an electromagnetic forming machine, a coil and die installation adjusting device and a robot and a plate clamping and forming position control device. The method comprises the following specific steps: 1. the coil and mould control system controls the coil and mould installation adjusting device to select a universal mould and adjust the initial distance; 2. the robot control system controls the robot plate clamping and forming position control device to adjust the position direction of the plate, and the area to be formed of the plate is transferred to an electromagnetic forming area between the die and the magnetic collector; 3. the electromagnetic forming control system controls the electromagnetic forming machine to charge and then discharge so as to carry out electromagnetic forming. And if the mould and the initial distance are unchanged, repeating the steps 2 and 3 to carry out the electromagnetic forming of the plate material point by point in sequence according to a preset forming path. And if the mould and the initial distance are changed in the forming process, repeating the steps 1, 2 and 3 to carry out the sequential point-by-point electromagnetic forming of the plate according to a preset forming path. The utility model discloses still have simple structure, convenient operation, easy advantage of implementing.
Compared with the prior art, the utility model discloses still have following advantage:
(1) the utility model provides a flexible sheet material electromagnetic forming system adopts and only needs to adopt general coil and standard terrace die or die just can carry out the electromagnetic forming of different shape size complicated work pieces, and this electromagnetic forming to the especially single small batch part of the shaping processing of metal part has very important meaning, also has important meaning to popularizing and applying electromagnetic forming technology.
Drawings
Fig. 1 is a schematic structural diagram of a flexible sheet electromagnetic forming system provided by the present invention.
The reference numerals in the above figures illustrate:
the method comprises the following steps of 1-an electromagnetic forming machine, 2-a coil and die mounting device, 3-an electromagnetic forming coil, 4-a magnetism collector, 5-a universal die, 6-a universal die library, 7-a plate, 8-a plate clamping device, 9-a robot and 10-an integrated control system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described with reference to the accompanying drawings and examples.
Example 1:
as shown in fig. 1, the present embodiment discloses a flexible electromagnetic sheet forming system, which mainly includes an electromagnetic forming machine 1, a coil and die installation adjusting device, a sheet clamping and forming position control device, and an integrated control system 10. The integrated control system 10 is respectively and electrically connected with the electromagnetic forming machine 1, the coil and die installation adjusting device and the plate clamping and forming position control device. The plate clamping and forming position control device is arranged beside the coil and the die mounting and adjusting device and clamps the plate 7 to be processed.
Specifically, the coil and die mounting and adjusting device mainly comprises a coil and die mounting device 2, an electromagnetic forming coil 3, a magnetic collector 4, a universal die 5, a universal die library 6 and a coil and die control system. The coil and die mounting apparatus 2 includes a base, an upper beam, and a slider. The base and the upper beam can be fixedly connected to form a body of the coil and die mounting device 2 integrally. The upper beam is fixedly arranged above the forming station, and the sliding block is arranged on the upper beam and drives the electromagnetic forming coil 3 and the magnetic collector 4 to slide up and down, so that the adjustment of the initial distance is realized. The electromagnetic forming coil 3 is mounted on the slider and electrically connected to the electromagnetic forming machine 1. The magnetic collector 4 is arranged on the electromagnetic forming coil 3 and is fixedly connected with the electromagnetic forming coil 3. The base is fixed below the forming station, and the universal mold library 6 is installed on the base and electrically connected with the coil and the mold control system. And a plurality of universal molds 5 are arranged in the universal mold library 6, so that the universal molds 5 can be called out and switched.
Specifically, the sheet clamping and forming position control device comprises a robot 9, a sheet clamping device 8 and a robot control system. And the robot 9 is fixedly arranged beside the forming station and is electrically connected with a robot control system. The plate clamping device 8 is fixed on a mechanical arm of the robot 9 and is electrically connected with a robot control system, so that the clamping, fixing and shifting operations of the plate 7 to be processed are realized, and the plate 7 to be formed can be placed on the universal die 5 of the coil and die mounting device 2 to be subjected to local electromagnetic forming.
Specifically, the electromagnetic forming machine 1 includes an electromagnetic forming charge-discharge system for generating an instantaneous electric pulse and an electromagnetic forming control system for controlling the frequency and voltage of the electric pulse. The electromagnetic forming control system is electrically connected with the electromagnetic forming charging and discharging system. The electromagnetic forming charge-discharge system is electrically connected with the electromagnetic forming coil 3.
As the utility model discloses a preferred scheme, a plurality of general mould 5 sets up in general mould storehouse 6, can alternate different moulds as required during electromagnetic forming.
