CN112404378B - Processing method of anti-bending aluminum bar composite high-strength steel wire - Google Patents
Processing method of anti-bending aluminum bar composite high-strength steel wire Download PDFInfo
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- CN112404378B CN112404378B CN202011393662.1A CN202011393662A CN112404378B CN 112404378 B CN112404378 B CN 112404378B CN 202011393662 A CN202011393662 A CN 202011393662A CN 112404378 B CN112404378 B CN 112404378B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 137
- 239000010959 steel Substances 0.000 title claims abstract description 137
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 124
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000005452 bending Methods 0.000 title claims abstract description 11
- 238000003672 processing method Methods 0.000 title claims description 6
- 238000001816 cooling Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 10
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- 239000007788 liquid Substances 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000012937 correction Methods 0.000 claims description 10
- 238000013329 compounding Methods 0.000 claims description 9
- 238000003723 Smelting Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/0401—Moulds provided with a feed head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/0403—Multiple moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1281—Vertical removing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/141—Plants for continuous casting for vertical casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/14—Casting in, on, or around objects which form part of the product the objects being filamentary or particulate in form
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- 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
- Y02P10/20—Recycling
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Abstract
The invention discloses a method for processing a bending-resistant aluminum bar composite high-strength steel wire, which comprises the following steps of: designing a composite device of an aluminum bar and a plurality of high-strength steel wires, wherein the composite device comprises a steel wire conveying mechanism, and a sprue tray, a blanking pipe, a water cooling module, a forming die and a guide die which are sequentially arranged from top to bottom, and each high-strength steel wire is conveyed by a group of steel wire conveying mechanisms; the guide die is fixedly arranged on the support, and the sprue plate, the blanking pipe, the water cooling module, the forming die and the guide die are coaxially connected into a whole; the steel wire is vertically output from the conveying mechanism from top to bottom and sequentially passes through the middle positions of the sprue plate, the blanking pipe, the water cooling module, the forming die and the guide die to the position below the support; has the advantages that: the aluminum bar and the high-strength steel wire can be compounded through the process, so that the flexural strength of the aluminum bar is improved by 5% -25%, the tensile strength of the aluminum bar is improved by 5% -30%, and the use amount of the aluminum material can be reduced by the aluminum bar with the same strength.
Description
Technical Field
The invention relates to the field of aluminum bar design, in particular to a method for processing a bending-resistant aluminum bar composite high-strength steel wire.
Background
Aluminum bars are widely used in various industries, such as manufacturing trucks, tower buildings, ships, trolleys, furniture, machine parts, such as bars for building materials, irrigation pipelines, extrusion materials for vehicles and work tables, furniture, fences and the like, and at present, the aluminum bars have low breaking strength, such as in tower buildings or ship manufacturing, aluminum bar sections with low breaking strength can reduce the service life, generally improve by adding other components, but still do not meet the use requirements, and if the diameter of the aluminum bars is too large to meet the breaking strength, a large amount of aluminum is wasted.
In the prior art, reference is made to application number 201611006402.8, the invention name is a process flow of a continuous production line of steel wire aluminum, and the process flow of the continuous production line of the steel wire aluminum is disclosed, and the process flow comprises an aluminum melting furnace, a steel wire feeding device, a pouring device, a cooler, a pulling and straightening transmission device and a shearing device, wherein a pouring water gap is arranged on the pouring device, the aluminum melting furnace and the steel wire feeding device are connected with the pouring water gap, the pouring device, the pulling and straightening transmission device, the cooler and the shearing device are sequentially connected, and the specific steps of producing steel wire aluminum products are as follows: the steel wire feeding device penetrates a steel wire into the pouring nozzle; heating and melting the aluminum ingot in an aluminum melting furnace, and injecting molten aluminum into a pouring water gap through a chute; mixing and solidifying the steel wire and the aluminum liquid at a pouring nozzle to form a steel wire aluminum bar; and (4) cooling the solidified steel wire aluminum bar in a cooler, then pulling out the steel wire aluminum bar by a straightening transmission device, and then feeding the steel wire aluminum bar into a shearing device to shear to obtain steel wire aluminum products with different lengths. Although the patent discloses a process flow of a continuous production line of steel wire aluminum, the aluminum rod produced by the process has poor quality, low production efficiency and easy oxidation in the production process.
Disclosure of Invention
The invention aims to solve the problems and provide a method for processing a fracture-resistant aluminum bar composite high-strength steel wire.
