CN203938695U - Aldural press quenching system - Google Patents

Aldural press quenching system Download PDF

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Publication number
CN203938695U
CN203938695U CN201420362999.XU CN201420362999U CN203938695U CN 203938695 U CN203938695 U CN 203938695U CN 201420362999 U CN201420362999 U CN 201420362999U CN 203938695 U CN203938695 U CN 203938695U
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China
Prior art keywords
aluminium alloy
quenching
alloy extrusions
holding furnace
aldural
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CN201420362999.XU
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Chinese (zh)
Inventor
吴维光
梁世斌
张洪亮
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Shandong Huajian Aluminium Group Co Ltd
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Shandong Huajian Aluminium Group Co Ltd
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Abstract

The utility model discloses a kind of aldural press quenching system and press quenching technique thereof, this press quenching system comprises extrusion machine, holding furnace, quenching device and tractor; This press quenching technique comprises aluminium alloy cast rod preheating, limit hot extrude flanging traction, insulation or heating and thermal insulation, quench treatment step; Adopt after aldural press quenching system of the present utility model and press quenching technique thereof, from aluminium alloy extrusions, leave the section bar outlet of extrusion machine, to quenching device, carry out quick Cooling Quenching processing, the whole transfer process time is very short, instant press quenching, production continuously after aluminium alloy extrusions extruded product part has pushed have been realized, production cycle shortens greatly, has guaranteed the consistence of quality product; In production process, calorific loss is few, and energy consumption is low, has both saved the energy, has improved again environment, compares with vertical air stove quenching technology, and save energy is more than 80%, and economic benefit is objective.

Description

Aldural press quenching system
Technical field
The utility model relates to aldural heat treatment technics field, relates in particular to a kind of for aldural being carried out to system and the press quenching technique thereof of press quenching.
Background technology
In aldural series, 2XXX line aluminium alloy is called duralumin, and 7XXX line aluminium alloy is called ultralumin.These two serial aluminium alloys are because hardness is high, resistance to deformation is large, and when aluminium alloy cast rod is hot extruded into aluminium alloy extrusions, extrusion speed is very slow, general all speed between 0.8-3.5 m/min.Because slow like this speed can not guarantee the whole aluminium alloy extrusions temperature consistence squeezing out, therefore can not realize press quenching.At present, great majority adopt vertical air stoves to quench to aluminium alloy extrusions, and its technological process is: aluminium alloy cast rod preheating → be squeezed into aluminium alloy extrusions → cooling aluminium alloy extrusions → wear iron wire → aluminium alloy extrusions is hung up to hanging scaffold → aluminium alloy extrusions is put into the heating → insulation of vertical air stove with extrusion machine after the port boring of aluminium alloy extrusions is reached to quenching temperature → aluminium alloy extrusions is come out of the stove and quench in cooling fluid.
The problem that this technique exists is:
(1) the aluminium alloy extrusions self-temperature very high (more than 440 ℃) being extruded by extrusion machine hot extrude, but this part heat is not fully utilized, but be naturally lost in surrounding environment, aluminium alloy extrusions is cooled to normal temperature, and before follow-up quenching step, also need that the aluminium alloy extrusions of normal temperature is put into vertical air stove to reheat, heat up, be incubated and reach needed quenching temperature, therefore this quenching technology energy consumption is very high, ambient temperature is high, severe operational environment; The investment of vertical air stove is expensive, and the investment of a vertical air stove is between 1,000,000 yuan-1,000 ten thousand yuans (different according to upright quenching furnace height) conventionally; In addition also to build, the deep well of a quenching use.Therefore, whole plant investment is large.
(2) this quenching technology is batch production, and aluminium alloy extrusions can not be realized on-line continuous and quench, and the production cycle is longer, generally needs the time of 2-3 days.
Summary of the invention
First technical problem to be solved in the utility model is: a kind of aldural press quenching system is provided, this press quenching system makes full use of the heat of the aluminium alloy extrusions being squeezed out by extrusion machine own and reaches fast quenching temperature, with save energy, reduction energy consumption; Realize the press quenching of aluminium alloy extrusions simultaneously, produce continuously, shorten the production cycle, enhance productivity.
Second technical problem to be solved in the utility model is: a kind of press quenching technique of applying aldural press quenching system is provided.
