CN206375958U - A kind of aluminium section bar Quick annealing device - Google Patents
A kind of aluminium section bar Quick annealing device Download PDFInfo
- Publication number
- CN206375958U CN206375958U CN201621488608.4U CN201621488608U CN206375958U CN 206375958 U CN206375958 U CN 206375958U CN 201621488608 U CN201621488608 U CN 201621488608U CN 206375958 U CN206375958 U CN 206375958U
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- Prior art keywords
- induction
- box
- section bar
- aluminium section
- slideway
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model is a kind of aluminium section bar Quick annealing device, is electrically connected with electrical control cabinet, including sensing heating part and mechanical driving part；Sensing heating part includes induction-box, induction coil copper pipe and heating power supply in induction-box；Mechanical driving part includes slideway, the connecting portion for being provided with sliding block and the drive device for driving slide block movement, and connecting portion is fixedly connected with induction-box, and sliding block is arranged on slideway；Also include the pallet through induction-box.It is less than 30 microns using crystal grain under present apparatus annealed condition；And according to inductive heating principle, firing rate is fast, and workpiece moment is warming up to target temperature, compared with box heating, can save 60 90min；Heat time is short, the 10s of heat time 1, and 3 5H, greatly save the heat time compared with conventional vacuum pattern.
Description
Technical field
The utility model is related to aluminum alloy materials manufacturing technology field.
Background technology
At present, existing aluminium section bar annealing, is mainly carried out, its programming rate is slow, insulation by the way of gas-fired heater
Time is long, and low work efficiency is fatal shortcoming.With reference to related data introduction, conventional aluminum alloys annealing process is box annealing,
Its relevant utility model patent is also more to be carried out around batch-type furnace, such as patent publication No. CN104087879A《A kind of aluminum alloy coiled materials
Annealing process》It is rapidly heated by the temperature for monitoring aluminum alloy coiled materials, programming rate is 2 DEG C/min~4 DEG C/min, then
Such as patent publication No. CN103343193A《A kind of aluminium alloy conductor annealing furnace》By using the drum of high penetration type, thermal effect is improved
Should, equipment is reduced to the time of temperature, but the still traditional holding mode on annealing process, programming rate is still not fast enough.
Induction heating technique as a kind of advanced heating technique, it have the advantages that not available for conventional heating methods because
And obtained a wide range of applications in national economy and social life.Steel is applied to existing induction annealing device and technique more
Material, because steel are different with the composition of aluminium, institutional framework different, characteristic is different, especially resistance value is different, it is impossible to directly will be existing
Induction annealing device for steel is used for aluminium.If induction annealing is applied into aluminium alloy, it is tiny to obtain crystal grain, at heat
The more preferable product of mechanical property after reason；And aluminium alloy quality is light, the possibility of application relatively low to equipment intensity requirement
Higher, success rate is also higher, with broader prospect.
Utility model content
In order to overcome the above-mentioned deficiency of prior art, the purpose of this utility model is to provide a kind of aluminium section bar short annealing
Device, the aluminium section bar Quick annealing device can suppress the refinement of particle and the discrete distributions such as Mn, obtain more by being rapidly heated
For tiny grain structure.
The utility model realizes that the technical scheme of above-mentioned purpose is：
A kind of aluminium section bar Quick annealing device, is electrically connected with electrical control cabinet, including sensing heating part and machine driving
Part；Wherein, the sensing heating part include induction-box, the induction coil copper pipe that is arranged in the induction-box and with the sense
The heating power supply for answering case to electrically connect, the induction-box electrically connects the electrical control cabinet；
The mechanical driving part includes slideway, the connecting portion for being provided with sliding block and the drive device for driving slide block movement,
The connecting portion is fixedly connected with induction-box, and the sliding block is arranged on slideway, should by drive device driving dynamic during work
Case is slided along slideway, and the drive device is electrically connected with electrical control cabinet；
Also include at least one pallet through the induction-box be arrangeding in parallel, the pallet, which is used for placement, needs annealing
The aluminium section bar workpiece of processing.
At least two limiters are provided with the slideway, limiter described in two of which is separately fixed at the slideway
Two ends.
