CN107881355B - Processing technology for aluminum alloy for squeezing bar - Google Patents
Processing technology for aluminum alloy for squeezing bar Download PDFInfo
- Publication number
- CN107881355B CN107881355B CN201711094561.2A CN201711094561A CN107881355B CN 107881355 B CN107881355 B CN 107881355B CN 201711094561 A CN201711094561 A CN 201711094561A CN 107881355 B CN107881355 B CN 107881355B
- Authority
- CN
- China
- Prior art keywords
- aluminium
- connect
- several
- aluminum
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- 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
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
Abstract
The present invention discloses a kind of processing technology for aluminum alloy for squeezing bar, it is characterised in that: the aluminum alloy for squeezing bar consists of the following mass percentage components: silicon, iron, copper, remaining be aluminium；It is surface-treated to by aluminium alloy rod by an anti-oxidation coating unit, this anti-oxidation coating unit includes bottom plate, cross line case, fuel tank, high-pressure gasified device and several nozzles, the line case excessively is fixedly installed in plate upper surface by several supports, the fuel tank was movably set to immediately below line case, the oil pocket other end is connect with oil strainer, the water filter is connect with oil pocket side, the oil strainer is connect by the hose with fuel tank, for accessing compressed air, the fuel feeding portion is connect with the hose, this several wire-crossing wheel is rotatably set in several installation axles respectively.The present invention produces tensile strength, conductivity and meets the aluminium alloy rod of extruding by the control to techniques such as melting, refining, casting, rollings, and avoids the abrasion and injury to conducting wire, guarantees the quality of wire product.
Description
Technical field
The present invention relates to aluminum alloy for squeezing materials, and in particular to a kind of processing technology for aluminum alloy for squeezing bar.
Background technique
Aluminum alloy materials gradually apply to every field, and in recent years because aluminum resources are rich in minerals, aluminium alloy conductor is led
Line market occupancy volume is gradually increased.Copper conductor industry years development basis place mat simultaneously, domestic large size overhead conductor production system
It makes technology gradually to tend to be perfect, domestic more power plate line cable industry products exports occupy international market as a kind of trend.
The aluminium alloy conductor conductor share for especially exporting Southeast Asia increases year by year.But it is limited by nude aluminium product nigrescence easy to oxidize, especially
Its quality and quality for exporting aluminium alloy conductor product during long-distance marine transportation are influenced by sea-water salt is big, big face occur
Product corrosion, while conductive surface oxidation occur and whitening and influence service performance, great difficulty is brought to stable product quality.Such as
Fruit solves above-mentioned technical problem, becomes the direction of those skilled in the art's effort.
Summary of the invention
The object of the present invention is to provide the use that a kind of processing technology for aluminum alloy for squeezing bar, the processing technology obtain
Improve the quality of aluminium base in aluminum alloy for squeezing bar, rationally design and select aluminium intermediate alloy, by melting, refining, cast, roll
The control of the techniques such as system, produces the aluminium alloy rod that tensile strength, conductivity all meet extruding, and shape of the oxygen carburetion to be atomized
Formula sprays, and even suspension in and be full of line case, to form uniform antioxidation coating in the conductive line surfaces for passing through line case,
The abrasion and injury to conducting wire are avoided, guarantees the quality of wire product.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of processing work for aluminum alloy for squeezing bar
Skill, the aluminum alloy for squeezing bar consist of the following mass percentage components: silicon 0.03 ~ 0.08%, iron 0.1 ~ 0.2%, copper
0.005 ~ 0.1%, remaining is aluminium；The following steps are included:
The fine aluminium of Al99.70, alfer, alusil alloy, aluminium copper are put into aluminium melting furnace melting by step 1, control furnace
Interior temperature of aluminum liquid≤760 DEG C；
Step 2, molten aluminum constituent analysis: by melted molten aluminum metaideophone to holding furnace, sampling direct-reading light after mixing evenly
Spectrometer is quickly analyzed, and the content of Al, Si, Fe and Cu in solution are detected；
Step 3, Alloying Treatment: according to step 2 spectral test as a result, determine aluminium silicon, ferro-aluminum, aluminum bronze intermediate alloy plus
Enter amount and be added, control heat preserving furnace aluminum liquid temperature at 740 ± 10 DEG C, corresponding aluminium silicon intermediate alloy is added, ferro-aluminum centre is closed
Gold or aluminum bronze intermediate alloy, it is artificial and electromagnetic agitation 30 minutes, make Al >=98.70wt%, Si:0.03-0.08wt%, Fe:
0.1-0.2wt%, Cu:0.005-0.10 wt%；
Step 4 after completing step 3, makees carrier with 99.999% high pure nitrogen when temperature of aluminum liquid reaches 750 ± 10 DEG C,
Efficient injection refining agent is passed through in holding furnace in melt and is refined, reaches the purified treatments such as molten aluminum degasification, removal of impurities, when refining
The pressure of speed and nitrogen that control refining agent is blown into makes refining time control at 45 minutes or more；
Step 5 cleans out the aluminium slag floated on molten aluminum surface；
