CN112646969B - Aluminum profile aging treatment process and aging treatment device - Google Patents
Aluminum profile aging treatment process and aging treatment device Download PDFInfo
- Publication number
- CN112646969B CN112646969B CN202011635901.XA CN202011635901A CN112646969B CN 112646969 B CN112646969 B CN 112646969B CN 202011635901 A CN202011635901 A CN 202011635901A CN 112646969 B CN112646969 B CN 112646969B
- Authority
- CN
- China
- Prior art keywords
- furnace
- aluminum profile
- aging
- fixedly connected
- aging treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/05—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention relates to the technical field of aluminum profile production, in particular to an aluminum profile aging process and a processing device, wherein the device comprises an aging furnace, a driving box is fixedly connected to one side of the top of the aging furnace, a driving motor is fixedly connected to one side inside the driving box, the output end of the driving motor is fixedly connected with a rotating shaft through a coupler, one end of the rotating shaft is rotatably connected with the inner wall of the driving box through a bearing seat, two sides of the outer surface of the rotating shaft are fixedly sleeved with containing wheels, pull ropes are fixedly wound on the containing wheels, the bottoms of the pull ropes are fixedly connected with fixed blocks, the bottoms of the fixed blocks are fixedly connected with furnace doors, and the input end of the aging furnace is provided with a furnace opening. The process of the invention is beneficial to the defect elimination and the atom segregation of the aluminum profile by rapidly increasing the temperature to the aging temperature and shortening the heat preservation time, and simultaneously can avoid the coarse grains in the aluminum profile, improve the strength of the aluminum profile and ensure that the toughness of the aluminum profile is not reduced.
Description
Technical Field
The invention relates to the technical field of aluminum profile production, in particular to an aluminum profile aging treatment process and an aluminum profile aging treatment device.
Background
At present, aluminum profiles are widely used in the industrial field as basic materials for military and civil industries, and aging treatment refers to a heat treatment process in which an alloy workpiece is subjected to solution treatment, cold plastic deformation or casting, and then is left at a higher temperature or kept at room temperature after forging to change the properties, shape and size of the alloy workpiece with time.
The existing industrial aluminum profile has the problems of long heat treatment time, overheating, overlong heat preservation time and the like during aging treatment, and can cause the heat in an aging furnace to be quickly dissipated when the aluminum profile is taken out, the later-stage heating time is long, and the energy consumption is large.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an aluminum profile aging treatment process and an aluminum profile aging treatment device, which have the advantages of fast temperature rise and high efficiency, and solve the problems of long heat treatment time, overheating, overlong heat preservation time and fast heat dissipation in a furnace during material taking of the existing industrial aluminum profile during aging treatment.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an aluminium alloy aging treatment device, includes the ageing furnace, one side fixedly connected with drive case at ageing furnace top, one side fixedly connected with driving motor of drive incasement portion, driving motor's output passes through shaft coupling fixedly connected with axis of rotation, the one end of axis of rotation is passed through the bearing frame and is connected with the inner wall rotation of drive case, the wheel is accomodate to the equal fixed cup joint in both sides of axis of rotation surface, it takes turns to accomodate fixed winding has the stay cord, the bottom fixedly connected with fixed block of stay cord, the bottom fixedly connected with furnace gate of fixed block, the input of ageing furnace is equipped with the fire door, the furnace gate is located the front of fire door.
Furthermore, one side at the top of the driving box is fixedly connected with an access panel through a screw, and the driving box and the rotating shaft are positioned under the access panel.
Furthermore, the two sides of the outer surface of the rotating shaft are rotatably sleeved with rotating sleeves, the bottoms of the rotating sleeves are fixedly connected with supporting rods, and the bottoms of the supporting rods are fixedly connected to the inner bottom wall of the driving box.
Furthermore, the both ends of ageing oven near fire door one side all fixedly connected with gib block, the equal fixedly connected with guide block in both sides at the furnace gate back, guide block sliding connection is in the outside of gib block.
Furthermore, an observation window is embedded in the middle of the front face of the aging furnace, a controller is fixedly connected to the lower right corner of the front face of the aging furnace, and the controller is electrically connected with electrical elements in the aging furnace.
Further, the bottom of furnace gate is equipped with the overlap joint board, overlap joint board fixed connection is on the ageing furnace, and the top of overlap joint board flushes with the interior diapire of fire door, the bottom fixedly connected with dead lever of furnace gate, the bottom fixedly connected with bottom plate of dead lever.
