CN107695118A - A kind of production technology for automobile tail fin profile material - Google Patents
A kind of production technology for automobile tail fin profile material Download PDFInfo
- Publication number
- CN107695118A CN107695118A CN201710927864.1A CN201710927864A CN107695118A CN 107695118 A CN107695118 A CN 107695118A CN 201710927864 A CN201710927864 A CN 201710927864A CN 107695118 A CN107695118 A CN 107695118A
- Authority
- CN
- China
- Prior art keywords
- tail fin
- automobile tail
- profile material
- fin profile
- diagonal bar
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- 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
- 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
-
- 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 belongs to aluminium section bar processing technique field, it is related to a kind of production technology for automobile tail fin profile material, by improving automobile tail fin profile material mold structure, support diagonal bar of the chamber portion plus a virtual connection in automobile tail fin profile material side, right side chamber portion easily occurs by cold deformation in automobile tail fin profile material quenching process, automobile tail fin profile material, which can be reduced, plus support diagonal bar obtains deflection, support diagonal bar is connected with the upper sectional material and lower sectional material of automobile tail fin profile material mould for point-like, so after automobile tail fin profile material extrusion forming, only need the support diagonal bar can manually to be torn with hammer or manipulator, the support diagonal bar torn can be used as one-level waste material to carry out remelting, and then reduce the generation of waste material.
Description
Technical field
The invention belongs to aluminium section bar processing technique field, is related to a kind of production technology for automobile tail fin profile material.
Background technology
Automobile tail fin, often it is called and determines the wind wing, spoiler can also be, it is that can efficiently reduce car at a high speed that it, which is acted on,
Air drag and saving fuel during traveling.
Due to the higher cantilever open type plus automobile tail fin profile material top and bottom of the complexity of automobile tail fin profile material
Structural limitations, cause automobile tail fin profile material extrusion forming difficult, the finished product at initial stage for causing the automobile tail fin profile material to produce
Rate is extremely low, and production process control is relatively difficult, and the morpheme size of automobile tail fin profile material cannot be guaranteed after quenching.
The content of the invention
In view of this, the present invention is low in order to solve automobile tail fin profile material producing initial stage yield rate, and production process control is tired
Difficulty, the problem of morpheme size of automobile tail fin profile material cannot be guaranteed after quenching, there is provided a kind of for automobile tail fin profile material
Production technology.
To reach above-mentioned purpose, the present invention provides a kind of production technology for automobile tail fin profile material, including following step
Suddenly：
A, founding：Aluminium alloy stock is prepared according to following ratio of weight and number：Si：0.55%~0.6%, Fe：0.16~
0.21%th, Cu：0.08%~0.13%, Mn：0.19%~0.24%, Mg：0.47%~0.52%, Cr：0.05%th, Zn：
0.05%th, Ti：0.05% and surplus Al, it is liquid that the aluminium alloy stock prepared is added in smelting furnace to melting after uniformly mixing
Aluminium alloy, it is aluminium alloy cast rod by liquid aluminium alloy founding；
B, homogeneous：Founding is obtained into aluminium alloy cast rod and is heated to 475~485 DEG C, 10~12 hours is incubated, is cooled to normal temperature
Obtain the aluminium alloy cast rod after homogeneous；
C, extrude：Aluminium alloy cast rod after homogeneous is sent into recipient and extruded, is made by the improvement of extrusion die
One support diagonal bar of automobile tail fin profile material side chamber portion virtual connection that extruder squeezes out is obtained, obtains the vapour with support diagonal bar
Tailstock wing plate section bar, the wherein extrusion speed of extruder are 4.0m/min；
D, press quenching：Automobile tail fin profile material with support diagonal bar after extruding is subjected to Quenching Treatment, automobile before quenching
The temperature of empennage profile material is 510 DEG C, and the automobile tail fin profile material type of cooling is air-cooled, the press quenching area of classification in quenching process
Total length is 5m, and the first cooling stage is that aluminium section bar cooldown rate is 2.7 DEG C/S in 0~1.5m sections, and aluminium section bar is from 510 DEG C
450 DEG C are dropped to, the second cooling stage is that aluminium section bar cooldown rate is 6 DEG C/S in 1.5~5m sections, and aluminium section bar is from 450 DEG C
140 DEG C are dropped to, obtains the high-strength vehicle empennage profile material with support diagonal bar；
E, morpheme is corrected after removing diagonal bar：Remove the support diagonal bar of the automobile tail fin profile material side with support diagonal bar, will make
Standby high-strength vehicle empennage profile material correction morpheme, correction morpheme process is measurement, roller is rectified, measurement, obtains qualified automobile
Empennage profile material；
F, artificial aging is heat-treated：By qualified automobile tail fin profile material at 170~180 DEG C, artificial aging 6h.
