阅读说明：本技术 一种铝型材时效处理工艺及时效处理装置 (Aluminum profile aging treatment process and aging treatment device ) 是由 索有喜 周兵峰 于 2020-12-31 设计创作，主要内容包括：本发明涉及铝型材生产技术领域,尤其涉及一种铝型材时效工艺和处理装置,该装置包括时效炉,所述时效炉顶部的一侧固定连接有驱动箱,所述驱动箱内部的一侧固定连接有驱动电机,所述驱动电机的输出端通过联轴器固定连接有转动轴,所述转动轴的一端通过轴承座与驱动箱的内壁转动连接,所述转动轴外表面的两侧均固定套接有收纳轮,所述收纳轮上固定缠绕有拉绳,所述拉绳的底部固定连接有固定块,所述固定块的底部固定连接有炉门,所述时效炉的输入端设有炉口。本发明的工艺通过快速升温到时效温度以及缩短保温时间,有利于铝型材缺陷消除和原子偏析,同时还可以避免铝型材中晶粒粗大,提高铝型材的强度同时保证其韧性不下降。(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. 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.)

1. The utility model provides an aluminium alloy aging treatment device, includes ageing furnace (1), its characterized in that: one side fixedly connected with drive case (2) at ageing furnace (1) top, one side fixedly connected with driving motor (3) of drive case (2) inside, shaft coupling fixedly connected with axis of rotation (4) are passed through to the output of driving motor (3), the inner wall rotation that the bearing frame was passed through with drive case (2) is connected to the one end of axis of rotation (4), accomodate wheel (5) has all been fixed to have cup jointed in the both sides of axis of rotation (4) surface, it has stay cord (6) to accomodate fixed winding on wheel (5), the bottom fixedly connected with fixed block (7) of stay cord (6), the bottom fixedly connected with furnace gate (8) of fixed block (7), the input of ageing furnace (1) is equipped with the fire door, furnace gate (8) are located the front of fire door.

2. The aluminum profile aging treatment device according to 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 device 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 device according to claim 1, characterized in that: the furnace door is characterized in that guide strips (12) are fixedly connected to two ends of one side, close to a furnace opening, of the aging furnace (1), guide blocks are fixedly connected to two sides of the back face of the furnace door (8), and the guide blocks are connected to the outer sides of the guide strips (12) in a sliding mode.

5. The aluminum profile aging treatment device according to claim 1, characterized in that: the middle part of the front face of the aging furnace (1) is embedded with an observation window (13), the right lower corner of the front face of the aging furnace (1) is fixedly connected with a controller (14), and the controller (14) is electrically connected with an electrical element in the aging furnace (1).

6. The aluminum profile aging treatment device according to claim 1, characterized in that: the bottom of furnace gate (8) is equipped with overlap joint board (17), overlap joint board (17) fixed connection is on ageing furnace (1), and the top of overlap joint board (17) flushes with the interior diapire of fire door, the bottom fixedly connected with dead lever (15) of furnace gate (8), the bottom fixedly connected with bottom plate (16) of dead lever (15).

7. An aluminum profile aging treatment process is characterized by comprising the following steps:

s1, carrying out solid solution treatment on the aluminum profile, then loading the aluminum profile into an aging furnace for aging treatment, raising the 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 the power supply of the aging furnace, cooling the aluminum profile in the aging furnace to 110 ℃ and 120 ℃, and preserving heat for 1-2 hours;

s3, when the heat preservation time is up, the aluminum section is discharged, and when the aluminum section is discharged, the power supply is turned off, then the furnace door is opened, and the aluminum section 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.

8. The aluminum profile aging treatment process according to claim 7, characterized in that: 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.

9. The aluminum profile aging treatment process according to claim 7, characterized in that: and step S3, controlling the speed of the strong wind at 50-60 Km/h.

10. The aluminum profile aging treatment process according to claim 7, characterized in that: and step S3, controlling the wind speed at 30-40 Km/h.

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 box at ageing furnace top, one side fixedly connected with driving motor of drive box inside, 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 box, the wheel is accomodate to the equal fixed cup joint in both sides of axis of rotation surface, it has the stay cord to accomodate taking turns to fixed winding, 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 located under the access panel.

