CN109207753A - A kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology - Google Patents
A kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology Download PDFInfo
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- CN109207753A CN109207753A CN201811183815.2A CN201811183815A CN109207753A CN 109207753 A CN109207753 A CN 109207753A CN 201811183815 A CN201811183815 A CN 201811183815A CN 109207753 A CN109207753 A CN 109207753A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—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 copper as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
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Abstract
The invention discloses a kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technologies, and specific step is as follows: S1: the ingredient of aluminium alloy: C:0.10~0.22% for the heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology；Zn:1.02~1.55%；Si:0.11~0.56%；Mn:1.50~2.52%；Mg0.02~0.11%；Cu:1.22~2.31% is other to be formed for Al and inevitable impurity；Aluminium block is put into drying oven and is pre-processed, just aluminium metallurgy water A is obtained；It obtains just refining aluminium alloy B；The dross that upper epidermis in smelting furnace a and b floats is scraped into emptying；Protective gas is injected, stirring rod is reused and is adequately stirred；Mixed melting liquid after being sufficiently mixed in S5 pours into extrusion molding in extrusion die, and the aluminium alloy extrusions after extrusion is made annealing treatment；Inside, outer layer aluminum profile uses anodic oxidation or electrostatic powder coating profile；Using laminator, pasting protective film, the invention have good heat insulation and good structural strength on the outer surface of aluminium alloy extrusions.
Description
Technical field
The invention belongs to technical field of aluminum alloy technology, more specifically more particularly to a kind of heat-insulating bridge-cut-off aluminum alloy doors and windows type
Material processing technology.
Background technique
When existing aluminium product, when being especially machined to aluminium bar, the aluminium bar that client corresponds to different size has different
It is required that needing to be added the demand that a variety of different ingredients are just able to satisfy client in the molten aluminum after aluminium melts；Therefore, have at present
The holding furnace kept the temperature when a kind of ingredient for molten aluminum can be kept the temperature, it is ensured that molten aluminum and ingredient can be filled in molten aluminum ingredient
Divide fusion.Product quality is influenced it cannot be guaranteed that aluminium alloy extrusions is quality using disposable annealing when annealing.Therefore, existing
The problem of some aluminium thermal insulation properties are undesirable and influence product quality.Therefore, a kind of heat-insulating bridge-cut-off aluminum alloy doors and windows type is invented
Material processing technology, it is necessary to solve the above problems.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of heat-insulating bridge-cut-off aluminium alloy proposed
Door-window section bar processing technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology, the heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology specifically walk
It is rapid as follows:
S1: the ingredient of aluminium alloy: the heat-insulating bridge-cut-off aluminium alloy extrusions ingredient is as follows: C:0.10~0.22%；Zn:1.02~
1.55%；Si:0.11~0.56%；Mn:1.50~2.52%；Mg0.02~0.11%；Other Cu:1.22~2.31% is Al
It is formed with inevitable impurity；
S2: aluminium block being put into drying oven and is pre-processed, to remove the moisture of aluminium block surface attachment, when shortening melting
Between, the aluminium block pre-processed is put into smelting furnace a just refining, obtains just aluminium metallurgy water A；
S3: putting into carbon block, spelter, silico briquette, manganese block, MAG block and copper billet in drying oven and pre-process, to remove carbon block,
Spelter, silico briquette, manganese block, MAG block and copper block surface attachment moisture, to shorten smelting time, by the carbon block pre-processed, spelter,
Silico briquette, manganese block, MAG block and copper billet are put into smelting furnace b just refining, obtain just refining aluminium alloy B；
S4: the dross that upper epidermis in smelting furnace a and b floats is scraped into emptying；
S5: first aluminium metallurgy water A obtained in step S2 being added in the smelting furnace b in step S3, smelting furnace b is sealed,
Protective gas is injected into smelting furnace b simultaneously, stirring rod is reused and is adequately stirred；
S6: the mixed melting liquid after being sufficiently mixed in S5 pours into extrusion molding in extrusion die, by the aluminium alloy type after extrusion
Material is made annealing treatment, and annealing is divided into the first annealing section, the second annealing section and third annealing section；Temperature be 220 DEG C -300 DEG C,
The time of annealing is 2-3h；
S7: aluminum alloy surface processing carries out pickling using push pull pickling line, removes the greasy dirt and oxygen of aluminium alloy section surface
Compound enables aluminum alloy to Surface of profile without color spot and hot spot, protective cover is provided on the outside of pull pickler, acid uses salt
Acid, the concentration of hydrochloric acid are the hydrochloric acid of mass fraction 32%, and pickling time is 30-55 seconds；
S8: inside, outer layer aluminum profile use anodic oxidation or electrostatic powder coating profile, by inside and outside layer aluminum profile using different
Color ingredient is connected by wearing a bridge cut-off, forms inside and outside Dual-color aluminum section bar door and window；
S9: using laminator, pasting protective film, main protection profile surface quality are being processed, are being removed on the outer surface of aluminium alloy extrusions
It is not damaged during fortune.
