CN111957454A - Nozzle for wire and method for coating surface coating of wire - Google Patents
Nozzle for wire and method for coating surface coating of wire Download PDFInfo
- Publication number
- CN111957454A CN111957454A CN202010876926.2A CN202010876926A CN111957454A CN 111957454 A CN111957454 A CN 111957454A CN 202010876926 A CN202010876926 A CN 202010876926A CN 111957454 A CN111957454 A CN 111957454A
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- CN
- China
- Prior art keywords
- wire
- nozzle
- cleaning
- chamber
- plating
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/38—Coating with copper
Abstract
The invention discloses a nozzle for wire rods and a method for coating a surface coating of the wire rods. The wire surface coating method of the invention adopts any one of the above-mentioned nozzles for the wire in the wire spraying step. When the spray nozzle for the wire rod is used, the spray nozzle is sleeved on the wire rod, the moving wire rod in the cleaning cavity is sprayed in two directions through the two feeding pipes, one forward spray and one backward spray are carried out relative to the moving direction of the wire rod, the residual liquid after spraying is recovered through the discharging pipes, and the liquid sprays the wire rod in a closed space and cannot splash or be atomized into the air.
Description
Technical Field
The invention relates to a nozzle for a wire rod, and also relates to a method for coating a plating layer on the surface of the wire rod.
Background
Certain wire drawing powder can be attached to the surface of the steel wire after the steel wire passes through the wire drawing die, and due to surface extrusion in the reducing and drawing process, the binding force between dirt on the surface of the general welding wire and the steel wire is strong, so that certain difficulty is brought to subsequent cleaning. Before the copper-plated welding wire and the copper-free welding wire are plated (coated), the cleanliness of the surface of the welding wire directly determines the quality of the coating on the surface of the welding wire and the bonding force of the coating. In order to solve the problem of cleaning the dirt on the front surface of the welding wire coating, most production enterprises adopt a cleaning process of firstly acid and then alkali, wherein acid cleaning is used for removing rust, and alkali cleaning is used for removing grease, wire drawing powder and other dirt. Acid mist and alkali mist with high concentration can be generated in the acid washing and alkali washing processes, the harm to the health of workers is caused, a large amount of acid-base waste liquid can be generated, the discharge of the waste liquid can cause serious pollution to the environment, and the environmental problem is increasingly highlighted.
Chinese patent No. 201820658928.2 discloses a high-speed copper plating production line of welding wire, adopts high-pressure washer, and what the inside was installed is ordinary spray nozzle, only to the direction water spray washing that the welding wire came, it is little to reach the copper wire cleaning pressure, and power decay is too much when spouting the copper wire, easily forms water smoke moreover, and the cleanness that washs simultaneously remains to be improved. The copper plating adopts groove type chemical plating, the plating speed is slow, and the occupied area is large.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the nozzle for the wire rod can be used for cleaning or spraying the wire rod in a closed manner, reduces the harm of cleaning liquid or spraying liquid to the environment, and has good cleaning or spraying effect.
In order to solve the technical problem, the wire rod nozzle comprises a nozzle main body, wherein a cleaning cavity and incident channels which are positioned on two sides of the cleaning cavity and oppositely connected into the cleaning cavity are arranged in the nozzle main body, a wire rod running channel penetrating through the nozzle main body, the cleaning cavity and the two incident channels is arranged on the nozzle main body, the nozzle main body is connected with two feeding pipes and a discharging pipe, the two feeding pipes are respectively communicated with the two incident channels, and the discharging pipe is communicated with the cleaning cavity.
The one end that incident passageway and inlet pipe be connected be cyclic annular cavity, the one end that incident passageway and washing chamber are connected is the column cavity, cyclic annular cavity and column cavity pass through multichannel helical channel intercommunication, cyclic annular cavity diameter is greater than column cavity diameter. The liquid generates spiral torsion through the spiral channel to increase the spraying force.
In order to reduce the resistance of liquid movement, the spiral channel is communicated with the columnar cavity through the circular table cavity.
