CN117244712A - Copper or nickel strap surface oiling device and slitting surface oiling method thereof - Google Patents
Copper or nickel strap surface oiling device and slitting surface oiling method thereof Download PDFInfo
- Publication number
- CN117244712A CN117244712A CN202311241591.7A CN202311241591A CN117244712A CN 117244712 A CN117244712 A CN 117244712A CN 202311241591 A CN202311241591 A CN 202311241591A CN 117244712 A CN117244712 A CN 117244712A
- Authority
- CN
- China
- Prior art keywords
- oil
- copper
- nickel
- voltage
- unit
- 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.)
- Pending
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 138
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 70
- 239000010949 copper Substances 0.000 title claims abstract description 70
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000000889 atomisation Methods 0.000 claims abstract description 37
- 239000003595 mist Substances 0.000 claims abstract description 19
- 230000005686 electrostatic field Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 14
- 238000000576 coating method Methods 0.000 abstract description 14
- 239000002245 particle Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 3
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/087—Arrangements of electrodes, e.g. of charging, shielding, collecting electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/16—Arrangements for supplying liquids or other fluent material
- B05B5/1608—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses a copper or nickel strap surface oiling device and a slitting surface oiling method thereof, comprising an oiling chamber, a high-voltage electrostatic unit, an oil supply system, an atomization unit and a numerical control unit, wherein two high-voltage electrodes which are arranged in parallel are arranged in the oiling chamber, and a conveying channel capable of freely passing through a copper or nickel strap is formed between the two high-voltage electrodes; the bottom of the oil coating chamber is designed in a funnel shape, and extends to form an oil collecting cavity, and the oil collecting cavity is connected with an oil supply system through an oil pipe and an oil pump; connecting the numerical control unit with an oil supply system to control the output of the oil liquid amount; the oil supply system is connected with the atomization unit to supply oil to the atomization unit; the high-voltage electrostatic unit is connected with the high-voltage electrode and is used for generating a high-voltage electrostatic field between the high-voltage electrode and the copper or nickel belt which is grounded to enable oil to be negatively charged, the atomization unit atomizes the oil with the negative charge, and oil mist is secondarily atomized in the high-voltage electrostatic field and is adsorbed on the surface of the copper or nickel belt to form a uniform thin oil film.
Description
Technical Field
The invention relates to a technology for coating oil on the surface of a metal material, in particular to a device and a method for coating oil on the surface of a segmented copper or nickel strap by high-voltage static oil.
Background
In the special industry, special requirements are made on products, for example, the processing of the automobile oil pipe requires that the surface of the copper (nickel) strip after slitting is uniformly coated with oil, the oil coating quantity on the surface is at least 300 mg/square meter, and the subsequent copper pipe welding is not influenced after the oil film is coated. In the past, a metering pump is adopted for dripping, and the metering pump can improve the spraying efficiency in an oiling mode, but the problems of uneven coating and large paint loss exist, sometimes oil seeping phenomenon from the end face after coiling exists, and the uneven coating of the paint can generate scratch phenomenon in the transportation process, so that the service life of a wire is directly influenced.
Disclosure of Invention
The invention aims to solve the technical problems that the service life is influenced by uneven coating, high coating loss and oil seepage on the end surface and uneven surface which are easy to scratch on the surface of the copper (nickel) strip surface in the prior art. One of the technical problems is solved by adopting the following technical scheme:
the surface oiling device for the copper or nickel strap comprises an oiling chamber, a high-voltage electrostatic unit, an oil supply system, an atomization unit and a numerical control unit, wherein two high-voltage electrodes which are arranged in parallel are arranged in the oiling chamber, and a conveying channel capable of freely passing through the copper or nickel strap is formed between the two high-voltage electrodes; the bottom of the oil coating chamber is designed in a funnel shape, and extends to form an oil collecting cavity, and the oil collecting cavity is connected with an oil supply system through an oil pipe and an oil pump; connecting the numerical control unit with an oil supply system to control the output of the oil liquid amount; the oil supply system is connected with the atomization unit to supply oil to the atomization unit; the high-voltage electrostatic unit is connected with the high-voltage electrode and is used for generating a high-voltage electrostatic field between the high-voltage electrode and the copper or nickel belt which is grounded to enable oil to be negatively charged, the atomization unit atomizes the oil with the negative charge, and oil mist is secondarily atomized in the high-voltage electrostatic field and is adsorbed on the surface of the copper or nickel belt to form a uniform thin oil film.