The invention improves the opening and closing mode of the furnace door, adopts the opening and closing of up and down movement, can lift the furnace door according to the height of the aluminum profile, reduces the loss of heat in the aging furnace to the maximum extent, directly blocks the heat in the aging furnace, simultaneously does not need to leave enough space at the furnace mouth for opening the furnace door, can prepare the aluminum profile needing aging treatment of the next furnace at the furnace mouth, and improves the production efficiency of the aging furnace.
An aluminum profile aging treatment process comprises the following steps:
s1, carrying out solution treatment on an aluminum profile, loading the aluminum profile into an aging furnace for aging treatment after the solution treatment, raising the temperature of the aging furnace to 165-180 ℃ at a temperature rise speed of 30-50 ℃/h, and keeping the temperature for 1-2 hours;
s2, cutting off a power supply of the aging furnace, cooling the aluminum profile in the aging furnace to 110-120 ℃ along with the furnace, and preserving heat for 1-2 hours;
s3, when the heat preservation time is up, the aluminum profile is discharged, the power supply of the fan is turned off firstly when the aluminum profile is discharged, then the furnace door is opened, and the aluminum profile is pulled out and cooled by strong wind;
and S4, when the temperature of the aluminum profile is reduced to 50-70 ℃, the aluminum profile is continuously cooled to the normal temperature after the wind speed is reduced.
Further, in the step S1, the aluminum profile comprises the following chemical components (wt%): 0.70% -1.4%, fe: less than or equal to 0.15 percent, cu: 0.60% -1.0%, mn: 0.50% -0.80%, mg: 0.60% -1.20%, ti: ≦ 0.015%, other singles: less than or equal to 0.05 percent and the balance of aluminum.
Further, the speed of the strong wind in the step S3 is controlled to be 50-60Km/h.
Further, the speed of the wind is controlled to be 30-40Km/h in the step S4.
Further, before the solution treatment, the production inspection accompanying card of the aluminum profile is taken down, so that the protection is good, and the serial number, the alloy brand, the state, the product model, the weight, the count, the aging furnace number and the like of the aluminum profile of the batch are filled in the time-effect original record.
Further, in the aging treatment process, the next furnace material should be prepared and placed beside the aging furnace before the last furnace is discharged, so that the next furnace aluminum profile can be charged and aged immediately after the aluminum profile is discharged, and the production efficiency of the aging furnace is improved.
Further, during the aging treatment, the monitoring combustion system of the aging furnace should be frequently aged and the temperature display on the controller should be correct.
By means of the technical scheme, the invention provides a specific aluminum profile aging treatment process and an aging treatment device aiming at an aluminum profile with specific components, and the process and the device at least have the following beneficial effects:
1. according to the invention, the defect elimination and atomic segregation of the aluminum profile are facilitated by rapidly increasing the temperature to the aging temperature and shortening the heat preservation time, and meanwhile, the large and large crystal grains in the aluminum profile can be avoided, the strength of the aluminum profile is improved and the toughness of the aluminum profile is ensured not to be reduced.
2. The soluble phase of the aluminum profile is dissolved by heating and heat preservation, then the aluminum profile is cooled and heat preserved, and finally the aluminum profile is quenched to ensure that a large amount of strengthening phase is dissolved in the alpha solid solution to obtain a supersaturated solid solution, so that the hardness, the strength and the corrosion resistance of the aluminum profile are improved.
3. The invention further adjusts the microstructure and the mechanical property of the aluminum profile by changing the air cooling speed, so that the aluminum profile has better strength and internal stress elimination.
In a word, the invention can eliminate the internal stress caused by uneven cooling speed when the aluminum profile is crystallized and solidified, improve the mechanical strength and hardness of the aluminum profile, and improve the metallographic structure, so that the aluminum profile has certain plasticity, cutting processing performance and welding performance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:
FIG. 1 is a schematic structural diagram of an aluminum profile aging treatment device of the invention;
FIG. 2 is a partially enlarged view of the part A of the aging treatment device for aluminum profiles of the invention in FIG. 1;
FIG. 3 is a sectional view of a driving box structure of the aluminum profile aging treatment device.