The heating power supply is medium frequency heating power source.
Air cooling equipment is provided with the slideway and/or the pallet.
The pallet is arc-shaped structure pallet, the center line of the center line of the resin tray and the induction coil copper pipe
And the center line of workpiece is overlapped.
The sensing heating part also includes the cyclic water tank with water circulating pump for being used to cool down heating power supply, Yi Jiyong
In the filter plant of circulation water filtration.
The induction coil internal diameter of copper pipe is more than workpiece external diameter 5mm to 10mm.
The utility model has following beneficial effect compared with prior art：
Crystal grain is less than 30 microns under annealed condition；Firing rate is fast, and according to inductive heating principle, workpiece moment is warming up to mesh
Temperature is marked, compared with box heating, 60-90min can be saved；Heat time is short, heat time 1-10s, with conventional vacuum pattern
Compared to 3-5H, the heat time is greatly saved.Equipment stability and high efficiency, from solid-state intermediate frequency with current source type antiresonant circuit shape
Formula, using Phase-locked Technique, with output stabilization, the technical characterstic that reaction speed is fast and safety coefficient is high.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is induction-box internal structure schematic diagram；
Fig. 4 is the metallographic rating result using slow annealing technique；
Fig. 5 is the metallographic rating result using the utility model technique.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment：
A kind of reference picture 1, aluminium section bar Quick annealing device, is electrically connected with electrical control cabinet 13, including sensing heating part 1
With mechanical driving part 2；Wherein, the sensing heating part 1 includes induction-box 11, the sensing being arranged in the induction-box 11
Circle copper pipe 110, the heating power supply 12 electrically connected with the induction-box 11 and the electrical control cabinet for controlling induction-box 11 to work
13；The induction-box 11 electrically connects the heating power supply 12 and the electrical control cabinet 13 by line concentration crawler belt 14；The machinery
Running part 2 includes slideway 21, the connecting portion 25 for being provided with sliding block and the drive device 23 for driving slide block movement, the connecting portion
25 are fixedly connected with induction-box 11, and the sliding block is arranged on slideway 21, drive dynamic to answer case by drive device 23 during work
11 slide along slideway 21；Also include at least one run through the induction-box 11 pallet 22, when the quantity of pallet 22 be two and with
It is arranged in parallel between any two pallet 22 when upper；The pallet 22 is used to place the aluminium section bar work for needing to make annealing treatment
Part.The heating part 1 that this aluminium section bar Quick annealing device includes mainly is to provide thermal source and energy, and mechanical driving part 2 is to carry
For transmission power.Reference picture 3, using the electromagnetic induction of the induction coil copper pipe 110 in induction-box 11 come heated partses, places workpiece
Pallet 22 play a supportive role, thus pallet 22 will be through being arranged on induction coil copper pipe 110, it is preferable that the pallet 22 is
The resin tray of arc-shaped structure, the center line of the resin tray is overlapped with the center line of the induction coil copper pipe 110.It is more excellent
Embodiment, workpiece setting is also configured to circular arc into cylinder with the pallet 22 of work piece match.Electrical control cabinet 13 passes through
Induction-box 11, heating power supply 12, line concentration crawler belt 14 and drive device 23 are electrically connected, the whole aluminium section bar short annealing of control is realized
The automation of device.Drive device 23 is moved back and forth on slideway 21 while being moved with rotation connection 25, the motion of connecting portion 25
Drive the motion of induction-box 11, the adjustable movement speed of drive device 23 and distance, therefore, can be achieved sensing heating time and
Heated workpiece amount.Induction coil operational mode is realized as pallet 22 using high-temperature insulation material in terms of operation, it is to avoid
The problem of pivot that workpiece operation occurs, it is ensured that the uniformity of heating.Protected in induction coil copper pipe 110 using insulating resin
, there is short circuit risk in shield, it is to avoid workpiece contact with induction coil copper pipe 110.