Preferably, release agent is coated on the inner surface of the extrusion die, temperature is 450- when the extrusion die squeezes out
550 DEG C, extrusion speed is 12~15m/min.
Preferably, the temperature of first annealing section, the second annealing section and the annealing of third annealing section is respectively 400 DEG C, 350
DEG C and 240 DEG C, first annealing section, the second annealing section and third annealing section annealing time be respectively 1-2h, 1-2h and
0.5-1h。
Preferably, the smelting furnace a and smelting furnace b using temperature instrumentation control temperature, temperature instrumentation answer periodic calibration and
Maintenance, thermocouple sheath answers being cleaned down with metallic brush for period, is coated with protective coating materials, with guarantee temperature-measuring results accuracy and
Prolong the service life.
Preferably, the smelting furnace a smelting temperature is 680 DEG C.
Preferably, the smelting furnace b smelting temperature is 1345 DEG C.
Preferably, the protective gas injected in the step S5 is nitrogen.
A kind of technical effect and advantage of the invention: heat-insulating bridge-cut-off aluminum alloy doors and windows shape extrusion work provided by the invention
Skill, compared with traditional technology, the present invention is by using S1: the ingredient of aluminium alloy: the heat-insulating bridge-cut-off aluminium alloy extrusions ingredient is as follows:
C:0.10~0.22%；Zn:1.02~1.55%；Si:0.11~0.56%；Mn:1.50~2.52%；Mg0.02~
0.11%；Cu:1.22~2.31% is other to be formed for Al and inevitable impurity；Aluminium block is put into drying oven and is located in advance
The aluminium block pre-processed is put into smelting furnace a by reason, the moisture to remove the attachment of aluminium block surface with shortening smelting time
Just refining obtains just aluminium metallurgy water A；Carbon block, spelter, silico briquette, manganese block, MAG block and copper billet are put into drying oven and are pre-processed,
It will be pre-processed to remove carbon block, spelter, silico briquette, manganese block, MAG block and the moisture of copper block surface attachment with shortening smelting time
Good carbon block, spelter, silico briquette, manganese block, MAG block and copper billet is put into smelting furnace b just refining, obtains just refining aluminium alloy B；By melting
The dross that upper epidermis floats in furnace a and b scrapes emptying；By just aluminium metallurgy water A is added to melting in step S3 obtained in step S2
In furnace b, smelting furnace b is sealed, while injecting protective gas into smelting furnace b, stirring rod is reused and carries out adequately
Stirring；Mixed melting liquid after being sufficiently mixed in S5 pours into extrusion molding in extrusion die, by the aluminium alloy extrusions after extrusion
It is made annealing treatment, annealing is divided into the first annealing section, the second annealing section and third annealing section；Temperature be 220 DEG C -300 DEG C, move back
The time of fire is 2-3h；Aluminum alloy surface processing carries out pickling using push pull pickling line, removes aluminium alloy section surface
Greasy dirt and oxide enable aluminum alloy to Surface of profile without color spot and hot spot, protective cover are provided on the outside of pull pickler,
Acid uses hydrochloric acid, and the concentration of hydrochloric acid is the hydrochloric acid of mass fraction 32%, and pickling time is 30-55 seconds；Inside, outer layer aluminum profile is adopted
With anodic oxidation or electrostatic powder coating profile, inside and outside layer aluminum profile is used into different colours ingredient, is connected by wearing a bridge cut-off
It connects, forms inside and outside Dual-color aluminum section bar door and window；Pasting protective film, main protection on the outer surface of aluminium alloy extrusions using laminator
Surface of profile quality not impaired technique in processing, handling process carries out the bridge-cut-off aluminium alloy tool of processing and fabricating completion
