CN108220839A - The on-line continuous quenching technical and its continuous quenching device of extruded aluminium section - Google Patents
The on-line continuous quenching technical and its continuous quenching device of extruded aluminium section Download PDFInfo
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- CN108220839A CN108220839A CN201611154938.4A CN201611154938A CN108220839A CN 108220839 A CN108220839 A CN 108220839A CN 201611154938 A CN201611154938 A CN 201611154938A CN 108220839 A CN108220839 A CN 108220839A
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- China
- Prior art keywords
- aluminium section
- section bar
- continuous quenching
- hoisting mechanism
- temperature
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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
-
- 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
- B21C23/21—Presses specially adapted for extruding metal
-
- 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
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/003—Cooling or heating of work
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Extrusion Of Metal (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention relates to a kind of extruded aluminium section on-line continuous quenching unit, it is characterized in that：The port of export of aluminum section extruder is equipped with aluminium section bar temperature hoisting mechanism, aluminium section bar temperature hoisting mechanism lower end is connected with sink and cold bed in turn, aluminium section bar temperature hoisting mechanism includes U-shaped load coil and lifting guide pillar, the U-shaped load coil is slidably connected with lifting guide pillar, and the lifting guide pillar is fixed in the skidding off on platform of the aluminum section extruder port of export.Continuous quenching technique sets aluminium section bar temperature hoisting mechanism in the aluminium section bar port of export of aluminum section extruder, the temperature of aluminium section bar is promoted to 420 DEG C 520 DEG C of hardening heat, 1 50 ms/min of extrusion speed, 5 60 points of soaking time in traveling process is squeezed.Advantageous effect：Aluminium section bar of the present invention sets aluminium section bar temperature hoisting mechanism after normal extrusion, in the port of export of equipment, can promote temperature of the aluminium section bar in extrusion process, realize on-line continuous quenching technical.
Description
Technical field
The invention belongs to aluminium or acierals more particularly to a kind of outlet temperature that is used for be less than hardening heat extruded aluminium section
On-line continuous quenching unit and its continuous quenching technique.
Background technology
Industrial wrought aluminium alloy, especially 2XXX systems and 7XXX systems, since outlet temperature is less than hardening heat, existing equipment
It can not generally realize press quenching, general quenching technology is after hot extrusion molding, is needed in special glowing furnace (typically
Upright quenching furnace) in carry out heating and thermal insulation, then quenched in coolant (being typically a water) well deep enough, it is entire to produce
Period is generally 2-3 days, and the equipment investment of existing quenching unit is huge, and production procedure step is complicated, and the production cycle is longer.
Number of patent application 200610057982.3 discloses a kind of online heat preservation quenching unit, the online heat preservation quenching dress
It puts and is made of components such as stent, graphite cake, roller, sink, sparge pipe, heating, temperature keeping device, temperature element, lifting devices；Branch
Frame is located in the middle part of sink, elongated shape, equipped with multiple rollers on the upside of stent, roller equidistantly to arrange, each two roller it
Between be equipped with several graphite cakes again, stent, roller and graphite cake form one and skid off platform structure；Heating and heat-insulating device is in pipe-like,
It is buckled in and skids off on platform, inner wall is equipped with electric calorifie installation；Sink is located at the periphery for skidding off platform, and both sides are equipped with sparge pipe, cooling
Liquid can be sprayed from sparge pipe.Equipment investment, quenching treatment energy consumption are reduced, simplifies technical process, shortens the production cycle, but
Its there are the defects of：First, the patent is used to promote section bar temperature using Electric heating, continuous production can not be realized, for cooperation
This device, extrusion process interruption carry out, and influence extruding efficiency and quality, production cost is higher；Second is that heating uses electrothermal method,
Heating speed is slow, and thermal uniformity is poor, and heating part length is longer, and occupied space is larger；Third, water injector easily splashes, influence
Working environment, and inhomogeneous cooling is even, causes performance deficiency.