Further, the both sides of axis of rotation surface all rotate to cup joint and have changeed the cover, the bottom fixedly connected with branch of changeing the cover, the bottom fixed connection of branch is at the interior diapire of drive case.

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 ageing furnace, and the top of overlap joint board flushes with the inner 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 the 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 the power supply of the aging furnace, cooling the aluminum profile in the aging furnace to 110 ℃ and 120 ℃, and preserving heat for 1-2 hours;

s3, when the heat preservation time is up, the aluminum section is discharged, and when the aluminum section is discharged, the power supply of the fan is turned off, then the furnace door is opened, and the aluminum section 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 (wt%) Si: 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 is controlled at 50-60Km/h in step S3.

Further, the wind speed is controlled to be 30-40Km/h at 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 is prepared and placed beside the aging furnace before the last furnace is discharged, so that the next furnace aluminum profile can be loaded 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, 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.

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 aging oven 1 top, one side fixedly connected with driving motor 3 of drive box 2 inside, driving motor 3's output passes through shaft coupling fixedly connected with axis of rotation 4, the inner wall rotation that bearing frame and drive box 2 were passed through to the one end of axis of rotation 4 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 accomodate fixed winding on the wheel 5, 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.

One side of the top of the driving box 2 is fixedly connected with an overhaul board 9 through screws, the driving box 2 and the rotating shaft 4 are positioned under the overhaul board 9, two sides of the outer surface of the rotating shaft 4 are rotatably sleeved with rotating sleeves 10, the bottom of each rotating sleeve 10 is fixedly connected with a supporting rod 11, the bottom of each supporting rod 11 is fixedly connected with the inner bottom wall of the driving box 2, two ends of one side, close to a furnace opening, of the aging furnace 1 are fixedly connected with guide strips 12, two sides of the back of the furnace door 8 are fixedly connected with guide blocks, the guide blocks are slidably connected to the outer sides of the guide strips 12, an observation window 13 is embedded in the middle of the front of the aging furnace 1, a controller 14 is fixedly connected to the right lower corner of the front of the aging furnace 1, the controller 14 is electrically connected with electrical elements in the aging furnace 1, a lap board 17 is arranged at the bottom of the furnace door 8, the lap board 17 is, the bottom of the oven door 8 is fixedly connected with a fixed rod 15, and the bottom of the fixed rod 15 is fixedly connected with a bottom plate 16.

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 aluminium alloy that next stove need carry out aging 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, the chemical components (wt%) are 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, the aluminum section is 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 rising speed of 30 ℃/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 120 ℃ along with the furnace, preserving heat 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 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 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 section is discharged, and when the aluminum section is discharged, the power supply of the fan is turned off, then the furnace door is opened, and the aluminum section 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 step S3, controlling the speed of the strong wind at 50 Km/h.

And step S3, controlling the wind speed at 30 Km/h.

Example two:

an aluminum profile aging treatment process comprises the following steps:

s1, the chemical components (wt%) are 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, the aluminum profile is put into an aging furnace for aging treatment after solution treatment, the furnace temperature of the aging furnace is raised to 175 ℃ at the temperature raising speed of 40 ℃/h, and the temperature is preserved 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 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 section is discharged, and when the aluminum section is discharged, the power supply of the fan is turned off, then the furnace door is opened, and the aluminum section 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 step S3, controlling the speed of the strong wind at 55 Km/h.

And step S3, controlling the wind speed at 35 Km/h.

Example three:

an aluminum profile aging treatment process comprises the following steps:

s1, the chemical components (wt%) are 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, the aluminum section is put into an aging furnace for aging treatment after solution treatment, the furnace temperature of the aging furnace is raised to 170 ℃ at the temperature raising speed 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 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 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 section is discharged, and when the aluminum section is discharged, the power supply of the fan is turned off, then the furnace door is opened, and the aluminum section 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 step S3, controlling the speed of the strong wind at 60 Km/h.

And step S3, controlling the wind speed at 30 Km/h.

Through the treatment equipment and the treatment process, the hardness of the steel is between 134-138HB, the yield strength is between 371-376MPa, and the tensile strength is between 402-412MPa in the embodiment 3 of the invention.

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 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.

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 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.