The invention realizes the purpose through the following technical scheme:
a method for processing a fracture-resistant aluminum bar composite high-strength steel wire comprises the following steps:
step (1): designing a composite device of an aluminum bar and a plurality of high-strength steel wires, wherein the composite device comprises a steel wire conveying mechanism, and a sprue gate disc, a blanking pipe, a water cooling module, a forming die and a guide die which are sequentially arranged from top to bottom, and each high-strength steel wire is conveyed by a group of steel wire conveying mechanisms; the guide die is fixedly arranged on the support, and the sprue plate, the blanking pipe, the water cooling module, the forming die and the guide die are coaxially connected into a whole;
the steel wire is vertically output from the conveying mechanism from top to bottom and sequentially passes through the middle positions of the sprue plate, the blanking pipe, the water cooling module, the forming die and the guide die to the position below the support; a traction drawing device for drawing the aluminum bar composite high-strength steel wire bar is also arranged below the support;
step (2): heating and smelting a metal furnace in a smelting furnace, refining and degassing to prepare aluminum liquid, standing the prepared aluminum liquid for 10-15 minutes, and continuously pouring the stationary aluminum liquid into a preheated pouring basin, wherein the temperature of the pouring basin is maintained at 750-800 ℃; then, the aluminum liquid in the sprue plate continuously flows into the water cooling module, the aluminum liquid is cooled and crystallized to be in a semi-solid state and is compounded with the high-strength steel wire, the traction drawing device is started, the bar compounded by the aluminum bar and the high-strength steel wire is continuously drawn from the lower part of the support, the compounding speed is 0.3m/min-0.8m/min, the aluminum bar in the semi-solid state is further cooled and molded through the molding die along with the drawing of the compounded bar, and then the molded bar compounded by the aluminum bar and the high-strength steel wire is obtained through the output of the guide die.
Preferably, the ratio of the diameter of the aluminum bar to the high-strength steel wire is 20:1, and the length of the aluminum bar and the high-strength steel wire is 1m-2 m.
Preferably, the steel wire conveying mechanism in the step (1) comprises steel wire reels, the steel wires are output from the steel wire reels and sequentially pass through a supporting roller, a straightening roller, a steering roller and a correcting sleeve to enable the steel wires to be vertically conveyed into the sprue tray, and four straightening rollers are arranged and respectively arranged at the front, the back, the left and the right of the steel wires and used for straightening the steel wires; the turning roll turns the wire feeding direction by 60 °, i.e. angle α =60 ° in the figure;
the steel wire is subjected to oxidation treatment before compounding.
Preferably, the correction sleeve comprises a steel correction sleeve body which is vertically arranged, a steel annular friction pad is nested in the correction sleeve body, a plurality of friction protrusions are uniformly arranged on the inner wall of the friction pad, and the steel wire can pass through the correction sleeve to further perform surface treatment on the steel wire.
Preferably, the upper end of the correction sleeve body is provided with a guide inclined plane.
Preferably, in the step (1), the upper end opening of the tundish is in a horn shape, the inner cavity of the tundish is a round-table cavity with a wide upper part and a narrow lower part, and a high-frequency heating coil is arranged in the outer wall of the tundish and used for heating the tundish.
Preferably, the included angle between the generatrix of the circular truncated cone cavity of the sprue plate and the bottom surface is 105-110 degrees.
Preferably, the middle cavity of the water cooling module is also a cavity of a round table cavity with a wide top and a narrow bottom, the upper end of the blanking pipe is communicated with the sprue plate, the lower end of the blanking pipe is communicated with the water cooling module, the diameter of the upper end of the round table cavity in the middle of the water cooling module is the same as that of the blanking pipe, the diameter of the lower end of the round table cavity in the middle of the water cooling module is the same as that of the forming die, and an included angle between a bus of the round table cavity in the middle of the water cooling module and the bottom surface is 105-110 degrees.
Preferably, a plurality of cooling water pipes are coiled in the inner cavity of the water cooling module, and the outer wall of the water cooling module is provided with a heat insulation layer.
Preferably, the traction drawing device comprises traction wheels positioned on two sides of the aluminum bar and high-strength steel wire composite bar, a friction groove with the same diameter as the composite bar is arranged in the middle of each traction wheel, and a friction rubber bulge is arranged in each friction groove; the shaft of traction wheel is connected with driving motor, and the side of traction wheel still is equipped with the gyro wheel, and this gyro wheel is connected with the wheel carrier through the pivot, the wheel carrier is connected with pneumatic push rod under pneumatic push rod's the effect, the gyro wheel presss from both sides tight compound rod to the traction wheel application of force for draw compound rod.