As the utility model discloses an optimal scheme, 7 centre gripping dynamics of sheet material if too pine then can lead to 7 centre gripping shakiness of course of working sheet material, the location is inaccurate, and press from both sides too tightly then be unfavorable for the plasticity of metal sheet material 7 to flow, consequently the centre gripping dynamics of sheet material clamping device 8 is established to be less than 10 Mpa.
As the utility model discloses an optimal scheme can remove in sheet material clamping device 8 in order to warp at electromagnetic forming sheet material 7, the utility model discloses sheet material clamping device 8 still can follow sheet material 7 tight direction of clamp and take the damped reciprocating under the effect of electromagnetic forming force to coordinate the deformation of sheet material 7, damping force size is established to 1 to 2 times of electromagnetic forming force, and can carry out the adjustment of damping force according to the size of electromagnetic forming force.
As the preferred scheme of the utility model, treat that processing sheet material 7 can remove in sheet material clamping device 8 when electromagnetic forming.
As the utility model discloses an optimal scheme, robot control system can control the arm of robot 9 and the motion of sheet material clamping device 8, with the portion sheet material that treats of centre gripping sheet material 7 of taking shape place in proper order according to the shaping route of setting for carry out electromagnetic forming on coil and the general mould 5 of die holding device 2.
As the utility model discloses an optimal scheme makes the even atress of sheet material 7 warp in order to guarantee the perpendicular sheet material 7 of produced electromagnetic force, the utility model discloses the regional center that the sheet material 7 atress warp is located induction magnetic field center, and the normal direction at regional center with general mould 5 with the axial of electromagnetic forming coil 3 or the upper and lower direction of slider motion are unanimous, just there is initial distance between 4 front ends of collection magnetic organ and sheet material 7.
The integrated control system 10 is respectively connected with the electromagnetic forming control system, the coil and die control system and the robot control system, and carries out coordination control on the electromagnetic forming machine 1, the coil and die installation adjusting device, the robot 9 and the plate clamping device 8 according to the requirements of the workpiece electromagnetic forming process. According to the shape, size and material of the workpiece, the process of electromagnetic forming is designed and determined, the integrated control system 10 transmits the charging and discharging process parameters of the electromagnetic forming, such as charging and discharging period, charging and discharging voltage, discharging frequency and the like, to the electromagnetic forming control system, and the pulse charging and discharging of the electromagnetic forming machine 1 are controlled to carry out single or sequential electromagnetic forming. The integrated control system 10 transmits the initial distance between the workpiece and the magnetic collector 4 and the requirements for the mold to the coil and mold control system, controls the reasonable initial distance between the coil and magnetic collector 4 and the workpiece by adjusting the movement of the beam and slide on the coil and mold mounting device 2, and controls the mold on the base to select the determined universal mold 5. The integrated control system 10 transfers the designed workpiece forming track to the robot control system, controls the robot 9 to move, adjusts the position and the direction of the plate 7, and realizes the sequential point-by-point electromagnetic forming of the workpiece.
The utility model discloses a working process and principle are: firstly, the forming process parameters such as the charging and discharging period, the voltage and the frequency of electromagnetic forming, the requirements such as the initial distance between a universal die 5 and a magnetic collector 4 and a workpiece, the point-by-point electromagnetic forming path of a plate 7 and the orientation of the forming point plate 7 are input into an integrated control system 10 of the equipment, the integrated control system 10 of the equipment transmits related parameters to the electromagnetic forming control system, a coil and die control system and a robot control system, and carries out coordination control on an electromagnetic forming machine 1, a coil and die mounting adjusting device, a robot 9 and a plate clamping and forming position control device. The method comprises the following specific steps: 1. the coil and mould control system controls the coil and mould installation adjusting device to select the universal mould 5 and adjust the initial distance; 2. the robot control system controls the robot plate clamping and forming position control device to adjust the position direction of the plate 7, and the area to be formed of the plate 7 is transferred to an electromagnetic forming area between the die and the magnetic collector 4; 3. the electromagnetic forming control system controls the electromagnetic forming machine 1 to be charged and then discharged for electromagnetic forming. And if the mould and the initial distance are not changed, repeating the steps 2 and 3 to carry out the electromagnetic forming of the plate 7 point by point in sequence according to a preset forming path. And if the mould and the initial distance are changed in the forming process, repeating the steps 1, 2 and 3 to carry out the sequential point-by-point electromagnetic forming of the plate 7 according to a preset forming path. The utility model discloses still have simple structure, convenient operation, easy advantage of implementing.
Example 2:
the embodiment discloses a flexible intelligent electromagnetic forming system, which comprises an electromagnetic forming machine 1, a coil and die installation adjusting device, a plate clamping and forming position control device and an integrated control system 10.