According to the technical scheme, the high-voltage electrode of the copper or nickel strap surface oiling device and the copper or nickel strap which is grounded generate a high-voltage electrostatic field so that oil is negatively charged, the atomization unit atomizes the oil with negative charges, the residence time of oil mist in an oiling chamber is prolonged, the atomization units on two sides collide with each other relatively to generate secondary atomization, oil mist particles are finer and uniformly distributed in the oiling chamber, the high-voltage electrode on the copper or nickel strap surface ionizes air to generate negative charges, meanwhile, the oil mist particles in the oiling chamber are charged, the oil mist particle size is small and the space distribution is uniform under the effect of charge like-polarity repulsion, the charged oil mist is uniformly adsorbed on the copper or nickel strap surface of the oiling chamber, in addition, oil mist molecules which are not adsorbed on the copper or nickel strap surface flow into the oil collecting chamber along the inner wall after being implanted, the oil collecting chamber collects oil to a certain extent flows back to the oil supply system through the oil pump, and energy conservation and environmental protection are better realized.
In order to better realize the aim of the invention, the invention also has the following better scheme realization:
in some embodiments, in order to make the surface of the copper or nickel strip more uniform and charged oil mist, an atomization unit is arranged above and below the surface of the copper or nickel strip and parallel to the copper or nickel strip, the distance between the atomization unit and the surface of the copper or nickel strip is optimally 3-6cm, and the included angle a between the atomization unit and the surface of the copper or nickel strip is 30-45 degrees.
In order to enhance the universality of the equipment, the device can be suitable for oiling requirements of metal plates with different materials and sizes, and an oil film adsorbed on the surface is thinner, and an adjusting device for adjusting the distance and angle between an atomizing unit and the surface of the copper or nickel strip can be further arranged in the oiling chamber.
In order to ensure more stable high-voltage output, the high-voltage electrode is a steel saw-shaped electrode, and the high-voltage electrode is a 6-16KV high-voltage electrode. The high-voltage electrostatic source outputs negative direct current high voltage which is more than or equal to 100 KV.
In order to prevent the low-temperature oil from being frozen, a heating device can be arranged on the oil supply system to realize the constant temperature of the oil.
The invention also provides a method for coating the surface of the slit copper or nickel strip with oil, which comprises the following steps:
a. cutting the whole copper or nickel sheet into copper or nickel strips with required sizes;
b. respectively opening a high-voltage electrostatic unit, an oil supply system, a numerical control unit and an atomization unit, and conveying oil in the oil supply system to the atomization unit to perform oil-oxygen mixing at the moment to form mixed liquid, wherein the mixed liquid generates a high-voltage electrostatic field between a high-voltage electrode and a copper or nickel strap which is grounded to enable the oil to be negatively charged;
c. the atomization unit atomizes the mixed liquid with negative charges and then blows out from the nozzle;
d. the ions in the negatively charged mixed solution are atomized, secondarily atomized in a high-voltage electrostatic field and adsorbed on the surface of copper or nickel strips to form a uniform thin oil film.
Drawings
FIG. 1 is a schematic diagram of a copper or nickel strap surface oiling station of the present invention;
FIG. 2 is a schematic diagram of the structure of an adjusting device on a copper or nickel strip surface oiling device according to the invention;
reference numerals:
1. a coating chamber; 2. an oil supply system; 3. an atomizing unit; 4. a high voltage electrode; 40. a conveying channel; 5. an oil collecting cavity; 6. an oil pump; 7. an adjusting device; 71. a fixing seat; 72. a mounting hole; 73. a telescopic rod; 74. a rotating seat; 741. a screw; 75. a rubber head screw; 76. a lock nut; 100. copper or nickel strap.
Detailed Description
The present invention will be described in further detail with reference to examples.
