CN219402895U - Manufacturing equipment of Al-Zn-Mg-Cu alloy welding wire - Google Patents
Manufacturing equipment of Al-Zn-Mg-Cu alloy welding wire Download PDFInfo
- Publication number
- CN219402895U CN219402895U CN202222763779.5U CN202222763779U CN219402895U CN 219402895 U CN219402895 U CN 219402895U CN 202222763779 U CN202222763779 U CN 202222763779U CN 219402895 U CN219402895 U CN 219402895U
- Authority
- CN
- China
- Prior art keywords
- welding wire
- alloy welding
- manufacturing
- continuous casting
- alloy
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides manufacturing equipment of an Al-Zn-Mg-Cu alloy welding wire, and belongs to the technical field of aluminum alloy. The manufacturing equipment at least comprises a smelting device, a refining device, an ultrasonic degassing device, an online filtering device, a continuous casting and extruding device, a rod blank drawing device, an intermediate annealing device and a finished product drawing device. The manufacturing equipment can enable the Al-Zn-Mg-Cu alloy welding wire to have fewer welding structure defects, and has the advantages of simple process, high yield and the like. The manufacturing equipment provided by the utility model can be used for industrial production of high-strength aluminum alloy welding wires.
Description
Technical Field
The utility model relates to manufacturing equipment of an Al-Zn-Mg-Cu alloy welding wire, and belongs to the technical field of aluminum alloy.
Background
The 7X high-strength aluminum alloy is widely applied to various fields, but the alloy has complex components and large solidification interval, and defects such as hot cracks, inclusions, air holes and the like are easy to occur in the welding process, so that the mechanical properties of the welding seam cannot meet the requirements. On the other hand, the selection of the welding wire plays an important role in the welding of structural members, and is directly related to the welding quality and the welding performance. Therefore, there is a need to develop a novel Al-Zn-Mg-Cu alloy welding wire suitable for 7X high strength aluminum alloy welding, improving the weld quality and the performance of welded structures. The Al-Zn-Mg-Cu aluminum alloy welding wire has high strength, difficult control forming and large batch manufacturing difficulty, and no mature integral manufacturing equipment is seen.
CN111112872a discloses a 7×× high strength aluminum alloy welding wire, which is manufactured by adopting the process equipment of ingot casting, wagon, hot extrusion and multiple drawing annealing, and has the advantages of complex process, low product yield, large equipment site investment and difficult continuous batch production.
Therefore, developing a manufacturing device for an Al-Zn-Mg-Cu alloy welding wire becomes one of the problems to be solved in the art.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide manufacturing equipment of an Al-Zn-Mg-Cu alloy welding wire. The manufacturing equipment has the advantages of simple manufacturing process and the like, and can be used for industrial production of high-strength aluminum alloy welding wires.
In order to achieve the above object, the present utility model provides a manufacturing apparatus for an Al-Zn-Mg-Cu alloy welding wire, the manufacturing apparatus at least comprising a smelting device, a refining device, an ultrasonic degassing device, an on-line filtering device, a continuous casting device, a rod blank drawing device, an intermediate annealing device, and a finished product drawing device; wherein the outlet of the smelting device is connected with the inlet of the refining device through a launder; the outlet of the refining device is connected with the inlet of the online filtering device through a launder, and the ultrasonic degassing device is arranged on the launder connected with the online filtering device; the outlet of the online filtering device is connected to the inlet of the continuous casting device through a launder, the rod blank drawing device is arranged at the rear of the continuous casting device and is connected with the continuous casting device, the intermediate annealing device is arranged at the rear of the rod blank drawing device and is connected with the rod blank drawing device, and the finished product drawing device is arranged at the rear of the intermediate annealing device and is connected with the intermediate annealing device.
In the apparatus for manufacturing an Al-Zn-Mg-Cu alloy welding wire described above, preferably, the smelting device includes a smelting furnace. The smelting furnace may be a conventional smelting furnace in the art, such as a conventional intermediate frequency smelting furnace or the like.
In the apparatus for producing an Al-Zn-Mg-Cu alloy welding wire described above, preferably, the refining means includes a tilting holding furnace. The tilting type holding furnace may be a conventional tilting type holding furnace in the art, such as a conventional circular tilting type melting holding furnace, or a conventional rectangular tilting type melting holding furnace, etc.
In the above apparatus for manufacturing an Al-Zn-Mg-Cu alloy welding wire, preferably, the ultrasonic power of the ultrasonic degassing device is 1 to 3kw, and the frequency is 20 to 30khz. The ultrasonic degasser may be a conventional ultrasonic degasser in the art, such as, but not limited to, the launder type aluminum melt on-line ultrasonic degasser disclosed in CN205035457U, and the like.
