阅读说明：本技术 一种新型散热铜网及其生产工艺 (Novel heat dissipation copper mesh and production process thereof ) 是由 胡超云 于 2020-05-23 设计创作，主要内容包括：本发明提供一种新型散热铜网及其生产工艺,涉及铜丝加工技术领域。该新型散热铜网及其生产工艺,所述散热铜网由直径为0.04mm的铜丝编织制成且铜丝表面涂装有抗氧化膜,所述散热铜网的网格目数为200目,包括以下步骤：拉丝、退火、冷却风干、抗氧化处理、编织、清洗干燥和收卷包装。通过将铜杆拉丝成直径为0.04mm的铜丝,再用铜丝编织成200目的铜网,可以使铜制散热件与空气的接触面积大大增加,从而增大了铜制散热件的散热面积,使散热铜网的散热效果更好,而且通过抗氧化处理在铜丝表面制成一层抗氧化膜,使铜丝具有极强的抗氧化性能,从而可以防止铜丝制成的铜网在空气中氧化,大大延长了铜网的使用寿命,值得大力推广。(The invention provides a novel heat-dissipation copper mesh and a production process thereof, and relates to the technical field of copper wire processing. This novel heat dissipation copper mesh and production technology thereof, heat dissipation copper mesh is woven by the copper wire that the diameter is 0.04mm and is made and copper wire surface coating has the anti-oxidant membrane, the net mesh number of heat dissipation copper mesh is 200 meshes, includes the following step: drawing, annealing, cooling and air drying, antioxidation treatment, weaving, cleaning and drying, rolling and packaging. Through becoming the copper wire that the diameter is 0.04mm with the copper pole wire drawing, 200 mesh copper net are woven to the reuse copper wire, can make the area of contact greatly increased of copper radiating piece and air, thereby the heat radiating area of copper radiating piece has been increased, the radiating effect who makes the heat dissipation copper net is better, and make one deck antioxidant film on the copper wire surface through anti-oxidant processing, make the copper wire have extremely strong antioxidant property, thereby can prevent the copper net that the copper wire was made from oxidizing in the air, the life of copper net has been prolonged greatly, be worth wideling popularize.)

1. The utility model provides a novel heat dissipation copper mesh which characterized in that: the heat dissipation copper net is made of 0.04mm diameter copper wires in a weaving mode, an oxidation resistant film is coated on the surfaces of the copper wires, and the mesh number of the heat dissipation copper net is 200 meshes.

2. A novel heat dissipation copper mesh production technology is characterized in that: the method comprises the following steps:

s1. drawing wire

Firstly, sequentially performing extrusion sizing on a raw material copper rod through a plurality of wire drawing dies to finally prepare a copper wire, wherein the raw material copper rod is required to be soaked by wire drawing oil before entering the wire drawing dies each time;

s2, annealing

Annealing the copper wire at the temperature of 600-800 ℃;

s3, cooling and air drying

Firstly, cooling the annealed copper wire by using a cooling liquid, and then air-drying the copper wire;

s4, antioxidant treatment

Guiding the air-dried copper wire into an anti-oxidation tank, soaking the copper wire in an antioxidant for 3-5 min, then guiding out the copper wire, and drying the copper wire at the temperature of 180-220 ℃;

s5. weave

Weaving the copper wires subjected to the anti-oxidation treatment into a copper mesh by using a metal wire mesh weaving machine;

s6, cleaning and drying

Thoroughly cleaning the copper mesh by using pure water, and then air-drying the copper mesh;

s7. rolling package

And rolling the cleaned and dried copper mesh, and then carrying out sealing and packaging treatment to obtain the finished copper mesh.

3. The novel heat dissipation copper mesh production process according to claim 2, characterized in that: the deformation amount of each time of drawing is controlled to be 30-50%, and the deformation amount of the last drawing is controlled to be 20-30%.

4. The novel heat dissipation copper mesh production process according to claim 2, characterized in that: the PH value of the wire drawing oil is 8.2-9.2.

5. The novel heat dissipation copper mesh production process according to claim 2, characterized in that: the copper wire is in an inert gas environment filled with nitrogen during annealing and cooling and air drying.

6. The novel heat dissipation copper mesh production process according to claim 2, characterized in that: the antioxidant is a solution prepared by dissolving propylbenzene trinitrobenzene file in alcohol and then mixing the solution with deionized water according to the proportion of 1: 100, and the water temperature of the antioxidant is 30-50 ℃.

Technical Field

The invention relates to the technical field of copper wire processing, in particular to a novel heat-dissipation copper mesh and a production process thereof.

