CN112281030B - New energy automobile beam extruded aluminum profile and processing technology thereof - Google Patents
New energy automobile beam extruded aluminum profile and processing technology thereof Download PDFInfo
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- CN112281030B CN112281030B CN202011146084.1A CN202011146084A CN112281030B CN 112281030 B CN112281030 B CN 112281030B CN 202011146084 A CN202011146084 A CN 202011146084A CN 112281030 B CN112281030 B CN 112281030B
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- 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
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- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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- 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
Abstract
The invention discloses a new energy automobile beam extruded aluminum profile which comprises the following alloy components in parts by weight: 1.04-1.1% of Si, Fe: 0.17% -0.22%, Cu: 0.06% -0.09%, Mn: 0.51% -0.56%, Mg: 0.69% -0.74%, Cr: less than or equal to 0.05 percent, less than or equal to 0.03 percent of Zn and less than or equal to 0.05 percent of Ti. The invention also provides a processing technology of the new energy automobile beam extruded aluminum profile, which comprises the following working procedures: mold design → mold manufacturing → alloy composition determination → cast rod → trial mold → dimensional inspection → extrusion production → online quenching → stretching and straightening → dimensional inspection → sawing and framing → artificial aging → mechanical property inspection → fine sawing → finished product inspection and packaging → warehousing; the section bar is stable and straight in discharging, the product size meets the drawing requirements, the bending and twisting degrees meet the drawing requirements, and the product profile detection meets the requirements of a detection tool.
Description
Technical Field
The invention relates to a new energy automobile beam extruded aluminum profile and a processing technology thereof.
Background
The new energy automobile beam aluminum alloy extruded section is selected to be 6082-T6 in an alloy state, as shown in a section diagram of fig. 1, the section is large, the shape is a large triangle, the shape dimension reaches 292.3 multiplied by 218.7mm, the wall thickness is 3.5mm, the meter weight is 12.91kg/m, the extrusion ratio is lambda which is 22.4, and the mechanical property meets the standard requirement of EN 755;
from the cross-sectional analysis, there are the following difficulties:
1. the shape of the mould is a large triangle, two sides of the big triangle extend out of legs with the diameter of 34.1mm respectively, and a large cross cantilever is formed between the two legs, namely an elastic deformation area generally speaking, which has certain influence on the discharging stability of the mould;
2. from the graphic display, the upper die core is 6 small die core combinations, which can directly influence the structural strength of the die, so that the die core of the die deflects to influence the wall thickness tolerance and stability of the discharged material;
3. the material is in a 6082-T6 alloy state, the metal fluidity of the 6082 alloy is much poorer than that of the common 6063 alloy, the actual extrusion breakthrough pressure of the 6082 alloy is much higher than that of the common 6063 alloy, the compression strength of the die is increased, the discharge stability of the product is poor, and the differential service life of the die is influenced;
4. the alloy state is 6082-T6, and the 6082 alloy contains a higher amount of Mn alloy (0.4% -1%), the Al-Mn alloy is not heat-treatable for strengthening, manganese has obvious influence on the recrystallization process of aluminum and aluminum alloy, and the quenching sensitivity of the alloy is obviously lower than that of other conventional 6063 alloys, so that the quenching mode of strong wind, mist or water spraying and water rinsing is adopted to improve the strength of the alloy when the alloy in the 6082-T6 state is produced. From the analysis of the product section, if the product is quenched in a water or water mist mode, the product can be seriously deformed, bent and twisted during discharging, the product has poor size and form and position tolerance, and the production difficulty of the product is increased;
in addition, the customer learns that the product is failed to be developed in several major factories in China before, and for the upstream automobile complete factory, whether the product can be successfully developed or not directly influences the marketing progress of the automobile type.
Along with the global popularization of light weight automobiles and green new energy electric automobiles, a plurality of countries correspondingly set up a policy of supporting new energy automobiles and the forbidden sale period of fuel oil automobiles, the amount of aluminum for automobiles is also increased continuously, the original single engine and skylight use aluminum alloy, and a plurality of parts are also changed from steel materials to use aluminum alloy or steel-aluminum composite materials, such as green new energy battery trays, battery packs, automobile front and rear bumpers, automobile frames and the like, and even some international high-end automobile types are changed into all-aluminum automobile bodies.