Number of patent application：201310296503.3 a kind of aluminium profile quenching device is disclosed, including：Sink has water inlet
Pipe and outlet pipe are respectively equipped with control valve on the water inlet pipe and outlet pipe；Blanket roller, setting in the sink, are treated for receiving
The aluminium section bar of quenching；Stock mould is arranged on blanket roller top, including an inner cavity, the stock mould between sink be equipped with
The nozzle that water inlet pipe is connected；Temperature sensor is connected with the stock mould；PID controller, with temperature sensor and water inlet
Control valve on pipe is connected, and for receiving the temperature signal of temperature sensor transmission, and is adjusted according to the temperature signal of reception
Save the opening of control valve on the water inlet pipe.The present invention is according to differential profiles cross dimensions and material adjustment different location cooling speed
Degree and cooling stage reduce temperature distribution is non-uniform property, so as to make its structure property uniform.Since stock mould exists, limit
Displacement freedom on cross section, so as to reduce deformation defect.But its there are the defects of：Due to there is no heating device for outlet,
It can only handle and squeeze the section bar that outlet temperature is not less than hardening heat, and be less than less than the extruding outlet temperature involved by this patent
The section bar of hardening heat is inapplicable.
Number of patent application：201120009388.3 a kind of press quenching device of extruded aluminium section production is disclosed, including
Organic frame, jet pipe and nozzle, nozzle are mounted on the end of jet pipe, and nozzle is distributed in aluminium section bar item along aluminium section bar billot direction of travel
The side of material, it is characterised in that：The water outlet of the nozzle is long and narrow, and the rotation dress of driving jet pipe rotation is equipped on jet pipe
It puts.But its there are the defects of：Due to not having heating device for outlet, the type that outlet temperature is not less than hardening heat that squeezes can only be handled
Material, and be inapplicable for the section bar of hardening heat less than the extruding outlet temperature involved by this patent.
Number of patent application：201520409549. a kind of large-size complex-cross-section aluminium section bar press quenching equipment is disclosed, including
Quenching unit, the first detection device, ventilation duct, water inlet pipe, second detection device, the first execution unit, the second execution unit, under
Position machine control device and PC control device, quenching unit connect the first detection device, ventilation duct, water inlet pipe and second respectively
Detection device one end, the first detection device other end are connect with PC control device, and ventilation duct other end connection first performs
Unit one end, first execution unit other end connection slave computer control device, the water inlet pipe other end connect the second execution unit one
End, second execution unit other end connection slave computer control device, second detection device other end connection slave computer control device.
But its there are the defects of：Due to there is no heating device for outlet, it can only handle and squeeze the section bar that outlet temperature is not less than hardening heat,
And it is inapplicable for the section bar of hardening heat less than outlet temperature is squeezed.
Invention content
It is an object of the invention to overcome the shortcomings of above-mentioned technology, and provide a kind of on-line continuous quenching of extruded aluminium section
Technique and its continuous quenching device, aluminium section bar set aluminium section bar temperature hoisting mechanism after normal extrusion, in the port of export of equipment,
Temperature of the aluminium section bar in extrusion process can be promoted, realizes on-line continuous quenching technical.
The present invention to achieve the above object, using following technical scheme：It is a kind of to be quenched using extruded aluminium section on-line continuous
The continuous quenching technique of device sets aluminium section bar temperature hoisting mechanism in the aluminium section bar port of export of aluminum section extruder, is squeezing
The temperature of aluminium section bar is promoted to hardening heat in traveling process, it is characterized in that：Specific continuous quenching technique is as follows：
1) start extruded aluminium section；
2) extruded aluminium section is cut off, and the seal through water-carrying groove import enters sink；
3) in Extrusion Process of Aluminum Alloy Profile operational process, the U-shaped load coil of aluminium section bar temperature hoisting mechanism is fallen, and begins to warm up aluminium
Section bar, 420 DEG C -520 DEG C of hardening heat for promoting its temperature；
4) 5-60 points of 1-50 ms/min of adjustment extrusion speed and soaking time；
5) circulating water is added in sink, continuous quenching is carried out to the aluminium section bar for having reached hardening heat；
6) aluminium section bar by quenching cools down into cold bed by sink exit seal mouth, realizes continuous quenching.
The U-shaped load coil working width is 20mm_500mm.
