CN113249664A - Processing method and processing equipment for light-weight high-strength aluminum alloy - Google Patents

Processing method and processing equipment for light-weight high-strength aluminum alloy Download PDF

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Publication number
CN113249664A
CN113249664A CN202110527353.7A CN202110527353A CN113249664A CN 113249664 A CN113249664 A CN 113249664A CN 202110527353 A CN202110527353 A CN 202110527353A CN 113249664 A CN113249664 A CN 113249664A
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aluminum alloy
magnetic field
alloy rod
chuck
generating mechanism
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CN113249664B (en
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梁稳
杨繁
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Anhui Limu New Material Technology Co ltd
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Anhui Limu New Material Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F3/00Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons

Abstract

The invention discloses a processing method and processing equipment for light-weight high-strength aluminum alloy, which comprises the steps of enabling an aluminum alloy rod to be processed to penetrate through a magnetic field generating mechanism, enabling two ends of the aluminum alloy rod to be respectively inserted into clamping heads on two sides, fixing the aluminum alloy rod on the clamping heads, starting a motor, driving one clamping head to rotate around a shaft through a driving roller by the motor, enabling an aluminum metal rod to be subjected to torsional load, driving one clamping head to rotate around the shaft through the driving roller, enabling the other clamping head to be fixed, enabling the aluminum metal rod to be subjected to torsional load, and enabling a current conducting plate in the clamping head to be connected with pulse electricity in the process of twisting the aluminum alloy rod, so that the pulse electricity passes through the aluminum alloy rod in twisting. According to the processing method and the processing equipment for the light-weight high-strength aluminum alloy, the magnetic field generating mechanism and the pulse current controller are arranged, and the strength of the aluminum alloy rod is improved by applying the pulse electricity and the strong magnetic field in the high-voltage torsion process of the aluminum alloy rod, and meanwhile, the oxidation resistance and the toughness of the aluminum alloy are also improved.

Description

Processing method and processing equipment for light-weight high-strength aluminum alloy
Technical Field
The invention relates to the technical field of aluminum alloy processing, in particular to a processing method and processing equipment for a light-weight high-strength aluminum alloy.
Background
The high-strength aluminum alloy has the characteristics of small density, high strength, good processing performance, excellent welding performance and the like, and is widely applied to the fields of aviation industry, civil industry and the like, severe plastic deformation is required for aluminum alloy processing, the severe plastic deformation method for preparing the alloy material at present mainly comprises a high-pressure torsion method, an equal-diameter angle extrusion deformation method, a lamination rolling technology, repeated creasing-straightening and other technologies, wherein the high-pressure torsion method is the severe plastic deformation method which is most used in the hottest research at present, the high-pressure torsion method can regulate and control the pressure and the number of turns of the material through special high-pressure torsion equipment, large strain is introduced in the deformation process, the alloy can be effectively refined, the alloy material with high strength and large plasticity can be simultaneously obtained through the control of microstructure in the deformation process, the strength requirement of the aluminum alloy in various fields is higher and higher along with the development of science and technology, the aluminum alloy produced by the high-pressure torsion method is insufficient in strength.
Therefore, the processing method and the processing equipment for the light-weight high-strength aluminum alloy are provided, the aluminum alloy is processed by the processing equipment, the strength and the toughness of the aluminum alloy can be improved, and meanwhile, the oxidation resistance of the aluminum alloy is improved.