The technical problems are overcome, the reasonable proportion of alloy components is optimized mainly by continuously optimizing the design of a die, the discharge of a product is stable and straight, the size meets the requirements of a drawing, the mechanical property meets the technical requirements of the drawing, all technical quality indexes are superior to the related national standards, and the quality is reliable and stable.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a new energy automobile beam extruded aluminum profile which is stable and straight in profile discharging, the product size meets the drawing requirements, the bending and twisting degrees meet the drawing requirements, and the product profile detection meets the requirements of a detection tool.
In order to achieve the purpose, the technical scheme of the invention is to design a new energy automobile beam extruded aluminum profile, and the aluminum profile comprises the following alloy formula: 1.04-1.1% of Si, Fe: 0.17% -0.22%, Cu: 0.06% -0.09%, Mn: 0.51% -0.56%, Mg: 0.69% -0.74%, Cr: less than or equal to 0.05 percent, less than or equal to 0.03 percent of Zn and less than or equal to 0.05 percent of Ti. Properly adjusting the contents of metal Si and metal Cu in the alloy according to the characteristic characteristics of 6082 alloy and the requirements of an actual production process; in order to increase the quenching sensitivity of the metal, the content of the metal element Mn is strictly controlled. And 100 percent of the aluminum alloy is smelted by adopting high-purity aluminum ingots, and no return material is allowed to be added.
The invention also provides a technical scheme that the process for processing the new energy automobile beam extruded aluminum profile comprises the following working procedures: mold design → mold manufacturing → alloy composition determination → cast rod → trial mold → dimensional inspection → extrusion production → online quenching → stretching and straightening → dimensional inspection → sawing and framing → artificial aging → mechanical property inspection → fine sawing → finished product inspection and packaging → warehousing. Testing mold → repairing mold → testing mold → size is qualified, according to each testing mold result, reasonably adjusting the flow velocity and flow rate of each part of the mold, and repairing mold until the discharging size is qualified; formulating a reasonable extrusion process; formulating a reasonable aging process; and optimizing the design scheme of the die according to the die testing result of the first set of die, and ensuring the qualification rate of the die testing on the subsequent die. In the process of sawing and framing, the part which is not quenched in time is cut off, and alkaline etching is verified to cut off a layer of shrinkage tail.
The further technical scheme is that in the extrusion production process, the homogenization temperature is 570 ℃, the temperature is kept for 15 hours, and the mixture is discharged from a furnace and cooled by strong wind; the temperature of the extrusion cylinder is 420-430 ℃, the temperature of the die is 480-500 ℃, and the temperature is kept for 4-6 h; the temperature of the aluminum bar is 490-550 ℃, the extrusion speed is more than or equal to 3.5-4.5m/min according to the metal outflow speed, and the outlet temperature is controlled between 520-550 ℃.
The further technical scheme is that in the on-line quenching process, a strong wind cooling mode is adopted, the cold cutting speed is more than or equal to 250 ℃/min, and the quenching temperature is less than or equal to 100 ℃.
The further technical scheme is that in the stretching and straightening process, the stretching rate is 0.3% -0.5%.
The further technical scheme is that in the artificial aging process, the temperature is set to 175 ℃, the temperature is kept for 8 hours, and the steel plate is taken out of the furnace and cooled by strong wind. (in the present invention, the cooling step involving strong wind is carried out at a cooling rate of 200 ℃ C./min, with reference to the above parameters.)