Step 6, composition adjustment: the molten aluminum for completing step 5 is stood 30 ~ 40 minutes in holding furnace, is then sampled
Analysis, constituent content are adjusted when deviateing, and confirmation molten aluminum is at being grouped as are as follows: Al >=98.70wt%, Si:0.03-0.08wt%,
Fe:0.1-0.2wt%, Cu:0.005-0.10 wt%；
Step 7, when temperature of aluminum liquid reaches 740 ± 10 DEG C, molten aluminum from holding furnace come out through flow-conveying groove enter online degasification
Device and filter device carry out external refining, and degasification removes the gred again, and when slagging-off need to select slagging-off instrument to carry out；
Step 8, step 7 is refined again after clean molten aluminum carry out continuous casting, cast temperature control in 675-695
DEG C, casting is carried out using horizontal casting mode and obtains slab, speed, the cooling water pressure of crystallizing wheel is controlled, makes to go out from crystallizing wheel
The slab temperature come on access bridge is 530 ~ 570 DEG C；
Step 9 is straightened the slab, controls the slab temperature into before rolling and is maintained at 530-560 DEG C, the operation of rolling is adopted
Roll and aluminium bar are lubricated and are cooled down with emulsion, emulsion pressure and flow is adjusted, makes the finish to gauge temperature of extruding aluminium bar
≤ 300 DEG C of degree；
Step 10, the extruding pass through a die cavity module with aluminium bar, this die cavity module is provided with several wine along its circumferential direction
Smart cooling body and blower mechanism, several alcohol cooling bodies and blower mechanism use interval type configuration, alcohol cooling body
Alcohol is sprayed to aluminium bar, processing is blowed to aluminium bar in blower mechanism；
Step 11, natural cooling: extruding obtained by step 10 is placed on place with aluminium bar and carries out natural cooling processing acquisition
Aluminium alloy rod；
Step 12 is surface-treated the aluminium alloy rod Jing Guo step 11 by an anti-oxidation coating unit, this oxygen
Change coating unit to include bottom plate, cross line case, fuel tank, high-pressure gasified device and several nozzles, the line case of crossing passes through several supports
Be fixedly installed in plate upper surface, the fuel tank was movably set to immediately below line case, the fuel tank by a hose with
High-pressure gasified device connection, high-pressure gasified device are connect with several nozzles respectively by hose, and several nozzles were installed on
On line case；
The high-pressure gasified device by cylinder block, piston rod, oil pocket, oil strainer and water filter connect combination and
At, in piston rod one end insertion cylinder block and the compressed air that moves reciprocatingly, described oil pocket one end are connect with piston rod,
The oil pocket other end is connect with oil strainer, and the water filter is connect with oil pocket side, and the oil strainer passes through the hose
It is connect with fuel tank, the water filter is connect by hose with the nozzle；
The nozzle further comprises jettron portion, fuel feeding portion and showerhead, and the jettron portion and fuel feeding portion connect
It connects, for controlling fuel feeding portion oil circuit on-off, the fuel feeding portion is connected with showerhead by a threaded joint, the jettron portion
Side surface is connect with a tracheae, and for accessing compressed air, the fuel feeding portion is connect with the hose, the jettron portion by
The piston rod of small cylinder, spool and seal chamber composition, the spool top and small cylinder connects, and spool lower part is set to close
Seal intracavitary, the showerhead is made of connector, switching knob and spray core, and the connector is connect with fuel feeding portion, the switching knob
Out of side insertion connector, the spray core upper end is embedded in connector lower surface for one end；
Described cross is provided with several wire-crossing wheels for being used to support transmission product conducting wire in line case, this several wire-crossing wheel respectively can
Rotation is set in several installation axles, and several installation axles are solid by the adjusting bracket for being set to line case inner surface
It is fixed, be provided with several grooves for installation axle clamping in the adjusting bracket, this several groove be arranged from bottom to top along an oblique line and
Two neighboring groove height difference is identical.
Further improved scheme is as follows in above-mentioned technical proposal:
1. in above scheme, the number of several wire-crossing wheels is 3.
2. in above scheme, temperature of aluminum liquid≤760 DEG C in furnace are controlled in the step 1.
3. in above scheme, the adjusting bracket was symmetrically disposed on line case two sides.
4. in above scheme, the adjusting bracket is welded and fixed with line case inner surface is crossed.
5. in above scheme, the two neighboring groove height difference is 10~30mm.
6. stirring in above scheme, in the step 3 is specifically people's work and electromagnetic agitation 30 minutes.
7. in above scheme, nitrogen gas purity is 99.999% in the step 4.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
1. the present invention is used for the processing technology of aluminum alloy for squeezing bar, fuel tank passes through a hose and high-pressure gasified device
Connection, high-pressure gasified device are connect with several nozzles respectively by hose, and several nozzles were installed on line case, high pressure gas
The setting with nozzle is set in makeup, so that the oxygen carburetion of liquid is become thick fog by high pressure by nozzle, by oxygen carburetion to be atomized
Form spray, and even suspension in and be full of line case, to form uniform oxygen in the conductive line surfaces for passing through line case
Change layer.