There are good heat insulation and good structural strength.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology, the heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology specifically walk
It is rapid as follows:
S1: the ingredient of aluminium alloy: the heat-insulating bridge-cut-off aluminium alloy extrusions ingredient is as follows: C:0.10%；Zn:1.02%；Si:
0.11%；Mn:1.50%；Mg0.02%；Cu:1.22% is other to be formed for Al and inevitable impurity；
S2: aluminium block being put into drying oven and is pre-processed, to remove the moisture of aluminium block surface attachment, when shortening melting
Between, the aluminium block pre-processed is put into smelting furnace a just refining, obtains just aluminium metallurgy water A；
S3: putting into carbon block, spelter, silico briquette, manganese block, MAG block and copper billet in drying oven and pre-process, to remove carbon block,
Spelter, silico briquette, manganese block, MAG block and copper block surface attachment moisture, to shorten smelting time, by the carbon block pre-processed, spelter,
Silico briquette, manganese block, MAG block and copper billet are put into smelting furnace b just refining, obtain just refining aluminium alloy B；
S4: the dross that upper epidermis in smelting furnace a and b floats is scraped into emptying；
S5: first aluminium metallurgy water A obtained in step S2 being added in the smelting furnace b in step S3, smelting furnace b is sealed,
Protective gas is injected into smelting furnace b simultaneously, stirring rod is reused and is adequately stirred；
S6: the mixed melting liquid after being sufficiently mixed in S5 pours into extrusion molding in extrusion die, by the aluminium alloy type after extrusion
Material is made annealing treatment, and annealing is divided into the first annealing section, the second annealing section and third annealing section；Temperature be 220 DEG C, annealing
Time is 2h；
S7: aluminum alloy surface processing carries out pickling using push pull pickling line, removes the greasy dirt and oxygen of aluminium alloy section surface
Compound enables aluminum alloy to Surface of profile without color spot and hot spot, protective cover is provided on the outside of pull pickler, acid uses salt
Acid, the concentration of hydrochloric acid are the hydrochloric acid of mass fraction 32%, and pickling time is 30 seconds；
S8: inside, outer layer aluminum profile use anodic oxidation or electrostatic powder coating profile, by inside and outside layer aluminum profile using different
Color ingredient is connected by wearing a bridge cut-off, forms inside and outside Dual-color aluminum section bar door and window；
S9: using laminator, pasting protective film, main protection profile surface quality are being processed, are being removed on the outer surface of aluminium alloy extrusions
It is not damaged during fortune.
Specifically, being coated with release agent on the inner surface of the extrusion die, temperature is 450 when the extrusion die squeezes out
DEG C, extrusion speed 12m/min.
Specifically, the temperature of first annealing section, the second annealing section and the annealing of third annealing section is respectively 400 DEG C, 350
DEG C and 240 DEG C, first annealing section, the second annealing section and third annealing section annealing time be respectively 1h, 1h and 0.5h.
Specifically, the smelting furnace a and smelting furnace b using temperature instrumentation control temperature, temperature instrumentation answer periodic calibration and
Maintenance, thermocouple sheath answers being cleaned down with metallic brush for period, is coated with protective coating materials, with guarantee temperature-measuring results accuracy and
Prolong the service life.
Specifically, the smelting furnace a smelting temperature is 680 DEG C.
Specifically, the smelting furnace b smelting temperature is 1345 DEG C.
Specifically, the protective gas injected in the step S5 is nitrogen.