The technical scheme is that in the step of cooling by strong wind, the air outlet pipe with a plurality of air outlets on the inner wall is adopted to cool the automobile crossbeam by strong wind comprehensively, the outer wall of the air outlet pipe is connected with a ventilation pipe, the other end of the ventilation pipe is connected with the air outlet of a fan, a wind-blocking ring is matched with the air outlet pipe, one end of the wind-blocking ring, which is far away from the ventilation pipe, is provided with a flanging, one end of the wind-blocking ring, which is close to the ventilation pipe, is detachably provided with a connecting ring in a threaded connection mode, and one end of the connecting ring, which is close to the ventilation pipe, is detachably connected on the inner wall of the air outlet pipe, which is close to the ventilation pipe, in a threaded connection mode. One end of the ventilation pipe is fixedly connected to the outer wall of the air outlet pipe, and the other end of the ventilation pipe is connected with the edge of the fan through threads (a sealing gasket is arranged in a matched mode, so that air leakage at the connecting position is avoided); the wind-proof ring is detachably provided with a connecting ring at one end close to the ventilation pipe in a threaded connection mode, one end of the connecting ring close to the ventilation pipe is detachably connected to the inner wall of the air outlet pipe close to the ventilation pipe in a threaded connection mode, and a sealing gasket is arranged in the two threaded connection modes in a matched mode to ensure that air does not leak at the joint. After the arrangement, the outlet air of the air outlet of the fan reaches the air outlet pipe through the ventilating pipe, and the air outlet pipe is tubular and the inner wall of the air outlet pipe is provided with a plurality of air outlets, so that after the new energy automobile crossbeam is placed in the air outlet pipe opening, the crossbeam can be ensured to be blown by strong wind almost in 360 degrees, and the cooling is uniform; the crossbeam is longer, so that in order to avoid small deformation of the crossbeam caused by uneven cooling due to the fact that the air outlet on the air outlet pipe close to the fan is cooled before the crossbeam is cooled and the air outlet on the air outlet pipe far away from the fan is cooled when the air outlet is cooled, the matched wind blocking ring can prevent the crossbeam from being cooled before the air outlet reaches the farthest air outlet < the air outlet on the air outlet pipe far away from the fan > in a detachable connection mode, the outward flange senses the air outlet < the blind hole which can be inserted as a flag on the outer wall of the air outlet pipe, and the flag flutters with the wind to indicate that the air outlet reaches the farthest air outlet after the outward flange, and at the moment, the wind blocking ring is separated from the connecting ring in a rotating mode or the connecting ring is separated from the inner wall of the air outlet pipe < specifically which two components are separated depends on a further connection mode, for example, the connecting ring and the wind shield ring are connected outside the air outlet pipe in a threaded manner and then fixed through the limiting pin, so that the connecting ring and the wind shield ring rotate together in the subsequent process of rotating the wind shield ring, and the connecting ring is separated from the connection with the inner wall of the air outlet pipe; the size of the inner wall of the connecting ring is matched with the size of the outer wall of the wind-shield ring close to one end of the ventilation pipe, the outer wall of the wind-shield ring close to one end of the ventilation pipe is provided with an external thread, the inner wall of the connecting ring is provided with an internal thread matched with the external thread, the connecting ring is provided with a threaded hole matched with the limiting pin, the lower end of the limiting pin is provided with an external thread, the limiting pin is screwed until the bottom end of the limiting pin tightly abuts against the outer wall of the wind-shield ring after the connecting ring is connected with the wind-shield ring, then the wind-shield ring is taken out, the wind is exhausted from the beginning to the end and surrounds the cross beam by 360 degrees, and the uniformity of strong wind cooling is guaranteed.
The invention has the advantages and beneficial effects that: the section bar is stable and straight in discharging, the product size meets the requirement of a drawing, the bending and twisting degrees meet the requirement of the drawing, and the product profile detection meets the requirement of a detection tool; the air outlet of the fan reaches the air outlet pipe through the ventilation pipe, and the air outlet pipe is tubular and is provided with a plurality of air outlets on the inner wall, so that after the new energy automobile crossbeam is placed in the air outlet pipe opening, almost all the crossbeam at 360 degrees can be blown by strong wind, and the cooling is uniform; and the air is discharged from the beginning to the end and surrounds the cross beam by 360 degrees, so that the uniform cooling of strong wind is ensured.
Drawings
FIG. 1 is a schematic sectional view of a new energy automobile beam extruded aluminum profile of the invention;
FIG. 2 is a schematic view of the mechanism employed for forced air cooling in the present invention;
fig. 3 is an enlarged schematic view of the portion of the wind deflector ring of fig. 2.