2. the present invention is used for the processing technology of aluminum alloy for squeezing bar, high-pressure gasified device is by cylinder block, piston
Bar, oil pocket, oil strainer are connected with water filter and are composed, and in piston rod one end insertion cylinder block and do reciprocal fortune
Dynamic compressed air, described oil pocket one end are connect with piston rod, and the oil pocket other end is connect with oil strainer, the water filter and oil
The connection of chamber side, the oil strainer are connect by the hose with fuel tank, and the water filter passes through hose and the nozzle
Connection, the setting of oil strainer can remove the impurity and aluminium powder in oxygen carburetion, guarantee coating quality, aluminium powder is avoided to accumulate
Stopped nozzles；The setting of water filter then can avoid steam to conducting wire quality for outside the steam discharge system in compressed air
Adverse effect is generated with coating quality.
3. the present invention is used for the processing technology of aluminum alloy for squeezing bar, crosses in line case to be provided with and several be used to support biography
The wire-crossing wheel of product conducting wire is sent, this several wire-crossing wheel is rotatably set in several installation axles respectively, several installation axles
Adjusting bracket by being set to line case inner surface is fixed, and is provided in the adjusting bracket several for the recessed of installation axle clamping
Slot, this several groove is arranged from bottom to top along an oblique line and two neighboring groove height difference is identical, the setting of wire-crossing wheel, to process
Conducting wire plays the role of support, guarantee conducting wire it is automatic continuous by crossing line case, allow the oxygen carburetion uniformly company of being coated in
Continue forward Round wires surface；The setting of adjusting bracket can be finely adjusted the height of wire-crossing wheel, to adapt to different size
The product of size makes equipment have versatility, improves working efficiency；The setting of nylon wire-crossing wheel is played the role of protecting conducting wire,
The abrasion and injury to conducting wire are avoided, guarantees the quality of wire product.
4. the present invention is used for the processing technology of aluminum alloy for squeezing bar, extruding passes through a die cavity module, this mould with aluminium bar
Cavity mold block is provided with several alcohol cooling bodies and blower mechanism along its circumferential direction, several alcohol cooling bodies and blower mechanism
Using interval type configuration, alcohol cooling body sprays alcohol to aluminium bar, and processing is blowed to aluminium bar in blower mechanism, and aluminium bar is used in extruding
Die cavity formula cleaning device, alcohol cooling device and blowing device use interval type configuration, convenient for the cleaning comprehensive to aluminium bar,
And the surface of its processing, it can be widely used for the following process for squeezing aluminium bar.
Detailed description of the invention
Attached drawing 1 be aluminium alloy rod of the present invention processing technology based on anti-oxidation coating unit structural schematic diagram；
Attached drawing 2 be processing technology of the present invention based on anti-oxidation coating unit partial structural diagram；
Attached drawing 3 be processing technology of the present invention based on anti-oxidation coating unit nozzle arrangements schematic diagram；
Attached drawing 4 be processing technology of the present invention based on anti-oxidation coating unit partial top view；
Attached drawing 5 be processing technology of the present invention based on die cavity modular structure schematic diagram.
In the figures above: 1, bottom plate；2, line case is crossed；3, fuel tank；4, high-pressure gasified device；5, nozzle；6, support；7, soft
Pipe；12, wire-crossing wheel；13, installation axle；14, adjusting bracket；15, groove；16, cylinder block；17, piston rod；18, oil pocket；19,
Oil strainer；20, water filter；21, jettron portion；22, fuel feeding portion；23, showerhead；24, threaded joint；25, small-sized gas
Cylinder；26, spool；27, seal chamber；28, connector；29, switching knob；30, spray core；31, die cavity module；32, alcohol cooling body；
33, blower mechanism.