In the figure: 1. aging furnace; 2. a drive box; 3. a drive motor; 4. a rotating shaft; 5. a storage wheel; 6. pulling a rope; 7. a fixed block; 8. a furnace door; 9. an access panel; 10. rotating the sleeve; 11. a strut; 12. a guide strip; 13. an observation window; 14. a controller; 15. fixing the rod; 16. a base plate; 17. a lap plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-3, an aluminium alloy aging treatment device, including aging oven 1, one side fixedly connected with drive box 2 at 1 top of aging oven, one side fixedly connected with driving motor 3 inside drive box 2, driving motor 3's output passes through shaft coupling fixedly connected with axis of rotation 4, the inner wall that the bearing frame was passed through with drive box 2 to the one end of axis of rotation 4 rotates and is connected, the both sides of 4 surfaces of axis of rotation are all fixed to be cup jointed and have accomodate wheel 5, it has stay cord 6 to fix the winding on the wheel 5 to accomodate, the bottom fixedly connected with fixed block 7 of stay cord 6, the bottom fixedly connected with furnace gate 8 of fixed block 7, aging oven 1's input is equipped with the fire door, furnace gate 8 is located the front of fire door.
One side at 2 tops of drive case is through screw fixedly connected with access panel 9, drive case 2 and axis of rotation 4 are located access panel 9 under, the both sides of 4 surfaces of axis of rotation are all rotated and have been cup jointed and have been changeed cover 10, the bottom fixedly connected with branch 11 of changeing cover 10, the bottom fixed connection of branch 11 is at the interior diapire of drive case 2, ageing furnace 1 is close to the equal fixedly connected with gib block in both ends of fire door one side 12, the equal fixedly connected with guide block in both sides at the furnace gate 8 back, guide block sliding connection is in the outside of gib block 12, the positive middle part of ageing furnace 1 inlays and is equipped with observation window 13, the positive lower right corner fixedly connected with controller 14 of ageing furnace 1, controller 14 is connected with the electrical components electricity in ageing furnace 1, the bottom of furnace gate 8 is equipped with overlap plate 17, overlap plate 17 fixed connection is on ageing furnace 1, and overlap plate 17's top flushes with the diapire of fire door, the bottom fixedly connected with dead lever 15 of furnace gate 8, the bottom fixedly connected with bottom floor 16 of dead lever 15.
The mode of opening and shutting of furnace gate 8 has been improved, adopt the opening and shutting that reciprocates, can promote furnace gate 8 according to the height of aluminium alloy, reduce thermal loss in the ageing furnace 1 in the at utmost, the directness separates the heat in the ageing furnace 1, simultaneously, need not to leave sufficient space at the fire door and supply furnace gate 8 to open, after the aluminium alloy is dragged out when process step S3, can be with the fire door department prepare the next stove and need carry out the aluminium alloy of ageing treatment and can handle, improve ageing furnace production efficiency.
The first embodiment is as follows:
an aluminum profile aging treatment process comprises the following steps:
s1, chemical components are composed of (wt%) 1.01% of Si, 0.08% of Fe, 0.73% of Cu, 0.51% of Mn, 0.96% of Mg, 0.01% of Ni, 0.01% of Zn, 0.012% of Ti, less than or equal to 0.05% of single impurity, less than or equal to 0.15% of total impurity and the balance of Al, aluminum profiles are put into an aging furnace for aging treatment after solution treatment, the furnace temperature of the aging furnace is increased to 180 ℃ at the temperature increasing speed of 30 ℃/h, and the temperature is maintained for 1 hour;
s2, cutting off a power supply of the aging furnace, cooling the aluminum profile in the aging furnace to 120 ℃ along with the furnace, keeping the temperature for 1 hour, preparing the next furnace material before the aluminum profile is discharged from the previous furnace and placing the next furnace material beside the aging furnace in the aging treatment process so that the aluminum profile can be charged into the next furnace for aging immediately after the aluminum profile is discharged from the furnace, improving the production efficiency of the aging furnace, and judging whether a monitoring combustion system of the aging furnace is normal and whether the temperature display on a controller is correct or not in the aging treatment process;
s3, when the heat preservation time is up, the aluminum profile is discharged, the power supply of the fan is turned off firstly when the aluminum profile is discharged, then the furnace door is opened, and the aluminum profile is pulled out and cooled by strong wind;
and S4, when the temperature of the aluminum profile is reduced to 50 ℃, the aluminum profile is continuously cooled to the normal temperature after the wind speed is reduced.