Embodiment 2
A kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology, the heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology specifically walk
It is rapid as follows:
S1: the ingredient of aluminium alloy: the heat-insulating bridge-cut-off aluminium alloy extrusions ingredient is as follows: C:0.15%；Zn:1.22%；Si:
0.31%；Mn:2.01%；Mg0.06%；Cu:1.82% is other to be formed for Al and inevitable impurity；
S2: aluminium block being put into drying oven and is pre-processed, to remove the moisture of aluminium block surface attachment, when shortening melting
Between, the aluminium block pre-processed is put into smelting furnace a just refining, obtains just aluminium metallurgy water A；
S3: putting into carbon block, spelter, silico briquette, manganese block, MAG block and copper billet in drying oven and pre-process, to remove carbon block,
Spelter, silico briquette, manganese block, MAG block and copper block surface attachment moisture, to shorten smelting time, by the carbon block pre-processed, spelter,
Silico briquette, manganese block, MAG block and copper billet are put into smelting furnace b just refining, obtain just refining aluminium alloy B；
S4: the dross that upper epidermis in smelting furnace a and b floats is scraped into emptying；
S5: first aluminium metallurgy water A obtained in step S2 being added in the smelting furnace b in step S3, smelting furnace b is sealed,
Protective gas is injected into smelting furnace b simultaneously, stirring rod is reused and is adequately stirred；
S6: the mixed melting liquid after being sufficiently mixed in S5 pours into extrusion molding in extrusion die, by the aluminium alloy type after extrusion
Material is made annealing treatment, and annealing is divided into the first annealing section, the second annealing section and third annealing section；Temperature be 260 DEG C, annealing
Time is 2.5h；
S7: aluminum alloy surface processing carries out pickling using push pull pickling line, removes the greasy dirt and oxygen of aluminium alloy section surface
Compound enables aluminum alloy to Surface of profile without color spot and hot spot, protective cover is provided on the outside of pull pickler, acid uses salt
Acid, the concentration of hydrochloric acid are the hydrochloric acid of mass fraction 32%, and pickling time is 40 seconds；
S8: inside, outer layer aluminum profile use anodic oxidation or electrostatic powder coating profile, by inside and outside layer aluminum profile using different
Color ingredient is connected by wearing a bridge cut-off, forms inside and outside Dual-color aluminum section bar door and window；
S9: using laminator, pasting protective film, main protection profile surface quality are being processed, are being removed on the outer surface of aluminium alloy extrusions
It is not damaged during fortune.
Specifically, being coated with release agent on the inner surface of the extrusion die, temperature is 500 when the extrusion die squeezes out
DEG C, extrusion speed 13m/min.
Specifically, the temperature of first annealing section, the second annealing section and the annealing of third annealing section is respectively 400 DEG C, 350
DEG C and 240 DEG C, first annealing section, the second annealing section and third annealing section annealing time be respectively 1.5h, 1.5h and
0.5h。
Specifically, the smelting furnace a and smelting furnace b using temperature instrumentation control temperature, temperature instrumentation answer periodic calibration and
Maintenance, thermocouple sheath answers being cleaned down with metallic brush for period, is coated with protective coating materials, with guarantee temperature-measuring results accuracy and
Prolong the service life.
Specifically, the smelting furnace a smelting temperature is 680 DEG C.
Specifically, the smelting furnace b smelting temperature is 1345 DEG C.
Specifically, the protective gas injected in the step S5 is nitrogen.
Embodiment 3
A kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology, the heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology specifically walk
It is rapid as follows:
S1: the ingredient of aluminium alloy: the heat-insulating bridge-cut-off aluminium alloy extrusions ingredient is as follows: C:0.22%；Zn:1.55%；Si:
0.56%；Mn:2.52%；Mg0.11%；Cu:2.31% is other to be formed for Al and inevitable impurity；
S2: aluminium block being put into drying oven and is pre-processed, to remove the moisture of aluminium block surface attachment, when shortening melting
Between, the aluminium block pre-processed is put into smelting furnace a just refining, obtains just aluminium metallurgy water A；
S3: putting into carbon block, spelter, silico briquette, manganese block, MAG block and copper billet in drying oven and pre-process, to remove carbon block,
Spelter, silico briquette, manganese block, MAG block and copper block surface attachment moisture, to shorten smelting time, by the carbon block pre-processed, spelter,
Silico briquette, manganese block, MAG block and copper billet are put into smelting furnace b just refining, obtain just refining aluminium alloy B；
S4: the dross that upper epidermis in smelting furnace a and b floats is scraped into emptying；
S5: first aluminium metallurgy water A obtained in step S2 being added in the smelting furnace b in step S3, smelting furnace b is sealed,
Protective gas is injected into smelting furnace b simultaneously, stirring rod is reused and is adequately stirred；
S6: the mixed melting liquid after being sufficiently mixed in S5 pours into extrusion molding in extrusion die, by the aluminium alloy type after extrusion
Material is made annealing treatment, and annealing is divided into the first annealing section, the second annealing section and third annealing section；Temperature be 300 DEG C, annealing
Time is 3h；
S7: aluminum alloy surface processing carries out pickling using push pull pickling line, removes the greasy dirt and oxygen of aluminium alloy section surface
Compound enables aluminum alloy to Surface of profile without color spot and hot spot, protective cover is provided on the outside of pull pickler, acid uses salt
Acid, the concentration of hydrochloric acid are the hydrochloric acid of mass fraction 32%, and pickling time is 55 seconds；
S8: inside, outer layer aluminum profile use anodic oxidation or electrostatic powder coating profile, by inside and outside layer aluminum profile using different
Color ingredient is connected by wearing a bridge cut-off, forms inside and outside Dual-color aluminum section bar door and window；
S9: using laminator, pasting protective film, main protection profile surface quality are being processed, are being removed on the outer surface of aluminium alloy extrusions
It is not damaged during fortune.