Specific embodiment
Embodiment 1: a kind of processing technology for aluminum alloy for squeezing bar, the aluminum alloy for squeezing bar is by following quality
The group of percentage is grouped as: silicon 0.03 ~ 0.08%, iron 0.1 ~ 0.2%, copper 0.005 ~ 0.1%, remaining be aluminium；The following steps are included:
The fine aluminium of Al99.70, alfer, alusil alloy, aluminium copper are put into aluminium melting furnace melting by step 1；
Step 2, molten aluminum constituent analysis: by melted molten aluminum metaideophone to holding furnace, sampling direct-reading light after mixing evenly
Spectrometer is quickly analyzed, and the content of Al, Si, Fe and Cu in solution are detected；
Step 3, Alloying Treatment: according to step 2 spectral test as a result, determine aluminium silicon, ferro-aluminum, aluminum bronze intermediate alloy plus
Enter amount and be added, control heat preserving furnace aluminum liquid temperature at 740 ± 10 DEG C, corresponding aluminium silicon intermediate alloy is added, ferro-aluminum centre is closed
Gold or aluminum bronze intermediate alloy, and stir, make Al >=98.70wt%, Si:0.03-0.08wt%, Fe:0.1-0.2wt%, Cu:
0.005-0.10 wt%；
Step 4 after completing step 3, makees carrier with nitrogen when temperature of aluminum liquid reaches 750 ± 10 DEG C, by essence of efficiently dusting
Refining agent is passed through in holding furnace and is refined in melt, reaches the purified treatments such as molten aluminum degasification, removal of impurities, and when refining controls refining agent and blows
The pressure of the speed and nitrogen that enter makes refining time control at 45 minutes or more；
Step 5 cleans out the aluminium slag floated on molten aluminum surface；
Step 6, composition adjustment: the molten aluminum for completing step 5 is stood 30 ~ 40 minutes in holding furnace, is then sampled
Analysis, constituent content are adjusted when deviateing, and confirmation molten aluminum is at being grouped as are as follows: Al >=98.70wt%, Si:0.03-0.08wt%,
Fe:0.1-0.2wt%, Cu:0.005-0.10 wt%；
Step 7, when temperature of aluminum liquid reaches 740 ± 10 DEG C, molten aluminum from holding furnace come out through flow-conveying groove enter online degasification
Device and filter device carry out external refining, and degasification removes the gred again, and when slagging-off need to select slagging-off instrument to carry out；
Step 8, step 7 is refined again after clean molten aluminum carry out continuous casting, cast temperature control in 675-695
DEG C, casting is carried out using horizontal casting mode and obtains slab, speed, the cooling water pressure of crystallizing wheel is controlled, makes to go out from crystallizing wheel
The slab temperature come on access bridge is 530 ~ 570 DEG C；
Step 9 is straightened the slab, controls the slab temperature into before rolling and is maintained at 530-560 DEG C, the operation of rolling is adopted
Roll and aluminium bar are lubricated and are cooled down with emulsion, emulsion pressure and flow is adjusted, makes the finish to gauge temperature of extruding aluminium bar
≤ 300 DEG C of degree；
Step 10, the extruding pass through a die cavity module with aluminium bar, this die cavity module is provided with several wine along its circumferential direction
Smart cooling body and blower mechanism, several alcohol cooling bodies and blower mechanism use interval type configuration, alcohol cooling body
Alcohol is sprayed to aluminium bar, processing is blowed to aluminium bar in blower mechanism；
Step 11, natural cooling: extruding obtained by step 10 is placed on place with aluminium bar and carries out natural cooling processing acquisition
Aluminium alloy rod；
Step 12 is surface-treated the aluminium alloy rod Jing Guo step 11 by an anti-oxidation coating unit, this oxygen
Change coating unit to include bottom plate 1, cross line case 2, fuel tank 3, high-pressure gasified device 4 and several nozzles 5, if the line case 2 of crossing passes through
Heavenly Stems and Earthly Branches seat 6 is fixedly installed in 1 upper surface of bottom plate, and the fuel tank 3 was movably set to immediately below line case 2, and the fuel tank 3 is logical
It crosses a hose 7 to connect with high-pressure gasified device 4, high-pressure gasified device 4 is connect with several nozzles 5 respectively by hose 7, if described
Dry nozzle 5 was installed on line case 2；
The high-pressure gasified device 4 is by cylinder block 16, piston rod 17, oil pocket 18, oil strainer 19 and water filter 20
Connection is composed, and described 17 one end of piston rod is embedded in cylinder block 16 and the compressed air that moves reciprocatingly, the oil pocket 18
One end is connect with piston rod 17, and 18 other end of oil pocket is connect with oil strainer 19, and the water filter 20 connects with 18 side of oil pocket
It connects, the oil strainer 19 is connect by the hose 7 with fuel tank 3, and the water filter 20 passes through hose 7 and the nozzle 5
Connection；
The nozzle 5 further comprises jettron portion 21, fuel feeding portion 22 and showerhead 23, the jettron portion 21 with
Fuel feeding portion 22 connects, and for controlling 22 oil circuit on-off of fuel feeding portion, the fuel feeding portion 22 and showerhead 23 pass through a threaded joint 24
Connection, 21 side surface of jettron portion connect with a tracheae, for accessing compressed air, the fuel feeding portion 22 with it is described soft
Pipe 7 connects, and the jettron portion 21 is made of small cylinder 25, spool 26 and seal chamber 27,26 top of spool with it is small
The piston rod of type cylinder 25 connects, and 26 lower part of spool is set in seal chamber 27, and the showerhead 23 is by connector 28, switching knob
29 and spray core 30 form, the connector 28 connect with fuel feeding portion 22, and described 29 one end of switching knob is embedded in connector 28 from side,
30 upper end of spray core is embedded in 28 lower surface of connector；
Described cross is provided with several wire-crossing wheels 12 for being used to support transmission product conducting wire, this several wire-crossing wheel 12 in line case 2
It is rotatably set in several installation axles 13 respectively, several installation axles 13 were by being set to 2 inner surface of line case
Adjusting bracket 14 is fixed, and several grooves 15 being clamped for installation axle 13 are provided in the adjusting bracket 14, this several groove 15 is certainly
It is arranged on down along an oblique line and 15 height difference of two neighboring groove is identical.