For solving above-mentioned first technical problem about aldural press quenching system, the technical solution of the utility model is: aldural press quenching system, comprising:
Extrusion machine, described ectrusion press is in the aluminium alloy cast rod after preheating is hot extruded into aluminium alloy extrusions;
Holding furnace, described holding furnace is horizontal tubular structure, and the entrance of described holding furnace arranges near the section bar outlet of described extrusion machine, and described holding furnace is used for the aluminium alloy extrusions being hot extruded into by described extrusion machine to be incubated, or heats and be incubated;
Quenching device, described quenching device is near the outlet setting of described holding furnace, for quenching to coming from the aluminium alloy extrusions extruded product part of described holding furnace; With
Tractor, described tractor comprise by power set, driven can be along the tow tractor of track linear reciprocating motion, described track runs through described quenching device and described holding furnace, described tow tractor is provided with fixture, and described fixture is for clamping one end of the aluminium alloy extrusions that comes from described extrusion machine section bar outlet.
In technique scheme, preferably, described holding furnace comprises body of heater, and described body of heater is provided with thermal insulation layer; Described body of heater inner chamber is provided with heating unit and temperature element; Described body of heater intracavity bottom is provided with for transmitting some cylinders of described aluminium alloy extrusions; On the described body of heater of the ingress of close described holding furnace, be provided with Access Door.
In technique scheme, preferably, described quenching device comprises some cooling spray pipes of arranging in the form of a ring, and the setting party of some described cooling spray pipes is to consistent with the direction of motion of described aluminium alloy extrusions, and the spray orifice on some described cooling spray pipes is centripetal setting.
In technique scheme, preferably, in the downstream of described quenching device, be also provided with for placing the cold bed of the aluminium alloy extrusions extruded product part after quenching, at the side of described cold bed, be provided with for the drawing machine to the tension leveling of described aluminium alloy extrusions extruded product part.
For solving above-mentioned second technical problem about aldural press quenching technique, the technical solution of the utility model is: aldural press quenching technique, comprises the following steps:
S10, the running of described tractor, described power set drives described tow tractor along described orbital motion to the section bar exit near described extrusion machine;
S20, the aluminium alloy cast rod by described extrusion machine after to preheating carry out hot extrusion;
The fixture of S30, described tow tractor clamps one end of the aluminium alloy extrusions squeezing out; When described extrusion machine carries out hot extrusion to aluminium alloy cast rod, the aluminium alloy extrusions that described tow tractor sync pulling squeezes out enters in described holding furnace;
S40, the insulation in described holding furnace of described aluminium alloy extrusions, or be heated and be incubated;
S50, extrusion machine push complete, make an aluminium alloy extrusions extruded product part, when described aluminium alloy extrusions extruded product part reaches quenching temperature in described holding furnace, described tow tractor walks to quenching device fast along aluminium alloy extrusions extruded product part described in described track drawing, by described quenching device, aluminium alloy extrusions extruded product part is carried out to quench treatment.
In above-mentioned quenching technology technical scheme, preferably, also comprise: S60, stretching step, the aluminium alloy extrusions extruded product part by drawing machine after to quench treatment carries out tension leveling processing.
Owing to having adopted technique scheme, aldural press quenching system of the present utility model comprises extrusion machine, holding furnace, quenching device and tractor, while producing aluminium alloy extrusions extruded product part, the power set of tractor drives tow tractor orbiting to the section bar exit near extrusion machine, aluminium alloy cast rod by extrusion machine after to preheating carries out hot extrusion molding, the firm section bar outlet of leaving extrusion machine in one end of aluminium alloy extrusions, just the fixture that is pulled car clamps, when extrusion machine carries out hot extrusion to aluminium alloy cast rod, the aluminium alloy extrusions that tow tractor sync pulling squeezes out enters in holding furnace, the process of tow tractor sync pulling has played tension leveling effect to aluminium alloy extrusions, in the time of guaranteeing follow-up quenching, distortion is minimum, during due to hot extrusion, aluminium alloy cast rod self-temperature is very high, substantially approach quenching temperature, and the aluminium alloy extrusions one of extrusion molding leaves the section bar outlet of extrusion machine, in the situation that almost there is no heat loss, just be pulled car traction and enter holding furnace insulation, avoided calorific loss, now holding furnace only need provide heat seldom, even do not need aluminium alloy extrusions to heat, aluminium alloy extrusions just can reach quenching temperature, and aluminium alloy extrusions one reaches quenching temperature, just being pulled car traction leaves fast holding furnace and enters quenching device, by quenching device, it is carried out to quick Cooling Quenching processing.Afterwards, power set drives tow tractor again to move to the section bar exit near extrusion machine along track, carries out next working cycle.