Further, diagonal bar is supported to be connected to automobile tail fin profile material upper sectional material by way of a connection with in step C
Between section bar.
Further, supported in step C the angle between diagonal bar and automobile tail fin profile material upper sectional material and lower sectional material be 60~
75°。
Further, automobile tail fin profile material correction morpheme is carried out by stretching-machine in step E, the drawing deformation of stretching-machine
≤ 1.5%.
The beneficial effects of the present invention are：
1st, the present invention is used for the automobile tail fin profile material that the production technology of automobile tail fin profile material is produced, and improves car tail
Wing plate section bar mold structure so that chamber portion squeezes it plus the support diagonal bar of a virtual connection on the left of automobile tail fin profile material
Go out the sectional drawing of automobile tail fin profile material as shown in Fig. 2 can play prevent automobile tail fin profile material deform, ensure hot forming
Automobile tail fin profile material morpheme and dimensional stability.As can be seen from Figure 2, section bar is the support diagonal bar up and down with car tail wing plate
Point-like connects, so after extrusion forming, the flanging frock researched and developed by my company, by the way that support diagonal bar is placed in into workbench
On, the manipulator opened on workbench falls the support diagonal bar pressure of automobile tail fin profile material side, or is manually propped up this with hammer
Support diagonal bar is torn.The support diagonal bar torn can be used as one-level waste material to carry out remelting, reduce the generation of waste material.
2nd, the present invention is used for the automobile tail fin profile material that the production technology of automobile tail fin profile material is produced, heat treatment process
Using the form that classification is air-cooled, first stage：Temperature drops to 450 DEG C from 510, and cooling velocity is 2.7 DEG C/S, quenching area 0
~1.5m, second stage：Temperature drops to 140 DEG C from 450, and cooling velocity is 6 DEG C/S, and quenching area is 1.5~5m, early stage low speed
Rate cooling can control automobile tail fin profile material morpheme to distort, and the cooling of later stage high-speed can ensure quenching intensity, also can guarantee that
The properties of product of automobile tail fin profile material.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is the automobile tail fin profile material mould structure schematic diagram before the present invention improves；
Fig. 2 is the automobile tail fin profile material mould structure schematic diagram after the present invention improves.
Embodiment
The preferred embodiments of the present invention will be described in detail below.
Embodiment 1：
A kind of production technology for automobile tail fin profile material, comprise the following steps：
A, founding：Aluminium alloy stock is prepared according to following ratio of weight and number：Si：0.55%%th, Fe：0.16%th, Cu：
0.08%th, Mn：0.19%th, Mg：0.47%th, Cr：0.05%th, Zn：0.05%th, Ti：0.05% and surplus Al, the aluminium that will be prepared
Melting is liquid aluminium alloy after uniformly being mixed in alloy raw material addition smelting furnace, is aluminium alloy cast rod by liquid aluminium alloy founding；
B, homogeneous：Founding is obtained into aluminium alloy cast rod and is heated to 475 DEG C, 10 hours is incubated, is cooled to normal temperature and obtains homogeneous
Aluminium alloy cast rod afterwards；
C, extrude：Aluminium alloy cast rod after homogeneous is sent into recipient and extruded, is made by the improvement of extrusion die
One support diagonal bar of automobile tail fin profile material side chamber portion virtual connection that extruder squeezes out is obtained, obtains the vapour with support diagonal bar
Tailstock wing plate section bar, the wherein extrusion speed of extruder are 4.0m/min, and support diagonal bar is connected to vapour by way of a connection
Between the upper sectional material and lower sectional material of tailstock wing plate section bar mold, and support diagonal bar and automobile tail fin profile material mould upper sectional material and
Angle between lower sectional material is 60 °, and the automobile tail fin profile material section squeezed out is as shown in Figure 2；
D, press quenching：Automobile tail fin profile material with support diagonal bar after extruding is subjected to Quenching Treatment, automobile before quenching
The temperature of empennage profile material is 510 DEG C, and the automobile tail fin profile material type of cooling is air-cooled, the press quenching area of classification in quenching process
Total length is 5m, and the first cooling stage is that aluminium section bar cooldown rate is 2.7 DEG C/S in 0~1.5m sections, and aluminium section bar is from 510 DEG C
450 DEG C are dropped to, the second cooling stage is that aluminium section bar cooldown rate is 6 DEG C/S in 1.5~5m sections, and aluminium section bar is from 450 DEG C
140 DEG C are dropped to, obtains the high-strength vehicle empennage profile material with support diagonal bar；
E, morpheme is corrected after removing diagonal bar：Remove the support diagonal bar of the automobile tail fin profile material side with support diagonal bar, will make
Standby high-strength vehicle empennage profile material correction morpheme, correction morpheme process is measurement, roller is rectified, measurement, every high-strength vehicle
The empennage profile material correcting process average used time is about 5min, obtains qualified automobile tail fin profile material；
F, artificial aging is heat-treated：By qualified automobile tail fin profile material at 180 DEG C, artificial aging 6h.