Background

Copper is the earliest metal used by human beings, and as early as prehistoric times, people begin to mine open-air copper ores and use the obtained copper to manufacture weapons, utensils and other utensils, the use of copper has a profound effect on the progress of early human civilization, copper is a metal existing in the earth crust and oceans, the content of copper in the earth crust is about 0.01%, the content of copper in individual copper deposit can reach 3% -5%, copper in nature exists mostly as compound copper minerals, the copper minerals and other minerals are polymerized into copper ores, the mined copper ores are subjected to mineral separation to become copper concentrate with high copper content, copper is the only metal capable of large natural production, and also exists in various ores (such as chalcopyrite, chalcocite, bornite, cuprite and malachite), and the copper ores can be used for industrial purposes, such as elemental metals and in the forms of brass, bronze and other alloys, Engineering technology and process.

The heat conductivity coefficient of pure copper is about 380-400W/m.K, so copper has very good heat dissipation performance, copper is often used for manufacturing heat dissipation parts such as various heat dissipation fins or heat dissipation plates and is applied to module heat dissipation of mobile phones, notebook computers or new energy batteries and the like, but along with the improvement of science and technology, the performance of electronic products such as mobile phones, notebook computers and new energy batteries is better and higher, the heat dissipation requirement is higher and higher, the heat dissipation effect of the traditional copper heat dissipation fins or copper heat dissipation plates cannot meet the higher requirement of the electronic products, and the chemical property of copper is active, and the copper is easily oxidized to generate black copper oxide or green rust when directly exposed in the air, so that the property of copper is changed, and the normal use of the copper product is influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel heat dissipation copper mesh and a production process thereof, and solves the problems of poor heat dissipation effect and easy corrosion of the existing copper heat dissipation piece.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the novel heat dissipation copper mesh is formed by weaving copper wires with the diameter of 0.04mm, an anti-oxidation film is coated on the surfaces of the copper wires, and the mesh number of the heat dissipation copper mesh is 200 meshes.

Preferably, the novel heat dissipation copper mesh production process comprises the following steps:

s1. drawing wire

Firstly, sequentially performing extrusion sizing on a raw material copper rod through a plurality of wire drawing dies to finally prepare a copper wire, wherein the raw material copper rod is required to be soaked by wire drawing oil before entering the wire drawing dies each time;

s2, annealing

Annealing the copper wire at the temperature of 600-800 ℃;

s3, cooling and air drying

Firstly, cooling the annealed copper wire by using a cooling liquid, and then air-drying the copper wire;

s4, antioxidant treatment

Guiding the air-dried copper wire into an anti-oxidation tank, soaking the copper wire in an antioxidant for 3-5 min, then guiding out the copper wire, and drying the copper wire at the temperature of 180-220 ℃;

s5. weave

Weaving the copper wires subjected to the anti-oxidation treatment into a copper mesh by using a metal wire mesh weaving machine;

s6, cleaning and drying

Thoroughly cleaning the copper mesh by using pure water, and then air-drying the copper mesh;

s7. rolling package

And rolling the cleaned and dried copper mesh, and then carrying out sealing and packaging treatment to obtain the finished copper mesh.

Preferably, the deformation amount of each drawing is controlled to be 30-50%, and the deformation amount of the last drawing is controlled to be 20-30%.

Preferably, the PH of the drawing oil is 8.2-9.2.

Preferably, the copper wire is in an inert gas atmosphere filled with nitrogen during annealing and cooling and air drying.

Preferably, the antioxidant is a solution prepared by dissolving propylbenzene triazon file in alcohol and mixing with deionized water according to the proportion of 1: 100, and the water temperature of the antioxidant is 30-50 ℃.

(III) advantageous effects

The invention provides a novel heat dissipation copper mesh and a production process thereof. The method has the following beneficial effects:

1. according to the invention, the copper rod is drawn into the copper wire with the diameter of 0.04mm, and then the copper wire is woven into the 200-mesh copper net, so that the contact area between the copper radiating piece and air can be greatly increased, and the radiating area of the copper radiating piece is increased, and because the heat conductivity coefficient of copper is fixed and unchanged, but the radiating effect of the copper product is related to the shape and size of the copper product, when the radiating area of the radiating copper net is larger, the radiating effect of the radiating copper net is better, and the higher requirement of an electronic product can be met.

2. According to the invention, the surface of the copper wire is made into a layer of anti-oxidation film through anti-oxidation treatment, so that the copper wire has extremely strong anti-oxidation performance, the copper mesh made of the copper wire can be prevented from being oxidized in the air, the service life of the copper mesh is greatly prolonged, and the method is worthy of vigorous popularization.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.