Adopt after aldural press quenching system of the present utility model and press quenching technique thereof, from aluminium alloy extrusions, leave the section bar outlet of extrusion machine, at holding furnace insulation or heating and thermal insulation, to quenching device, carry out quick Cooling Quenching processing, the whole transfer process time is very short, actual production shows only with several minutes, instant press quenching, production continuously after aluminium alloy extrusions extruded product part has pushed have been realized, guaranteed the consistence of quality product, than existing quenching technology, the production cycle shortens greatly; The setting of holding furnace and tractor, has guaranteed that, in production process, transfer time is short, and calorific loss is few, and energy consumption is low, has both saved the energy, has improved again environment, and actual production shows, compares with traditional vertical air stove quenching technology, can save energy more than 80%.
Accompanying drawing explanation
Fig. 1 is the layout schematic diagram of the aldural press quenching system of the utility model embodiment;
Fig. 2 is the A-A diagrammatic cross-section in Fig. 1;
Fig. 3 is the schematic process flow diagram of the aldural press quenching technique of the utility model embodiment;
In figure: 1-tractor; 2-cold bed; 3-quenching device; 4-holding furnace; 41-thermal insulation layer; 42-heating unit; 43-temperature element; 44-cylinder; 45-aluminium alloy extrusions extruded product part; 5-Access Door; 6-aluminium alloy extrusions; 7-extrusion machine; 8-drawing machine; 9-track.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further non-limitingly described.
In Fig. 1, arrow is depicted as the traffic direction of aluminium alloy extrusions.As shown in Figure 1, the aldural press quenching system of the utility model embodiment, comprising:
Extrusion machine 7, extrusion machine 7 is for being hot extruded into aluminium alloy extrusions by the aluminium alloy cast rod after preheating;
Holding furnace 4, holding furnace 4 is horizontal tubular structure, and wherein, the entrance of holding furnace 4 arranges near the section bar outlet of extrusion machine 7, and holding furnace 4 is for the aluminium alloy extrusions being hot extruded into by extrusion machine 7 is incubated, or heats and be incubated;
Quenching device 3, this quenching device 3 is near the outlet setting of holding furnace 4, for carrying out quench treatment to coming from the aluminium alloy extrusions extruded product part of holding furnace 4; With
Tractor 1, this tractor 1 comprise using that motor drives as power set can be along the tow tractor of track 9 linear reciprocating motions, wherein, track 9 runs through quenching device 3 and holding furnace 4 and arranges, on tow tractor, be provided with fixture, this fixture is for clamping one end of the aluminium alloy extrusions of the section bar outlet of coming from extrusion machine 7.Tractor is the traction type equipment of widespread use in prior art, in inferior structure and the principle of work thereof that no longer describes and illustrate tractor in detail.
As shown in Figure 2, in the present embodiment, holding furnace 4 comprises body of heater, is provided with thermal insulation layer 41 on body of heater; At body of heater inner chamber, be provided with heating unit 42 and temperature element 43; At body of heater intracavity bottom, be provided with for transmitting some cylinders 44 of aluminium alloy extrusions; On the body of heater of the ingress near holding furnace 4, be provided with Access Door 5.When the fixture of tow tractor is when clamping aluminium alloy extrusions goes wrong, can open the Access Door 5 that this activity arranges, by manually helping handling failure.
Wherein, the structure of quenching device 3 can be: comprise some cooling spray pipes of arranging in the form of a ring, the setting party of some cooling spray pipes is to consistent with the direction of motion of aluminium alloy extrusions, and the spray orifice on some cooling spray pipes is centripetal setting (not specifically signal in figure).Or adopt the structure for quenching of other routines.
As shown in Figure 1, also can in the downstream of quenching device 3, be provided for placing the cold bed 2 of the aluminium alloy extrusions extruded product part after quenching further, at the side of cold bed 2, be provided for aluminium alloy extrusions extruded product part to carry out the drawing machine 8 of tension leveling.