Embodiment 2：
The difference of embodiment 2 and embodiment 1 is that aluminium alloy stock composition is in step A：Si：0.6%th, Fe：
0.21%th, Cu：0.13%th, Mn：0.24%th, Mg：0.52%th, Cr：0.05%th, Zn：0.05%th, Ti：0.05% and surplus Al.
Embodiment 3：
The difference of embodiment 3 and embodiment 1 is that founding is obtained into aluminium alloy cast rod in step B is heated to 485 DEG C, protects
Temperature 12 hours.
Embodiment 4：
The difference of embodiment 4 and embodiment 1 is that the extrusion speed of extruder is 4.0m/min in step C, supports diagonal bar
Angle between the upper sectional material and lower sectional material of automobile tail fin profile material is 75 °.
Embodiment 5：
The difference of embodiment 5 and embodiment 1 is, artificial aging temperature is 170 DEG C in step F, and the artificial aging time is
6h。
Comparative example 1：
The difference of comparative example 1 and embodiment 1 is that step C is to be sent into recipient by the aluminium alloy cast rod after homogeneous
Row extruding so that aluminium alloy cast rod enters in automobile tail fin profile material mould after passing through extruder, in automobile tail fin template
Unidirectionally extruded shaping in material mould, obtain automobile tail fin profile material, wherein extrusion speed 3.5m/min, the automobile tail fin squeezed out
Profile material section is as shown in Figure 1.
Step D is that the automobile tail fin profile material type of cooling is air-cooled in quenching process, and temperature is 510~140 DEG C, cooling speed
Spend for 10 DEG C/S.
Comparative example 2：
The difference of comparative example 2 and comparative example 1 is that the extrusion speed of extruder is 3.0m/min.
Prepared by embodiment 1 has carried out 7 measurements, measurement result such as table one in automobile tail fin profile material size：
Wherein, A openings refer to the vertical range between automobile tail fin profile material upper sectional material and lower sectional material；Plane clearance refers to
Automobile tail fin profile material is placed on the table, after automobile tail fin profile material reaches stable by means of deadweight, automobile tail fin profile material
The distance between convex surface and horizontal plane, that is, flatness, the smaller automobile tail fin profile material of plane clearance value are more flat；Vertical bending is twisted
After referring to that automobile tail fin profile material reaches stable by means of deadweight, automobile tail fin profile material is tilted between the both sides end points and workbench at end
Gap width, vertical bending twists the smaller automobile tail fin profile material of value and is less susceptible to deform.
Table one
Prepared by comparative example 1 has carried out 7 measurements, measurement result such as table two in automobile tail fin profile material size：
Table two
It can see by the contrast of table one and table two, pass through automobile tail fin profile material optimum design of die and automobile tail fin
The improvement of quenching technical in profile material heat treatment, enables to automobile tail fin profile material plane clearance≤1.20mm of manufacture, indulges
≤ 0.5mm is twisted in bending, improves the production yield rate and automobile tail fin profile material product quality of automobile tail fin profile material, ensures quenching
The morpheme size of automobile tail fin profile material afterwards.
The production of automobile tail fin profile material is completed or gone after supporting diagonal bar to correct morpheme, to ensure size.In table three respectively
For two groups of automobile tail fin profile materials of different batches, respectively by automobile tail fin profile material die adjustment and unjustified two
The material of state, takes identical number to be tracked obtained result, and the automobile tail fin profile material of each upper section straightening will pass through
Measurement-roller rectifys-measurement, understands that the average used time of every automobile tail fin profile material is about 5min or so to orthopaedic procedures tracking.By
Table three by the unqualified circulation man-hour for causing automobile tail fin profile material material of morpheme it can be seen that increased, and not only production efficiency drops
Low, yield rate also has a certain impact.Same 52 automobile tail fin profile materials of production, the mode of production after being adjusted than
In unjustified saving 170min nearly 3 man-hours, production efficiency is greatly improved, also saves production cost.