The electromagnetic forming machine 1 is a typical electromagnetic forming apparatus, and includes an electromagnetic forming charge-discharge system that generates an instantaneous electric pulse and an electromagnetic forming control system that controls the cycle and voltage of the electric pulse.
The coil and mould mounting and adjusting device consists of a coil and mould mounting device 2, an electromagnetic forming coil 3, a magnetic collector 4, a universal mould 5, a universal mould library 6 and a coil and mould control system; the coil and die mounting device 2 comprises a base, an upper beam, a slide block and other parts, wherein the slide block is mounted on the upper beam and can move up and down to adjust the distance between the magnetic collector 4 and the universal die 5; the coil is arranged on the sliding block and is connected with a charging and discharging system of the electromagnetic forming machine 1, and the coil can be instantly charged and discharged to generate a pulse electromagnetic field; the magnetic collector 4 is arranged on the coil and plays the roles of enhancing the magnetic field intensity and reducing the induction magnetic field area; the die warehouse is connected with the coil and the base of the die mounting device 2, a plurality of universal dies 5 are arranged in the die warehouse, 1 die is selected for each pulse discharge forming, and the dies can be changed according to the forming requirements in the electromagnetic forming process; the coil and die control system controls the slide block to move up and down according to the electromagnetic forming requirement of the plate 7, so that a reasonable initial distance between the workpiece and the magnetic collector 4 is ensured, a die can be selected in the die library, and the die is changed to a forming position.
The plate clamping and forming position control device consists of a robot and a plate clamping device 8, the plate clamping device 8 clamps a plate 7 and places the plate on a die, the clamping force is less than 10Mpa, the electromagnetic forming plate 7 can move in the clamping device when deformed, and the plate can move up and down along the clamping direction of the plate 7 under the action of the electromagnetic forming force to coordinate the deformation of the plate 7; the clamping device is arranged on a mechanical arm of the robot 9, the robot 9 is controlled by the robot control system to drive the plate 7 to move, the electromagnetic forming of the plate 7 is carried out according to a preset track, the area where the plate 7 deforms under stress is in a reasonable position during forming, namely the center of the area where the plate 7 deforms under stress is located at the center of an induction magnetic field, and the normal direction of the area center is consistent with the axial direction (or the vertical direction of the movement of the sliding block) of the die and the coil.
The integrated control system 10 is connected with the electromagnetic forming control system, the coil and die control system and the robot control system, and carries out coordination control on the electromagnetic forming machine 1, the coil and die installation adjusting device and the robot plate clamping device 8 according to the requirements of the workpiece electromagnetic forming process. According to the shape, size and material of the workpiece, the process of electromagnetic forming is designed and determined, the integrated control system 10 transmits the charging and discharging process parameters of the electromagnetic forming, such as charging and discharging period, charging and discharging voltage, discharging frequency and the like, to the electromagnetic forming control system, and the pulse charging and discharging of the electromagnetic forming machine 1 are controlled to carry out single or sequential electromagnetic forming. The integrated control system 10 transmits the initial distance between the workpiece and the magnetic collector 4 and the requirements for the mold to the coil and mold control system, controls the reasonable initial distance between the coil and magnetic collector 4 and the workpiece by adjusting the movement of the upper slider of the upper beam of the coil and mold mounting device 2, and controls the mold on the base to select the determined universal mold 5. The integrated control system 10 transfers the designed workpiece forming track to the robot control system, controls the robot 9 to move, adjusts the position and the direction of the plate 7, and realizes the sequential point-by-point electromagnetic forming of the workpiece.