The number of above-mentioned several wire-crossing wheels 12 is 3；The material of above-mentioned wire-crossing wheel 12 is nylon；Above-mentioned adjusting bracket 14 is right
Title was set to 2 two sides of line case.
Embodiment 2: a kind of processing technology for aluminum alloy for squeezing bar, the aluminum alloy for squeezing bar is by following quality
The group of percentage is grouped as: silicon 0.03 ~ 0.08%, iron 0.1 ~ 0.2%, copper 0.005 ~ 0.1%, remaining be aluminium；The following steps are included:
The fine aluminium of Al99.70, alfer, alusil alloy, aluminium copper are put into aluminium melting furnace melting by step 1；
Step 2, molten aluminum constituent analysis: by melted molten aluminum metaideophone to holding furnace, sampling direct-reading light after mixing evenly
Spectrometer is quickly analyzed, and the content of Al, Si, Fe and Cu in solution are detected；
Step 3, Alloying Treatment: according to step 2 spectral test as a result, determine aluminium silicon, ferro-aluminum, aluminum bronze intermediate alloy plus
Enter amount and be added, control heat preserving furnace aluminum liquid temperature at 740 ± 10 DEG C, corresponding aluminium silicon intermediate alloy is added, ferro-aluminum centre is closed
Gold or aluminum bronze intermediate alloy, and stir, make Al >=98.70wt%, Si:0.03-0.08wt%, Fe:0.1-0.2wt%, Cu:
0.005-0.10 wt%；
Step 4 after completing step 3, makees carrier with nitrogen when temperature of aluminum liquid reaches 750 ± 10 DEG C, by essence of efficiently dusting
Refining agent is passed through in holding furnace and is refined in melt, reaches the purified treatments such as molten aluminum degasification, removal of impurities, and when refining controls refining agent and blows
The pressure of the speed and nitrogen that enter makes refining time control at 45 minutes or more；
Step 5 cleans out the aluminium slag floated on molten aluminum surface；
Step 6, composition adjustment: the molten aluminum for completing step 5 is stood 30 ~ 40 minutes in holding furnace, is then sampled
Analysis, constituent content are adjusted when deviateing, and confirmation molten aluminum is at being grouped as are as follows: Al >=98.70wt%, Si:0.03-0.08wt%,
Fe:0.1-0.2wt%, Cu:0.005-0.10 wt%；
Step 7, when temperature of aluminum liquid reaches 740 ± 10 DEG C, molten aluminum from holding furnace come out through flow-conveying groove enter online degasification
Device and filter device carry out external refining, and degasification removes the gred again, and when slagging-off need to select slagging-off instrument to carry out；
Step 8, step 7 is refined again after clean molten aluminum carry out continuous casting, cast temperature control in 675-695
DEG C, casting is carried out using horizontal casting mode and obtains slab, speed, the cooling water pressure of crystallizing wheel is controlled, makes to go out from crystallizing wheel
The slab temperature come on access bridge is 530 ~ 570 DEG C；
Step 9 is straightened the slab, controls the slab temperature into before rolling and is maintained at 530-560 DEG C, the operation of rolling is adopted
Roll and aluminium bar are lubricated and are cooled down with emulsion, emulsion pressure and flow is adjusted, makes the finish to gauge temperature of extruding aluminium bar
≤ 300 DEG C of degree；
Step 10, the extruding pass through a die cavity module with aluminium bar, this die cavity module is provided with several wine along its circumferential direction
Smart cooling body and blower mechanism, several alcohol cooling bodies and blower mechanism use interval type configuration, alcohol cooling body
Alcohol is sprayed to aluminium bar, processing is blowed to aluminium bar in blower mechanism；
Step 11, natural cooling: extruding obtained by step 10 is placed on place with aluminium bar and carries out natural cooling processing acquisition
Aluminium alloy rod；
Step 12 is surface-treated the aluminium alloy rod Jing Guo step 11 by an anti-oxidation coating unit, this oxygen
Change coating unit to include bottom plate 1, cross line case 2, fuel tank 3, high-pressure gasified device 4 and several nozzles 5, if the line case 2 of crossing passes through
Heavenly Stems and Earthly Branches seat 6 is fixedly installed in 1 upper surface of bottom plate, and the fuel tank 3 was movably set to immediately below line case 2, and the fuel tank 3 is logical
It crosses a hose 7 to connect with high-pressure gasified device 4, high-pressure gasified device 4 is connect with several nozzles 5 respectively by hose 7, if described
Dry nozzle 5 was installed on line case 2；
The high-pressure gasified device 4 is by cylinder block 16, piston rod 17, oil pocket 18, oil strainer 19 and water filter 20
Connection is composed, and described 17 one end of piston rod is embedded in cylinder block 16 and the compressed air that moves reciprocatingly, the oil pocket 18
One end is connect with piston rod 17, and 18 other end of oil pocket is connect with oil strainer 19, and the water filter 20 connects with 18 side of oil pocket
It connects, the oil strainer 19 is connect by the hose 7 with fuel tank 3, and the water filter 20 passes through hose 7 and the nozzle 5
Connection；
The nozzle 5 further comprises jettron portion 21, fuel feeding portion 22 and showerhead 23, the jettron portion 21 with
Fuel feeding portion 22 connects, and for controlling 22 oil circuit on-off of fuel feeding portion, the fuel feeding portion 22 and showerhead 23 pass through a threaded joint 24
Connection, 21 side surface of jettron portion connect with a tracheae, for accessing compressed air, the fuel feeding portion 22 with it is described soft
Pipe 7 connects, and the jettron portion 21 is made of small cylinder 25, spool 26 and seal chamber 27,26 top of spool with it is small
The piston rod of type cylinder 25 connects, and 26 lower part of spool is set in seal chamber 27, and the showerhead 23 is by connector 28, switching knob
29 and spray core 30 form, the connector 28 connect with fuel feeding portion 22, and described 29 one end of switching knob is embedded in connector 28 from side,
30 upper end of spray core is embedded in 28 lower surface of connector；
Described cross is provided with several wire-crossing wheels 12 for being used to support transmission product conducting wire, this several wire-crossing wheel 12 in line case 2
It is rotatably set in several installation axles 13 respectively, several installation axles 13 were by being set to 2 inner surface of line case
Adjusting bracket 14 is fixed, and several grooves 15 being clamped for installation axle 13 are provided in the adjusting bracket 14, this several groove 15 is certainly
It is arranged on down along an oblique line and 15 height difference of two neighboring groove is identical.