At least two limiters 24 are provided with reference picture 2, the slideway 21, are fixed respectively at the two ends of the slideway 21
There is the limiter 24.Preferably, the limiter 24 is separately fixed at the two ends of slideway 21 for two.The two of slideway 21
End is respectively arranged with limiter 24, for the motion of limit driving device 23, keep drive device 23 in slideway 21 motion and
Spacing distance.The heating power supply 12 is medium frequency heating power source.Use medium frequency heating power source for conventional preferred heating source, can carry
For enough energy, the heat time is also suitable for workpiece used.
Preferably, it is provided with air cooling equipment on the slideway 21 and/or the pallet 22.Work after heating is completed
Part, utilizes air cooling equipment fast cooling, it is ensured that the granularity of crystal grain meets the requirements, and crystal is unlikely to deform and grown.Preferably,
Workpiece used is cylinder hollow structure, and its section is annulus, and now preferably embodiment is that workpiece is less than 10mm；It is preferred that
Embodiment, the internal diameter of induction coil copper pipe 110 is more than workpiece external diameter 5mm to 10mm.Adjusted according to the size of workpiece
The diameter of induction coil copper pipe 110, when the internal diameter of induction coil copper pipe 110 is more than workpiece external diameter 5mm to 10mm, the firing rate of workpiece
It hurry up, obtained crystal grain is more tiny and uniform.
The sensing heating part 1 also includes the cyclic water tank 15 for being used to cool down medium frequency heating power source 12, and for following
The filter plant 16 of ring water filtration.In order to ensure the normal operation of device, it is necessary to carry out cooling processing to heating power supply 12, set
Cyclic water tank 15 be used to cool heating power supply 12, it is preferable that the filter plant 16 of setting was carried out to the water of cyclic water tank 15
Filter, prevents the accumulation of impurity or incrustation scale and blocks pipeline, simultaneously, it is ensured that the normal operation of device.Steamed in terms of cooling using circulation
Distilled water is cooled down, while being also equipped with filter plant 16, it is to avoid because of quality problem, cause copper pipe to block, and improves the heating precision of equipment
With extension device service life.
The plasticity of material is linear with grain size, and crystal grain is more tiny, and the plasticity and toughness of material are higher, and crystal grain is thicker
Greatly, its stress corrosion is higher, and the possibility being broken is just higher, and plasticity and toughness are poorer, and service life is also shorter.
Grain size and recrystallization degree are closely bound up, and recrystallization occurs mainly to be influenceed by phase driving force, i.e. deformation should
The inhibitory action of power, phase transition temperature and element.
Mn undergoes phase transition reaction in Homogenization Treatments among alloy matrix aluminum with matrix alloy aluminium：Al+Mn→
MnAl6.MnAl6 phases can prevent the recrystallization process of aluminium alloy, improve recrystallization temperature, make alloy recrystallization difficult, it is necessary to long
Time insulation could cause crystal grain refinement, allow annealing process overlong time.
The utility model is rta technique, and for aluminium alloy annealing process, key is exactly buy back policy, is replied
It is exactly the precipitation again and distribution of phase, because slow heat is in Recovery Process, Mn etc. can be promoted to suppress recrystallization particle and carried out
Discrete distribution, hinders the recrystallization degree of crystal grain, easily roughening.
This technique uses Frequency Induction Heating, allows magnetic fields of the aluminium by alternating current, and moment reaches phase transition temperature,
The refinement and discrete distribution of the particles such as Mn are effectively inhibited, technological process summary is as follows：
Feeding → centering fixes → and setup parameter → slideway 21 runs → and sensing heating starts → slideway 21 stops → and senses
Heat stopping → discharging air-cooled.
A kind of aluminium section bar rta technique, uses above-described aluminium section bar Quick annealing device, its concrete operations step
Suddenly it is：
Step 1: starting electrical control cabinet 13, start the water circulating pump in cyclic water tank 15, empty wagons runs and checks no leakage
Regimen condition；
Positioned Step 2: workpiece is positioned over into two ends on pallet 22, prevent workpiece from rolling, adjust and proofread workpiece and sensing
Enclose fixed behind center；
Step 3: starting electrical control cabinet 13, induction-box 11 at the uniform velocity passes through on slideway 21, and workpiece is heated；
Step 4: the induction-box 11, which is moved to, stops heating at limiter 24.