A kind of extruded aluminium section on-line continuous quenching unit, including aluminum section extruder, it is characterized in that：The aluminium section bar squeezes
The extruded aluminium section port of export of press is equipped with aluminium section bar temperature hoisting mechanism, and the aluminium section bar temperature hoisting mechanism lower end connects successively
Sink and cold bed are connected to, the aluminium section bar temperature hoisting mechanism includes the U-shaped load coil and lifting guide pillar of lower openings,
The U-shaped load coil is slidably connected with lifting guide pillar, and the lifting guide pillar is fixed in the aluminum section extruder port of export
It skids off on platform, cold bed is connected in the middle part of the sink.
The sink both ends are equipped with the import and outlet of section bar, and the import is respectively equipped with outlet prevents cooling water from leaking out
Seal.
Advantageous effect：Compared with prior art, aluminium section bar of the present invention sets aluminium after normal extrusion in the port of export of equipment
Section bar temperature hoisting mechanism can promote temperature of the aluminium section bar in extrusion process, realize on-line continuous quenching technical.Using sense
It should heat, heating speed is fast, is easy to control temperature, and thermal uniformity is good, can shorten the length of bringing-up section, occupy little space.With
In carrying out quenching treatment to aluminium section bar direct-on-line on large-size complex-cross-section Extrusion Process of Aluminum Alloy Profile line, quenching technical stream can be simplified by having
Journey shortens the advantages of production cycle, reduction production cost and raising production efficiency.
Description of the drawings
Fig. 1 is on-line continuous quenching unit overlooking the structure diagram；
Fig. 2 is the A-A sectional views of Fig. 1.
In figure：1st, aluminum section extruder, 2, coil lifting guide pillar, 3, U-shaped load coil, 4, seal, 5, sink,
6th, aluminium section bar, 7, cold bed.
Specific embodiment
With reference to the preferred embodiment specific embodiment that the present invention will be described in detail.
Attached drawing is referred to, a kind of continuous quenching technique using extruded aluminium section on-line continuous quenching unit is squeezed in aluminium section bar
The temperature of aluminium section bar, is promoted to by the aluminium section bar port of export setting aluminium section bar temperature hoisting mechanism of press in traveling process is squeezed
Hardening heat, specific continuous quenching technique are as follows：
1) start extruded aluminium section 6；
2) extruded aluminium section is cut off, and the seal through water-carrying groove import enters sink；
3) in Extrusion Process of Aluminum Alloy Profile operational process, the U-shaped load coil of aluminium section bar temperature hoisting mechanism is fallen, and begins to warm up aluminium
Section bar, 420 DEG C -520 DEG C of hardening heat for promoting its temperature；
4) 5-60 points of 1-50 ms/min of adjustment extrusion speed and soaking time；
5) circulating water is added in sink, continuous quenching is carried out to the aluminium section bar for having reached hardening heat；
6) aluminium section bar by quenching cools down into cold bed by sink exit seal mouth, realizes continuous quenching.
The U-shaped load coil working width is 20mm_500mm.
It can be adopted according to the appearance and size of extrudate and extrusion speed and hardening heat difference, U-shaped load coil
It is heated with high frequency, intermediate frequency and power frequency.
It is recirculated cooling water in sink, to ensure the transfer time of technological requirement and cooling velocity.
A kind of extruded aluminium section on-line continuous quenching unit, including aluminum section extruder 1, the aluminum section extruder squeezes
The jewelling section bar port of export is equipped with aluminium section bar temperature hoisting mechanism, and the aluminium section bar temperature hoisting mechanism lower end is connected with sink in turn
5 and cold bed 7, the aluminium section bar temperature hoisting mechanism includes the U-shaped load coil 3 of lower openings and lifting guide pillar 2, described
U-shaped load coil is slidably connected with lifting guide pillar, and the lifting guide pillar is fixed in skidding off for the aluminum section extruder port of export
On platform, cold bed is connected in the middle part of the sink.The sink both ends are equipped with the import and outlet of section bar, the import and outlet point
The seal 4 that She You do not prevent cooling water from leaking out.Cold bed is located in the middle part of sink, and aluminium section bar can slide over；U-shaped sensing heating
Coil back-off is skidded off in what extruder carried on platform (not shown), and lifted by lifting guide pillar.Described device is equipped with
Coil lifting guide pillar, for promoting or transferring U-shaped load coil.The U-shaped load coil when aluminium section bar just squeezes out
In a high position, sink is inserted into convenient for the section bar cropping of outlet, then U-shaped load coil passes through conventional hydraulic or pneumatic device
Operating position is dropped to, starts to heat to aluminium section bar.The lifting guide pillar is using conventional guide post guide sleeve structure.