As shown in Figure 3, the aldural press quenching technique of the utility model embodiment, comprises the following steps:
S1, for the aldural of different trade mark series, according to temperature parameter requirement separately, preheating aluminium alloy cast rod, carries out homogenizing processing to it, the temperature that the aldural homogenizing of different trade mark series is processed is different, but temperature range is at 460 ℃-550 ℃; The extrusion mould of pre-heat extruder 7, the preheating temperature of extrusion mould is according to the aldural of different trade mark series and different, and the preheating temperature of extrusion mould is at 420 ℃-480 ℃;
S10, tractor 1 running, drive tow tractor to move to the section bar exit near extrusion machine 7 along track 9 by power set, waits for the aluminium alloy extrusions that traction squeezes out;
S20, extrusion machine 7 carry out hot extrusion by its extrusion mould to aluminium alloy cast rod;
The fixture of S30, tow tractor clamps one end of the aluminium alloy extrusions 6 squeezing out; When 7 pairs of aluminium alloy cast rods of extrusion machine carry out Continuous Heat extruding, the aluminium alloy extrusions 6 that tow tractor sync pulling squeezes out enters in holding furnace 4;
S40, higher aluminium alloy extrusions 6 insulation in holding furnace 4 of self temperature, the setting of thermal insulation layer 41 makes holding furnace 4 have good heat insulation effect; When temperature element 43 records while not yet reaching quenching temperature, by 42 pairs of aluminium alloy extrusions of heating unit, heated, because entering holding furnace 4, aluminium alloy extrusions 6 self compaction machines 7 almost there is no heat loss, self temperature is higher, therefore 42 need of heating unit provide heat seldom just can make aluminium alloy extrusions reach quenching temperature;
S50, extrusion machine 7 push complete, make an aluminium alloy extrusions extruded product part 45, this aluminium alloy extrusions extruded product part 45 one reaches quenching temperature in holding furnace 4, tow tractor draws at once this aluminium alloy extrusions extruded product part 45 along track 9 and walks to fast quenching device 3, by 3 pairs of aluminium alloy extrusions extruded product parts 45 of quenching device, carries out quench treatment.Afterwards, power set drives tow tractor again to move to the section bar exit near extrusion machine 7 along track 9, carries out next working cycle.
In above-mentioned quenching technology technical scheme, also further comprise: S60, stretching step, be placed on aluminium alloy extrusions extruded product part 45 on cold bed 2 by 8 pairs of quench treatment of drawing machine and carry out conventional tension leveling and process.
Adopt after aldural press quenching system of the present utility model and press quenching technique thereof, from aluminium alloy extrusions, leave the section bar outlet of extrusion machine, at holding furnace insulation or heating and thermal insulation, to quenching device, carry out quick Cooling Quenching processing, the whole transfer process time is very short, actual production shows only with several minutes, instant press quenching, production continuously after aluminium alloy extrusions extruded product part has pushed have been realized, than existing quenching technology, production cycle shortens greatly, has guaranteed the consistence of quality product; The setting of holding furnace and tractor, has guaranteed that, in production process, transfer time is short, and calorific loss is few, energy consumption is low, has both saved the energy, has improved again environment, and actual production shows, compare with traditional vertical air stove quenching technology, can save energy more than 80%, obtained objective economic benefit.Aldural press quenching system of the present utility model and press quenching technique thereof can be widely used in the aldurals such as 2XXX system, 7XXX system, 6XXX system.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have multiple change and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (5)

1. aldural press quenching system, is characterized in that, comprising:
Extrusion machine, described ectrusion press is in the aluminium alloy cast rod after preheating is hot extruded into aluminium alloy extrusions;
Holding furnace, described holding furnace is horizontal tubular structure, and the entrance of described holding furnace arranges near the section bar outlet of described extrusion machine, and described holding furnace is used for the aluminium alloy extrusions being hot extruded into by described extrusion machine to be incubated, or heats and be incubated;
Quenching device, described quenching device is near the outlet setting of described holding furnace, for quenching to coming from the aluminium alloy extrusions extruded product part of described holding furnace; With
Tractor, described tractor comprise by power set, driven can be along the tow tractor of track linear reciprocating motion, described track runs through described quenching device and described holding furnace, described tow tractor is provided with fixture, and described fixture is for clamping one end of the aluminium alloy extrusions that comes from described extrusion machine section bar outlet.