Has the advantages that: the aluminum bar and the high-strength steel wire can be compounded through the process, so that the flexural strength of the aluminum bar is improved by 5% -25%, the tensile strength of the aluminum bar is improved by 5% -30%, and the use amount of the aluminum material can be reduced by the aluminum bar with the same strength. For the processing technology in the prior art, the aluminum bar and the high-strength steel wire are vertically compounded, aluminum liquid flows downwards under the action of gravity, the aluminum liquid is sealed in the compounding process, oxidation is avoided, and the high-strength steel wire and the aluminum have high bonding strength, so that the bending strength and the tensile strength of the prepared composite bar are superior to those of the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block diagram of a compounding device of the present invention;
FIG. 2 is a structural view of a wire feed mechanism of the present invention;
FIG. 3 is a block diagram of the calibration sleeve of FIG. 2;
FIG. 4 is a drawing apparatus of the present invention;
FIG. 5 is a structural diagram of the aluminum bar composite high-strength steel wire bar of the present invention.
The reference numerals are explained below:
1. a tundish; 1a, a high-frequency heating coil; 2. a discharging pipe; 3. a water-cooling module; 4. forming a mould; 5. guiding a die; 6. a support; 7. drawing the drawing device; 7a, a traction wheel; 7b, driving a motor; 7c, a roller; 7d, a wheel carrier; 8. high-strength steel wires; 9. a steel wire conveying mechanism; 9a, a support roller; 9b, straightening rollers; 9c, a turning roll; 9d, a correction sleeve; 9d1, correction sleeve body; 9d2, friction pad; 10. an aluminum bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example (b): referring to fig. 1 to 5, the invention provides a method for processing an anti-bending aluminum bar composite high-strength steel wire, which comprises the following steps:
step (1): designing a composite device of an aluminum bar 10 and a plurality of high-strength steel wires 8, wherein the composite device comprises a steel wire conveying mechanism, a pouring basin 1, a blanking pipe 2, a water cooling module 3, a forming die 4 and a guide die 5 which are sequentially arranged from top to bottom, each high-strength steel wire 8 is conveyed by a group of steel wire conveying mechanisms 9, if 5 steel wires 8 are arranged, the 5 steel wires are uniformly distributed in the aluminum bar 10, and each high-strength steel wire 8 is conveyed to the pouring basin 1 from different directions; the guide die 5 is fixedly arranged on the support 6, and the sprue plate 1, the blanking pipe 2, the water-cooling module 3, the forming die 4 and the guide die 5 are coaxially connected into a whole. The pouring gate disc 1 is used for containing aluminum liquid, the aluminum liquid is continuously poured into the pouring gate disc 1 from a smelting furnace, the temperature of the pouring gate disc 1 can maintain the aluminum liquid to be liquid all the time, then the aluminum liquid of the pouring gate disc 1 is remained to the water cooling module 3 along the discharging pipe 2, the aluminum liquid is changed into a semi-solid state and is combined with the high-strength steel wire 8, the high-strength steel wire 8 penetrates through the pouring gate disc 1, the surface of the steel wire 8 can be combined with the aluminum liquid, and the combination strength of the steel wire 8 and the aluminum rod 10 is improved.
The steel wire 8 is vertically output from the conveying mechanism from top to bottom and sequentially passes through the middle positions of the sprue plate 1, the blanking pipe 2, the water cooling module 3, the forming die 4 and the guide die 5 to the position below the support 6; a traction drawing device 7 for drawing an aluminum bar 10 and a composite high-strength steel wire 8 bar is further arranged below the support 6; the composite rod can be pulled out by pulling the drawing device 7. The high-strength steel wires and the aluminum bars are compounded in the vertical direction, and compared with the horizontal direction, the steel wires are more convenient to arrange when a plurality of high-strength steel wires are compounded.
