CN111822531A - Novel aluminum wire drawing process - Google Patents
Novel aluminum wire drawing process Download PDFInfo
- Publication number
- CN111822531A CN111822531A CN202010471978.1A CN202010471978A CN111822531A CN 111822531 A CN111822531 A CN 111822531A CN 202010471978 A CN202010471978 A CN 202010471978A CN 111822531 A CN111822531 A CN 111822531A
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- CN
- China
- Prior art keywords
- wire drawing
- oil
- wire
- aluminum
- aluminum material
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/12—Die holders; Rotating dies
- B21C3/14—Die holders combined with devices for guiding the drawing material or combined with devices for cooling heating, or lubricating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C43/00—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass
- B21C43/02—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass combined with or specially adapted for use in connection with drawing or winding machines or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C43/00—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass
- B21C43/02—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass combined with or specially adapted for use in connection with drawing or winding machines or apparatus
- B21C43/04—Devices for de-scaling wire or like flexible work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
- B21C9/005—Cold application of the lubricant
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention relates to a novel aluminum wire drawing process, which comprises the following steps: step A: putting the aluminum material into a cleaning agent for cleaning for 20-40min, and removing rust and oxides on the surface of the aluminum material; and B: putting the aluminum material into phosphate solution, and soaking for 20-50 min; and C: cleaning a wire drawing die box, drawing the aluminum material in a wire drawing machine, preparing dies according to equipment and wire outlet diameter, winding a round aluminum rod on the surface of each drum wheel as a wire inlet, and introducing wire drawing oil and wire drawing liquid into the drum wheels for cooling and lubricating; step D: and (3) putting the drawn aluminum wire into a vacuum furnace for heating, annealing and then taking up the wire. The front section is provided with the aqueous wiredrawing liquid and the rear end is provided with the oily wiredrawing oil, and the two cooling systems are completely independent and do not influence each other, so that the cost is reduced well, fire hazard is reduced, and the consistent surface quality of various aluminum wire outgoing lines can be ensured to achieve the same effect of using the wiredrawing oil independently.
Description
Technical Field
The invention relates to the technical field of aluminum wire drawing, in particular to a novel aluminum wire drawing process.
Background
The aluminum wire has the advantages of low cost, easy production, high expansion coefficient and the like, and is widely applied to the cable industry. However, the problems commonly existing in the wire drawing process of the aluminum wire are as follows: the aluminum wire is easy to break due to small tensile strength, and the wire drawing oil/liquid in the wire drawing process is required to have very good lubricating property. The traditional aluminum wire drawing machine uses pure oil drawing oil, and although the lubricating performance requirement of drawing can be met, the oil drawing oil has poor cooling performance and large field smoke, and is very easy to generate fire risk. Although some aqueous aluminum drawing fluids are available on the market that have satisfactory lubricity. However, for wire rods such as aluminum enameled wires, which have high requirements on surface smoothness, the aqueous drawing fluid has too strong polarity and insufficient adhesion force, and cannot achieve the oily effect.
Therefore, a new wire drawing process needs to be developed, which can use the lubricating property of the water-based aluminum wire drawing liquid to greatly reduce the fire hazard and use the surface smoothness of the wire drawing oil, and is a brand new mixed wire drawing process.
Disclosure of Invention
The invention aims to provide a novel aluminum wire drawing process to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a novel aluminum wire drawing process comprises the following process steps:
step A: putting the aluminum material into a cleaning agent for cleaning for 20-40min, and removing rust and oxides on the surface of the aluminum material;
and B: putting the aluminum material into phosphate solution, and soaking for 20-50 min;
and C: cleaning up the inside of a wire drawing die box, drawing the aluminum material in a wire drawing machine, wherein the wire drawing machine consists of an oil pool, an oil groove, a drum wheel, the die box, a wire drawing device, a wire collecting device and a wire releasing device, the die is matched according to equipment and a wire outlet diameter, a round aluminum rod is wound on the surface of each drum wheel to be used as a wire inlet, and wire drawing oil and wire drawing liquid are led into the drum wheels to cool and lubricate. The wire drawing oil and the wire drawing liquid in the oil groove are supplied to a die by a pump through a circulating system to achieve the lubricating and cooling effects;
step D: and (3) putting the drawn aluminum wire into a vacuum furnace for heating, annealing and then taking up the wire.