In the figure: 1. an air outlet; 2. an air outlet pipe; 3. a cross car beam; 4. a vent pipe; 5. a fan; 6. a wind-shield ring; 7. flanging; 8. a connecting ring; 9. and a limiting pin.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The invention relates to a new energy automobile beam extruded aluminum profile, which comprises the following alloy components in percentage by weight: 1.04-1.1% of Si, Fe: 0.17% -0.22%, Cu: 0.06% -0.09%, Mn: 0.51% -0.56%, Mg: 0.69% -0.74%, Cr: less than or equal to 0.05 percent, less than or equal to 0.03 percent of Zn and less than or equal to 0.05 percent of Ti.
The process for processing the new energy automobile beam 3 extruded aluminum profile comprises the following steps: mold design → mold manufacturing → alloy composition determination → cast rod → trial mold → dimensional inspection → extrusion production → online quenching → stretching and straightening → dimensional inspection → sawing and framing → artificial aging → mechanical property inspection → fine sawing → finished product inspection and packaging → warehousing. In the extrusion production process, the homogenization temperature is 570 ℃, the temperature is kept for 15h, and the mixture is discharged from a furnace and cooled by strong wind; the temperature of the extrusion cylinder is 420-430 ℃, the temperature of the die is 480-500 ℃, and the temperature is kept for 4-6 h; the temperature of the aluminum bar is 490-550 ℃, the extrusion speed is more than or equal to 3.5-4.5m/min according to the metal outflow speed, and the outlet temperature is controlled between 520-550 ℃. In the on-line quenching process, a strong wind cooling mode is adopted, the cold cutting speed is more than or equal to 250 ℃/min, and the quenching temperature is less than or equal to 100 ℃. In the stretching and straightening process, the stretching ratio is 0.3-0.5%. In the artificial aging process, the temperature is set to 175 ℃, the temperature is kept for 8h, and the steel is discharged from a furnace and cooled by strong wind. As shown in fig. 2 to 3, in the step of discharging strong wind, the air outlet pipe 2 with a plurality of air outlets 1 on the inner wall is adopted to cool the automobile crossbeam 3 by strong wind, the outer wall of the air outlet pipe 2 is connected with a ventilation pipe 4, the other end of the ventilation pipe 4 is connected with the air outlet 1 of a fan 5, a wind-blocking ring 6 is arranged in cooperation with the air outlet pipe 2, one end of the wind-blocking ring 6, which is far away from the ventilation pipe 4, is provided with a flanging 7, one end of the wind-blocking ring 6, which is close to the ventilation pipe 4, is detachably provided with a connection ring 8 through a threaded connection mode, and one end of the connection ring 8, which is close to the ventilation pipe 4, is detachably connected on the inner wall of the air outlet pipe 2, which is close to the ventilation pipe 4, through a threaded connection mode. The size of the inner wall of the connecting ring 8 is matched with the size of the outer wall of the wind-shield ring 6 close to one end of the ventilation pipe 4, the outer wall of the wind-shield ring 6 close to one end of the ventilation pipe 4 is provided with an external thread, the inner wall of the connecting ring 8 is provided with an internal thread matched with the external thread, the connecting ring 8 is provided with a threaded hole matched with the limit pin 9, the lower end of the limit pin 9 is provided with an external thread, and the limit pin 9 is screwed to abut against the outer wall of the wind-shield ring 6 tightly until the bottom end of the limit pin 9 is screwed after the connecting ring 8 is connected with the wind-shield ring 6.