Step (2): heating and smelting a metal furnace in a smelting furnace, refining and degassing to prepare aluminum liquid, standing the prepared aluminum liquid for 10-15 minutes, and continuously pouring the stationary aluminum liquid into a preheated tundish 1, wherein the temperature of the tundish 1 is maintained at 750-800 ℃; then, the aluminum liquid in the sprue tray 1 continuously flows into the water cooling module 3, the aluminum liquid is cooled and crystallized to be in a semi-solid state and compounded with the high-strength steel wire 8, the traction drawing device 7 is started, a bar material compounded by the aluminum bar 10 and the high-strength steel wire 8 is continuously drawn from the lower part of the support 6, the compounding speed is 0.3m/min-0.8m/min, the aluminum bar 10 in the semi-solid state is further cooled and molded by the molding die 4 along with the drawing of the compounded bar material, and then the molded bar material of the aluminum bar 10 and the high-strength steel wire 8 is obtained through the output of the guide die 5. It should be noted that, during the initial processing, after the high-strength steel wire 8 passes through the combining device, the steel wire 8 is manually drawn to make the aluminum bar 10 extend out of the support by 62-3 meters, and then the drawing device 7 is used to draw the combined aluminum bar 10.
As a preferred embodiment of the present invention, the ratio of the diameter of the aluminum bar 10 to the high-strength steel wire 8 is 20:1, and the ratio of the diameter can satisfy the original service performance of the aluminum bar 10 and can increase the bending strength and the tensile strength. The length of the aluminum bar 10 and the high-strength steel wire 8 is 1m-2 m.
In order to facilitate conveying of the steel wire 8 and straightening of the steel wire 8, in the step (1), the steel wire conveying mechanism 9 comprises a steel wire 8 reel, the steel wire 8 is output from the steel wire 8 reel and sequentially passes through a supporting roller 9a, a straightening roller 9b, a steering roller 9c and a straightening sleeve 9d to enable the steel wire 8 to be vertically conveyed into the tundish 1, and four straightening rollers 9b are arranged and respectively arranged in front of, behind, on the left of and on the right of the steel wire 8 and used for straightening the steel wire 8; the turning roll 9c turns the wire 8 conveying direction by 60 °, i.e. angle α =60 ° in the figure; the high-strength steel wire 8 is subjected to oxidation treatment before compounding.
Specifically, the correcting sleeve 9d comprises a correcting sleeve body 9d1 which is made of steel and is vertically arranged, an annular friction pad 9d2 made of steel is embedded in the correcting sleeve body 9d1, a plurality of friction protrusions are uniformly arranged on the inner wall of the friction pad 9d2, and the steel wire 8 penetrates through the correcting sleeve 9d and can be further subjected to surface treatment. Through the outer surface friction of friction arch and steel wire 8, can further polish 8 surfaces of steel wire, improve the conjugation degree of steel wire 8 and aluminium, high strength steel wire 8 is bigger with aluminium bar bonding strength after handling twice, is favorable to improving tensile strength. And because the steering roll 9c changes the conveying direction of the steel wire 8 from the inclined upward direction to the vertical downward direction, if the steel wire 8 is slightly inclined, the processed aluminum bar 10 is longer, and the forming parallelism of the steel wire 8 and the aluminum bar 10 cannot be ensured, the correction sleeve body 9d1 is vertically arranged, the steel wire 8 can further enable the steel wire 8 to be in the vertical state after penetrating through the correction sleeve body 9d1, and the forming parallelism of the steel wire 8 and the aluminum bar 10 is improved. The structure can ensure the composite quality of the high-strength steel wire and the aluminum bar.
The upper end of the correcting sleeve body 9d1 is provided with a guide inclined plane, which is convenient for the initial steel wire 8 to enter the correcting sleeve body 9d 1.
Preferably, in the step (1), the upper end opening of the tundish 1 is in a horn shape, the inner cavity of the tundish 1 is a round platform cavity with a wide upper part and a narrow lower part, and a high-frequency heating coil 1a is arranged in the outer wall of the tundish 1 and used for heating the tundish 1 to keep the temperature of the molten aluminum.