In the apparatus for manufacturing an Al-Zn-Mg-Cu alloy welding wire described above, preferably, the online filtering means includes an electromagnetic filtering means. More preferably, the electromagnetic filtering device adopts an IGBT induction power supply with the power of 50-80 KW and the frequency of 10-15 KHZ. The electromagnetic filtration device may be a conventional electromagnetic filtration device in the art, such as, but not limited to, the electromagnetic filtration device disclosed in "electromagnetic filtration influence of ductility of A356 alloy scrap" (national metal bedrock core laboratory of Shanghai university of transportation, sun Baode, etc., organometallic regeneration and utilization, 11 th 2004), or the electromagnetic filtration device disclosed in CN211734439U, etc.
In the above apparatus for manufacturing an Al-Zn-Mg-Cu alloy welding wire, preferably, the casting temperature of the continuous casting device is 680-700 ℃, the cooling water temperature is 15-40 ℃, and the bar blank temperature at the outlet is 380-430 ℃. The continuous casting device may be a conventional continuous casting device in the art, such as, but not limited to, the continuous casting device disclosed in the state of the art and development of continuous casting (Wang Hui et al, casting technology, vol.35 No.4, month 2014).
In the apparatus for manufacturing an Al-Zn-Mg-Cu alloy welding wire described above, preferably, the bar drawing device includes a six-die wire drawing machine. The six-die wire drawing machine may be a six-die wire drawing machine conventional in the art.
In the above-described manufacturing apparatus of the Al-Zn-Mg-Cu alloy welding wire, the intermediate annealing device may be a conventional intermediate annealing device in the art, such as a conventional box annealing furnace or a bench annealing furnace, or the like.
In the apparatus for manufacturing an Al-Zn-Mg-Cu alloy welding wire described above, preferably, the final drawing device includes a multi-die wire drawing machine. The multimode wire drawing machine may be a conventional multimode wire drawing machine in the art, such as, but not limited to, LT11/350, LT350/13, etc. manufactured by Hangzhou crown and machine manufacturing limited.
According to a specific embodiment of the present utility model, preferably, the apparatus for manufacturing an Al-Zn-Mg-Cu alloy welding wire further includes a peeling device, and the peeling device is disposed at a rear of the finished product drawing device and connected to the finished product drawing device. The peeling means may be conventional in the art, such as, but not limited to, LT350/13, manufactured by Hangzhou crown and mechanical manufacturing Inc., a drawing, peeling, cleaning unit.
According to a specific embodiment of the present utility model, preferably, the manufacturing apparatus of the Al-Zn-Mg-Cu alloy welding wire described above includes a melting furnace, a tilting holding furnace, an ultrasonic degassing device, an electromagnetic filtering device, a continuous casting device, a six-die wire drawing machine, an intermediate annealing device, a multi-die wire drawing machine, and a peeling device; wherein, the outlet of the smelting furnace is connected with the inlet of the tilting heat preservation furnace through a launder; the outlet of the tilting type heat preservation furnace is connected with the inlet of the electromagnetic filtering device through a launder, and the ultrasonic degassing device is arranged on the launder connected with the tilting type heat preservation furnace and the electromagnetic filtering device; the outlet of the electromagnetic filtering device is connected with the inlet of the continuous casting device through a launder; the six-die wire drawing machine is arranged at the rear of the continuous casting and extruding device and is connected with the continuous casting and extruding device, the intermediate annealing device is arranged at the rear of the six-die wire drawing machine and is connected with the six-die wire drawing machine, the multi-die wire drawing machine is arranged at the rear of the intermediate annealing device and is connected with the intermediate annealing device, and the peeling device is arranged at the rear of the multi-die wire drawing machine and is connected with the multi-die wire drawing machine.
According to a specific embodiment of the present utility model, preferably, the method for manufacturing an Al-Zn-Mg-Cu alloy welding wire using the above-described manufacturing apparatus for an Al-Zn-Mg-Cu alloy welding wire may include the steps of: according to the element composition and the weight percentage of the Al-Zn-Mg-Cu alloy welding wire, raw materials are subjected to at least the steps of smelting, refining, ultrasonic degassing, online filtering, continuous casting and extrusion, rod blank drawing, intermediate annealing, finished product drawing and the like, so that the Al-Zn-Mg-Cu alloy welding wire is obtained.
In the above manufacturing method, preferably, the raw materials used include pure aluminum, pure magnesium, pure zinc, aluminum copper alloy, aluminum manganese alloy, aluminum chromium alloy, aluminum zirconium alloy, aluminum rare earth alloy.