Disclosure of Invention
The invention mainly aims to provide a processing method and processing equipment for a light-weight high-strength aluminum alloy, which can improve the strength and toughness of the aluminum alloy and simultaneously improve the oxidation resistance of the aluminum alloy by processing the aluminum alloy through the processing equipment, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a processing method of a light-weight high-strength aluminum alloy is applied to processing equipment and comprises the following steps:
a: the aluminum alloy bar to be processed passes through the magnetic field generating mechanism, the distance between the two chucks is adjusted by moving the sliding base according to the length of the aluminum alloy bar, so that the two ends of the aluminum alloy bar are respectively inserted into the chucks on the two sides, and the aluminum alloy bar is fixed on the chucks;
b: after the step A is finished, starting a motor, driving one chuck to rotate around a shaft by the motor through a driving roller, and fixing the other chuck to realize the application of a torsional load on the aluminum metal bar;
c: when the step B is carried out, the conductive plate in the chuck is connected with pulse electricity, the pulse electricity passes through the twisted aluminum alloy rod, the voltage of the pulse electricity is controlled to be 36V through the controller, the frequency of the pulse electricity is controlled to be 700Hz, the electric pulse promotes the diffusion of metal atoms in the aluminum alloy, and the plasticity of the aluminum alloy rod is enhanced;
d: and B, starting the magnetic field generating mechanism while the step B is carried out, wherein the magnetic field intensity generated after the normally-conducting coil is electrified is 1.5T, and the aluminum alloy rod passing through the magnetic field generating mechanism is influenced by a strong magnetic field, so that the angle of sub-grains in the aluminum alloy rod is changed, alloy particles are rearranged, and the strength of the aluminum alloy rod is improved.
The further improvement of the invention is that the motor is closed after the number of turns of the aluminum alloy rod reaches the requirement, the pulse electricity which is connected with the conductive plate is disconnected, and the normally conductive coil in the magnetic field generating mechanism is continuously electrified for 1-2h to keep the arrangement angle of the subgrains and prevent the subgrains from being restored.
The invention further improves the light-weight high-strength aluminum alloy processing equipment, which comprises a workbench, the upper surface of the workbench is provided with a left fixed platform and rails, sliding bases are arranged above the two rails, the upper surface of the sliding base is provided with a right fixed platform which moves along the track through the sliding base, a motor is arranged in the left fixed table, the output end of the motor is connected with a driving roller, one end of the driving roller far away from the left fixed table is provided with a chuck, the side of the right fixed table facing the left fixed table is also provided with a chuck, the two chucks are coaxial to avoid generating additional axial force, the both ends of aluminum alloy stick all are fixed with the chuck, the mounting groove has been seted up at the middle part of workstation upper surface, the last surface mounting of mounting groove has magnetic field to take place the mechanism.
The invention has the further improvement that the magnetic field generating mechanism comprises a shell and a normally conductive coil, wherein the middle part of the shell is provided with a through hole, the aluminum alloy rod penetrates through the through hole during processing, an annular mounting cavity is formed in the shell, the normally conductive coil is fixed in the annular mounting cavity, and the normally conductive coil generates a magnetic field around the magnetic field generating mechanism after being electrified.
The invention is further improved in that the middle part of one side of each of the two chucks opposite to each other is provided with a jack, the inner diameter of each jack is matched with the diameter of the aluminum alloy rod, the tail parts of the two jacks are respectively provided with a conductive plate, a pulse current controller is arranged in one chuck and electrically connected with the conductive plate, the pulse current controller controls the voltage and the frequency of current passing through the conductive plate, the inner side of each jack is provided with a thread groove, and the surface of each thread groove is covered with an insulating layer.
The invention is further improved in that threads are arranged at two ends of the aluminum alloy rod and are respectively inserted into the insertion holes in the two chucks for rotary fixation, the aluminum alloy rod is tightly contacted with the current conducting plate after being fixed, the opposite sides of the two chucks are respectively provided with a fixing plate, an anchor ear is arranged below the fixing plate, the anchor ear and the insertion holes are in the same horizontal line, the anchor ear is connected with the fixing plate through a fastening bolt, the anchor ear is tightened by rotating the fastening bolt to assist in fixing the aluminum alloy rod, and the size of the anchor ear is slightly larger than the diameter of the aluminum alloy rod.
The invention is further improved in that a cooling cavity is arranged in the workbench and is positioned right below the magnetic field generating mechanism, heat generated after the normally-conducting coil in the magnetic field generating mechanism is electrified is guided to the cooling cavity through the shell, and the heat is dissipated by circulating water in the cooling cavity.