The mechanical property detection of the beam extruded aluminum section prepared by the invention is as follows:
the foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The processing technology of the new energy automobile beam extruded aluminum profile is characterized in that the aluminum profile comprises the following alloy formula: 1.04-1.1% of Si, Fe: 0.17% -0.22%, Cu: 0.06% -0.09%, Mn: 0.51% -0.56%, Mg: 0.69% -0.74%, Cr: less than or equal to 0.05 percent, less than or equal to 0.03 percent of Zn and less than or equal to 0.05 percent of Ti;
the process comprises the following steps: mold design → mold manufacturing → alloy composition determination → cast rod → trial mold → dimensional inspection → extrusion production → online quenching → stretching and straightening → dimensional inspection → sawing and framing → artificial aging → mechanical property inspection → fine sawing → finished product inspection and packaging → warehousing;
extrusion production, online quenching and artifical ageing process all adopt out of the stove forced air cooling step, in the out of the stove forced air cooling step, the play tuber pipe that adopts the inner wall to be equipped with a plurality of air outlet carries out comprehensive forced air cooling to the automobile crossbeam, be connected with the ventilation pipe on the play tuber pipe outer wall, the other end and the fan air outlet of ventilation pipe link to each other, with a supporting fender wind ring that is equipped with of play tuber pipe, its one end of keeping away from the ventilation pipe of fender wind ring is equipped with the flanging, its one end that is close to the ventilation pipe of fender wind ring can be dismantled through threaded connection mode and be equipped with the go-between, its one end that is close to the ventilation pipe of go-between passes through the detachable connection of threaded connection mode on its inner wall that is close to the ventilation pipe of play tuber pipe.
2. The processing technology of the new energy automobile beam extruded aluminum profile according to claim 1, characterized in that in the extrusion production process, the homogenization temperature is 570 ℃, the temperature is kept for 15 hours, and the aluminum profile is taken out of a furnace and cooled by strong wind; the temperature of the extrusion cylinder is 420-430 ℃, the temperature of the die is 480-500 ℃, and the temperature is kept for 4-6 h; the temperature of the aluminum bar is 490-550 ℃, the extrusion speed is 3.5-4.5m/min according to the metal outflow speed, and the outlet temperature is controlled between 520-550 ℃.
3. The processing technology of the new energy automobile beam extruded aluminum profile as claimed in claim 2, characterized in that in the on-line quenching process, a strong wind cooling mode is adopted, the cooling speed is more than or equal to 250 ℃/min, and the quenching temperature is less than or equal to 100 ℃.
4. The processing technology of the new energy automobile beam extruded aluminum profile is characterized in that in the stretching and straightening process, the stretching rate is 0.3% -0.5%.
5. The processing technology of the new energy automobile beam extruded aluminum profile is characterized in that in the artificial aging process, the temperature is set to 175 ℃, the temperature is kept for 8 hours, and the new energy automobile beam extruded aluminum profile is discharged from a furnace and cooled by strong wind.
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| CN202011146084.1A CN112281030B (en) | 2020-10-23 | 2020-10-23 | New energy automobile beam extruded aluminum profile and processing technology thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203820845U (en) * | 2014-04-08 | 2014-09-10 | 吉林昊宇电气股份有限公司 | Large-sized multifunctional vertical type water-soaking and air-blowing quenching device |
| CN109652688A (en) * | 2019-02-21 | 2019-04-19 | 苏州铭德铝业有限公司 | Production method of 6082 aluminum alloy section |
| CN111020420A (en) * | 2019-10-31 | 2020-04-17 | 广东精美特种型材有限公司 | Online guenching unit of aluminium alloy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9982329B2 (en) * | 2013-02-06 | 2018-05-29 | Ksm Castings Group Gmbh | Aluminum casting alloy |
| CN103320585A (en) * | 2013-05-23 | 2013-09-25 | 江阴江顺铝型材成套设备制造有限公司 | Aluminium profile quenching device |
| CN206420273U (en) * | 2017-01-04 | 2017-08-18 | 南京卓越挤出装备有限公司 | A kind of plastic extruder apparatus for drying |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203820845U (en) * | 2014-04-08 | 2014-09-10 | 吉林昊宇电气股份有限公司 | Large-sized multifunctional vertical type water-soaking and air-blowing quenching device |
| CN109652688A (en) * | 2019-02-21 | 2019-04-19 | 苏州铭德铝业有限公司 | Production method of 6082 aluminum alloy section |
| CN111020420A (en) * | 2019-10-31 | 2020-04-17 | 广东精美特种型材有限公司 | Online guenching unit of aluminium alloy |
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