In the above manufacturing method, preferably, the refining includes: introducing mixed gas of argon and chlorine into the smelted melt at 720-730 ℃ for refining in a furnace for 3-5 minutes; and then slagging off the melt, adjusting the temperature of the melt to 710-720 ℃, and standing for 30-40 minutes.
In the above manufacturing method, preferably, the ultrasonic deaeration includes: and carrying out on-line ultrasonic degassing on the refined melt by adopting an ultrasonic degassing device, wherein the ultrasonic power is 1-3 KW, and the frequency is 20-30 KHZ. More preferably, the melt after ultrasonic degassing has a hydrogen content of 0.1mL/100g or less.
In the above manufacturing method, preferably, the online filtering includes: and carrying out on-line filtration on the melt subjected to ultrasonic degassing by adopting an electromagnetic filter device, wherein the electromagnetic filtration adopts an IGBT induction power supply with the power of 50-80 KW and the frequency of 10-15 KHZ. More preferably, the in-line filtration has a removal rate of 90% or more for inclusions having a particle size of more than 1 μm in the melt.
In the above manufacturing method, preferably, the continuous casting includes: pouring the melt filtered on line into a continuous casting device through a nozzle of the continuous casting device, solidifying and extruding in a cavity of a rotating water-cooled grooved wheel (namely, an extrusion wheel or a casting wheel) to obtain a rod blank; wherein the casting temperature (namely, casting temperature) is 680-700 ℃, the cooling water temperature is 15-40 ℃, the diameter of the extruded rod blank is 6-9 mm, and the temperature of the rod blank at the outlet is 380-430 ℃. The continuous casting may be performed by a continuous casting apparatus conventionally used in the art. The Al-Zn-Mg-Cu alloy welding wire is manufactured by adopting the continuous casting and extrusion mode, and full dynamic recrystallization can be generated in the extrusion process.
In the above manufacturing method, preferably, the bar drawing includes: and continuously drawing the rod blank obtained by continuous casting and extrusion, wherein the pass processing rate is 8-12%, and obtaining the wire blank. More preferably, the diameter of the wire blank is 4-5 mm. The rod blank is preferably drawn by a six-die wire drawing machine.
In the above manufacturing method, preferably, the intermediate annealing includes: and carrying out step annealing treatment on the wire blank obtained by drawing the rod blank, firstly, preserving heat for 1-3 hours at 350-400 ℃, eliminating a work hardening effect through recrystallization, and then preserving heat for 3-5 hours at 200-300 ℃ to further improve the processing plasticity.
In the above manufacturing method, preferably, the drawing of the finished product includes: and continuously drawing the wire blank after the intermediate annealing, wherein the pass processing rate is 10-15%, and obtaining the Al-Zn-Mg-Cu alloy welding wire. The finished product drawing is preferably performed by using a multi-die wire drawing machine. According to the utility model, the wire blank after intermediate annealing is drawn to a near-finished product size, and more preferably, the diameter of the Al-Zn-Mg-Cu alloy welding wire obtained by drawing the finished product is 1.8-2.4 mm.
According to a specific embodiment of the present utility model, preferably, the above manufacturing method further includes peeling after the drawing of the finished product, where the peeling is: and (3) continuously peeling the welding wire obtained by drawing the finished product twice, wherein the thickness of each peeling is 0.01-0.03 mm, and the Al-Zn-Mg-Cu alloy welding wire is obtained. More preferably, the diameter of the Al-Zn-Mg-Cu alloy welding wire obtained by peeling is 1.8-2.4 mm. According to the utility model, the welding wire obtained by drawing the finished product is peeled by two continuous steps, so that the surface scratches and fatigue layers are removed, and the finished product Al-Zn-Mg-Cu alloy welding wire with the diameter of 1.8-2.4 mm is obtained.
The utility model provides manufacturing equipment of an Al-Zn-Mg-Cu alloy welding wire. The alloy manufacturing equipment adopts a continuous casting and extruding device, can directly obtain the welding screw rod blank from the aluminum melt, and has simple working procedure and high yield. The alloy structure is sufficiently crushed by severe shear deformation, and thus the manufactured wire rod blank has a dense deformed structure. In addition, the continuous cast-extruded welding wire rod blank has compact structure, full dynamic recrystallization, good drawing processability, high production efficiency and low cost, and can be drawn to the size of a finished product only by one-time intermediate annealing in the subsequent processing process. The manufacturing equipment provided by the utility model can enable the Al-Zn-Mg-Cu alloy welding wire to have fewer welding structure defects. Therefore, the manufacturing equipment disclosed by the utility model can be used for industrial production of the high-strength aluminum alloy welding wire.