Compared with the prior art, the invention has the following beneficial effects:
through the arranged magnetic field generating mechanism and the pulse current controller, in the process of high-voltage torsion of the aluminum alloy rod, by applying a pulse electric with the voltage of 36V and the frequency of 700Hz and a strong magnetic field with the magnetic field intensity of 1.5T, the strength of the aluminum alloy rod is improved by 5 percent compared with the aluminum alloy rod which is only subjected to high-voltage torsion, meanwhile, the oxidation resistance and the toughness of the aluminum alloy are also improved, after the aluminum alloy rod is subjected to high-voltage torsion, because the sub-crystalline grains in the metal are crushed and refined under the action of shearing stress, the pulse electricity acts on the aluminum alloy rod which is subjected to high-voltage torsion, the electric pulse promotes the diffusion of metal atoms in the crushed and refined sub-crystalline grains, the plasticity of the aluminum alloy rod is enhanced, the aluminum alloy rod can be prevented from being cracked too early, the strong magnetic field acts on the aluminum alloy rod which is subjected to high-voltage torsion, the angle of the crushed and refined sub-crystalline grains in the aluminum alloy rod is changed, and the aluminum alloy sub-crystalline grains are rearranged under the action of the magnetic field, the structure required by people is achieved, the strength of the aluminum alloy rod is improved, meanwhile, after the aluminum alloy rod is twisted, the connected pulse electricity can be directly disconnected, the normally conductive coil in the magnetic field generating mechanism is continuously electrified for 1-2 hours, so that the arrangement angle of the subgrain grains is kept to prevent the subgrain grains from being restored, and the strength, the toughness and the oxidation resistance of the processed aluminum alloy rod are ensured to meet the requirements.
Drawings
FIG. 1 is a schematic flow chart of a method for processing a light-weight high-strength aluminum alloy according to the present invention.
FIG. 2 is a perspective view of the overall structure of a light-weight high-strength aluminum alloy processing apparatus according to the present invention.
FIG. 3 is a perspective view of a part of the aluminum alloy processing apparatus with light weight and high strength.
FIG. 4 is a schematic cross-sectional view of the overall structure of a light-weight high-strength aluminum alloy processing apparatus according to the present invention.
FIG. 5 is a schematic cross-sectional view of a chuck of a lightweight high strength aluminum alloy processing apparatus of the present invention.
FIG. 6 is another schematic cross-sectional view of the chuck of the apparatus for processing aluminum alloy with light weight and high strength of the present invention.
In the figure: 1. a work table; 2. a left stationary stage; 3. a right fixed table; 4. a magnetic field generating mechanism; 5. a chuck; 6. a through hole; 7. an aluminum alloy rod; 8. mounting grooves; 9. a track; 10. a sliding base; 11. a motor; 12. a driving roller; 13. a housing; 14. an annular mounting cavity; 15. a normally conductive coil; 16. a pulse current controller; 17. a conductive plate; 18. hooping; 19. a fixing plate; 20. a jack; 21. a thread groove; 22. an insulating layer; 23. and a cooling cavity.
Detailed Description
The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are not intended to be limiting, wherein certain elements may be omitted, enlarged or reduced in size, and are not intended to represent the actual dimensions of the product, so as to better illustrate the detailed description of the invention.