In order to facilitate the processing, the nozzle main body comprises a cleaning chamber and two spraying components which are respectively arranged at the two ends of the cleaning chamber, each spraying component comprises an annular throat, a nozzle core body, a connecting body, a compression nut, an adjusting nut and a locking nut, the annular throats and the nozzle core bodies are inserted into the connecting bodies, the connector is connected with the cleaning chamber through a locking nut, the nozzle core body is in threaded connection with the connector, the adjusting nut is in threaded connection with the part of the nozzle core body outside the connector and presses the end face of the connector, the compression nut is in threaded connection with one end of the nozzle core body outside the connector, a sealing ring is arranged between the compression nut and the nozzle core body, the wire rod running channel penetrates through the annular throat, the nozzle core body, the connector, the compression nut, the adjusting nut and the locking nut, the cleaning cavity is arranged in the cleaning chamber, the incident channel is arranged on the annular throat and the nozzle core body, and the discharge pipe is connected to the middle part of the cleaning chamber.
The wire surface coating method comprises a wire cleaning step and a wire spraying step, wherein any one of the wire nozzles is adopted in the wire spraying step, the wire runs in a wire running channel, plating solution is sprayed into the wire nozzle from two feeding pipes, and the plating solution is recovered from a discharging pipe.
The wire rod surface coating method comprises a wire rod cleaning step and a wire rod spraying step, wherein any one of the wire rod nozzles is adopted in the wire rod cleaning step, the wire rod runs in a wire rod running channel, cleaning liquid is sprayed into the wire rod nozzle from two feeding pipes, and the cleaning liquid is recovered from a discharging pipe.
The wire surface coating method of the invention, pass the wire rod a plurality of above-mentioned wire rod with the spray nozzle, draw the wire rod to move, from back to front in the direction of wire rod movement, the wire rod uses the spray nozzle to wash before plating, spray coating bath and wash after plating sequentially, the wire rod uses two feed pipes of the spray nozzle to spray the corresponding cleaning fluid or bath, the cleaning fluid or bath is reclaimed from the discharging pipe.
Preferably, the wire is a steel wire, the wire cleaning nozzles before plating comprise three wire nozzles for high-pressure cleaning, secondary high-pressure cleaning and high-pressure activation cleaning, the plating solution sprayed by the wire nozzles for spraying the plating solution is copper plating solution, and the wire cleaning nozzles after plating comprise three wire nozzles for high-pressure water washing, high-pressure neutralization water washing and high-pressure hot water washing.
Preferably, the wire rod is cleaned after being plated, and the wire rod further comprises the steps of drying and drawing.
Preferably, the wire is drawn to move by the spool take-up machine and the spool pay-off machine.
The invention has the beneficial effects that: when the spray nozzle for the wire rod is used, the spray nozzle is sleeved on the wire rod, the moving wire rod in the cleaning cavity is sprayed from two opposite directions through the two feeding pipes, one forward spray and one backward spray are carried out relative to the moving direction of the wire rod, the spraying is comprehensive, the spraying force is high, the spraying effect is good, the residual liquid after spraying is recovered through the discharging pipe, the liquid sprays the wire rod in a closed space, the splashing or atomization into the air is avoided, the harm of cleaning liquid or spraying liquid to the environment is reduced, and the spray nozzle is suitable for chemically cleaning or coating a surface coating on the wire rod. The wire surface coating method of the invention adopts the nozzle for cleaning or coating the wire, so that the harmful chemical cleaning solution or plating solution can not be splashed or atomized into the air in the whole process, and the cleaning solution or plating solution can be recovered, thereby protecting the environment and reducing the material waste.