Drawings
FIG. 1 is a schematic structural view of an apparatus for manufacturing an Al-Zn-Mg-Cu alloy welding wire according to an embodiment of the present utility model;
description of main reference numerals: 1-smelting device, 2-refining device, 3-ultrasonic degassing device, 4-online filtering device, 5-continuous casting and extruding device, 6-bar blank drawing device, 7-intermediate annealing device, 8-finished product drawing device and 9-peeling device.
Detailed Description
The technical solution of the present utility model will be described in detail below for a clearer understanding of technical features, objects and advantageous effects of the present utility model, but should not be construed as limiting the scope of the present utility model.
Example 1
The embodiment provides manufacturing equipment of an Al-Zn-Mg-Cu alloy welding wire, which is shown in fig. 1, and comprises a smelting device 1, a refining device 2, an ultrasonic degassing device 3, an online filtering device 4, a continuous casting device 5, a rod blank drawing device 6, an intermediate annealing device 7, a finished product drawing device 8 and a peeling device 9; wherein the outlet of the smelting device 1 is connected with the inlet of the refining device 2 through a launder; the outlet of the refining device 2 is connected with the inlet of the online filtering device 4 through a launder, and the ultrasonic degassing device 3 is arranged on the launder, which is connected with the online filtering device 4, of the refining device 2; the outlet of the online filtering device 4 is connected to the inlet of the continuous casting device 5 through a launder, the rod blank drawing device 6 is arranged at the rear of the continuous casting device 5 and is connected with the continuous casting device 5, the intermediate annealing device 7 is arranged at the rear of the rod blank drawing device 6 and is connected with the rod blank drawing device 6, and the finished product drawing device 8 is arranged at the rear of the intermediate annealing device 7 and is connected with the intermediate annealing device 7;
wherein the smelting device 1 comprises a smelting furnace; the refining device 2 comprises a tilting type heat preservation furnace; the ultrasonic power of the ultrasonic degassing device 3 is 1-3 KW, and the frequency is 20-30 KHZ; the online filtering device 4 comprises an electromagnetic filtering device, and the electromagnetic filtering device adopts an IGBT induction power supply with the power of 50-80 KW and the frequency of 10-15 KHZ; the casting temperature of the continuous casting device 5 is 680-700 ℃, the cooling water temperature is 15-40 ℃, and the rod blank temperature at the outlet is 380-430 ℃; the rod blank drawing device 6 comprises a six-die wire drawing machine; the intermediate annealing device 7 comprises an annealing furnace; the final drawing device 8 comprises a multimode wire drawing machine.
The embodiment also provides a manufacturing method for manufacturing the Al-Zn-Mg-Cu alloy welding wire by using the manufacturing equipment. The elemental composition of the Al-Zn-Mg-Cu alloy wire may be conventional in the art.
The manufacturing method comprises the following steps:
(1) Smelting
Adding an aluminum ingot with the purity of more than 99.8%, a zinc ingot with the purity of more than 99.9%, an aluminum copper alloy, an aluminum manganese alloy, an aluminum chromium alloy, an aluminum zirconium alloy and an aluminum rare earth alloy into a smelting furnace, heating and melting, adding a magnesium ingot with the purity of more than 99.9% into aluminum liquid, stirring to completely melt, and then skimming slag;
(2) Refining in furnace
Transferring the smelted melt into a tilting type heat preservation furnace, adjusting the temperature of the melt to 730 ℃, introducing mixed gas of argon and chlorine (wherein the volume ratio of the argon to the chlorine is 95:5) for refining in the furnace for 4 minutes, thoroughly scraping dross on the surface of the melt, adjusting the temperature of the melt to 710 ℃, and standing for 30 minutes;
(3) Ultrasonic degassing
After casting is started, carrying out on-line ultrasonic degassing on the refined melt by adopting an ultrasonic degassing device 3, wherein the ultrasonic power is 1.5KW, the frequency is 25KHZ, and the hydrogen content of the melt after ultrasonic degassing is below 0.1mL/100 g;
(4) On-line filtration
Carrying out on-line filtration on the melt subjected to ultrasonic degassing by adopting an electromagnetic filtering device, wherein the electromagnetic filtration adopts an IGBT induction power supply with the power of 50KW and the frequency of 10KHZ, and the on-line filtration is used for removing the impurities with the grain diameter of more than 1 mu m in the melt, and the removal rate is more than 90%;
(5) Continuous casting extrusion
Pouring the melt filtered on line into the continuous casting device 5 through a nozzle of the continuous casting device 5, solidifying in a rotary water-cooled grooved wheel cavity and extruding along with a rotary extrusion wheel to obtain a rod blank; wherein the casting temperature is 690 ℃, the cooling water temperature is 20 ℃, the diameter of an extruded rod blank is 7mm, and the temperature of the rod blank at an outlet is 410 ℃; full dynamic recrystallization occurs during extrusion; the extruded rod blank is coiled into a disc after being cooled;
(6) Rod blank drawing
Continuously drawing the rod blank obtained by continuous casting and extrusion by adopting a six-die wire drawing machine, wherein the pass processing rate is 8-12%, and drawing the rod blank into a wire blank with the diameter of 4.5 mm;
(7) Intermediate annealing
Step annealing treatment is carried out on the wire blank obtained by drawing the rod blank, firstly, the temperature is kept at 400 ℃ for 1h, the work hardening effect is eliminated through recrystallization, and then, the temperature is kept at 250 ℃ for 5h, so that the work plasticity is further improved;
(8) Drawing of finished products
Continuously drawing the wire blank after intermediate annealing by adopting a multi-die wire drawing machine until the wire blank is close to the size of a finished product, wherein the pass processing rate is 10-15%, and obtaining an Al-Zn-Mg-Cu alloy welding wire with the diameter close to 2.0 mm;
(9) Peeling off
And (3) continuously peeling the welding wire obtained by drawing the finished product twice, wherein the thickness of each peeling is 0.01mm, and removing surface scratches and fatigue layers to obtain the finished product Al-Zn-Mg-Cu alloy welding wire with the diameter of 2.0 mm.