2. aldural press quenching system as claimed in claim 1, is characterized in that: described holding furnace comprises body of heater, and described body of heater is provided with thermal insulation layer; Described body of heater inner chamber is provided with heating unit and temperature element; Described body of heater intracavity bottom is provided with for transmitting some cylinders of described aluminium alloy extrusions.
3. aldural press quenching system as claimed in claim 2, is characterized in that: on the described body of heater of the ingress of close described holding furnace, be provided with Access Door.
4. the aldural press quenching system as described in claim 1,2 or 3, it is characterized in that: described quenching device comprises some cooling spray pipes of arranging in the form of a ring, the setting party of some described cooling spray pipes is to consistent with the direction of motion of described aluminium alloy extrusions, and the spray orifice on some described cooling spray pipes is centripetal setting.
5. aldural press quenching system as claimed in claim 4, it is characterized in that: in the downstream of described quenching device, be also provided with for placing the cold bed of the aluminium alloy extrusions extruded product part after quenching, at the side of described cold bed, be provided with for the drawing machine to the tension leveling of described aluminium alloy extrusions extruded product part.
CN201420362999.XU 2014-07-02 2014-07-02 Aldural press quenching system Withdrawn - After Issue CN203938695U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104060059A (en) * 2014-07-02 2014-09-24 山东华建铝业集团有限公司 High-strength aluminum alloy online quenching system and online quenching technology
CN104878171A (en) * 2015-05-06 2015-09-02 柳州科尔特锻造机械有限公司 Online quenching process of online quenching system for high-strength aluminum-magnesium alloy
CN104878170A (en) * 2015-05-06 2015-09-02 柳州科尔特锻造机械有限公司 Online quenching process of online quenching system for high-strength aluminum-magnesium alloy
CN105441835A (en) * 2015-11-17 2016-03-30 佛山市三水凤铝铝业有限公司 Device and method for on-line quenching of high quenching sensitivity aluminum alloy extrusion material
CN105506243A (en) * 2016-01-05 2016-04-20 中冶东方工程技术有限公司 Online quenching system and process
CN105671465A (en) * 2016-04-08 2016-06-15 中色(天津)特种材料有限公司 On-line continuous quenching process and continuous quenching device for aluminum profile extrusion
CN109468557A (en) * 2019-01-11 2019-03-15 江苏兴甬铝业科技有限公司 High-strength aluminum alloy press quenching system and press quenching technique

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104060059A (en) * 2014-07-02 2014-09-24 山东华建铝业集团有限公司 High-strength aluminum alloy online quenching system and online quenching technology
CN104060059B (en) * 2014-07-02 2016-08-17 山东华建铝业集团有限公司 High-strength aluminum alloy press quenching system and press quenching technique
CN104878171A (en) * 2015-05-06 2015-09-02 柳州科尔特锻造机械有限公司 Online quenching process of online quenching system for high-strength aluminum-magnesium alloy
CN104878170A (en) * 2015-05-06 2015-09-02 柳州科尔特锻造机械有限公司 Online quenching process of online quenching system for high-strength aluminum-magnesium alloy
CN105441835A (en) * 2015-11-17 2016-03-30 佛山市三水凤铝铝业有限公司 Device and method for on-line quenching of high quenching sensitivity aluminum alloy extrusion material
CN105506243A (en) * 2016-01-05 2016-04-20 中冶东方工程技术有限公司 Online quenching system and process
CN105506243B (en) * 2016-01-05 2017-07-25 中冶东方工程技术有限公司 A kind of press quenching system and technique
CN105671465A (en) * 2016-04-08 2016-06-15 中色(天津)特种材料有限公司 On-line continuous quenching process and continuous quenching device for aluminum profile extrusion
CN109468557A (en) * 2019-01-11 2019-03-15 江苏兴甬铝业科技有限公司 High-strength aluminum alloy press quenching system and press quenching technique
CN109468557B (en) * 2019-01-11 2021-07-06 江苏兴甬铝业科技有限公司 High-strength aluminum alloy online quenching system and online quenching process

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