Step 5: being carried out to workpiece air-cooled.
In step 3, heating is carried out to workpiece and referred to：The frequency setting of the heating power supply 12 is in 20-50KHz, the sense
Answer case 11 by when workpiece surface temperature be the wink of 350 DEG C to 550 DEG C, i.e. induction-box 11 by point during workpiece surface any point
Shi Wendu is 350 DEG C to 550 DEG C；Under this Parameter Conditions, it is desirable to the induction-box 11 by time of single workpiece for 1s extremely
15s.When induction-box 11 is by workpiece, workpiece is instantaneously heated, and its instantaneous heating rate is 350 DEG C/s to 550 DEG C/s.It is preferred that
Ground, the induction-box 11 by when workpiece surface transient temperature be 430 DEG C, now, the induction-box 11 passes through single workpiece
Time be 1s to 10s, can be realized especially by the length of the time of workpiece according to the speed of regulation drive device 23.When
When induction-box 11 is away from heated workpiece, workpiece can natural cooling or use air-cooled quick cooling, it is ensured that workpiece tissue
Crystal grain is tiny, and crystal grain is difficult to continue to grow up.
This technique makes workpiece moment produce alternating current by the eddy current effect of sensing heating, reach be rapidly heated with it is cold
But purpose, retains the dislocation energy of workpiece tissue, allows crystal grain to have little time to grow up, and improves the effect of recrystallization, obtains thinner crystalline substance
Grain tissue, improve toughness of material, the heat penetration of aluminium can be effectively improved from intermediate frequency equipment, it is ensured that heating it is uniform
Property.
After the completion of subsequent heat, automatic packaging equipment can also be equipped with, realizes that production and wrapper synchronization are completed, optimization life
Flow is produced, cost of labor is reduced, production efficiency is improved.
Reference picture 4, the performance of slow annealing uses the trade mark for 3003 aluminium section bar, meets national standard
GBT3190-1996《Deform aluminium and aluminum alloy chemical composition》Si≤0.60%, Fe≤0.70%, Cu≤0.05-0.20%, Mn
≤ 1.00-1.50%, Zn≤0.10% requirement, squeezed state T5.
Slow annealing：Using shaft furnace slow annealing technique, 10 DEG C/min of programming rate is incubated 15min at 430 ± 5 DEG C
Afterwards, come out of the stove air cooling.
Detection：According to national standard GB/T 3246.1-2012《Aluminium and the Al-alloy products microscopic structure method of inspection are deformed, the
The 1 part microscopic structure method of inspection》From etchant 6, etching time 5-10s passes through OLYMPUS-GX51 metallographic microscopes
Crystal grain grading is carried out, grading situation is shown in Fig. 4.
Concrete outcome is as follows, field of view number：1, mean intercept number：51, mean intercept：42um, 5.9 grades of average level is average
Diameter：47.4525um, average area 2251.74um2, grain density：444.101 individual/mm2。
Reference picture 5, using specific embodiment of the utility model, uses the trade mark for 3003 aluminium section bar, meets national mark
Quasi- GBT3190-1996《Deform aluminium and aluminum alloy chemical composition》Si≤0.60%, Fe≤0.70%, Cu≤0.05-0.20%,
Mn≤1.00-1.50%, Zn≤0.10% requirement, squeezed state T5.
Short annealing：Using sensing rta technique, 430 DEG C/s of programming rate after 430 ± 5 DEG C are incubated 10s, goes out
Stove air cooling.
Detection：According to national standard GB/T 3246.1-2012《Aluminium and the Al-alloy products microscopic structure method of inspection are deformed, the
The 1 part microscopic structure method of inspection》From etchant 6, etching time 5-10s passes through OLYMPUS-GX51 metallographic microscopes
Crystal grain grading is carried out, grading situation is shown in Fig. 5.
Concrete outcome is as follows, field of view number：1, mean intercept number：97, mean intercept：29um, 7.0 grades of average level is average
Diameter：32.5178um, average area 1057.40um2, grain density：945.712 individual/mm2。
Embodiment not limited to this of the present utility model, according to the above of the present utility model, utilizes the general of this area
Logical technological know-how and customary means, under the premise of the above-mentioned basic fundamental thought of the utility model is not departed from, the utility model may be used also
To make the modification of other diversified forms, replace or change, all fall within the utility model rights protection scope.