Example 2
This example provides a method of manufacturing an Al-Zn-Mg-Cu alloy welding wire using the same manufacturing apparatus as that of example 1. The elemental composition of the Al-Zn-Mg-Cu alloy wire may be conventional in the art.
The manufacturing method comprises the following steps:
(1) Smelting
Adding an aluminum ingot with the purity of more than 99.8%, a zinc ingot with the purity of more than 99.9%, an aluminum copper alloy, an aluminum manganese alloy, an aluminum chromium alloy, an aluminum zirconium alloy and an aluminum rare earth alloy into a smelting furnace, heating and melting, adding a magnesium ingot with the purity of more than 99.9% into aluminum liquid, stirring to completely melt, and then skimming slag;
(2) Refining in furnace
Transferring the smelted melt into a tilting type heat preservation furnace, adjusting the temperature of the melt to 725 ℃, introducing mixed gas of argon and chlorine (wherein the volume ratio of the argon to the chlorine is 95:5) for refining in the furnace for 5 minutes, thoroughly scraping dross on the surface of the melt, adjusting the temperature of the melt to 710 ℃, and standing for 30 minutes;
(3) Ultrasonic degassing
After casting is started, carrying out on-line ultrasonic degassing on the refined melt by adopting an ultrasonic degassing device 3, wherein the ultrasonic power is 1.5KW, the frequency is 25KHZ, and the hydrogen content of the melt after ultrasonic degassing is below 0.1mL/100 g;
(4) On-line filtration
Carrying out on-line filtration on the melt subjected to ultrasonic degassing by adopting an electromagnetic filtering device, wherein the electromagnetic filtration adopts an IGBT induction power supply with the power of 50KW and the frequency of 10KHZ, and the on-line filtration is used for removing the impurities with the grain diameter of more than 1 mu m in the melt, and the removal rate is more than 90%;
(5) Continuous casting extrusion
Pouring the melt filtered on line into the continuous casting device 5 through a nozzle of the continuous casting device 5, solidifying in a rotary water-cooled grooved wheel cavity and extruding along with a rotary extrusion wheel to obtain a rod blank; wherein the casting temperature is 700 ℃, the cooling water temperature is 15 ℃, the diameter of the extruded rod blank is 6mm, and the temperature of the rod blank at the outlet is 407 ℃; full dynamic recrystallization occurs during extrusion; the extruded rod blank is coiled into a disc after being cooled;
(6) Rod blank drawing
Continuously drawing the rod blank obtained by continuous casting and extrusion by adopting a six-die wire drawing machine, wherein the pass processing rate is 8-12%, and drawing the rod blank into a wire blank with the diameter of 4.2 mm;
(7) Intermediate annealing
Step annealing treatment is carried out on the wire blank obtained by drawing the rod blank, firstly, the wire blank is preserved for 1.5 hours at 380 ℃, the work hardening effect is eliminated through recrystallization, and then, the wire blank is preserved for 4 hours at 250 ℃, so that the work plasticity is further improved;
(8) Drawing of finished products
Continuously drawing the wire blank after intermediate annealing by adopting a multi-die wire drawing machine until the wire blank is close to the size of a finished product, wherein the pass processing rate is 10-15%, and obtaining an Al-Zn-Mg-Cu alloy welding wire with the diameter close to 1.8 mm;
(9) Peeling off
And (3) continuously peeling the welding wire obtained by drawing the finished product twice, wherein the thickness of each peeling is 0.01mm, and removing surface scratches and fatigue layers to obtain the finished product Al-Zn-Mg-Cu alloy welding wire with the diameter of 1.8 mm.