Drawings
FIG. 1 is a schematic view of a full-sectional structure of a nozzle for a wire rod of the present invention;
in the figure: 1. the device comprises a compression nut, 2, a nozzle core body, 3, an adjusting nut, 4, a connecting body, 5, a feeding pipe, 6, a locking nut, 7, an annular throat, 8, a cleaning chamber, 9, a discharging pipe, 10 and a sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
The nozzle for the wire rods, as shown in fig. 1, comprises a nozzle body, wherein a cleaning cavity and incident channels which are located on two sides of the cleaning cavity and oppositely connected into the cleaning cavity are arranged in the nozzle body, a wire rod running channel which runs through the nozzle body, the cleaning cavity and the two incident channels is arranged on the nozzle body, the nozzle body is connected with two feeding pipes 5 and a discharging pipe 9, the two feeding pipes 5 are respectively communicated with the two incident channels, and the discharging pipe 9 is communicated with the cleaning cavity. The end of the incident channel connected with the feeding pipe 5 is an annular cavity, the end of the incident channel connected with the cleaning cavity is a cylindrical cavity, the annular cavity is communicated with the cylindrical cavity through a plurality of spiral channels, the spiral channels are communicated with the cylindrical cavity through a circular table cavity, and the diameter of the annular cavity is larger than that of the cylindrical cavity. So that the liquid material can be divided into a plurality of strands which are spirally coiled on the wire rod and are injected into the cleaning cavity.
As shown in fig. 1, the nozzle body comprises a cleaning chamber 8 and two injection components respectively arranged at two ends of the cleaning chamber, each injection component comprises an annular throat 7, a nozzle core 2, a connector 4, a compression nut 1, an adjusting nut 3 and a locking nut 6, the annular throat 7 and the nozzle core 2 are inserted into the connector 4, the connector 4 is connected with the cleaning chamber 8 through the locking nut 6, the nozzle core 2 is in threaded connection with the connector 4, the adjusting nut 3 is in threaded connection with the part of the nozzle core 2 outside the connector 4 and pressed on the end surface of the connector 4, the compression nut 1 is in threaded connection with one end of the nozzle core 2 outside the connector 4, a sealing ring 10 is arranged between the compression nut 1 and the nozzle core 2, a wire running channel runs through the annular throat 7, the nozzle core 2, the connector 4, the compression nut 1, the adjusting nut 3 and the locking nut 6, a cleaning cavity is arranged in the cleaning chamber 8, the inlet channel is arranged on the annular throat 7 and the nozzle core 2, and the outlet pipe 9 is connected to the middle of the cleaning chamber 8.
A method for coating the surface of wire includes such steps as providing a spool take-up machine and a spool pay-off machine, arranging multiple nozzles between said two machines at 25-35 m/s for high-pressure cleaning, secondary high-pressure cleaning, high-pressure activating cleaning, high-speed copper plating, high-pressure water washing, high-pressure neutralizing water washing and high-pressure hot water washing, and recovering the cleaning liquid or plating liquid from discharge pipe. After the wire is cleaned after being plated, the method also comprises the steps of drying and drawing the wire. The drying adopts high-frequency induction drying, and the drawing is polycrystalline drawing. And an air blowing step is also arranged between the high-pressure cleaning and the secondary high-pressure cleaning.
The process is as follows:
the high-pressure cleaning is carried out by adopting 3-6 groups of nozzles, and the matched medium DW-066 degumming cleaning agent is added into water in a volume ratio of 1: 4-10, pressure 15-25MP flow rate 500-.
The air blowing is ordinary air blowing.
Secondary high pressure cleaning, cleaning medium, tap water or recycled water, cleaning pressure 10-15MP flow 500-.
High-pressure activation spray washing, washing medium, adding 5% of activated acid salt into tap water, and washing at 10-15MP flow rate of 500-.
High-speed copper plating: adopting chemical copper plating solution: 30g/l of copper sulfate, 40g/l of sulfuric acid, DW-035 high-speed copper plating stabilizer: 1-2ml/l, temperature room temperature. The internal injection pressure is 10-15MP, the flow rate is 1500-.
Secondary high pressure cleaning, cleaning medium, tap water or recycled water, cleaning pressure 10-15MP flow 500-.
Neutralizing and washing with water under sub-high pressure, and cleaning medium, wherein the mass content of sodium carbonate liquid is 3-5%.
Washing with hot water under high pressure, washing with medium, pure water or distilled water at a temperature higher than 60 deg.
Drying: and (4) drying by a high-frequency drying device at the drying temperature of 120 ℃ until the drying is completely finished. The power is less than 10 kilowatts.
Polycrystalline drawing: drawing oil box, high-speed copper plating drawing anti-rust oil dw-036. And (4) circulating and filtering.