Referring to fig. 1 and 2, the copper or nickel strap surface oiling device provided by the invention comprises an oiling chamber 1, a high-voltage electrostatic unit, an oil supply system 2, an atomization unit 3 and a numerical control unit, wherein two high-voltage electrodes 4 which are arranged in parallel are arranged in the oiling chamber 1, and a conveying channel 40 capable of freely passing through a copper or nickel strap 100 is formed between the two high-voltage electrodes 4; the lower part of the oil coating chamber 1 is designed in a funnel shape, the bottom part of the oil coating chamber extends to form an oil collecting chamber 5, and the oil collecting chamber 5 is connected with an oil storage tank of the oil supply system 2 through an oil pipe and an oil pump 6; the numerical control unit is connected with the oil supply system 2 to control the output of oil liquid quantity, and is a conventional numerical control host or a singlechip controller; the oil supply system 2 is connected with the atomization unit 3 to supply oil to the atomization unit 3, the atomization unit 3 is an atomization nozzle, the oil supply system 2 comprises an oil storage tank, an oil delivery pump, a compressed air source and an oil-gas mixing tank, the oil storage tank is connected with an oil inlet end of the oil delivery pump through an oil pipe, a control valve is connected to the oil pipe, an oil outlet end of the oil delivery pump is connected with the oil-gas mixing tank through the oil pipe, the compressed air source is connected with the oil-gas mixing tank through an air pipe, an electromagnetic valve and an air proportional valve are connected to the air pipe, and the atomization unit 3 is connected with the oil-gas mixing tank through the oil pipe or is directly arranged on the oil-gas mixing tank; the high-voltage electrostatic unit is connected with the high-voltage electrode 4, and is used for generating a high-voltage electrostatic field between the high-voltage electrode 4 and the copper or nickel strap 100 which is grounded to enable oil to be negatively charged, the atomization unit 3 atomizes the oil with the negatively charged oil, and oil mist is secondarily atomized in the high-voltage electrostatic field and is adsorbed on the surface of the copper or nickel strap 100 to form a uniform thin oil film, and the high-voltage electrostatic unit is the high-voltage electrostatic power supply.
In some embodiments, in order to make the surface of the copper or nickel strip 100 more uniformly charged with oil mist, the atomizing unit 3 is installed above and below the surface of the copper or nickel strip 100, and parallel to the copper or nickel strip 100,
in some embodiments, an adjusting device 7 for adjusting the surface distance and angle between the atomizing unit 3 and the copper or nickel strap 100 is further arranged in the oiling chamber 1, the adjusting device 7 comprises a fixed seat 71 installed on the inner wall of the oiling chamber 1, a plurality of mounting holes 72 which are arranged on one side of the fixed seat 71 and are vertically arranged in sequence, one end of a telescopic rod 73 is connected with a rotating seat 74, the other end of the telescopic rod 73 is inserted into any one of the mounting holes 72 and is abutted and fixed by screwing a rubber head screw 75, the atomizing unit 3 is fixedly connected on the rotating seat 74, a screw 741 is arranged on one side of the rotating seat 74, the screw 741 penetrates through a through hole on the telescopic rod 73 and is connected with a locking nut 76, the rotating seat 74 is locked by the locking nut 76, the rotating seat 74 can be adjusted in a rotating mode, and accordingly the outlet direction of the atomizing unit 3 is adjusted, and the rotating seat 74 can be locked by screwing the locking nut 76 at the adjusted position. The user can adjust the distance and the included angle of the atomizing unit 3 from the surface of the copper or nickel strip 100 according to the spraying requirements of the product. The distance between the atomizing unit 3 and the surface of the copper or nickel strip 100 is optimally adjusted to be 3-6cm, and the included angle between the atomizing unit 3 and the surface of the copper or nickel strip 100 is adjusted to be 30-45 degrees, so that the sprayed oil film is more uniform and thinner.
For more stable high voltage output, the high voltage electrode 4 is a saw-shaped steel electrode, and the high voltage electrode 4 is a high voltage electrode 4 of 6-16 KV. The high-voltage electrostatic source outputs negative direct current high voltage which is more than or equal to 100 KV.
In order to prevent the low-temperature oil from being frozen, a heating device, which may be a conventional semiconductor heating plate or heating wire, may be provided in the oil supply system 2 to achieve constant temperature of the oil.
The invention also provides a method for coating the surface of the slit copper or nickel strip with oil, which comprises the following steps:
a. slitting the full version of copper or nickel sheet into copper or nickel strips 100 of the desired size;
b. respectively opening a high-voltage electrostatic unit, an oil supply system 2, a numerical control unit and an atomization unit 3, and conveying oil in the oil supply system 2 to the atomization unit 3 to perform oil-oxygen mixing to form a mixed solution, wherein the mixed solution generates a high-voltage electrostatic field between a high-voltage electrode 4 and a copper or nickel strap 100 serving as ground so as to enable the oil to be negatively charged;
c. the atomization unit 3 atomizes the mixed liquid with negative charges and then blows out the mixed liquid from the nozzle;
d. the ions in the negatively charged mixture are atomized and then secondarily atomized in a high-voltage electrostatic field and adsorbed on the surface of the copper or nickel strip 100 to form a uniform thin oil film.