Specifically, being coated with release agent on the inner surface of the extrusion die, temperature is 550 when the extrusion die squeezes out
DEG C, extrusion speed 15m/min.
Specifically, the temperature of first annealing section, the second annealing section and the annealing of third annealing section is respectively 400 DEG C, 350
DEG C and 240 DEG C, first annealing section, the second annealing section and third annealing section annealing time be respectively 2h, 2h and 1h.
Specifically, the smelting furnace a and smelting furnace b using temperature instrumentation control temperature, temperature instrumentation answer periodic calibration and
Maintenance, thermocouple sheath answers being cleaned down with metallic brush for period, is coated with protective coating materials, with guarantee temperature-measuring results accuracy and
Prolong the service life.
Specifically, the smelting furnace a smelting temperature is 680 DEG C.
Specifically, the smelting furnace b smelting temperature is 1345 DEG C.
Specifically, the protective gas injected in the step S5 is nitrogen.
The present invention is by using S1: the ingredient of aluminium alloy: the heat-insulating bridge-cut-off aluminium alloy extrusions ingredient is as follows: C:0.10~
0.22%；Zn:1.02~1.55%；Si:0.11~0.56%；Mn:1.50~2.52%；Mg0.02~0.11%；Cu:1.22
~2.31% is other for Al and inevitable impurity composition；Aluminium block is put into drying oven and is pre-processed, to remove aluminium
The aluminium block pre-processed is put into smelting furnace a just refining, obtains just refining by the moisture of block surface attachment to shorten smelting time
Aluminum water A；Carbon block, spelter, silico briquette, manganese block, MAG block and copper billet are put into drying oven and are pre-processed, to remove carbon block,
Spelter, silico briquette, manganese block, MAG block and copper block surface attachment moisture, to shorten smelting time, by the carbon block pre-processed, spelter,
Silico briquette, manganese block, MAG block and copper billet are put into smelting furnace b just refining, obtain just refining aluminium alloy B；By upper epidermis in smelting furnace a and b
The dross of floating scrapes emptying；First aluminium metallurgy water A obtained in step S2 is added in the smelting furnace b in step S3, by melting
Furnace b is sealed, while injecting protective gas into smelting furnace b, is reused stirring rod and is adequately stirred；It will be abundant in S5
Mixed mixed melting liquid pours into extrusion molding in extrusion die, and the aluminium alloy extrusions after extrusion is made annealing treatment, is moved back
Fire is divided into the first annealing section, the second annealing section and third annealing section；Temperature be 220 DEG C -300 DEG C, time of annealing is 2-3h；
Aluminum alloy surface processing carries out pickling using push pull pickling line, removes the greasy dirt and oxide of aluminium alloy section surface, make
Aluminium alloy section surface is provided with protective cover without color spot and hot spot on the outside of pull pickler, and acid uses hydrochloric acid, hydrochloric acid
Concentration be mass fraction 32% hydrochloric acid, pickling time be 30-55 seconds；Inside, outer layer aluminum profile uses anodic oxidation or quiet
Inside and outside layer aluminum profile is used different colours ingredient by electro-powder spraying profile, is connected, is formed inside and outside double-colored by wearing a bridge cut-off
Aluminum profile door and window；Using laminator, pasting protective film, main protection profile surface quality are adding on the outer surface of aluminium alloy extrusions
The bridge-cut-off aluminium alloy that not impaired technique carries out processing and fabricating completion in work, handling process has good heat insulation
With good structural strength, reach effect of heat preservation, energy conservation.