Preferably, the wire drawing machine is a horizontal non-sliding accumulation type wire drawing machine.
Preferably, the drawing fluid comprises the following raw materials in parts by weight: 12 parts of self-emulsifying ester lubricant, 2 parts of neodecanoic acid, 6 parts of boric acid diethanol amine ester, 6 parts of polyethylene glycol PEG200, 6 parts of antirust agent, 2 parts of diethylene glycol monobutyl ether coupling agent, 0.4 part of hard water resisting agent, 3 parts of aluminum phosphate corrosion inhibitor, 0.044 part of organic silicon defoaming agent and the balance of base oil.
Preferably, the antirust agent is one of potassium sebacate or sodium dodecanedioate.
Preferably, the self-emulsifying ester lubricant is synthesized from trimer acid isooctyl alcohol.
Preferably, in the step C, aluminum material with a diameter of 8mm is selected for cold wire drawing, the diameters after wire drawing are respectively 2.8mm, 3.2mm, 36mm and 4.0mm, and the cold wire drawing is respectively formed by adopting the following steps:
8 to 7 to 6 to 5.5 to 5 to 4.5 to 4 to 3.5 to 3 to 2.8, the diameter unit is mm, and the wire drawing speed is 5 m/s;
8 to 6 to 5.5 to 5 to 4.5 to 4 to 3.2, the diameter unit is mm, and the wire drawing speed is 5 m/s;
8 to 6 to 5.5 to 5 to 4.5 to 4.0 to 3.6, the diameter unit is mm, and the wire drawing speed is 5 m/s;
8 to 6 to 5.5 to 5 to 4.5 to 4.0, the diameter unit is mm, and the drawing speed is 5 m/s.
Preferably, two completely independent cooling liquid circulating systems are adopted in the step C, the front section die circulating system uses water-based wire drawing liquid, one or more dies in front of the rear section sizing die use oil-based wire drawing oil, the two independent circulating systems respectively comprise an oil pool, an oil storage tank, an oil supply pipe and an oil return pipe, and an oil pump and an oil quantity control switch are sequentially connected in series on the oil supply pipeline between the oil pool and the oil storage tank of the wire drawing machine.
Preferably, the front section 10 die circulation system uses water-based wire drawing liquid, and the rear section 3 die uses oil-based wire drawing oil.
Compared with the prior art, the invention has the beneficial effects that:
1. the front section is provided with the aqueous wiredrawing liquid and the rear end is provided with the oily wiredrawing oil, and the two cooling systems are completely independent and do not influence each other, so that the cost is reduced well, fire hazard is reduced, and the consistent surface quality of various aluminum wire outgoing lines can be ensured to achieve the same effect of using the wiredrawing oil independently.
2. The use of drawing oil is reduced, the maximum benefit of the water-based aluminum drawing liquid is fully exerted, and the site environmental pollution and the fire hazard are reduced.
3. The surface quality of the aluminum wire produced by the new process is consistent with that of the oily wire drawing oil, and the appearance and the subsequent processing are not influenced. The novel process related to the patent is that a traditional wire drawing oil/liquid circulating system is uniformly divided into two completely independent systems, the structure of each circulating system is consistent with the traditional structure, a front-section circulating system adopts water-based wire drawing liquid, and a rear-end system adopts wire drawing oil for cooling. Ensuring the surface quality of the drawn aluminum wire to be completely consistent with that of the drawing oil used alone.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, 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.
In this embodiment, a novel aluminum wire drawing process includes the following process steps:
step A: putting the aluminum material into a cleaning agent for cleaning for 20-40min, and removing rust and oxides on the surface of the aluminum material;
and B: putting the aluminum material into phosphate solution, and soaking for 20-50 min;
and C: cleaning up the inside of a wire drawing die box, drawing the aluminum material in a wire drawing machine, wherein the wire drawing machine consists of an oil pool, an oil groove, a drum wheel, the die box, a wire drawing device, a wire collecting device and a wire releasing device, the die is matched according to equipment and a wire outlet diameter, a round aluminum rod is wound on the surface of each drum wheel to be used as a wire inlet, and wire drawing oil and wire drawing liquid are led into the drum wheels to cool and lubricate. The wire drawing oil and the wire drawing liquid in the oil groove are supplied to a die by a pump through a circulating system to achieve the lubricating and cooling effects;
step D: and (3) putting the drawn aluminum wire into a vacuum furnace for heating, annealing and then taking up the wire.