The general process of using the system to carry out electromagnetic forming on the plate 7 comprises the following steps: the method comprises the steps of inputting forming process parameters such as an electromagnetic forming charging and discharging period, voltage and frequency, requirements such as an initial distance between a universal die 5 and a magnetic collector 4 and a workpiece, a point-by-point electromagnetic forming path of a sheet 7 and the direction of the sheet 7 at a forming point into an equipment integrated control system 10, transmitting relevant parameters to the electromagnetic forming control system, a coil and die control system and a robot control system by the equipment integrated control system 10, and performing coordination control on an electromagnetic forming machine 1, a coil and die mounting adjusting device and a robot sheet clamping and forming position control device. The method comprises the following specific steps: 1. the coil and mould control system controls the coil and mould installation adjusting device to select a mould and adjust the initial distance; 2. the robot control system controls the robot plate clamping and forming position control device to adjust the position direction of the plate 7, and the area to be formed of the plate 7 is transferred to an electromagnetic forming area between the die and the magnetic collector 4; 3. the electromagnetic forming control system controls the electromagnetic forming machine 1 to be charged and then discharged for electromagnetic forming. And if the mould and the initial distance are not changed, repeating the steps 2 and 3 to carry out the electromagnetic forming of the plate 7 point by point in sequence according to a preset forming path. And if the mould and the initial distance are changed in the forming process, repeating the steps 1, 2 and 3 and performing the electromagnetic forming on the plate 7 point by point in sequence according to a preset forming path.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. The flexible sheet electromagnetic forming system is characterized by comprising an electromagnetic forming machine, a coil and die installation adjusting device, a sheet clamping and forming position control device and an integrated control system; the integrated control system is respectively and electrically connected with the electromagnetic forming machine, the coil and die installation adjusting device and the plate clamping and forming position control device; the plate clamping and forming position control device is arranged beside the coil and the die mounting and adjusting device and clamps the plate to be processed;
the coil and die mounting and adjusting device comprises a coil and die mounting device, an electromagnetic forming coil, a magnetism collector, a universal die library and a coil and die control system; the coil and die mounting device comprises a base, an upper cross beam and a sliding block; the base and the upper cross beam can be fixedly connected to form a machine body of the coil and the die mounting device; the upper cross beam is fixedly arranged above the forming station, and the sliding block is arranged on the upper cross beam to realize up-and-down sliding; the electromagnetic forming coil is arranged on the sliding block and is electrically connected with the electromagnetic forming machine; the magnetic collector is arranged on the electromagnetic forming coil and is fixedly connected with the electromagnetic forming coil; the base is fixed below the forming station, and the universal mold library is arranged on the base and is electrically connected with the coil and the mold control system; the universal molds are arranged in a universal mold warehouse;
the plate clamping and forming position control device comprises a robot, a plate clamping device and a robot control system; the robot is fixedly arranged beside the forming station and is electrically connected with a robot control system; the plate clamping device is fixed on a mechanical arm of the robot and is electrically connected with the robot control system, so that the clamping, fixing and shifting operations of the plate to be processed are realized, and the plate to be formed can be placed on a universal die of the coil and die mounting device for carrying out electromagnetic forming at a local position.
2. The flexible sheet electromagnetic forming system according to claim 1, wherein the electromagnetic forming machine comprises an electromagnetic forming charging and discharging system and an electromagnetic forming control system; the electromagnetic forming control system is electrically connected with the electromagnetic forming charging and discharging system; the electromagnetic forming charging and discharging system is electrically connected with the electromagnetic forming coil.
3. The flexible sheet electromagnetic forming system according to claim 1, wherein a plurality of said universal molds are arranged in a universal mold base, and different molds can be changed as required during electromagnetic forming.
4. The system according to claim 1, characterized in that the clamping force of said panel clamping means is set to be less than 10 Mpa.
5. The flexible electromagnetic sheet forming system according to claim 1, wherein said sheet clamping device is capable of up and down movement with damping in the sheet clamping direction, the damping force is set to be 1 to 2 times of the electromagnetic forming force, and the damping force is adjustable according to the electromagnetic forming force.
6. The flexible sheet electromagnetic forming system of claim 1 wherein the sheet to be processed is movable within the sheet clamp during electromagnetic forming.
7. The flexible sheet electromagnetic forming system according to claim 1, wherein the robot control system can control the robot arm and the sheet clamping device of the robot to move, and the sheet at the portion to be formed, where the sheet is clamped, is sequentially placed on the coil and the general die of the die mounting device according to a set forming path to perform electromagnetic forming.
8. The flexible sheet electromagnetic forming system according to claim 1, wherein the center of the area where the sheet is deformed by force is located at the center of the induced magnetic field, the normal direction of the center of the area is consistent with the axial direction of the general mold and the electromagnetic forming coil or the vertical direction of the movement of the slide block, and an initial distance is provided between the front end of the magnetic collector and the sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821183733.3U CN211866297U (en) | 2018-07-24 | 2018-07-24 | Flexible sheet electromagnetic forming system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821183733.3U CN211866297U (en) | 2018-07-24 | 2018-07-24 | Flexible sheet electromagnetic forming system |
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| CN211866297U true CN211866297U (en) | 2020-11-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013820A (en) * | 2018-07-24 | 2018-12-18 | 广东工业大学 | Flexible plate electro-magnetic forming system |
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2018
- 2018-07-24 CN CN201821183733.3U patent/CN211866297U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013820A (en) * | 2018-07-24 | 2018-12-18 | 广东工业大学 | Flexible plate electro-magnetic forming system |
| CN109013820B (en) * | 2018-07-24 | 2024-05-14 | 广东工业大学 | Electromagnetic forming system for flexible plate |
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