The high-voltage electrostatic field is generated between the high-voltage electrode of the copper or nickel strap surface oiling device and the copper or nickel strap which is grounded, so that oil is negatively charged, the atomization unit atomizes the oil with negative charge, the residence time of oil mist in an oiling chamber is prolonged, the atomization units on two sides collide with each other to generate secondary atomization relative to the sprayed oil mist, oil mist particles are finer and distributed more uniformly in the oiling chamber, the high-voltage electrode on the copper or nickel strap surface ionizes air to generate negative charge, meanwhile, the oil mist particles in the oiling chamber are charged, the oil mist particle size is small, the space distribution is uniform, the charged charges uniformly penetrate through the copper or nickel strap surface of the oiling chamber to absorb the charged oil mist layer to be thin and uniform, in addition, the oil mist molecules which are not absorbed by the copper or nickel strap surface flow into the oil collecting chamber along the inner wall after being landed on the inner wall of the oiling chamber, the oil collecting chamber collects oil to a certain extent, and the oil flows back to the oil supplying system through the oil pump, and energy conservation and environmental protection are better realized.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (8)
1. The copper or nickel strap surface oiling device comprises an oiling chamber, a high-voltage electrostatic unit, an oil supply system, an atomization unit and a numerical control unit, wherein two high-voltage electrodes which are arranged in parallel are arranged in the oiling chamber, a conveying channel capable of freely passing through a copper or nickel strap is formed between the two high-voltage electrodes, the lower part of the oiling chamber is of a funnel-shaped design, the bottom of the oiling chamber extends to form an oil collecting chamber, and the oil collecting chamber is connected with the oil supply system through an oil pipe and an oil pump; the numerical control unit is connected with the oil supply system and used for controlling the output of the oil liquid quantity; the oil supply system is connected with the atomization unit to supply oil to the atomization unit; the high-voltage electrostatic unit is connected with the high-voltage electrode, and is used for generating a high-voltage electrostatic field between the high-voltage electrode and the copper or nickel strip which is grounded to enable the oil to be negatively charged, the atomization unit atomizes the oil with the negatively charged oil, and the oil mist is secondarily atomized in the high-voltage electrostatic field and is adsorbed on the surface of the copper or nickel strip to form a uniform thin oil film.
2. The copper or nickel strap surface oiling station of claim 1, wherein: the atomizing unit is arranged above and below the copper or nickel strap surface and is parallel to the copper or nickel strap.
3. The copper or nickel strap surface oiling station of claim 2, wherein the high voltage electrode is a steel saw-shaped electrode.
4. The copper or nickel strap surface oiling station of claim 3, wherein the high voltage electrode is a 6-16KV high voltage electrode.
5. The copper or nickel strip surface oiling station of claim 3, wherein the high voltage electrostatic source outputs negative direct current high voltage of more than or equal to 100 KV.
6. The copper or nickel strip surface oiling station of claim 1, further comprising a heating device for heating the oil supply system.
7. The copper or nickel strip surface oiling device according to claim 1, wherein an adjusting device for adjusting the distance and angle between the atomizing unit and the copper or nickel strip surface is further arranged in the oiling chamber.
8. A method for realizing the surface oiling of a slit copper or nickel strip based on the surface oiling device of any one of claims 1 to 7, which is characterized in that: the method comprises the following steps:
a. cutting the whole copper or nickel sheet into copper or nickel strips with required sizes;
b. respectively opening a high-voltage electrostatic unit, an oil supply system, a numerical control unit and an atomization unit, and conveying oil in the oil supply system to the atomization unit to perform oil-oxygen mixing at the moment to form mixed liquid, wherein the mixed liquid generates a high-voltage electrostatic field between a high-voltage electrode and a copper or nickel strap which is grounded to enable the oil to be negatively charged;
c. the atomization unit atomizes the mixed liquid with negative charges and then blows out from the nozzle;
d. the ions in the negatively charged mixed solution are atomized, secondarily atomized in a high-voltage electrostatic field and adsorbed on the surface of copper or nickel strips to form a uniform thin oil film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311241591.7A CN117244712A (en) | 2023-09-23 | 2023-09-23 | Copper or nickel strap surface oiling device and slitting surface oiling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311241591.7A CN117244712A (en) | 2023-09-23 | 2023-09-23 | Copper or nickel strap surface oiling device and slitting surface oiling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117244712A true CN117244712A (en) | 2023-12-19 |
Family
ID=89136490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311241591.7A Pending CN117244712A (en) | 2023-09-23 | 2023-09-23 | Copper or nickel strap surface oiling device and slitting surface oiling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117244712A (en) |
-
2023
- 2023-09-23 CN CN202311241591.7A patent/CN117244712A/en active Pending
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