And S3, controlling the speed of the strong wind to be 50Km/h.
And step S3, controlling the wind speed at 30Km/h.
Example two:
an aluminum profile aging treatment process comprises the following steps:
s1, the chemical components are composed of (wt%) 0.93% of Si, 0.06% of Fe, 0.71% of Cu, 0.54% of Mn, 0.87% of Mg, 0.01% of Ni, 0.01% of Zn, 0.011% of Ti, less than or equal to 0.05% of single impurity, less than or equal to 0.15% of total impurity, and the balance of Al, aluminum profiles are put into an aging furnace for aging treatment after solution treatment, the furnace temperature of the aging furnace is raised to 175 ℃ at the heating rate of 40 ℃/h, and the temperature is kept for 1 hour;
s2, cutting off a power supply of the aging furnace, cooling the aluminum profile in the aging furnace to 115 ℃ along with the furnace, preserving heat for 2 hours, preparing the next furnace material before the aluminum profile is discharged from the previous furnace and placing the next furnace material beside the aging furnace in the aging treatment process so that the aluminum profile in the next furnace can be loaded and aged immediately after the aluminum profile is discharged from the furnace, improving the production efficiency of the aging furnace, and monitoring whether a combustion system of the aging furnace is normal and whether temperature display on a controller is correct or not in the aging treatment process;
s3, when the heat preservation time is up, the aluminum profile is discharged, the power supply of the fan is turned off firstly when the aluminum profile is discharged, then the furnace door is opened, and the aluminum profile is pulled out and cooled by strong wind;
and S4, when the temperature of the aluminum profile is reduced to 70 ℃, the aluminum profile is continuously cooled to the normal temperature after the wind speed is reduced.
And S3, controlling the speed of the strong wind to be 55Km/h.
And step S3, controlling the wind speed at 35Km/h.
Example three:
an aluminum profile aging treatment process comprises the following steps:
s1, the chemical components are composed of (wt%) 0.72% of Si, 0.05% of Fe, 0.80% of Cu, 0.64% of Mn, 0.89% of Mg, 0.01% of Ni, 0.01% of Zn, 0.012% of Ti, less than or equal to 0.05% of single impurity, less than or equal to 0.15% of total impurity and the balance of Al, aluminum profiles are put into an aging furnace for aging treatment after solution treatment, the furnace temperature of the aging furnace is increased to 170 ℃ at the heating rate of 50 ℃/h, and the temperature is kept for 2 hours;
s2, cutting off a power supply of the aging furnace, cooling the aluminum profile in the aging furnace to 120 ℃ along with the furnace, preserving heat for 1 hour, preparing a next furnace material before the aluminum profile is discharged from the previous furnace and placing the next furnace material beside the aging furnace in the aging treatment process so that the aluminum profile in the next furnace can be loaded and aged immediately after the aluminum profile is discharged from the furnace, improving the production efficiency of the aging furnace, and monitoring whether a combustion system of the aging furnace is normal and whether temperature display on a controller is correct or not in the aging treatment process;
s3, when the heat preservation time is up, the aluminum profile is discharged, the power supply of the fan is turned off firstly when the aluminum profile is discharged, then the furnace door is opened, and the aluminum profile is pulled out and cooled by strong wind;
and S4, when the temperature of the aluminum profile is reduced to 70 ℃, the aluminum profile is continuously cooled to the normal temperature after the wind speed is reduced.
And S3, controlling the speed of the strong wind to be 60Km/h.
And step S3, controlling the wind speed at 30Km/h.
Through the processing equipment and the processing technology, the hardness of the steel plate in the embodiment 3 of the invention is between 134 and 138HB, the yield strength is between 371 and 376MPa, and the tensile strength is between 402 and 412 MPa.
According to the invention, through rapidly increasing the temperature to the aging temperature and shortening the heat preservation time, the defect elimination and the atom segregation of the aluminum profile are facilitated, and meanwhile, the coarseness of crystal grains in the aluminum profile can be avoided, so that the strength of the aluminum profile is improved and the toughness of the aluminum profile is ensured not to be reduced.
The invention makes the soluble phase of the aluminum section dissolved by heating and heat preservation, then cooling and heat preservation, and finally quenching to make a large amount of strengthening phase dissolved in the alpha solid solution to obtain supersaturated solid solution, so as to improve the hardness, strength and corrosion resistance of the aluminum section.