Above-mentioned adjusting bracket 14 is welded and fixed with 2 inner surface of line case is crossed；Above-mentioned 15 height difference of two neighboring groove is 20mm；
The material of above-mentioned hose 7 is rubber.
When using the above-mentioned processing technology for aluminum alloy for squeezing bar, pass through setting for high-pressure gasified device and nozzle
It sets, so that the oxygen carburetion of liquid is become thick fog by high pressure by nozzle, the form that oxygen carburetion is atomized sprays, and uniform
It is suspended in and was full of line case, to form uniform antioxidation coating in the conductive line surfaces for passing through line case；Secondly, oil strainer
Setting, can remove the impurity and aluminium powder in oxygen carburetion, guarantee coating quality, aluminium powder is avoided to accumulate stopped nozzles；Water mistake
The setting of filter outside the steam discharge system in compressed air, can will then avoid steam from producing conducting wire quality and coating quality
Raw adverse effect；Again, the setting of wire-crossing wheel plays the role of support to the conducting wire of process, guarantees that conducting wire is automatic continuous and leads to
Line case was crossed, oxygen carburetion is allowed uniformly to be coated in continuously forward Round wires surface；The setting of adjusting bracket, can be with
The height of wire-crossing wheel is finely adjusted, to adapt to the product of different specification size, makes equipment that there is versatility, improves work effect
Rate；The setting of nylon wire-crossing wheel is played the role of protecting conducting wire, avoids the abrasion and injury to conducting wire, guarantee wire product
Quality；Again, extruding passes through a die cavity module with aluminium bar, this die cavity module is provided with several alcohol coolers along its circumferential direction
Structure and blower mechanism, several alcohol cooling bodies and blower mechanism use interval type configuration, and alcohol cooling body sprays aluminium bar
Processing is blowed to aluminium bar in alcohol, blower mechanism, squeezes and uses aluminium bar die cavity formula cleaning device, alcohol cooling device and blowing
Device uses interval type configuration, convenient for the cleaning comprehensive to aluminium bar, and the surface of its processing, it can be widely used for squeezing aluminium bar
Following process.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of processing technology for aluminum alloy for squeezing bar, it is characterised in that: the aluminum alloy for squeezing bar is by following matter
Amount percentage group be grouped as: silicon 0.03 ~ 0.08%, iron 0.1 ~ 0.2%, copper 0.005 ~ 0.1%, remaining be aluminium；Including following step
It is rapid:
The fine aluminium of Al99.70, alfer, alusil alloy, aluminium copper are put into aluminium melting furnace melting by step 1；
Step 2, molten aluminum constituent analysis: by melted molten aluminum metaideophone to holding furnace, direct-reading spectrometer is used in sampling after mixing evenly
It is quickly analyzed, detects the content of Al, Si, Fe and Cu in solution；
Step 3, Alloying Treatment: according to step 2 spectral test as a result, determining the additional amount of aluminium silicon, ferro-aluminum, aluminum bronze intermediate alloy
And be added, control heat preserving furnace aluminum liquid temperature at 740 ± 10 DEG C, be added corresponding aluminium silicon intermediate alloy, ferro-aluminum intermediate alloy or
Person's aluminum bronze intermediate alloy, and stir, make Al >=98.70wt%, Si:0.03-0.08wt%, Fe:0.1-0.2wt%, Cu:0.005-
0.10 wt%；
Step 4 after completing step 3, makees carrier with nitrogen when temperature of aluminum liquid reaches 750 ± 10 DEG C, by efficient injection refining agent
It is passed through in holding furnace and is refined in melt, reach molten aluminum degasification, impurity and purification processing, the speed that control refining agent is blown into when refining
The pressure of degree and nitrogen makes refining time control at 45 minutes or more；
Step 5 cleans out the aluminium slag floated on molten aluminum surface；
Step 6, composition adjustment: standing 30 ~ 40 minutes for the molten aluminum for completing step 5 in holding furnace, be then sampled analysis,
Constituent content is adjusted when deviateing, and confirmation molten aluminum is at being grouped as are as follows: Al >=98.70wt%, Si:0.03-0.08wt%, Fe:
0.1-0.2wt%, Cu:0.005-0.10 wt%；
Step 7, when temperature of aluminum liquid reaches 740 ± 10 DEG C, molten aluminum from holding furnace come out through flow-conveying groove enter online depassing unit