Example 3
This example provides a method of manufacturing an Al-Zn-Mg-Cu alloy welding wire using the same manufacturing apparatus as that of example 1. The elemental composition of the Al-Zn-Mg-Cu alloy wire may be conventional in the art.
The manufacturing method comprises the following steps:
(1) Smelting
Adding an aluminum ingot with the purity of more than 99.8%, a zinc ingot with the purity of more than 99.9%, an aluminum copper alloy, an aluminum manganese alloy, an aluminum chromium alloy, an aluminum zirconium alloy and an aluminum rare earth alloy into a smelting furnace, heating and melting, adding a magnesium ingot with the purity of more than 99.9% into aluminum liquid, stirring to completely melt, and then skimming slag;
(2) Refining in furnace
Transferring the smelted melt into a tilting type heat preservation furnace, adjusting the temperature of the melt to 730 ℃, introducing mixed gas of argon and chlorine (wherein the volume ratio of the argon to the chlorine is 95:5) for refining in the furnace for 5 minutes, thoroughly scraping dross on the surface of the melt, adjusting the temperature of the melt to 714 ℃, and standing for 30 minutes;
(3) Ultrasonic degassing
After casting is started, carrying out on-line ultrasonic degassing on the refined melt by adopting an ultrasonic degassing device 3, wherein the ultrasonic power is 1.5KW, the frequency is 25KHZ, and the hydrogen content of the melt after ultrasonic degassing is below 0.1mL/100 g;
(4) On-line filtration
Carrying out on-line filtration on the melt subjected to ultrasonic degassing by adopting an electromagnetic filtering device, wherein the electromagnetic filtration adopts an IGBT induction power supply with the power of 50KW and the frequency of 10KHZ, and the on-line filtration is used for removing the impurities with the grain diameter of more than 1 mu m in the melt, and the removal rate is more than 90%;
(5) Continuous casting extrusion
Pouring the melt filtered on line into the continuous casting device 5 through a nozzle of the continuous casting device 5, solidifying in a rotary water-cooled grooved wheel cavity and extruding along with a rotary extrusion wheel to obtain a rod blank; wherein the casting temperature is 700 ℃, the cooling water temperature is 15 ℃, the diameter of the extruded rod blank is 8mm, and the temperature of the rod blank at the outlet is 403 ℃; full dynamic recrystallization occurs during extrusion; the extruded rod blank is coiled into a disc after being cooled;
(6) Rod blank drawing
Continuously drawing the rod blank obtained by continuous casting and extrusion by adopting a six-die wire drawing machine, wherein the pass processing rate is 8-12%, and drawing the rod blank into a wire blank with the diameter of 4.8 mm;
(7) Intermediate annealing
Step annealing treatment is carried out on the wire blank obtained by drawing the rod blank, firstly, the wire blank is preserved for 1.5 hours at 380 ℃, the work hardening effect is eliminated through recrystallization, and then, the wire blank is preserved for 4 hours at 250 ℃, so that the work plasticity is further improved;
(8) Drawing of finished products
Continuously drawing the wire blank after intermediate annealing by adopting a multi-die wire drawing machine until the wire blank is close to the size of a finished product, wherein the pass processing rate is 10-15%, and obtaining an Al-Zn-Mg-Cu alloy welding wire with the diameter close to 2.4 mm;
(9) Peeling off
And (3) continuously peeling the welding wire obtained by drawing the finished product twice, wherein the thickness of each peeling is 0.015mm, and removing surface scratches and fatigue layers to obtain the finished product Al-Zn-Mg-Cu alloy welding wire with the diameter of 2.4mm.
The Al-Zn-Mg-Cu alloy welding wires obtained in the above examples were subjected to performance test, and the results are shown in Table 1 below.
Comparative example 1
The present comparative example provides a manufacturing apparatus and method for manufacturing an Al-Zn-Mg-Cu alloy welding wire. The elemental composition of the Al-Zn-Mg-Cu alloy welding wire may be conventional in the art and is the same as in example 1.
The manufacturing equipment comprises a smelting device, a refining device, an online refining device, a semi-continuous casting device, a homogenization treatment device, a turning device, an extrusion device, a drawing forming device and a peeling device; wherein the outlet of the smelting device is connected with the inlet of the refining device through a launder; the outlet of the refining device is connected with the inlet of the semi-continuous casting device through a launder, the online refining device is arranged on the launder connected with the semi-continuous casting device, and the online refining device comprises a rotary jetting degassing box and a two-stage foam ceramic filter box; the homogenizing treatment device is arranged at the rear of the semi-continuous casting device and is connected with the semi-continuous casting device, the wagon device is arranged at the rear of the homogenizing treatment device and is connected with the homogenizing treatment device, the extrusion device is arranged at the rear of the wagon device and is connected with the wagon device, the drawing forming device is arranged at the rear of the extrusion device and is connected with the extrusion device, and the peeling device is arranged at the rear of the drawing forming device and is connected with the drawing forming device;
wherein each device is a conventional device in the art, for example the smelting device is a smelting furnace; the refining device is a tilting type heat preservation furnace; the semi-continuous casting device is a hot top type semi-continuous casting machine; the extrusion device is an extruder; the drawing forming device is a wire drawing machine and the like.