The invention further adjusts the microstructure and the mechanical property of the aluminum profile by changing the air cooling speed, improves the strength of the aluminum profile and ensures the toughness of the aluminum profile.
In a word, the invention can eliminate the internal stress caused by the uneven cooling speed when the aluminum profile is crystallized and solidified, improve the mechanical strength and hardness of the aluminum profile, and improve the metallographic structure, so that the aluminum profile has certain plasticity, cutting processing performance and welding performance.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An aluminum profile aging treatment process is characterized by comprising the following steps:
s1, carrying out solid solution treatment on an aluminum profile, then loading the aluminum profile into an aging furnace for aging treatment, raising the furnace temperature of the aging furnace to 165-180 ℃ at a temperature raising speed of 30-50 ℃/h, and keeping the temperature for 1-2 hours;
s2, cutting off a power supply of the aging furnace, cooling the aluminum profile in the aging furnace to 110-120 ℃ along with the furnace, and preserving heat for 1-2 hours;
s3, when the heat preservation time is up, the aluminum profile is discharged, the power supply is turned off when the aluminum profile is discharged, then the furnace door is opened, and the aluminum profile is pulled out and cooled by strong wind;
s4, when the temperature of the aluminum profile is reduced to 50-70 ℃, the aluminum profile is continuously cooled to the normal temperature after the wind speed is reduced,
in the step S1, the aluminum profile comprises the following chemical components (wt%): 0.70% -1.4%, fe: less than or equal to 0.15%, cu: 0.60% -1.0%, mn: 0.50% -0.80%, mg: 0.60% -1.20%, ti: less than or equal to 0.015 percent and other single components: less than or equal to 0.05 percent, the balance of aluminum,
the aluminum profile aging treatment device adopted by the process comprises an aging furnace (1), and is characterized in that: one side of the top of the aging furnace (1) is fixedly connected with a driving box (2), one side in the driving box (2) is fixedly connected with a driving motor (3), the output end of the driving motor (3) is fixedly connected with a rotating shaft (4) through a coupler, one end of the rotating shaft (4) is rotationally connected with the inner wall of the driving box (2) through a bearing seat, the two sides of the outer surface of the rotating shaft (4) are fixedly sleeved with containing wheels (5), a pull rope (6) is fixedly wound on the storage wheel (5), the bottom of the pull rope (6) is fixedly connected with a fixing block (7), the bottom of the fixed block (7) is fixedly connected with a furnace door (8), the input end of the aging furnace (1) is provided with a furnace opening, the furnace door (8) is positioned on the front side of the furnace opening, both ends of one side of the aging furnace (1) close to the furnace mouth are fixedly connected with guide strips (12), the two sides of the back of the furnace door (8) are fixedly connected with guide blocks which are connected to the outer sides of the guide strips (12) in a sliding way, the bottom of the furnace door (8) is provided with a lapping plate (17), the lapping plate (17) is fixedly connected on the aging furnace (1), the top of the lap plate (17) is flush with the inner bottom wall of the furnace opening, the bottom of the furnace door (8) is fixedly connected with a fixed rod (15), the bottom of the fixed rod (15) is fixedly connected with a bottom plate (16).
2. The aluminum profile aging treatment process as claimed in claim 1, characterized in that: one side at drive case (2) top is through screw fixedly connected with access panel (9), drive case (2) and axis of rotation (4) are located access panel (9) under.
3. The aluminum profile aging treatment process according to claim 1, characterized in that: the two sides of the outer surface of the rotating shaft (4) are respectively rotatably sleeved with a rotating sleeve (10), the bottom of each rotating sleeve (10) is fixedly connected with a supporting rod (11), and the bottom of each supporting rod (11) is fixedly connected to the inner bottom wall of the driving box (2).
4. The aluminum profile aging treatment process according to claim 1, characterized in that: an observation window (13) is embedded in the middle of the front face of the aging furnace (1), a controller (14) is fixedly connected to the right lower corner of the front face of the aging furnace (1), and the controller (14) is electrically connected with an electrical element in the aging furnace (1).
5. The aluminum profile aging treatment process as claimed in claim 1, characterized in that: and S3, controlling the speed of strong wind to be 50-60Km/h.