The wire drawing machine adopts a horizontal non-sliding accumulation type wire drawing machine.
The wire drawing liquid comprises the following raw materials in parts by weight: 12 parts of self-emulsifying ester lubricant, 2 parts of neodecanoic acid, 6 parts of boric acid diethanol amine ester, 6 parts of polyethylene glycol PEG200, 6 parts of antirust agent, 2 parts of diethylene glycol monobutyl ether coupling agent, 0.4 part of hard water resisting agent, 3 parts of aluminum phosphate corrosion inhibitor, 0.044 part of organic silicon defoaming agent and the balance of base oil.
The rust inhibitor is one of potassium sebacate or sodium dodecanedioate.
The self-emulsifying ester lubricant is synthesized from trimer acid isooctyl alcohol.
And C, selecting an aluminum material with the diameter of 8mm for cold wire drawing, wherein the diameters of the drawn aluminum material are respectively 2.8mm, 3.2mm, 36mm and 4.0mm, and the drawn aluminum material is formed by respectively adopting the following procedures:
8 to 7 to 6 to 5.5 to 5 to 4.5 to 4 to 3.5 to 3 to 2.8, the diameter unit is mm, and the wire drawing speed is 5 m/s;
8 to 6 to 5.5 to 5 to 4.5 to 4 to 3.2, the diameter unit is mm, and the wire drawing speed is 5 m/s;
8 to 6 to 5.5 to 5 to 4.5 to 4.0 to 3.6, the diameter unit is mm, and the wire drawing speed is 5 m/s;
8 to 6 to 5.5 to 5 to 4.5 to 4.0, the diameter unit is mm, and the drawing speed is 5 m/s.
And step C, two completely independent cooling liquid circulating systems are adopted, the water-based wire drawing liquid is used in the front-section die circulating system, oil-based wire drawing oil is used in one or more dies in front of the rear-section sizing die, the two independent circulating systems respectively comprise an oil pool, an oil storage tank, an oil supply pipe and an oil return pipe, and an oil pump and an oil quantity control switch are sequentially connected in series on the oil supply pipeline between the oil pool and the oil storage tank of the wire drawing machine.
The front section 10 die circulating system uses water-based wire drawing liquid, and the rear section 3 die uses oil-based wire drawing oil.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A novel aluminum wire drawing process is characterized by comprising the following process steps:
step A: putting the aluminum material into a cleaning agent for cleaning for 20-40min, and removing rust and oxides on the surface of the aluminum material;
and B: putting the aluminum material into phosphate solution, and soaking for 20-50 min;
and C: cleaning up the inside of a wire drawing die box, drawing the aluminum material in a wire drawing machine, wherein the wire drawing machine consists of an oil pool, an oil groove, a drum wheel, the die box, a wire drawing device, a wire collecting device and a wire releasing device, the die is matched according to equipment and a wire outlet diameter, a round aluminum rod is wound on the surface of each drum wheel to be used as a wire inlet, and wire drawing oil and wire drawing liquid are led into the drum wheels to cool and lubricate. The wire drawing oil and the wire drawing liquid in the oil groove are supplied to a die by a pump through a circulating system to achieve the lubricating and cooling effects;
step D: and (3) putting the drawn aluminum wire into a vacuum furnace for heating, annealing and then taking up the wire.
2. The novel aluminum drawing process according to claim 1, wherein the drawing machine is a horizontal non-sliding accumulation type drawing machine.
3. The novel aluminum wire drawing process according to claim 1, wherein the wire drawing liquid comprises the following raw materials in parts by weight: 12 parts of self-emulsifying ester lubricant, 2 parts of neodecanoic acid, 6 parts of boric acid diethanol amine ester, 6 parts of polyethylene glycol PEG200, 6 parts of antirust agent, 2 parts of diethylene glycol monobutyl ether coupling agent, 0.4 part of hard water resisting agent, 3 parts of aluminum phosphate corrosion inhibitor, 0.044 part of organic silicon defoaming agent and the balance of base oil.
4. The novel aluminum drawing process according to claim 3, wherein: the antirust agent is one of potassium sebacate or sodium dodecanedioate.