It is above-mentioned with reference to embodiment to the on-line continuous quenching technical of extruded aluminium section a kind of and its continuous quenching device into
Capable detailed description is illustrative rather than limited, can enumerate several embodiments according to limited range, therefore
Change and modification in the case where not departing from present general inventive concept should belong within protection scope of the present invention.
Claims (5)
1. a kind of continuous quenching technique of extruded aluminium section on-line continuous quenching unit is exported in the aluminium section bar of aluminum section extruder
End setting aluminium section bar temperature hoisting mechanism, hardening heat, feature are promoted in traveling process is squeezed by the temperature of aluminium section bar
It is：Specific continuous quenching technique is as follows：
1) start extruded aluminium section；
2) extruded aluminium section is cut off, and the seal through water-carrying groove import enters sink；
3) in Extrusion Process of Aluminum Alloy Profile operational process, the U-shaped load coil of aluminium section bar temperature hoisting mechanism is fallen, and begins to warm up aluminium
Section bar, 420 DEG C -520 DEG C of hardening heat for promoting its temperature；
4) 5-60 points of 1-50 ms/min of adjustment extrusion speed and soaking time；
5) circulating water is added in sink, continuous quenching is carried out to the aluminium section bar for having reached hardening heat；
6) aluminium section bar by quenching cools down into cold bed by sink exit seal mouth, realizes continuous quenching.
2. the continuous quenching technique of extruded aluminium section on-line continuous quenching unit according to claim 1, it is characterized in that：Institute
U-shaped load coil working width is stated as 20mm_500mm.
3. extruded aluminium section on-line continuous quenching unit according to claim 1, it is characterized in that：Including Extrusion Process of Aluminum Alloy Profile
Machine, it is characterized in that：The extruded aluminium section port of export of the aluminum section extruder is equipped with aluminium section bar temperature hoisting mechanism, the aluminium profiles
Material temperature hoisting mechanism lower end is connected with sink and cold bed in turn, and the aluminium section bar temperature hoisting mechanism includes the U of lower openings
Type load coil and lifting guide pillar, the U-shaped load coil are slidably connected with lifting guide pillar, and the lifting guide pillar is consolidated
Skidding off on platform for the aluminum section extruder port of export is connected on, cold bed is connected in the middle part of the sink.
4. extruded aluminium section on-line continuous quenching unit according to claim 3, it is characterized in that：The sink both ends are equipped with
The import and outlet of section bar, the import are respectively equipped with the seal for preventing cooling water from leaking out with outlet.
5. extruded aluminium section on-line continuous quenching unit according to claim 3, it is characterized in that：The U-shaped sensing heating
Coil working width is 20mm_500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611154938.4A CN108220839A (en) | 2016-12-14 | 2016-12-14 | The on-line continuous quenching technical and its continuous quenching device of extruded aluminium section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611154938.4A CN108220839A (en) | 2016-12-14 | 2016-12-14 | The on-line continuous quenching technical and its continuous quenching device of extruded aluminium section |
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| Publication Number | Publication Date |
|---|---|
| CN108220839A true CN108220839A (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611154938.4A Pending CN108220839A (en) | 2016-12-14 | 2016-12-14 | The on-line continuous quenching technical and its continuous quenching device of extruded aluminium section |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951950A (en) * | 2019-12-26 | 2020-04-03 | 广东和胜工业铝材股份有限公司 | Water immersion device for aluminum extruded product |
-
2016
- 2016-12-14 CN CN201611154938.4A patent/CN108220839A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110951950A (en) * | 2019-12-26 | 2020-04-03 | 广东和胜工业铝材股份有限公司 | Water immersion device for aluminum extruded product |
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Application publication date: 20180629 |