Claims (7)
1. a kind of aluminium section bar Quick annealing device, is electrically connected with electrical control cabinet (13), it is characterised in that：Including sensing heating portion
Divide (1) and mechanical driving part (2)；Wherein, the sensing heating part (1) includes induction-box (11), is arranged on the sensing
Induction coil copper pipe (110) in case (11) and the heating power supply (12) electrically connected with the induction-box (11), the induction-box
(11) electrical control cabinet (13) is electrically connected；
The mechanical driving part (2) includes slideway (21), the connecting portion (25) for being provided with sliding block and drives the slide block movement
Drive device (23), the connecting portion (25) is fixedly connected with the induction-box (11), and the sliding block is arranged on the slideway
(21) on, the induction-box (11) is driven to be slided along the slideway (21) by the drive device (23) driving during work, it is described
Drive device (23) is electrically connected with the electrical control cabinet (13)；
Also include the pallet (22) through the induction-box (11) of at least one, the pallet (22), which is used for placement, needs annealing
The aluminium section bar workpiece of processing.
2. a kind of aluminium section bar Quick annealing device according to claim 1, it is characterised in that：Set on the slideway (21)
There are at least two limiters (24), limiter (24) is separately fixed at the two ends of the slideway (21) described in two of which.
3. a kind of aluminium section bar Quick annealing device according to claim 1, it is characterised in that：The heating power supply (12) is
Medium frequency heating power source.
4. a kind of aluminium section bar Quick annealing device according to claim 1, it is characterised in that：The slideway (21) and/or
Air cooling equipment is provided with the pallet (22).
5. a kind of aluminium section bar Quick annealing device according to claim 1, it is characterised in that：The pallet (22) is circular arc
Shape structure pallet, the center line of the pallet (22) and the center line and the center line weight of workpiece of the induction coil copper pipe (110)
Close.
6. a kind of aluminium section bar Quick annealing device according to any one of claim 1 to 5, it is characterised in that：The sense
Heating part (1) is answered also to include the cyclic water tank (15) with water circulating pump for being used to cool down the heating power supply (12), and
Filter plant (16) for circulating water filtration.
7. a kind of aluminium section bar Quick annealing device according to any one of claim 1 to 5, it is characterised in that：The sense
Copper pipe (110) internal diameter should be enclosed more than workpiece external diameter 5mm to 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488608.4U CN206375958U (en) | 2016-12-29 | 2016-12-29 | A kind of aluminium section bar Quick annealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488608.4U CN206375958U (en) | 2016-12-29 | 2016-12-29 | A kind of aluminium section bar Quick annealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206375958U true CN206375958U (en) | 2017-08-04 |
Family
ID=59403820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621488608.4U Withdrawn - After Issue CN206375958U (en) | 2016-12-29 | 2016-12-29 | A kind of aluminium section bar Quick annealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206375958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521131A (en) * | 2016-12-29 | 2017-03-22 | 广东和胜工业铝材股份有限公司 | Fast annealing process for aluminum profile and device thereof |
| CN109234514A (en) * | 2018-07-31 | 2019-01-18 | 东北轻合金有限责任公司 | A method of the control aluminium alloy thin-walled annealing tubing grain size of 3A21 |
-
2016
- 2016-12-29 CN CN201621488608.4U patent/CN206375958U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521131A (en) * | 2016-12-29 | 2017-03-22 | 广东和胜工业铝材股份有限公司 | Fast annealing process for aluminum profile and device thereof |
| CN106521131B (en) * | 2016-12-29 | 2018-08-07 | 广东和胜工业铝材股份有限公司 | A kind of aluminium section bar rta technique and its device |
| CN109234514A (en) * | 2018-07-31 | 2019-01-18 | 东北轻合金有限责任公司 | A method of the control aluminium alloy thin-walled annealing tubing grain size of 3A21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170804 Effective date of abandoning: 20180807 |