Table three
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (4)
1. a kind of production technology for automobile tail fin profile material, it is characterised in that comprise the following steps：
A, founding：Aluminium alloy stock is prepared according to following ratio of weight and number：Si：0.55%~0.6%, Fe：0.16~0.21%,
Cu：0.08%~0.13%, Mn：0.19%~0.24%, Mg：0.47%~0.52%, Cr：0.05%th, Zn：0.05%th, Ti：
0.05% and surplus Al, it is liquid aluminium alloy that the aluminium alloy stock prepared is added in smelting furnace to melting after uniformly mixing, will
Liquid aluminium alloy founding is aluminium alloy cast rod；
B, homogeneous：Founding is obtained into aluminium alloy cast rod and is heated to 475~485 DEG C, 10~12 hours is incubated, is cooled to normal temperature and obtains
Aluminium alloy cast rod after homogeneous；
C, extrude：Aluminium alloy cast rod after homogeneous is sent into recipient and extruded, is squeezed by the improvement of extrusion die
One support diagonal bar of automobile tail fin profile material side chamber portion virtual connection that press squeezes out, obtains the car tail with support diagonal bar
The extrusion speed of wing plate section bar, wherein extruder is 4.0m/min；
D, press quenching：Automobile tail fin profile material with support diagonal bar after extruding is subjected to Quenching Treatment, automobile tail fin before quenching
The temperature of profile material is 510 DEG C, and the automobile tail fin profile material type of cooling is air-cooled, the press quenching area overall length of classification in quenching process
It is that aluminium section bar cooldown rate is 2.7 DEG C/S in 0~1.5m sections to spend for 5m, the first cooling stage, and aluminium section bar declines from 510 DEG C
To 450 DEG C, the second cooling stage is that aluminium section bar cooldown rate is 6 DEG C/S in 1.5~5m sections, and aluminium section bar declines from 450 DEG C
To 140 DEG C, the automobile tail fin profile material with support diagonal bar is obtained；
E, morpheme is corrected after removing diagonal bar：Remove the support diagonal bar of the automobile tail fin profile material side with support diagonal bar, by preparation
High-strength vehicle empennage profile material corrects morpheme, and correction morpheme process is measurement, roller is rectified, measurement, obtains qualified automobile tail fin
Profile material；
F, artificial aging is heat-treated：By qualified automobile tail fin profile material at 170~180 DEG C, artificial aging 6h.
2. it is used for the production technology of automobile tail fin profile material as claimed in claim 1, it is characterised in that supported in step C oblique
Muscle is connected between automobile tail fin profile material upper sectional material and lower sectional material by way of a connection.
3. it is used for the production technology of automobile tail fin profile material as claimed in claim 2, it is characterised in that supported in step C oblique
Angle between muscle and automobile tail fin profile material upper sectional material and lower sectional material is 60~75 °.
4. it is used for the production technology of automobile tail fin profile material as claimed in claim 3, it is characterised in that car tail in step E
Wing plate section bar correction morpheme is carried out by stretching-machine, drawing deformation≤1.5% of stretching-machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927864.1A CN107695118A (en) | 2017-09-26 | 2017-09-26 | A kind of production technology for automobile tail fin profile material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927864.1A CN107695118A (en) | 2017-09-26 | 2017-09-26 | A kind of production technology for automobile tail fin profile material |
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| CN107695118A true CN107695118A (en) | 2018-02-16 |
Family
ID=61184632
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| CN201710927864.1A Pending CN107695118A (en) | 2017-09-26 | 2017-09-26 | A kind of production technology for automobile tail fin profile material |
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Cited By (5)
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| CN108296727A (en) * | 2018-04-27 | 2018-07-20 | 齐齐哈尔建华机械有限公司 | Eight wing aluminium section bars of one kind going fin method |
| CN108754362A (en) * | 2018-06-20 | 2018-11-06 | 辽宁忠旺集团有限公司 | A kind of production method of new-energy automobile aluminium alloy electric casing |
| CN110180909A (en) * | 2019-05-31 | 2019-08-30 | 辽宁忠旺集团有限公司 | A kind of ultra-wide thin-walled compartment profile material production technology |
| CN110951982A (en) * | 2019-11-29 | 2020-04-03 | 辽宁忠旺集团有限公司 | Production process for improving intergranular corrosion resistance of 6-series aluminum alloy |
| CN111763855A (en) * | 2020-07-06 | 2020-10-13 | 辽宁忠旺集团有限公司 | High-strength aluminum profile production method capable of controlling size by tearing structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108296727A (en) * | 2018-04-27 | 2018-07-20 | 齐齐哈尔建华机械有限公司 | Eight wing aluminium section bars of one kind going fin method |
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| CN110180909A (en) * | 2019-05-31 | 2019-08-30 | 辽宁忠旺集团有限公司 | A kind of ultra-wide thin-walled compartment profile material production technology |
| CN110180909B (en) * | 2019-05-31 | 2021-02-09 | 辽宁忠旺集团有限公司 | Production process of ultra-wide thin-wall carriage plate profile |
| CN110951982A (en) * | 2019-11-29 | 2020-04-03 | 辽宁忠旺集团有限公司 | Production process for improving intergranular corrosion resistance of 6-series aluminum alloy |
| CN111763855A (en) * | 2020-07-06 | 2020-10-13 | 辽宁忠旺集团有限公司 | High-strength aluminum profile production method capable of controlling size by tearing structure |
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Application publication date: 20180216 |