Examples
As shown in fig. 1, a processing method of a light-weight high-strength aluminum alloy is applied to processing equipment, and the processing method comprises the following steps:
a: the aluminum alloy rod (7) to be processed penetrates through the magnetic field generating mechanism (4), the distance between the two chucks (5) is adjusted by moving the sliding base (10) according to the length of the aluminum alloy rod (7), so that the two ends of the aluminum alloy rod (7) are respectively inserted into the chucks (5) on the two sides, the aluminum alloy rod (7) is fixed on the chucks (5), the aluminum alloy rod (7) is fixed with the chucks (5) in a threaded manner, and the hoop (18) plays a role in auxiliary fixing;
b: after the step A is finished, starting a motor (11), wherein the motor (11) drives one chuck (5) to rotate around a shaft through a driving roller (12), the other chuck (5) is fixed to exert a torsional load on the aluminum alloy rod (7), the aluminum alloy rod (7) is subjected to high-pressure torsion, sub-grains in the alloy are crushed and refined under the action of shear stress, and the center of the aluminum alloy rod (7) is similar to the structure of other positions in the radius direction, namely the structure of the whole aluminum alloy rod (7) is relatively uniform after the high-pressure torsion;
c: while the step B is carried out, a conductive plate (17) in the chuck (5) is connected with pulse electricity, the pulse electricity is enabled to pass through the twisted aluminum alloy rod (7), the voltage of the pulse electricity is controlled to be 36V through a pulse current controller (16), the frequency of the pulse electricity is controlled to be 700Hz, the electric pulse promotes the diffusion of metal atoms in the aluminum alloy, and the plasticity of the aluminum alloy rod (7) is enhanced;
d: and (B) starting the magnetic field generating mechanism (4) at the same time of the step (B), enabling the magnetic field intensity generated after the normally conductive coil (15) is electrified to be 1.5T, and enabling the aluminum alloy rod (7) penetrating through the magnetic field generating mechanism (4) to change the angle of the sub-crystalline grains in the aluminum alloy rod (7) under the influence of a strong magnetic field, thereby rearranging alloy particles and improving the intensity of the aluminum alloy rod (7).
And after the number of turns of the aluminum alloy rod (7) reaches the requirement, the motor (11) is turned off, the pulse electricity switched on by the conductive plate (17) is switched off, and the normally conductive coil (15) in the magnetic field generating mechanism (4) is continuously electrified for 1-2h to keep the arrangement angle of the subgrains and prevent the subgrains from being restored.
As shown in fig. 2-6, a light-weight high-strength aluminum alloy processing device comprises a workbench (1), wherein a left fixed table (2) and rails (9) are installed on the upper surface of the workbench (1), sliding bases (10) are installed above the two rails (9), a right fixed table (3) is installed on the upper surface of the sliding bases (10), the right fixed table (3) moves along the rails (9) through the sliding bases (10), a motor (11) is installed inside the left fixed table (2), the output end of the motor (11) is connected with a transmission roller (12), a chuck (5) is installed at one end, far away from the left fixed table (2), of the transmission roller (12), a chuck (5) is installed on one side, facing the left fixed table (2), of the right fixed table (3) and the chuck (5) are installed on the same side, the two chucks (5) should be coaxial to avoid generating additional axial force, two ends of an aluminum alloy rod (7) are fixed with the chucks (5), the middle part of the upper surface of the workbench (1) is provided with a mounting groove (8), the upper surface of the mounting groove (8) is provided with a magnetic field generating mechanism (4), when an aluminum alloy rod (7) is mounted, one end of the aluminum alloy rod penetrates through the magnetic field generating mechanism (4) and is inserted into the chuck (5) on the left fixing table (2), the right fixing table (3) moves along a track (9) through a sliding base (10), the other end of the aluminum alloy rod (7) is inserted into the chuck (5) on the right fixing table (3), after a motor (11) is started, the motor (11) drives one chuck (5) to rotate around a shaft through a driving roller (12), the other chuck (5) is fixed, so that a torsion load is continuously applied to the aluminum alloy rod (7), no additional axial force is generated, no impact or vibration is generated to the aluminum alloy rod (7), the aluminum alloy rod (7) transmits torque through friction in a high-pressure torsion process, the aluminum alloy rod (7) has a great shearing effect inside, sub-grains inside the aluminum alloy rod (7) are broken and refined under the action of shearing stress, the structure tends to be uniform, and the finer and more uniform the sub-grains are, the better the comprehensive performance of the material is.