Carrying out detection to profile in embodiment 3, test result is as follows:
Profile meets national standard, the compression strength of profile with a thickness of 1.42mm for 85.5N/mm2, by the door and window type of 1*1*1 size
Material is mounted on the detection in 45 DEG C of confined spaces to heat insulation, and confined space temperature declines 5 DEG C after 1h, and heat insulation is good.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology, it is characterised in that: the heat-insulating bridge-cut-off aluminium alloy door window profile
Specific step is as follows for processing technology:
S1: the ingredient of aluminium alloy: the heat-insulating bridge-cut-off aluminium alloy extrusions ingredient is as follows: C:0.10~0.22%；Zn:1.02~
1.55%；Si:0.11~0.56%；Mn:1.50~2.52%；Mg0.02~0.11%；Other Cu:1.22~2.31% is Al
It is formed with inevitable impurity；
S2: aluminium block being put into drying oven and is pre-processed, to remove the moisture of aluminium block surface attachment, when shortening melting
Between, the aluminium block pre-processed is put into smelting furnace a just refining, obtains just aluminium metallurgy water A；
S3: putting into carbon block, spelter, silico briquette, manganese block, MAG block and copper billet in drying oven and pre-process, to remove carbon block,
Spelter, silico briquette, manganese block, MAG block and copper block surface attachment moisture, to shorten smelting time, by the carbon block pre-processed, spelter,
Silico briquette, manganese block, MAG block and copper billet are put into smelting furnace b just refining, obtain just refining aluminium alloy B；
S4: the dross that upper epidermis in smelting furnace a and b floats is scraped into emptying；
S5: first aluminium metallurgy water A obtained in step S2 being added in the smelting furnace b in step S3, smelting furnace b is sealed,
Protective gas is injected into smelting furnace b simultaneously, stirring rod is reused and is adequately stirred；
S6: the mixed melting liquid after being sufficiently mixed in S5 pours into extrusion molding in extrusion die, by the aluminium alloy type after extrusion
Material is made annealing treatment, and annealing is divided into the first annealing section, the second annealing section and third annealing section；Temperature be 220 DEG C -300 DEG C,
The time of annealing is 2-3h；
S7: aluminum alloy surface processing carries out pickling using push pull pickling line, removes the greasy dirt and oxygen of aluminium alloy section surface
Compound enables aluminum alloy to Surface of profile without color spot and hot spot, protective cover is provided on the outside of pull pickler, acid uses salt
Acid, the concentration of hydrochloric acid are the hydrochloric acid of mass fraction 32%, and pickling time is 30-55 seconds；
S8: inside, outer layer aluminum profile use anodic oxidation or electrostatic powder coating profile, by inside and outside layer aluminum profile using different
Color ingredient is connected by wearing a bridge cut-off, forms inside and outside Dual-color aluminum section bar door and window；
S9: using laminator, pasting protective film, main protection profile surface quality are being processed, are being removed on the outer surface of aluminium alloy extrusions
It is not damaged during fortune.
2. a kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology according to claim 1, it is characterised in that: described to squeeze
It is coated with release agent on the inner surface of compression mould, temperature is 450-550 DEG C when the extrusion die squeezes out, extrusion speed is 12~
15m/min。
3. a kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology according to claim 1, it is characterised in that: described
The temperature of one annealing section, the second annealing section and the annealing of third annealing section is respectively 400 DEG C, 350 DEG C and 240 DEG C, and described first moves back
The time of fiery section, the second annealing section and the annealing of third annealing section is respectively 1-2h, 1-2h and 0.5-1h.
4. a kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology according to claim 1, it is characterised in that: described molten
Furnace a and smelting furnace b controls temperature using temperature instrumentation, and temperature instrumentation answers periodic calibration and maintenance, and thermocouple sheath answers the period
Cleaned down with metallic brush, protective coating materials are coated with, to guarantee the accuracy of temperature-measuring results and prolong the service life.
5. a kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology according to claim 1, it is characterised in that: described molten
Furnace a smelting temperature is 680 DEG C.
6. a kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology according to claim 1, it is characterised in that: described molten
Furnace b smelting temperature is 1345 DEG C.
7. a kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology according to claim 1, it is characterised in that: the step
The protective gas injected in rapid S5 is nitrogen.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095027A (en) * | 2020-09-18 | 2020-12-18 | 陈虾二 | Processing technology of heat-insulation bridge-cut-off aluminum alloy door and window profile |
| CN114570908A (en) * | 2022-01-11 | 2022-06-03 | 福建祥鑫股份有限公司 | Guide rail section bar die design and section bar hot extrusion processing method and processing device |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095027A (en) * | 2020-09-18 | 2020-12-18 | 陈虾二 | Processing technology of heat-insulation bridge-cut-off aluminum alloy door and window profile |
| CN114570908A (en) * | 2022-01-11 | 2022-06-03 | 福建祥鑫股份有限公司 | Guide rail section bar die design and section bar hot extrusion processing method and processing device |
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