5. The novel aluminum drawing process according to claim 3, wherein: the self-emulsifying ester lubricant is synthesized from trimer acid isooctyl alcohol.
6. The novel aluminum drawing process according to claim 1, wherein: and C, selecting an aluminum material with the diameter of 8mm for cold wire drawing, wherein the diameters of the drawn aluminum material are respectively 2.8mm, 3.2mm, 3.6mm and 4.0mm, and the drawn aluminum material is formed by respectively adopting the following procedures:
8 to 7 to 6 to 5.5 to 5 to 4.5 to 4 to 3.5 to 3 to 2.8, the diameter unit is mm, and the wire drawing speed is 5 m/s;
8 to 6 to 5.5 to 5 to 4.5 to 4 to 3.2, the diameter unit is mm, and the wire drawing speed is 15 m/s;
8 to 6 to 5.5 to 5 to 4.5 to 4.0 to 3.6, the diameter unit is mm, and the wire drawing speed is 15 m/s;
8 to 6 to 5.5 to 5 to 4.5 to 4.0, the diameter unit is mm, and the wire drawing speed is 15 m/s.
7. The novel aluminum drawing process according to claim 1, wherein: and step C, two completely independent cooling liquid circulating systems are adopted, the water-based wire drawing liquid is used in the front-section die circulating system, oil-based wire drawing oil is used in one or more dies before the rear-section sizing die, the two independent circulating systems respectively comprise an oil pool, an oil storage tank, an oil supply pipe and an oil return pipe, and an oil pump and an oil quantity control switch are sequentially connected in series on the oil supply pipeline between the oil pool and the oil storage tank of the wire drawing machine.
8. The novel aluminum drawing process according to claim 1, wherein: the front section 10 die circulating system uses water-based wire drawing liquid, and the rear section 3 die uses oil-based wire drawing oil.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010471978.1A CN111822531A (en) | 2020-05-29 | 2020-05-29 | Novel aluminum wire drawing process |
| PCT/CN2021/077379 WO2021238309A1 (en) | 2020-05-29 | 2021-02-23 | New process for aluminum wire drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010471978.1A CN111822531A (en) | 2020-05-29 | 2020-05-29 | Novel aluminum wire drawing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111822531A true CN111822531A (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010471978.1A Pending CN111822531A (en) | 2020-05-29 | 2020-05-29 | Novel aluminum wire drawing process |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111822531A (en) |
| WO (1) | WO2021238309A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331506A (en) * | 2021-06-09 | 2021-09-03 | 云南铝业股份有限公司 | Production method of aluminum nose bridge flat wire |
| CN113351660A (en) * | 2021-05-20 | 2021-09-07 | 常州特发华银电线电缆有限公司 | Drawing method for improving elongation of aluminum-clad steel single wire |
| WO2021238311A1 (en) * | 2020-05-29 | 2021-12-02 | 安美科技股份有限公司 | Water-based aluminum wire drawing liquid and use method thereof |
| WO2021238309A1 (en) * | 2020-05-29 | 2021-12-02 | 安美科技股份有限公司 | New process for aluminum wire drawing |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669614A (en) * | 2022-03-15 | 2022-06-28 | 浙江威迩钠科技有限公司 | High-strength steel wire drawing process with excellent drawing property |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238311A1 (en) * | 2020-05-29 | 2021-12-02 | 安美科技股份有限公司 | Water-based aluminum wire drawing liquid and use method thereof |
| WO2021238309A1 (en) * | 2020-05-29 | 2021-12-02 | 安美科技股份有限公司 | New process for aluminum wire drawing |
| CN113351660A (en) * | 2021-05-20 | 2021-09-07 | 常州特发华银电线电缆有限公司 | Drawing method for improving elongation of aluminum-clad steel single wire |
| CN113351660B (en) * | 2021-05-20 | 2022-09-02 | 常州特发华银电线电缆有限公司 | Drawing method for improving elongation of aluminum-clad steel single wire |
| CN113331506A (en) * | 2021-06-09 | 2021-09-03 | 云南铝业股份有限公司 | Production method of aluminum nose bridge flat wire |
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| Publication number | Publication date |
|---|---|
| WO2021238309A1 (en) | 2021-12-02 |
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Application publication date: 20201027 |
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