The magnetic field generating mechanism (4) comprises a shell (13) and a normally conductive coil (15), a through hole (6) is formed in the middle of the shell (13), the aluminum alloy rod (7) penetrates through the through hole (6) during machining, an annular mounting cavity (14) is formed in the shell (13), the normally conductive coil (15) is fixed in the annular mounting cavity (14), and a magnetic field is generated around the magnetic field generating mechanism (4) after the normally conductive coil (15) is electrified, under the influence of an external strong magnetic field, the originally disordered-arranged, crushed and refined sub-crystals in the aluminum alloy rod (7) tend to be arranged in the direction of the strong magnetic field, so that the angle of the crushed and refined sub-crystals in the aluminum alloy rod (7) is changed, the required arrangement structure is achieved, and the strength of the aluminum alloy rod (7) is improved, and in order to prevent the arrangement of the sub-grains from returning to the original position after the magnetic field disappears, the strong magnetic field is continuously maintained for 1-2h after the aluminum alloy rod (7) stops twisting.
Jack (20) have all been seted up at the middle part of the relative one side of two chucks (5), the internal diameter size of jack (20) and the diameter phase-match of aluminum alloy stick (7), current conducting plate (17) are all installed to the afterbody of two jacks (20), the internally mounted of one of them chuck (5) has pulse current controller (16), pulse current controller (16) and current conducting plate (17) electric connection, pulse current controller (16) control the voltage and the frequency of the electric current through current conducting plate (17), thread groove (21) have been seted up to the inboard of jack (20), the surface of thread groove (21) covers insulating layer (22), insulating layer (22) are used for preventing current leakage when leading to pulse electricity for aluminum alloy stick (7), aluminum alloy stick (7) are extrudeed after the installation is fixed, make its both ends all with current conducting plate (17) in close contact with, aluminum alloy stick (7) twist at high pressure and make and put through pulse electricity through current conducting plate (17), the electric pulse promotes the diffusion of metal atoms in the aluminum alloy rod (7), the plasticity of the aluminum alloy rod (7) is enhanced, meanwhile, the pulse electricity increases the diffusion speed of atoms, the stress concentration at the grain boundary is reduced, the formation and the growth of a cavity at the grain boundary are inhibited, the aluminum alloy rod (7) is prevented from being broken early during twisting, the number of turns which can be twisted is increased, and the finer and more uniform the broken subgrain grains are along with the increase of the number of turns of the aluminum alloy rod (7) in twisting.
The both ends of aluminum alloy stick (7) are equipped with the screw thread, and insert jack (20) internal rotation on two chucks (5) respectively and fix, aluminum alloy stick (7) are fixed back and current conducting plate (17) in close contact with, fixed plate (19) are all installed to the relative one side of two chucks (5), the below of fixed plate (19) is provided with staple bolt (18), staple bolt (18) and jack (20) are at same water flat line, staple bolt (18) are connected with fixed plate (19) through fastening bolt, rotatory fastening bolt makes staple bolt (18) tighten up supplementary fixed aluminum alloy stick (7), the size of staple bolt (18) slightly is greater than the diameter of aluminum alloy stick (7).
A cooling cavity (23) is arranged in the workbench (1), the cooling cavity (23) is located right below the magnetic field generating mechanism (4), heat generated after a normally conductive coil (15) in the magnetic field generating mechanism (4) is electrified is guided to the cooling cavity (23) through the shell (13), and heat is dissipated by circulating water in the cooling cavity (23).