The manufacturing method comprises the following steps:
(1) Smelting
Adding an aluminum ingot with the purity of more than 99.8%, a zinc ingot with the purity of more than 99.9%, an aluminum copper alloy, an aluminum manganese alloy, an aluminum chromium alloy, an aluminum zirconium alloy and an aluminum rare earth alloy into a smelting furnace, heating and melting, adding a magnesium ingot with the purity of more than 99.9% into aluminum liquid, stirring to completely melt, and then skimming slag;
(2) Refining in furnace
Transferring the smelted melt into a tilting type heat preservation furnace, adjusting the temperature of the melt to 730 ℃, introducing mixed gas of argon and chlorine (wherein the volume ratio of the argon to the chlorine is 95:5) for refining in the furnace for 4 minutes, thoroughly scraping dross on the surface of the melt, adjusting the temperature of the melt to 710 ℃, and standing for 30 minutes;
(3) On-line refining
After casting is started, online dehydrogenation is carried out on the melt after furnace refining flowing through the launder by using a rotary jetting degassing box, and filtering and impurity removing are carried out on the melt after furnace refining by using a double-stage foam ceramic filter box, so that the melt cleanliness is further improved;
(4) Semi-continuous casting
Casting the melt subjected to on-line refining into aluminum alloy round ingots with the diameter of 130mm by a hot top type semi-continuous casting machine, and cutting off the heads and the tails of the ingots by 300mm respectively;
(5) Homogenization treatment
Homogenizing the aluminum alloy round ingot, wherein the homogenizing treatment process is to keep the temperature at 440 ℃ for 30 hours so as to eliminate dendrite segregation of the ingot tissue and homogenize the alloy components and the tissue;
(6) Wagon for car
Turning the ingot to remove surface oxide skin and segregation phase defects;
(7) Extrusion
Reheating the cast ingot for extrusion, keeping the temperature at 420 ℃ for 5 hours, and simultaneously extruding four rod blanks with the diameter of 10mm by adopting an extruder;
(8) Drawing and forming
Carrying out multi-pass drawing on the rod blank, carrying out multiple intermediate annealing treatments in the drawing process to improve alloy plasticity, and connecting the wire blank by using a cold welding method to obtain a welding wire with a specific length;
(9) Peeling off
And (3) carrying out online peeling on the welding wire obtained after the drawing forming, and removing surface scratches and fatigue layers to prepare a finished Al-Zn-Mg-Cu alloy welding wire with the diameter of 2 mm.
The Al-Zn-Mg-Cu alloy welding wires prepared in this comparative example were subjected to performance test, and the results are shown in Table 1 below.
TABLE 1
As can be seen from Table 1, the manufacturing apparatus of the present utility model can provide Al-Zn-Mg-Cu alloy welding wire with more excellent tensile strength, yield strength and elongation. The manufacturing equipment has the advantages of simple process, high yield and the like. Therefore, the manufacturing equipment disclosed by the utility model can be used for industrial production of the high-strength aluminum alloy welding wire. And the Al-Zn-Mg-Cu alloy welding wire prepared in the comparative example 1 adopts continuous casting, the yield is only 66%, and the production cost is higher.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The manufacturing equipment of the Al-Zn-Mg-Cu alloy welding wire is characterized by at least comprising a smelting device, a refining device, an ultrasonic degassing device, an online filtering device, a continuous casting and extruding device, a rod blank drawing device, an intermediate annealing device and a finished product drawing device; wherein the outlet of the smelting device is connected with the inlet of the refining device through a launder; the outlet of the refining device is connected with the inlet of the online filtering device through a launder, and the ultrasonic degassing device is arranged on the launder connected with the online filtering device; the outlet of the online filtering device is connected to the inlet of the continuous casting device through a launder, the rod blank drawing device is arranged at the rear of the continuous casting device and is connected with the continuous casting device, the intermediate annealing device is arranged at the rear of the rod blank drawing device and is connected with the rod blank drawing device, and the finished product drawing device is arranged at the rear of the intermediate annealing device and is connected with the intermediate annealing device.