Furthermore, an included angle between a generatrix of the circular truncated cone cavity of the sprue plate 1 and the bottom surface is 105-110 degrees. The middle cavity of the water cooling module 3 is also a cavity of a round table cavity with a wide upper part and a narrow lower part, the upper end of the blanking pipe 2 is communicated with the sprue plate 1, the lower end of the blanking pipe is communicated with the water cooling module 3, the diameter of the upper end of the round table cavity in the middle of the water cooling module 3 is the same as the diameter of the blanking pipe 2, the diameter of the lower end of the round table cavity in the middle of the water cooling module 3 is the same as that of the forming die 4, and the included angle between the bus of the round table cavity in the middle of the water cooling module 3 and the bottom surface is 105-110 degrees. The inner cavity of the water-cooling module 3 is coiled with a plurality of cooling water pipes (not shown in the figure), and the outer wall of the water-cooling module is provided with a heat-insulating layer, so that the cooling temperature in the water-cooling module 3 can be ensured. The structure is characterized in that cavities formed between the sprue plate 1 and the water cooling module 3 are round platform cavities with wide top and narrow bottom, and the structure is to ensure that the molten aluminum above is sufficient, no air is fed and the water cooling module is in an oxygen-free state; secondly, the upper part has large width and large amount of aluminum liquid, and can form pressure on the lower aluminum liquid, thereby being convenient for the molding of the aluminum liquid in the molding die 4.
Preferably, the traction drawing device 7 comprises traction wheels 7a positioned on two sides of the composite bar of the aluminum bar 10 and the high-strength steel wire 8, a friction groove with the same diameter as the composite bar is arranged in the middle of each traction wheel 7a, and a friction rubber bulge is arranged in each friction groove; the shaft of traction wheel 7a is connected with driving motor 7b, and the side of traction wheel 7a still is equipped with gyro wheel 7c, and this gyro wheel 7c is connected with wheel carrier 7d through the pivot, wheel carrier 7d is connected with pneumatic putter under pneumatic putter's effect, gyro wheel 7c presss from both sides tight compound rod to traction wheel 7a application of force clamp for draw compound rod. The roller 7c is pushed by a pneumatic push rod to press the traction wheel 7a, so that the friction groove of the traction wheel 7a is tightly attached to the compounded aluminum bar 10, and the aluminum bar 10 can be pulled slowly.
Test example:
the aluminum bar and the high-strength steel wire can be compounded by the compound processing method, so that the flexural strength of the aluminum bar is improved by 5-25%, the tensile strength of the aluminum bar is improved by 5-30%, and the use amount of the aluminum material can be reduced compared with the aluminum bar with the same strength. The experimental results of the flexural strength and the tensile strength of the aluminum bar before and after the composite high-strength steel wire are referred to tables 1 and 2 (the diameter of the aluminum bar is 100mm, the length of the aluminum bar is 1m, the diameter of the high-strength steel wire is 5mm, the length of the high-strength steel wire is 1m, and other conditions comprise that the breaking load, the pressure test speed of the load and the position of the aluminum bar supported by the flexural clamp are the same):
table 1:
table 2:
the above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (4)
1. The processing method of the anti-bending aluminum bar composite high-strength steel wire is characterized by comprising the following steps of:
step (1): designing a composite device of an aluminum bar and a plurality of high-strength steel wires, wherein the composite device comprises a steel wire conveying mechanism, and a sprue gate disc, a blanking pipe, a water cooling module, a forming die and a guide die which are sequentially arranged from top to bottom, and each high-strength steel wire is conveyed by a group of steel wire conveying mechanisms; the guide die is fixedly arranged on the support, and the sprue plate, the blanking pipe, the water cooling module, the forming die and the guide die are coaxially connected into a whole;
the steel wire is vertically output from the conveying mechanism from top to bottom and sequentially passes through the middle positions of the sprue plate, the blanking pipe, the water cooling module, the forming die and the guide die to the position below the support; a traction drawing device for drawing the aluminum bar composite high-strength steel wire bar is also arranged below the support;
the upper end opening of the sprue plate is in a horn shape, the inner cavity of the sprue plate is a round platform cavity with a wide upper part and a narrow lower part, and a high-frequency heating coil is arranged in the outer wall of the sprue plate and used for heating the sprue plate;