By adopting the technical scheme: through the arranged magnetic field generating mechanism (4) and the pulse current controller (16), in the process of high-voltage torsion of the aluminum alloy rod (7), by applying a pulse electric with the voltage of 36V and the frequency of 700Hz and a strong magnetic field with the magnetic field intensity of 1.5T, compared with the aluminum alloy rod (7) which is only subjected to high-voltage torsion, the strength of the aluminum alloy rod (7) is improved by 5 percent, meanwhile, the oxidation resistance and the toughness of the aluminum alloy are also improved, after the aluminum alloy rod (7) is subjected to high-voltage torsion, because the sub-grains in the metal are crushed and refined under the action of shearing stress, the pulse electricity acts on the aluminum alloy rod (7) which is subjected to high-voltage torsion, the electric pulse promotes the diffusion of metal atoms in the crushed and refined sub-grains, the plasticity of the aluminum alloy rod (7) is enhanced, meanwhile, the aluminum alloy rod (7) can be prevented from being cracked prematurely, and the strong magnetic field acts on the aluminum alloy rod (7) which is subjected to high-voltage torsion, the angle of the crushed and refined sub-grains in the aluminum alloy rod (7) is changed, the sub-grains of the aluminum alloy are rearranged under the action of the magnetic field, the structure required by people is achieved, the strength of the aluminum alloy rod (7) is improved, meanwhile, after the aluminum alloy rod (7) is twisted, the switched-on pulse power can be directly switched off, the normally conductive coil (15) in the magnetic field generating mechanism (4) is continuously electrified for 1-2 hours, the arrangement angle of the sub-grains is kept to prevent the sub-grains from being restored, and the strength, the toughness and the oxidation resistance of the processed aluminum alloy rod (7) are ensured to meet the requirements.
When the aluminum alloy machining method and the aluminum alloy machining equipment are used, firstly, an aluminum alloy rod (7) to be machined penetrates through a magnetic field generating mechanism (4), the distance between two chucks (5) is adjusted by moving a sliding base (10) according to the length of the aluminum alloy rod (7), two ends of the aluminum alloy rod (7) are respectively inserted into the chucks (5) on two sides, the aluminum alloy rod (7) is fixed on the chucks (5), secondly, a motor (11) is started, the motor (11) drives one chuck (5) to rotate around a shaft through a driving roller (12), the other chuck (5) is fixed and fixed, so that a torsion load is applied to the aluminum alloy rod (7), furthermore, in the torsion process of the aluminum alloy rod (7), a conductive plate (17) in the chuck (5) is connected with pulse electricity, and the pulse electricity passes through the torsion aluminum alloy rod (7), the voltage of the pulse electricity is controlled to be 36V by a pulse current controller (16), the frequency is controlled to be 700Hz, the electric pulse promotes the diffusion of metal atoms in the aluminum alloy, the plasticity of the aluminum alloy rod (7) is enhanced, and finally, in the process of twisting the aluminum alloy rod (7), the magnetic field generating mechanism (4) is started, the magnetic field intensity generated after the normally conductive coil (15) is electrified is 1.5T, the aluminum alloy rod (7) passing through the magnetic field generating mechanism (4) is influenced by a strong magnetic field, the angle of sub-crystalline grains in the aluminum alloy rod (7) is changed, alloy particles are rearranged, the strength of the aluminum alloy rod (7) is improved, the motor (11) is closed after the number of twisting turns of the aluminum alloy rod (7) meets the requirement, meanwhile, the pulse of the conducting plate (17) is switched on is electrically switched off, and the normally conducting coil (15) in the magnetic field generating mechanism (4) is continuously electrified for 1-2h to keep the arrangement angle of the subgrains and prevent the subgrains from being restored.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A processing method of light-weight high-strength aluminum alloy is applied to processing equipment and is characterized in that: the processing method comprises the following steps:
a: the aluminum alloy bar to be processed passes through the magnetic field generating mechanism, the distance between the two chucks is adjusted by moving the sliding base according to the length of the aluminum alloy bar, so that the two ends of the aluminum alloy bar are respectively inserted into the chucks on the two sides, and the aluminum alloy bar is fixed on the chucks;
b: after the step A is finished, starting a motor, driving one chuck to rotate around a shaft by the motor through a driving roller, and fixing the other chuck to realize the application of a torsional load on the aluminum alloy rod;
c: when the step B is carried out, the conductive plate in the chuck is connected with pulse electricity, the pulse electricity passes through the twisted aluminum alloy rod, the voltage of the pulse electricity is controlled to be 36V through a pulse current controller, the frequency of the pulse electricity is controlled to be 700Hz, the electric pulse promotes the diffusion of metal atoms in the aluminum alloy, and the plasticity of the aluminum alloy rod is enhanced;
d: and B, starting the magnetic field generating mechanism while the step B is carried out, wherein the magnetic field intensity generated after the normally-conducting coil is electrified is 1.5T, and the aluminum alloy rod passing through the magnetic field generating mechanism is influenced by a strong magnetic field, so that the angle of sub-grains in the aluminum alloy rod is changed, alloy particles are rearranged, and the strength of the aluminum alloy rod is improved.