And filter device, external refining is carried out, degasification removes the gred again, and when slagging-off need to select slagging-off instrument to carry out；
Step 8, step 7 is refined again after clean molten aluminum carry out continuous casting, cast temperature control at 675-695 DEG C, adopt
Casting is carried out with horizontal casting mode and obtains slab, is controlled speed, the cooling water pressure of crystallizing wheel, is made to come out to from crystallizing wheel and draw
Slab temperature on bridge is 530 ~ 570 DEG C；
Step 9 is straightened the slab, controls the slab temperature into before rolling and is maintained at 530-560 DEG C, the operation of rolling is using cream
Change liquid roll and aluminium bar are lubricated and are cooled down, adjust emulsion pressure and flow, make the finishing temperature of extruding aluminium bar≤
300℃；
Step 10, the extruding pass through a die cavity module (31) with aluminium bar, this die cavity module (31) is provided with several along its circumferential direction
A alcohol cooling body (32) and blower mechanism (33), several alcohol cooling bodies (32) and blower mechanism (33) are using interval
Formula arrangement, alcohol cooling body (32) spray alcohol to aluminium bar, and processing is blowed to aluminium bar in blower mechanism (33)；
Step 11, natural cooling: extruding obtained by step 10 is placed on place with aluminium bar and carries out natural cooling processing acquisition aluminium conjunction
Golden bar；
Step 12 is surface-treated the aluminium alloy rod Jing Guo step 11 by an anti-oxidation coating unit, this anti-oxidation painting
Coating device includes bottom plate (1), crosses line case (2), fuel tank (3), high-pressure gasified device (4) and several nozzles (5), described to cross line case
(2) it is fixedly installed in bottom plate (1) upper surface by several supports (6), the fuel tank (3) was movably set to line case (2)
Underface, the fuel tank (3) are connect by a hose (7) with high-pressure gasified device (4), and high-pressure gasified device (4) passes through hose
(7) it is connect respectively with several nozzles (5), several nozzles (5) were installed on line case (2)；
The high-pressure gasified device (4) is by cylinder block (16), piston rod (17), oil pocket (18), oil strainer (19) and water mistake
Filter (20) connection is composed, and described piston rod (17) one end, which is embedded in cylinder block (16) and moves reciprocatingly, compresses sky
Gas, described oil pocket (18) one end are connect with piston rod (17), and oil pocket (18) other end is connect with oil strainer (19), the water mistake
Filter (20) is connect with oil pocket (18) side, and the oil strainer (19) is connect by the hose (7) with fuel tank (3), described
Water filter (20) is connect by hose (7) with the nozzle (5)；
The nozzle (5) further comprises jettron portion (21), fuel feeding portion (22) and showerhead (23), the jettron portion
(21) it is connect with fuel feeding portion (22), for controlling fuel feeding portion (22) oil circuit on-off, the fuel feeding portion (22) and showerhead (23) are logical
A threaded joint (24) connection is crossed, jettron portion (21) side surface is connect with a tracheae, for accessing compressed air, institute
It states fuel feeding portion (22) to connect with the hose (7), the jettron portion (21) is by small cylinder (25), spool (26) and sealing
Chamber (27) composition, spool (26) top are connect with the piston rod of small cylinder (25), and spool (26) lower part is set to sealing
In chamber (27), the showerhead (23) is made of connector (28), switching knob (29) and spray core (30), the connector (28) and confession
Oily portion (22) connection, out of side insertion connector (28), spray core (30) the upper end insertion is connect for described switching knob (29) one end
Head (28) lower surface；
Described cross is provided with several wire-crossing wheels (12) for being used to support transmission product conducting wire, this several wire-crossing wheel in line case (2)
(12) it is rotatably set on several installation axles (13) respectively, several installation axles (13) were by being set to line case (2)
The adjusting bracket (14) of inner surface is fixed, and several grooves for installation axle (13) clamping are provided on the adjusting bracket (14)
(15), this several groove (15) is arranged along an oblique line from bottom to top and two neighboring groove (15) height difference is identical.
2. the processing technology according to claim 1 for aluminum alloy for squeezing bar, it is characterised in that: several lines excessively
The number for taking turns (12) is 3.
3. the processing technology according to claim 1 for aluminum alloy for squeezing bar, it is characterised in that: in the step 1
Control temperature of aluminum liquid≤760 DEG C in furnace.