The feeding pipe and the discharging pipe of the wire nozzle are connected into a circulating system through the liquid storage tank and the circulating pump at the position where the wire nozzle is adopted, and the circulating system can also be added into a filtering device.
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 (10)
1. A nozzle for wire rods is characterized in that: including the nozzle main part, be provided with in the nozzle main part and wash the chamber and be located the incident passageway that washs the chamber both sides and insert in opposite directions and wash the chamber, be provided with the wire rod operation passageway who link up nozzle main part, wash chamber and two incident passageways in the nozzle main part, the nozzle main part is connected with two inlet pipes and a discharging pipe, and two inlet pipes communicate two incident passageways respectively, and the discharging pipe intercommunication washs the chamber.
2. The nozzle for wire according to claim 1, wherein: the one end that incident passageway and inlet pipe be connected be cyclic annular cavity, the one end that incident passageway and washing chamber are connected is the column cavity, cyclic annular cavity and column cavity pass through multichannel helical channel intercommunication, cyclic annular cavity diameter is greater than column cavity diameter.
3. The nozzle for wire according to claim 2, characterized in that: the spiral channel is communicated with the columnar cavity through the circular table cavity.
4. The nozzle for wire according to claim 2, characterized in that: the nozzle main body comprises a cleaning chamber and two injection components which are respectively arranged at two ends of the cleaning chamber, each injection component comprises an annular throat, a nozzle core body, a connecting body, a compression nut, an adjusting nut and a locking nut, the annular throats and the nozzle core bodies are inserted into the connecting bodies, the connector is connected with the cleaning chamber through a locking nut, the nozzle core body is in threaded connection with the connector, the adjusting nut is in threaded connection with the part of the nozzle core body outside the connector and presses the end face of the connector, the compression nut is in threaded connection with one end of the nozzle core body outside the connector, a sealing ring is arranged between the compression nut and the nozzle core body, the wire rod running channel penetrates through the annular throat, the nozzle core body, the connector, the compression nut, the adjusting nut and the locking nut, the cleaning cavity is arranged in the cleaning chamber, the incident channel is arranged on the annular throat and the nozzle core body, and the discharge pipe is connected to the middle part of the cleaning chamber.
5. A wire surface coating method is characterized in that: comprising a wire cleaning step and a wire spraying step using the nozzle for a wire according to any one of claims 1 to 4, the wire running in a wire running passage, plating liquid being sprayed from two feed pipes into the nozzle for a wire, the plating liquid being recovered from a discharge pipe.
6. A wire surface coating method is characterized in that: comprising a wire cleaning step of using the wire-use nozzle according to any one of claims 1 to 4, in which the wire runs in a wire running passage, and a wire spraying step of spraying a cleaning liquid into the wire-use nozzle from two feed pipes, and recovering the cleaning liquid from a discharge pipe.
7. A wire surface coating method is characterized in that: drawing the wire through a plurality of nozzles for wires according to any one of claims 1 to 4, the wire being moved from back to front in the direction of the wire movement, the nozzles for wires being used for pre-plating cleaning, plating solution spraying and post-plating cleaning in that order, the wire being sprayed with the respective cleaning or plating solution through two feed pipes of the nozzle, the cleaning or plating solution being recovered from the discharge pipe.
8. The method for coating a surface coating of a wire according to claim 7, wherein: the wire rod is the copper wire, and the nozzle for wire rod that is used for abluent before plating includes that the nozzle for three group wire rods that are used for high pressure cleaning, are used for inferior high pressure cleaning, are used for high pressure activation to wash, and the plating bath that the nozzle for wire rod that is used for the spraying plating bath spouts is the copper plating bath, and the nozzle for abluent wire rod after plating includes that the nozzle for three group wire rods that are used for high pressure water washing, are used for high pressure neutral water washing, are used for high pressure hot water washing.
9. The method for coating a surface coating of a wire according to claim 8, wherein: the wire rod is cleaned after being plated, and the steps of drying and drawing are further included.