step (2): heating and smelting a metal furnace in a smelting furnace, refining and degassing to prepare aluminum liquid, standing the prepared aluminum liquid for 10-15 minutes, and continuously pouring the stationary aluminum liquid into a preheated pouring basin, wherein the temperature of the pouring basin is maintained at 750-800 ℃; then, continuously flowing the aluminum liquid in the sprue plate into the water cooling module, cooling and crystallizing the aluminum liquid to be in a semi-solid state and compounding the aluminum liquid with the high-strength steel wire, starting the traction drawing device, continuously drawing the bar material compounded by the aluminum bar and the high-strength steel wire from the lower part of the support at the compounding speed of 0.3m/min-0.8m/min, further cooling and molding the aluminum bar in the semi-solid state through the molding die along with the drawing of the compounded bar material, and outputting through the guide die to obtain the molded bar material of the aluminum bar compounded high-strength steel wire;
the ratio of the aluminum bar to the high-strength steel wire is 20:1, and the composite length of the aluminum bar and the high-strength steel wire is 1m-2 m;
the middle cavity of the water cooling module is also a round platform cavity with a wide upper part and a narrow lower part, the upper end of the blanking pipe is communicated with the sprue plate, the lower end of the blanking pipe is communicated with the water cooling module, the diameter of the upper end of the round platform cavity in the middle of the water cooling module is the same as the diameter of the blanking pipe, the diameter of the lower end of the round platform cavity in the middle of the water cooling module is the same as the diameter of the forming die, and the included angle between a bus of the round platform cavity in the middle of the water cooling module and the bottom surface is 105-110 degrees;
the steel wire conveying mechanism in the step (1) comprises steel wire reels, the steel wires are output from the steel wire reels and vertically conveyed into the sprue tray through the supporting rollers, the straightening rollers, the steering rollers and the correcting sleeves in sequence, and four straightening rollers are arranged and used for straightening the steel wires; the steering roller rotates the steel wire conveying direction by 60 degrees;
the steel wire is subjected to oxidation treatment before compounding;
the correcting sleeve comprises a correcting sleeve body which is made of steel and is vertically arranged, a steel annular friction pad is nested in the correcting sleeve body, a plurality of friction bulges are uniformly arranged on the inner wall of the friction pad, and the steel wire can pass through the correcting sleeve to further perform surface treatment on the steel wire;
the included angle between the generatrix of the circular truncated cone cavity of the sprue plate and the bottom surface is 105-110 degrees.
2. The method for processing the anti-bending aluminum bar composite high-strength steel wire according to claim 1, wherein the method comprises the following steps: the upper end of the correction sleeve body is provided with a guide inclined plane.
3. The processing method of the anti-bending aluminum bar composite high-strength steel wire according to claim 2, characterized by comprising the following steps of: and a plurality of cooling water pipes are coiled in the inner cavity of the water cooling module, and the outer wall of the water cooling module is provided with a heat insulation layer.
4. The processing method of the anti-bending aluminum bar composite high-strength steel wire according to claim 1, characterized by comprising the following steps of: the traction drawing device comprises traction wheels positioned on two sides of the aluminum bar and high-strength steel wire composite bar, a friction groove with the same diameter as the composite bar is arranged in the middle of each traction wheel, and a friction rubber bulge is arranged in each friction groove; the shaft of traction wheel is connected with driving motor, and the side of traction wheel still is equipped with the gyro wheel, and this gyro wheel is connected with the wheel carrier through the pivot, the wheel carrier is connected with pneumatic push rod under pneumatic push rod's the effect, the gyro wheel presss from both sides tight compound rod to the traction wheel application of force for draw compound rod.
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| CN1086323C (en) * | 1998-11-27 | 2002-06-19 | 东北大学 | Technology for casting and drawing steel-aluminum compounded electrically conductive wire |
| CN203842933U (en) * | 2014-01-16 | 2014-09-24 | 常州特发华银电线电缆有限公司 | Constant-tension screening device for aluminum-cladded steel drawn wire |
| CN104138922B (en) * | 2014-06-25 | 2016-01-06 | 湖南大学 | A kind of production equipment and process of copper cover aluminum bimetallic composite wire rod |
| CN106111931B (en) * | 2016-06-28 | 2018-06-05 | 北京科技大学 | A kind of metal clad material solid-liquid continuous casting composite forming apparatus and process |
| CN106111922B (en) * | 2016-06-28 | 2018-07-31 | 北京科技大学 | A kind of copper-coated aluminium composite material high efficiency continuous casting former and technique |
| CN106282872A (en) * | 2016-10-14 | 2017-01-04 | 张家港市新邦电力科技有限公司 | Steel wire pretreatment unit |
| CN106513602A (en) * | 2016-11-16 | 2017-03-22 | 天津炜润达新材料科技有限公司 | Continuous production line technology process of steel wire aluminum |
| CN108580578B (en) * | 2018-04-21 | 2019-05-24 | 江西新华金属制品有限责任公司 | A kind of manufacturing method of II grade of loose aluminum cald steel wire of bridge cable |
| CN109773145B (en) * | 2018-12-27 | 2021-05-07 | 北京科技大学 | High-vacuum continuous casting forming equipment and process for noble metal layered composite material |
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