4. the processing technology according to claim 1 for aluminum alloy for squeezing bar, it is characterised in that: the adjusting bracket
(14) line case (2) two sides were symmetrically disposed on.
5. the processing technology according to claim 1 for aluminum alloy for squeezing bar, it is characterised in that: the adjusting bracket
(14) it is welded and fixed with line case (2) inner surface excessively.
6. the processing technology according to claim 1 for aluminum alloy for squeezing bar, it is characterised in that: described two neighboring
Groove (15) height difference is 10~30mm.
7. the processing technology according to claim 1 for aluminum alloy for squeezing bar, it is characterised in that: in the step 3
Stirring is specifically people's work and electromagnetic agitation 30 minutes.
8. the processing technology according to claim 1 for aluminum alloy for squeezing bar, it is characterised in that: in the step 4
Nitrogen gas purity is 99.999%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094561.2A CN107881355B (en) | 2017-11-09 | 2017-11-09 | Processing technology for aluminum alloy for squeezing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094561.2A CN107881355B (en) | 2017-11-09 | 2017-11-09 | Processing technology for aluminum alloy for squeezing bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107881355A CN107881355A (en) | 2018-04-06 |
| CN107881355B true CN107881355B (en) | 2019-10-25 |
Family
ID=61779503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711094561.2A Active CN107881355B (en) | 2017-11-09 | 2017-11-09 | Processing technology for aluminum alloy for squeezing bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107881355B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087843A (en) * | 1992-09-29 | 1994-06-15 | 泊灵格英格尔海姆国际有限公司 | The device of atomizer and filter and generation spraying |
| WO2015171184A1 (en) * | 2014-05-05 | 2015-11-12 | Thunderbolt Wood Treating, Inc. | Process for applying coatings to pilings |
-
2017
- 2017-11-09 CN CN201711094561.2A patent/CN107881355B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087843A (en) * | 1992-09-29 | 1994-06-15 | 泊灵格英格尔海姆国际有限公司 | The device of atomizer and filter and generation spraying |
| WO2015171184A1 (en) * | 2014-05-05 | 2015-11-12 | Thunderbolt Wood Treating, Inc. | Process for applying coatings to pilings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107881355A (en) | 2018-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102211160B (en) | Continuous casting method of sulfur-containing easy-cutting pinion steel | |
| US5160532A (en) | Direct processing of electroslag refined metal | |
| CN106601324A (en) | High-bonding strength copper-aluminum composite conductive material and preparation method thereof | |
| CN100484669C (en) | Device for producing small solder alloys welding balls | |
| CN108311551A (en) | A kind of cooling technique producing high-magnesium aluminum alloy welding wire line base using continuous casting and rolling method | |
| CN105665665A (en) | Vertical undercurrent semi-continuous technology for casting C18000 alloy through red ingot | |
| CN113649415B (en) | Preparation process of high-strength aluminum alloy welding wire | |
| CN109852813A (en) | Production technology is pricked by a kind of abnormal shape copper bar high efficiency continuous casting company | |
| CN105039883A (en) | Preparation method of Cu-Cr-Zr alloy contact wire | |
| CN105479033A (en) | Aluminum alloy welding wire and preparation method thereof | |
| CN107881355B (en) | Processing technology for aluminum alloy for squeezing bar | |
| EP0813922A1 (en) | Vacuum die-casting machine and method | |
| CN109127730B (en) | A kind of 5356 aluminium alloy rod continuous casting and rolling production systems | |
| CN100513010C (en) | Method for reducing CSP casting billet surface longitudinal microcrack and folding defect | |
| CN108465713B (en) | The processing technology and aluminium alloy extrusions of 7075 aluminium alloy extrusions | |
| CN103273021A (en) | Device and method for producing fine grain aluminum alloy round cast ingot | |
| CN211386338U (en) | Wire drawing cooling device | |
| CN207873067U (en) | A kind of copper bar continuous casting and tandem rolling production line | |
| CN101433955A (en) | Method and apparatus for casting zinc-base alloy ingot | |
| CN205551123U (en) | Continuous wire drawing equipment of inacidity eccysis rust bonderizing | |
| CN209393422U (en) | Shield door ironmongery work piece surface processing unit | |
| CN209502548U (en) | A kind of dedicated material process units of high speed machine | |
| CN2586549Y (en) | Semi-sealed cooling type continuous casting machine | |
| CN1491759A (en) | Process of colouring, binding and casting steel-shell aluminium-core anode claw for electrolyzing aluminium | |
| CN115415489B (en) | Continuous casting equipment and process for aluminum/aluminum alloy sheet billet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220124 Address after: 215234 88 Hengtong Road, seven Du Town, Wujiang District, Suzhou, Jiangsu Patentee after: JIANGSU HENGTONG ELECTRIC POWER SPECIAL WIRE Co.,Ltd. Patentee after: Jiangsu Hengtong Cable Technology Co., Ltd Address before: 215234 88 Hengtong Road, seven Du Town, Wujiang District, Suzhou, Jiangsu Patentee before: JIANGSU HENGTONG ELECTRIC POWER SPECIAL WIRE Co.,Ltd. |