2. A method of processing a lightweight high strength aluminum alloy as recited in claim 1, further comprising: and after the number of turns of the aluminum alloy rod reaches the requirement, the motor is turned off, the pulse electricity connected with the conductive plate is turned off, and the normally conductive coil in the magnetic field generating mechanism is continuously electrified for 1-2h to keep the arrangement angle of the subgrains and prevent the subgrains from being restored.
3. The utility model provides a light weight high strength aluminum alloy processing equipment, includes the workstation, its characterized in that: the utility model discloses an aluminum alloy bar's production line, including workstation, slide base, drive roller, chuck, slide base's last surface mounting has left fixed station and track, two slide base all installs slide base in orbital top, slide base's last surface mounting has right fixed station, right side fixed station passes through slide base along rail movement, the internally mounted of left side fixed station has the motor, the output of motor is connected with the driving roller, the chuck is installed to the one end of keeping away from left fixed station of driving roller, the chuck is installed equally to one side of left fixed station towards right side fixed station, two the chuck should keep coaxial avoiding producing additional axial force, the both ends of aluminum alloy bar are all fixed with the chuck, the mounting groove has been seted up at the middle part of workstation upper surface, the last surface mounting of mounting groove has magnetic field generating mechanism.
4. A lightweight high strength aluminum alloy processing apparatus as set forth in claim 3, wherein: the magnetic field generating mechanism comprises a shell and a normally conductive coil, a through hole is formed in the middle of the shell, the aluminum alloy rod penetrates through the through hole during machining, an annular mounting cavity is formed in the shell, the normally conductive coil is fixed in the annular mounting cavity, and a magnetic field is generated around the magnetic field generating mechanism after the normally conductive coil is electrified.
5. A lightweight high strength aluminum alloy processing apparatus as set forth in claim 1, wherein: two the jack has all been seted up at the middle part of one side that the chuck is relative, the internal diameter size of jack and the diameter phase-match of aluminum alloy stick, two the current conducting plate is all installed to the afterbody of jack, one of them the internally mounted of chuck has pulse current controller, pulse current controller and current conducting plate electric connection, pulse current controller controls the voltage and the frequency of the electric current through the current conducting plate, the thread groove has been seted up to the inboard of jack, the surface covering of thread groove has the insulating layer.
6. A light weight, high strength aluminum alloy processing apparatus as recited in claim 5, wherein: the both ends of aluminum alloy stick are equipped with the screw thread to insert the jack internal rotation on two chucks respectively fixedly, aluminum alloy stick fixed back and current conducting plate in close contact with, two the fixed plate is all installed to the relative one side of chuck, the below of fixed plate is provided with the staple bolt, staple bolt and jack are on same water flat line, the staple bolt passes through fastening bolt and is connected with the fixed plate, and rotatory fastening bolt makes the staple bolt tighten up supplementary fixed aluminum alloy stick, the size of staple bolt slightly is greater than the diameter of aluminum alloy stick.
7. A light weight, high strength aluminum alloy processing apparatus as recited in claim 4, wherein: the inside of workstation is provided with the cooling chamber, the cooling chamber is located magnetic field generation mechanism under, the heat that produces after the normal turn-on coil circular telegram among the magnetic field generation mechanism passes through the casing and leads the cooling chamber, is dispelled the heat by the circulating water of cooling intracavity.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115821179A (en) * 2022-12-16 2023-03-21 西安交通大学 Method for processing metal material by electromagnetic coupling assistance

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