2. The apparatus for manufacturing an Al-Zn-Mg-Cu alloy welding wire according to claim 1, wherein the smelting means includes a smelting furnace.
3. The apparatus for producing Al-Zn-Mg-Cu alloy welding wire according to claim 1, wherein said refining means comprises a tilting holding furnace.
4. The apparatus for producing Al-Zn-Mg-Cu alloy welding wire according to claim 1, wherein the ultrasonic power of said ultrasonic deaeration means is 1 to 3KW and the frequency is 20 to 30KHZ.
5. The apparatus for manufacturing Al-Zn-Mg-Cu alloy welding wire according to claim 1, wherein the on-line filtering means comprises an electromagnetic filtering means.
6. The apparatus for manufacturing Al-Zn-Mg-Cu alloy welding wire according to claim 5, wherein the electromagnetic filter device adopts an IGBT induction power supply with power of 50-80 KW and frequency of 10-15 KHZ.
7. The apparatus for manufacturing an Al-Zn-Mg-Cu alloy welding wire according to claim 1, wherein the bar drawing means includes a six-die wire drawing machine.
8. The apparatus for manufacturing Al-Zn-Mg-Cu alloy welding wire according to claim 1, wherein the final drawing device includes a multi-die wire drawing machine.
9. The apparatus for manufacturing Al-Zn-Mg-Cu alloy welding wire according to claim 1, further comprising a peeling device provided behind and connected to the final product drawing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222763779.5U CN219402895U (en) | 2022-10-20 | 2022-10-20 | Manufacturing equipment of Al-Zn-Mg-Cu alloy welding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222763779.5U CN219402895U (en) | 2022-10-20 | 2022-10-20 | Manufacturing equipment of Al-Zn-Mg-Cu alloy welding wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219402895U true CN219402895U (en) | 2023-07-25 |
Family
ID=87243233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222763779.5U Active CN219402895U (en) | 2022-10-20 | 2022-10-20 | Manufacturing equipment of Al-Zn-Mg-Cu alloy welding wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219402895U (en) |
-
2022
- 2022-10-20 CN CN202222763779.5U patent/CN219402895U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113649415B (en) | Preparation process of high-strength aluminum alloy welding wire | |
| CN108411170B (en) | Preparation method of high-magnesium aluminum alloy welding wire | |
| CN110270670B (en) | Method for preparing large-size 2XXX series aluminum alloy round ingot through ultrasonic-assisted hot-top semi-continuous casting | |
| CN115351460B (en) | High-strength rare earth aluminum alloy welding wire and preparation method thereof | |
| CN101664792A (en) | Engineering process for producing low-iron low-silicon 3004 alloy by directly cast-rolling electrolytic aluminium liquid | |
| CN108546850A (en) | A kind of production method of 6101 aluminum alloy plate materials of high conductivity | |
| CN113684388B (en) | High-conductivity soft aluminum monofilament and preparation method thereof | |
| CN101624671A (en) | Large-diameter 7005 aluminum alloy round ingot and preparation method thereof | |
| WO2022228548A1 (en) | Aluminum alloy building formwork and preparation method therefor | |
| CN113388748A (en) | Continuous casting and rolling production process of 3003 aluminum alloy strip | |
| CN114807686A (en) | High-strength heat-resistant aluminum alloy monofilament and production process and application thereof | |
| CN114231802A (en) | Rare earth aluminum alloy bar for forging aluminum alloy hub and preparation method thereof | |
| CN111690855A (en) | Aluminum alloy extrusion material for bearing block and manufacturing method thereof | |
| CN110551928A (en) | Production method of 5654 aluminum alloy welding wire blank | |
| CN106636785B (en) | Preparation material and preparation method of high-strength aluminum alloy thick plate for forging hub | |
| CN114410999A (en) | Continuous casting and rolling production process of 3014 aluminum alloy plate strip | |
| CN111185578B (en) | Method for producing 5554 aluminum alloy welding wire by continuous casting and rolling | |
| CN219402895U (en) | Manufacturing equipment of Al-Zn-Mg-Cu alloy welding wire | |
| CN112662922A (en) | Regenerated deformation aluminum alloy melt | |
| CN111471878A (en) | Casting process of 4004 aluminum alloy cast ingot | |
| CN102952956B (en) | Electrolytic aluminum liquid microalloyed six-membered intermediate alloy and preparation and use method thereof | |
| CN116100189B (en) | High-strength aluminum-magnesium alloy welding wire and preparation method thereof | |
| CN112410594A (en) | Manufacturing method of 4343 aluminum alloy skin material for brazing composite material | |
| CN113385854A (en) | Welding wire for die-casting aluminum alloy and preparation method thereof | |
| CN114000020A (en) | Ingot for large-size die forging and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |