阅读说明：本技术 一种抗氧化合金线及其制备工艺 (Antioxidant alloy wire and preparation process thereof ) 是由 王寿银 邢鸿伟 邢璧凡 邢璧元 于 2020-04-15 设计创作，主要内容包括：本发明公开了一种抗氧化合金线及其制备工艺,涉及合金线技术领域。本发明包括以下组分：铝、锡、镁及铜；其中,上述组分含量按照以下重量比：镁2.5％～3.5％,铝3％～5％,铜12％～18％,银1.5％～2.5％,金0.5％～1.5％,余量为锡。本发明通过在铝合金线中加入铜、金、银等导电性较强的金属,全面提升铝合金的导电性,并同时降低使用导电性金属强的铜金属线的成本,并且加入的锡、镁等合金提高率合金的材质性能,便于拉伸、弯曲,不易折断,并通过在铝合金表面喷涂抗氧化层和保护层,提高该铝合金线的使用寿命。(The invention discloses an antioxidant alloy wire and a preparation process thereof, and relates to the technical field of alloy wires. The invention comprises the following components: aluminum, tin, magnesium and copper; wherein, the contents of the components are as follows by weight ratio: 2.5 to 3.5 percent of magnesium, 3 to 5 percent of aluminum, 12 to 18 percent of copper, 1.5 to 2.5 percent of silver, 0.5 to 1.5 percent of gold and the balance of tin. According to the invention, the metal with stronger conductivity, such as copper, gold and silver, is added into the aluminum alloy wire, so that the conductivity of the aluminum alloy is comprehensively improved, the cost of using the metal copper wire with stronger conductivity is reduced, the added alloy, such as tin and magnesium, improves the material performance of the alloy, is convenient to stretch and bend and is not easy to break, and the service life of the aluminum alloy wire is prolonged by spraying the oxidation resistant layer and the protective layer on the surface of the aluminum alloy.)

1. An oxidation-resistant alloy wire, characterized in that: comprises the following components: aluminum, tin, magnesium and copper; wherein, the contents of the components are as follows by weight ratio: 2.5 to 3.5 percent of magnesium, 3 to 5 percent of aluminum, 12 to 18 percent of copper, 1.5 to 2.5 percent of silver, 0.5 to 1.5 percent of gold and the balance of tin.

2. The process for preparing an oxidation resistant alloy wire according to claim 1, comprising the steps of:

the method comprises the following steps: weighing 2.5-3.5% of magnesium, 3-5% of aluminum, 12-18% of copper, 1.5-2.5% of silver, 0.5-1.5% of gold and the balance of tin according to weight percentage;

step two: putting the weighed metals into a crucible in sequence according to the melting point, placing the crucible in a vacuum melting furnace, vacuumizing the vacuum melting furnace, filling inert protective gas for cleaning, and then heating the vacuum melting furnace until the metals are completely molten;

step three: pouring the molten mixed metal liquid obtained in the step into a mould, and cooling to a certain temperature for forming;

step four: primarily stretching and forming the primarily cooled metal piece in the third step;

step five: after the primary drawing forming in the fourth step, carrying out heat treatment, and then carrying out rough drawing, intermediate drawing, heat treatment and fine drawing;

step six: and D, mounting the fine-drawn wire coil obtained in the fifth step on a pay-off machine, and annealing the wire coil from the pay-off machine through a tube type annealing furnace.

Step seven: the wire coil after the annealing treatment of the pipe-type annealing furnace is unfolded on a pay-off machine, and the wire passes through an electroplating pool section by section to be aluminized;

step eight: and (4) performing paint spraying treatment on the electroplated silk thread, drying the silk thread by a dryer, and then performing bundling and vacuum packaging.

3. The process for preparing an oxidation resistant alloy wire according to claim 1, wherein the inert shielding gas is one or a mixture of helium, neon and argon.

4. The process for preparing an oxidation resistant alloy wire according to claim 1, wherein when the molten metal is melted in the vacuum melting furnace, a stirring device is used for stirring to remove air in the liquid.

5. The process according to claim 4, wherein the stirring device intermittently stirs the molten metal and cleans dross floating on the surface of the molten metal during the intermittent stirring.

6. The process for preparing an oxidation-resistant alloy wire according to claim 2, wherein the painting treatment in the eighth step sprays a layer of oxidation-resistant paint and a layer of protective paint on the peripheral surface of the wire.

Technical Field

The invention belongs to the technical field of alloy wires, and particularly relates to an antioxidant alloy wire and a preparation process thereof.

Background

In the prior art, the electronic communication alloy wire is made of copper material, and although the copper material has lower resistivity and better ductility, the oxidation resistance is poorer, but China lacks copper material and has higher production cost. Aluminum-magnesium and other materials are abundant in resources in China, and an aluminum alloy wire is a good method for saving production cost when being used as an electronic communication alloy wire, but the aluminum alloy material has poor conductivity, and the performance of the material after being formed into the wire is greatly different from that of a copper alloy wire, so that the aluminum alloy metal has high conductivity.

Disclosure of Invention

The invention aims to provide an antioxidant alloy wire and a preparation process thereof, and solves the problems of poor conductivity and material performance of the conventional aluminum alloy wire.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an antioxidant alloy wire, which comprises the following components: aluminum, tin, magnesium and copper; wherein, the contents of the components are as follows by weight ratio: 2.5 to 3.5 percent of magnesium, 3 to 5 percent of aluminum, 12 to 18 percent of copper, 1.5 to 2.5 percent of silver, 0.5 to 1.5 percent of gold and the balance of tin.

A preparation process of an antioxidant alloy wire comprises the following steps:

the method comprises the following steps: weighing 2.5-3.5% of magnesium, 3-5% of aluminum, 12-18% of copper, 1.5-2.5% of silver, 0.5-1.5% of gold and the balance of tin according to weight percentage;

step two: putting the weighed metals into a crucible in sequence according to the melting point, placing the crucible in a vacuum melting furnace, vacuumizing the vacuum melting furnace, filling inert protective gas for cleaning, and then heating the vacuum melting furnace until the metals are completely molten;

step three: pouring the molten mixed metal liquid obtained in the step into a mould, and cooling to a certain temperature for forming;

step four: primarily stretching and forming the primarily cooled metal piece in the third step;

step five: after the primary drawing forming in the fourth step, carrying out heat treatment, and then carrying out rough drawing, intermediate drawing, heat treatment and fine drawing;

step six: placing the fine-drawn wire coil obtained in the fifth step on a pay-off machine, and annealing the wire coil from the pay-off machine through a tube type annealing furnace;

step seven: the wire coil after the annealing treatment of the pipe-type annealing furnace is unfolded on a pay-off machine, and the wire passes through an electroplating pool section by section to be aluminized;

step eight: and (4) performing paint spraying treatment on the electroplated silk thread, drying the silk thread by a dryer, and then performing bundling and vacuum packaging.

Further, the inert protective gas is one or a mixture of several of helium, neon and argon.

Further, when the liquid in the molten state is melted in the metal vacuum melting furnace, stirring is performed by using a stirring device, and air in the liquid is removed.

Further, the stirring apparatus intermittently stirs and cleans dross floating on the surface of the molten metal at the time of the intermittence of the stirring.

Further, the painting treatment in the step eight is to spray an antioxidant paint layer and a protective paint layer on the peripheral surface of the metal wire.

The invention has the following beneficial effects:

according to the invention, the metal with stronger conductivity such as copper, gold and silver is added into the tin alloy wire, so that the conductivity of the tin alloy is comprehensively improved, the cost of using the metal with stronger conductivity metal such as copper wire is reduced, the added alloy such as tin and magnesium improves the material performance of the alloy, the alloy is convenient to stretch and bend and is not easy to break, and the service life of the tin alloy wire is prolonged by spraying the oxidation resistant layer and the protective layer on the surface of the tin alloy.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention relates to an antioxidant alloy wire, which comprises the following components: aluminum, tin, magnesium and copper; wherein, the contents of the components are as follows by weight ratio: 2.5 to 3.5 percent of magnesium, 3 to 5 percent of aluminum, 12 to 18 percent of copper, 1.5 to 2.5 percent of silver, 0.5 to 1.5 percent of gold and the balance of tin.

A preparation process of an antioxidant alloy wire comprises the following steps:

the method comprises the following steps: weighing 2.5-3.5% of magnesium, 3-5% of aluminum, 12-18% of copper, 1.5-2.5% of silver, 0.5-1.5% of gold and the balance of tin according to weight percentage;

step two: putting the weighed metals into a crucible in sequence according to the melting point, placing the crucible in a vacuum melting furnace, vacuumizing the vacuum melting furnace, filling inert protective gas for cleaning, and then heating the vacuum melting furnace until the metals are completely molten;

step three: pouring the molten mixed metal liquid obtained in the step into a mould, and cooling to a certain temperature for forming;

step four: primarily stretching and forming the primarily cooled metal piece in the third step;

step five: after the primary drawing forming in the fourth step, carrying out heat treatment, and then carrying out rough drawing, intermediate drawing, heat treatment and fine drawing;

step six: placing the fine-drawn wire coil obtained in the fifth step on a pay-off machine, and annealing the wire coil from the pay-off machine through a tube type annealing furnace;

step seven: the wire coil after the annealing treatment of the pipe-type annealing furnace is unfolded on a pay-off machine, and the wire passes through an electroplating pool section by section to be aluminized;

step eight: and (4) performing paint spraying treatment on the electroplated silk thread, drying the silk thread by a dryer, and then performing bundling and vacuum packaging.

Wherein, the inert protective gas is one or a mixture of several of helium, neon and argon.

When the liquid in a molten state is melted in the metal vacuum melting furnace, stirring equipment is required to be used for stirring, and air in the liquid is removed.

Wherein the stirring device intermittently stirs and cleans dross floating on the surface of the molten metal when the stirring is intermittent.

And step eight, spraying an anti-oxidation paint layer and a protective paint layer on the peripheral surface of the metal wire in the paint spraying treatment.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.