10. The method for coating a surface coating of a wire according to claim 9, wherein: the wire is drawn to move by the spool take-up machine and the spool paying-off machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010876926.2A CN111957454A (en) | 2020-08-27 | 2020-08-27 | Nozzle for wire and method for coating surface coating of wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010876926.2A CN111957454A (en) | 2020-08-27 | 2020-08-27 | Nozzle for wire and method for coating surface coating of wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111957454A true CN111957454A (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010876926.2A Pending CN111957454A (en) | 2020-08-27 | 2020-08-27 | Nozzle for wire and method for coating surface coating of wire |
Country Status (1)
| Country | Link |
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| CN (1) | CN111957454A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB628466A (en) * | 1943-02-25 | 1949-08-30 | Lavorazione Mat Plast | Coated threads or the like of synthetic linear polyamide resin |
| GB811581A (en) * | 1956-08-30 | 1959-04-08 | Standard Machinery Co | Extrusion apparatus for coating wires and the like |
| DE2700709A1 (en) * | 1976-01-12 | 1977-07-14 | Westinghouse Electric Corp | WIRE CLEANER |
| JPH02252523A (en) * | 1989-03-28 | 1990-10-11 | Oki Densen Kk | Extrusion cross head for providing core wire with coating material |
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| JP2003266517A (en) * | 2002-03-12 | 2003-09-24 | Matsushita Electric Ind Co Ltd | Head for extruding core wire coated with highly viscous molten coating composition |
| US20080099942A1 (en) * | 2006-10-26 | 2008-05-01 | Shipman Yvette M | Automatic ramping method and system for extrusion coating wire |
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| CN201764787U (en) * | 2010-09-07 | 2011-03-16 | 山东腾达不锈钢制品有限公司 | Air blowing device |
| CN201880707U (en) * | 2010-12-03 | 2011-06-29 | 浙江佳博科技股份有限公司 | Cleaning device for micro-fine wire |
| CN104275330A (en) * | 2013-07-12 | 2015-01-14 | 河南理工大学 | Online cleaning device for wire |
| CN105413905A (en) * | 2015-12-10 | 2016-03-23 | 北京七星华创电子股份有限公司 | Two-phase-flow atomized-spray washing device and two-phase-flow atomized-spray washing method |
| CN208322482U (en) * | 2018-05-04 | 2019-01-04 | 杭州星冠机械科技有限公司 | A kind of welding wire high speed copper plating production line |
| CN110421819A (en) * | 2019-07-23 | 2019-11-08 | 南昌大学 | A kind of wire and cable clad extrusion die and method |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB628466A (en) * | 1943-02-25 | 1949-08-30 | Lavorazione Mat Plast | Coated threads or the like of synthetic linear polyamide resin |
| GB811581A (en) * | 1956-08-30 | 1959-04-08 | Standard Machinery Co | Extrusion apparatus for coating wires and the like |
| DE2700709A1 (en) * | 1976-01-12 | 1977-07-14 | Westinghouse Electric Corp | WIRE CLEANER |
| JPH02252523A (en) * | 1989-03-28 | 1990-10-11 | Oki Densen Kk | Extrusion cross head for providing core wire with coating material |
| US5565218A (en) * | 1996-01-03 | 1996-10-15 | Brown; Jearl D. | Center shot extrusion head for coating wire |
| JP2003217372A (en) * | 2002-01-29 | 2003-07-31 | Matsushita Electric Ind Co Ltd | Electric wire coating extruder |
| JP2003266517A (en) * | 2002-03-12 | 2003-09-24 | Matsushita Electric Ind Co Ltd | Head for extruding core wire coated with highly viscous molten coating composition |
| US20080099942A1 (en) * | 2006-10-26 | 2008-05-01 | Shipman Yvette M | Automatic ramping method and system for extrusion coating wire |
| CN101418450A (en) * | 2008-10-27 | 2009-04-29 | 江苏佳成机械有限公司 | Copper plating process of aluminum wire material |
| CN201764787U (en) * | 2010-09-07 | 2011-03-16 | 山东腾达不锈钢制品有限公司 | Air blowing device |
| CN201880707U (en) * | 2010-12-03 | 2011-06-29 | 浙江佳博科技股份有限公司 | Cleaning device for micro-fine wire |
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