6. The aluminum profile aging treatment process as claimed in claim 1, characterized in that: and S4, controlling the wind speed to be 30-40Km/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011635901.XA CN112646969B (en) | 2020-12-31 | 2020-12-31 | Aluminum profile aging treatment process and aging treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011635901.XA CN112646969B (en) | 2020-12-31 | 2020-12-31 | Aluminum profile aging treatment process and aging treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112646969A CN112646969A (en) | 2021-04-13 |
| CN112646969B true CN112646969B (en) | 2022-12-20 |
Family
ID=75367176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011635901.XA Active CN112646969B (en) | 2020-12-31 | 2020-12-31 | Aluminum profile aging treatment process and aging treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112646969B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114262826A (en) * | 2021-12-01 | 2022-04-01 | 上海交通大学重庆研究院 | Low-alloy Al-Si high-toughness die-casting aluminum alloy and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5203772B2 (en) * | 2008-03-31 | 2013-06-05 | 株式会社神戸製鋼所 | Aluminum alloy sheet excellent in paint bake hardenability and suppressing room temperature aging and method for producing the same |
| CN104775059B (en) * | 2015-04-21 | 2017-03-22 | 宝山钢铁股份有限公司 | Al-Mg-Si series aluminum-alloy material with long-time natural aging stability, aluminum-alloy plate and manufacturing method thereof |
| CN205115530U (en) * | 2015-09-23 | 2016-03-30 | 宁波兴波机械有限公司 | Use circulating aluminum alloy aging oven of natural gas for burning raw materials |
| CN105331910A (en) * | 2015-11-05 | 2016-02-17 | 山东南山铝业股份有限公司 | 6063-T5 aluminum profile two-stage energy-saving aging process |
| CN205482365U (en) * | 2016-01-12 | 2016-08-17 | 中钢集团邢台机械轧辊有限公司 | Furnace gate hoist mechanism of platform truck stove |
| CN205917315U (en) * | 2016-08-29 | 2017-02-01 | 苏州新长光热能科技有限公司 | Movable ageing furnace's branch thorax baffle and ageing furnace |
-
2020
- 2020-12-31 CN CN202011635901.XA patent/CN112646969B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112646969A (en) | 2021-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108893661B (en) | Wide thin-wall 6-series aluminum alloy section for high-speed motor train unit and preparation method thereof | |
| CN109182864B (en) | High-strength magnesium alloy section bar and preparation process and application thereof | |
| CN100532603C (en) | Aluminum alloy thin plate and its making method | |
| US10400313B2 (en) | Method for transforming Al—Cu—Li alloy sheets improving formability and corrosion resistance | |
| CN112646969B (en) | Aluminum profile aging treatment process and aging treatment device | |
| US20150316210A1 (en) | Aluminum alloy material for high-pressure hydrogen gas container and method for producing the same | |
| JP5918158B2 (en) | Aluminum alloy sheet with excellent properties after aging at room temperature | |
| CN107109606A (en) | The ageing time of 7xxx series alloys is reduced | |
| CN103555921B (en) | Vehicle heat treatment system | |
| CN107794562B (en) | Gas-filled protection crystal growth device and method | |
| CN110564994A (en) | low-cost high-toughness aluminum lithium alloy | |
| CN105039805A (en) | Manufacturing method of aluminum alloy mechanical arm track girder hollow profile | |
| CN113403556A (en) | Heat treatment process of aluminum alloy section | |
| CN113736974B (en) | Preparation process of high-strength isothermal bainite diesel engine cylinder sleeve | |
| CN112795823B (en) | Forging process of aluminum alloy automobile hub | |
| CN110218919A (en) | A kind of high-strength aluminum alloy material and preparation method thereof | |
| JP2001504551A (en) | Method for producing AA7000 aluminum forged product subjected to modified solution heat treatment | |
| CN110699579B (en) | Soaking and cooling method for zirconium blank of 2014 aluminum alloy hub die forging | |
| CN102560301B (en) | Low-temperature strain induced heat treatment method for magnesium-rare earth alloy | |
| CN111187896A (en) | Uninterrupted processing type heat treatment furnace for mine machining | |
| CN210151176U (en) | Aluminum coil circulating annealing furnace | |
| CN203602677U (en) | Heat treatment system for vehicle wheels | |
| CN108277409A (en) | A kind of magnesium alloy with high strength and ductility and preparation method thereof | |
| CN112725565A (en) | High-strength aluminum alloy heat treatment aging furnace and treatment method | |
| CN113265561A (en) | Production process and production equipment of cooked mottled copper material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |