CN113707370B - Self-adhesive enameled wire and production process thereof - Google Patents
Self-adhesive enameled wire and production process thereof Download PDFInfo
- Publication number
- CN113707370B CN113707370B CN202110972385.8A CN202110972385A CN113707370B CN 113707370 B CN113707370 B CN 113707370B CN 202110972385 A CN202110972385 A CN 202110972385A CN 113707370 B CN113707370 B CN 113707370B
- Authority
- CN
- China
- Prior art keywords
- parts
- self
- adhesive
- enameled wire
- wire
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
- C09D191/005—Drying oils
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/16—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying
- H01B13/165—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying by spraying
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a self-adhesive enameled wire, wherein a self-adhesive paint layer is arranged on the surface of a conductor wire core, and the formula of the self-adhesive paint layer comprises the following components in parts by weight: phenolic resin, m-cresol, glycerol, carbon black, polyamide resin, dimethylbenzene, polymethacrylate, no. 200 solvent gasoline and the like, and a production process of the self-adhesive enameled wire is also provided. Compared with the existing common self-adhesive enameled wire, the self-adhesive enameled wire has stronger scratch resistance and better slidability, so that the self-adhesive enameled wire is more similar to the requirements of the modern motor industry on the enameled wire; in addition, the steps of paying off, annealing, painting and the like are provided, and a plurality of layers of self-adhesive paint are coated on the surface of the conductor wire core through repeating the steps of painting, baking, cooling and the like, so that the enameled wire with better performance is obtained.
Description
Technical Field
The invention belongs to the technical field of self-adhesive enameled wires, and particularly relates to a self-adhesive enameled wire and a production process thereof.
Background
Enameled wire is a main variety of winding wire, which is formed by two parts of conductor and insulating layer, and bare wire is annealed and softened, painted for many times and baked. However, it is not easy to produce a product meeting both standard requirements and customer requirements, and the product is affected by factors such as raw material quality, process parameters, production equipment, environment and the like, so that the quality characteristics of various enamelled wires are different, but the enamelled wires have four properties of mechanical property, chemical property, electrical property and thermal property. Enameled wires are main raw materials of products such as motors, electric appliances, household appliances and the like, particularly the electric industry in recent years realizes continuous and rapid growth, the household appliances develop rapidly, a wider field is brought to the application of the enameled wires, and accordingly, higher requirements are put on the enameled wires. Therefore, the product structure of the enameled wire is inevitably aligned, and raw materials (copper and paint) matched with the enameled wire are also urgently required to be developed and researched, such as enamelling technology, process equipment and detection means.
The self-adhesive enameled wire is used as a special enameled wire, and the special processing property of the self-adhesive enameled wire enables the coil to be manufactured simply and easily. The wound coil is preferably formed by bonding by heating or solvent treatment, and is widely used for manufacturing electromagnetic coils having a complicated shape or without a frame. The self-adhesive enameled wire has obvious social and economic benefits, can simplify the coil forming process, improve the work efficiency, save the energy, improve the environmental pollution and is beneficial to industrial production. At present, high-speed automatic winding equipment is commonly adopted in the motor manufacturing industry to wind motor coils, so that high requirements are put forward on various mechanical properties of enameled wires, the high-speed automatic winding equipment requires that the enameled wires have certain mechanical strength, and the surfaces of the enameled wires have high wear resistance, scratch resistance and good sliding property. The conventional enameled wire can not meet the requirement, and therefore, a self-adhesive enameled wire and a production process thereof are provided for solving the problems in the prior art.
Disclosure of Invention
The invention aims to provide a self-adhesive enameled wire and a production process thereof, which are used for solving the problems in the prior art in the background art.
In order to achieve the above purpose, the invention adopts the following technical scheme: the self-adhesive enameled wire comprises a conductor wire core, wherein a self-adhesive paint layer is arranged on the surface of the conductor wire core, and the formula of the self-adhesive paint layer comprises the following components in parts by weight:
14.5 to 15.5 parts of phenolic resin, 9.5 to 10.5 parts of m-cresol, 4.5 to 5.5 parts of glycerol, 4.5 to 5.5 parts of carbon black, 4.5 to 5.5 parts of polyamide resin, 9.5 to 10.5 parts of dimethylbenzene, 1.5 to 2.5 parts of polymethacrylate, 0.5 to 1.5 parts of methyl silicone oil, 0.5 to 1.5 parts of diaminodiphenyl ether, 14.5 to 15.5 parts of tung oil, 49.5 to 50.5 parts of No. 200 solvent gasoline and 2.5 to 3.5 parts of zinc oxide.
Preferably, the conductor core is arranged to have a purity of greater than 99.95%, a conductivity of greater than 98%, and a resistivity of no greater than 0.01796 Ω mm 2 The resistivity of the soft copper is not more than 0.017241 Ω mm 2 And the elongation of the soft copper is not lower than 30 percent, and the diameter of the conductor core is 0.3-0.4 mm.
Preferably, the surface of the conductor wire core is provided with at least one layer of self-adhesive paint layer, and the thickness of one layer is 0.01mm-0.015mm.
Preferably, the formula of the self-adhesive paint layer comprises the following components in parts by weight: 14.5 parts of phenolic resin, 9.5 parts of m-cresol, 4.5 parts of glycerol, 4.5 parts of carbon black, 4.5 parts of polyamide resin, 9.5 parts of xylene, 1.5 parts of polymethacrylate, 0.5 part of methyl silicone oil, 0.5 part of diaminodiphenyl ether, 14.5 parts of tung oil, 49.5 parts of No. 200 solvent gasoline and 2.5 parts of zinc oxide.
Preferably, the formula of the self-adhesive paint layer comprises the following components in parts by weight: 15 parts of phenolic resin, 15 parts of m-cresol, 50 parts of glycerin, 3 parts of carbon black, 5 parts of polyamide resin, 5 parts of dimethylbenzene, 10 parts of polymethacrylate, 5 parts of methyl silicone oil, 10 parts of diaminodiphenyl ether, 2 parts of tung oil, 1 part of No. 200 solvent gasoline and 1 part of zinc oxide.
Preferably, the formula of the self-adhesive paint layer comprises the following components in parts by weight: 15.5 parts of phenolic resin, 10.5 parts of m-cresol, 5.5 parts of glycerol, 5.5 parts of carbon black, 5.5 parts of polyamide resin, 10.5 parts of xylene, 2.5 parts of polymethacrylate, 1.5 parts of methyl silicone oil, 1.5 parts of diaminodiphenyl ether, 15.5 parts of tung oil, 50.5 parts of No. 200 solvent gasoline and 3.5 parts of zinc oxide.
The invention also provides a production process of the self-adhesive enameled wire, which comprises the following steps:
s1, paying off, namely paying off copper materials uniformly from an iron shaft, providing raw materials and guaranteeing the painting stability, and paying off by means of a combined wire drawing machine on a high-speed machine;
s2, annealing, namely softening the bare copper wire, removing internal stress in the stretching process, rearranging molecular lattices, and enhancing softness and conductivity;
step S3, painting, namely uniformly coating the insulating paint on the bare copper wire, and taking the die or the felt as a medium;
s4, baking, namely evaporating a solvent in the coating to form a binder, and curing the binder into a film to form an insulating layer; after the solvent is evaporated, the solvent is catalyzed by a catalyst and converted into carbon dioxide and water, and a large amount of heat is released, so that the environment-friendly and energy-saving effects are realized;
s5, cooling, namely, after the wire is baked out of the furnace, the wire is high in temperature and needs to be cooled;
s6, lubricating, namely, the cooled enameled wire is required to be coated with a layer of lubricating liquid before large coiling, so that friction of wire operation is reduced when a customer uses the enameled wire, and the wire is conveniently paid off;
and S7, winding, namely after the former processes are completed, forming the enameled wire, and winding the enameled wire on a plastic shaft.
Preferably, the catalyst used in step S4 comprises an active component (platinum, palladium and their compounds) and a support (metal mesh, ceramic).
Preferably, the cooling mode in the step S5 adopts air cooling, and cold air is used for blowing and cooling the enameled wire baked out of the furnace.
Preferably, the step S3 of painting is preceded by a blending operation of the self-adhesive paint layer, and the self-adhesive paint layer is blended according to the formula of each component of the self-adhesive paint layer.
The invention has the technical effects and advantages that: compared with the prior art, the self-adhesive enameled wire and the production process thereof provided by the invention have the following advantages:
the self-adhesive enameled wire provided by the invention is a self-adhesive paint layer prepared from components such as phenolic resin, m-cresol, glycerol, carbon black, polyamide resin and the like, has good insulativity and oil resistance, has good adhesive force on copper wires and enriches the paint function, and compared with the existing common self-adhesive enameled wire, the surface of the self-adhesive enameled wire provided by the invention has stronger scratch resistance and better slidability, so that the self-adhesive enameled wire is more similar to the higher requirements of the modern motor industry on the mechanical properties of enameled wires;
in addition, the steps of paying off, annealing, painting, baking, cooling, lubricating and taking up are provided, and a plurality of layers of self-adhesive paint are coated on the surface of the conductor core through repeating the steps of painting, baking, cooling and the like, so that the enameled wire with better performance is obtained.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a schematic structural view of a self-adhesive enamel wire according to the present invention;
fig. 2 is a process flow diagram of the self-adhesive enamel wire production process of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention provides an embodiment as shown in fig. 1 and 2:
example 1
The self-adhesive enameled wire comprises a conductor wire core, wherein a self-adhesive paint layer is arranged on the surface of the conductor wire core, and the formula of the self-adhesive paint layer comprises the following components in parts by weight:
15 parts of phenolic resin, 15 parts of m-cresol, 50 parts of glycerin, 3 parts of carbon black, 5 parts of polyamide resin, 5 parts of dimethylbenzene, 10 parts of polymethacrylate, 5 parts of methyl silicone oil, 10 parts of diaminodiphenyl ether, 2 parts of tung oil, 1 part of No. 200 solvent gasoline and 1 part of zinc oxide.
The conductor core is arranged to have a purity of more than 99.95%, a conductivity of more than 98% and a resistivity of hard copper of not more than 0.01796 Ω mm 2 The resistivity of the soft copper is not more than 0.017241 Ω mm 2 And the elongation of the soft copper is not lower than 30 percent, and the diameter of the conductor core is 0.3-0.4 mm.
The surface of the conductor wire core is provided with at least one self-adhesive paint layer, and the thickness of the self-adhesive paint layer is 0.01-0.015 mm.
The invention also provides a production process of the self-adhesive enameled wire, which comprises the following steps:
s1, paying off, namely paying off copper materials uniformly from an iron shaft, providing raw materials and guaranteeing the painting stability, and paying off by means of a combined wire drawing machine on a high-speed machine;
s2, annealing, namely softening the bare copper wire, removing internal stress in the stretching process, rearranging molecular lattices, and enhancing softness and conductivity;
step S3, painting, namely uniformly coating the insulating paint on the bare copper wire, and taking the die or the felt as a medium;
s4, baking, namely evaporating a solvent in the coating to form a binder, and curing the binder into a film to form an insulating layer; after the solvent is evaporated, the solvent is catalyzed by a catalyst and converted into carbon dioxide and water, and a large amount of heat is released, so that the environment-friendly and energy-saving effects are realized;
s5, cooling, namely, after the wire is baked out of the furnace, the wire is high in temperature and needs to be cooled;
s6, lubricating, namely, the cooled enameled wire is required to be coated with a layer of lubricating liquid before large coiling, so that friction of wire operation is reduced when a customer uses the enameled wire, and the wire is conveniently paid off;
and S7, winding, namely after the former processes are completed, forming the enameled wire, and winding the enameled wire on a plastic shaft.
The catalyst used in step S4 comprises active components (platinum, palladium and their compounds) and a support (metal mesh, ceramic); the cooling mode of the step S5 adopts air cooling, and cold air is used for blowing cold to the enameled wire baked out of the furnace; and (3) the self-adhesive paint layer is prepared according to the formula of each component of the self-adhesive paint layer.
After the enamelled wire is produced, the enamelled wire can be measured in different modes, the enamelled wire is one type of cable, and the specification of the enamelled wire is expressed according to the diameter of the bare copper wire (the unit is mm). The measurement of the enamelled wire specification is actually to measure the diameter of the bare copper wire, and is generally used for micrometer measurement, the accuracy of the micrometer can reach 0.01mm, and the measurement of the enamelled wire specification (wire diameter) comprises a direct measurement method and an indirect measurement method.
Direct measurement: the direct measurement method is to directly measure the diameter of the bare copper wire, and the enamel of the enameled wire needs to be burnt off firstly, and a fire burning method is adopted. The wire diameter of the enameled wire used for the series excited motor rotor for the electric tool is very small, and the enameled wire needs to be burned for a plurality of times when burned, otherwise, the enameled wire may be burned to affect the efficiency. Wiping the burnt enamel with cloth after burning, and measuring the diameter of the bare copper wire by using a micrometer, wherein the diameter of the bare copper wire is the specification of the enameled wire; the enamel of the burnt wire can be an alcohol lamp or a candle.
Indirect measurement: the indirect measurement method is to measure the diameter of the outer circle of the enamelled copper wire (containing the enamelled leather) and then to obtain the data of the diameter of the outer circle of the enamelled copper wire (containing the enamelled leather). The method does not need to burn the enamel coating of the enameled wire, and has high efficiency. If the specific model of the enamelled copper wire can be known, the specification (wire diameter) of the enamelled wire can be checked more accurately.
Whichever method is used, the wire is straightened before measurement and then measured to ensure that the measurement is accurate. When the difference of the 3 times of measurement data is large, the time line is possibly not straightened; direct measurement is generally used for measurement of old wire (with burned-out winding removed), and indirect measurement is generally used for measurement of new winding, which is convenient and quick.
Example 2
Unlike example 1, the formulation of the self-adhesive paint layer comprises the following components in parts by weight: 14.5 parts of phenolic resin, 9.5 parts of m-cresol, 4.5 parts of glycerol, 4.5 parts of carbon black, 4.5 parts of polyamide resin, 9.5 parts of xylene, 1.5 parts of polymethacrylate, 0.5 part of methyl silicone oil, 0.5 part of diaminodiphenyl ether, 14.5 parts of tung oil, 49.5 parts of No. 200 solvent gasoline and 2.5 parts of zinc oxide.
Example 3
Unlike example 1, the formulation of the self-adhesive paint layer comprises the following components in parts by weight: 15.5 parts of phenolic resin, 10.5 parts of m-cresol, 5.5 parts of glycerol, 5.5 parts of carbon black, 5.5 parts of polyamide resin, 10.5 parts of xylene, 2.5 parts of polymethacrylate, 1.5 parts of methyl silicone oil, 1.5 parts of diaminodiphenyl ether, 15.5 parts of tung oil, 50.5 parts of No. 200 solvent gasoline and 3.5 parts of zinc oxide.
The composition ratios of examples 1-3 are shown in the following table:
to sum up: the self-adhesive enameled wire provided by the invention is a self-adhesive paint layer prepared from components such as phenolic resin, m-cresol, glycerol, carbon black, polyamide resin and the like, has good insulativity and oil resistance, has good adhesive force on copper wires and enriches the paint function, and compared with the existing common self-adhesive enameled wire, the surface of the self-adhesive enameled wire provided by the invention has stronger scratch resistance and better slidability, so that the self-adhesive enameled wire is more similar to the higher requirements of the modern motor industry on the mechanical properties of enameled wires; in addition, the steps of paying off, annealing, painting, baking, cooling, lubricating and taking up are provided, and a plurality of layers of self-adhesive paint are coated on the surface of the conductor core through repeating the steps of painting, baking, cooling and the like, so that the enameled wire with better performance is obtained.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. The self-adhesive enameled wire comprises a conductor wire core, and is characterized in that a self-adhesive paint layer is arranged on the surface of the conductor wire core, and the formula of the self-adhesive paint layer comprises the following components in parts by mass:
14.5 to 15.5 parts of phenolic resin, 9.5 to 10.5 parts of m-cresol, 4.5 to 5.5 parts of glycerol, 4.5 to 5.5 parts of carbon black, 4.5 to 5.5 parts of polyamide resin, 9.5 to 10.5 parts of dimethylbenzene, 1.5 to 2.5 parts of polymethacrylate, 0.5 to 1.5 parts of methyl silicone oil, 0.5 to 1.5 parts of diaminodiphenyl ether, 14.5 to 15.5 parts of tung oil, 49.5 to 50.5 parts of No. 200 solvent gasoline and 2.5 to 3.5 parts of zinc oxide;
the production process of the self-adhesive enameled wire comprises the following steps:
s1, paying off, namely paying off copper materials uniformly from an iron shaft, providing raw materials and guaranteeing the painting stability, and paying off by means of a combined wire drawing machine on a high-speed machine;
s2, annealing, namely softening the bare copper wire, removing internal stress in the stretching process, rearranging molecular lattices, and enhancing softness and conductivity;
step S3, painting, namely uniformly coating the insulating paint on the bare copper wire, and taking the die or the felt as a medium;
s4, baking, namely evaporating a solvent in the coating to form a binder, and curing the binder into a film to form an insulating layer; after the solvent is evaporated, the solvent is catalyzed by a catalyst and converted into carbon dioxide and water, and a large amount of heat is released, so that the environment-friendly and energy-saving effects are realized;
s5, cooling, namely, after the wire is baked out of the furnace, the wire is high in temperature and needs to be cooled;
s6, lubricating, namely, the cooled enameled wire is required to be coated with a layer of lubricating liquid before large coiling, so that friction of wire operation is reduced when a customer uses the enameled wire, and the wire is conveniently paid off;
and S7, winding, namely after the former processes are completed, forming the enameled wire, and winding the enameled wire on a plastic shaft.
2. The self-adhesive enameled wire according to claim 1 wherein: the conductor core is arranged to have a purity of more than 99.95%, a conductivity of more than 98% and a resistivity of hard copper of not more than 0.01796 Ω mm 2 The resistivity of the soft copper is not more than 0.017241 Ω mm 2 And the elongation of the soft copper is not lower than 30 percent, and the diameter of the conductor core is 0.3-0.4 mm.
3. The self-adhesive enamel wire according to claim 2, wherein: the surface of the conductor wire core is provided with at least one self-adhesive paint layer, and the thickness of the self-adhesive paint layer is 0.01-0.015 mm.
4. The self-adhesive enameled wire according to claim 1 wherein: the formula of the self-adhesive paint layer comprises the following components in parts by weight: 14.5 parts of phenolic resin, 9.5 parts of m-cresol, 4.5 parts of glycerol, 4.5 parts of carbon black, 4.5 parts of polyamide resin, 9.5 parts of xylene, 1.5 parts of polymethacrylate, 0.5 part of methyl silicone oil, 0.5 part of diaminodiphenyl ether, 14.5 parts of tung oil, 49.5 parts of No. 200 solvent gasoline and 2.5 parts of zinc oxide.
5. The self-adhesive enameled wire according to claim 1 wherein: the formula of the self-adhesive paint layer comprises the following components in parts by weight: 15 parts of phenolic resin, 15 parts of m-cresol, 50 parts of glycerin, 3 parts of carbon black, 5 parts of polyamide resin, 5 parts of dimethylbenzene, 10 parts of polymethacrylate, 5 parts of methyl silicone oil, 10 parts of diaminodiphenyl ether, 2 parts of tung oil, 1 part of No. 200 solvent gasoline and 1 part of zinc oxide.
6. The self-adhesive enameled wire according to claim 1 wherein: the formula of the self-adhesive paint layer comprises the following components in parts by weight: 15.5 parts of phenolic resin, 10.5 parts of m-cresol, 5.5 parts of glycerol, 5.5 parts of carbon black, 5.5 parts of polyamide resin, 10.5 parts of xylene, 2.5 parts of polymethacrylate, 1.5 parts of methyl silicone oil, 1.5 parts of diaminodiphenyl ether, 15.5 parts of tung oil, 50.5 parts of No. 200 solvent gasoline and 3.5 parts of zinc oxide.
7. The self-adhesive enameled wire according to claim 1 wherein: the catalyst used in the step S4 comprises an active component and a carrier, wherein the active component is platinum, palladium and a compound thereof, and the carrier is a metal screen mesh or ceramic.
8. The self-adhesive enameled wire according to claim 1 wherein: and S5, cooling by air cooling, and blowing cold air to cool the enameled wire baked out of the furnace.
9. The self-adhesive enameled wire according to claim 1 wherein: and (3) the self-adhesive paint layer is prepared according to the formula of each component of the self-adhesive paint layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110972385.8A CN113707370B (en) | 2021-08-24 | 2021-08-24 | Self-adhesive enameled wire and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110972385.8A CN113707370B (en) | 2021-08-24 | 2021-08-24 | Self-adhesive enameled wire and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113707370A CN113707370A (en) | 2021-11-26 |
| CN113707370B true CN113707370B (en) | 2023-10-10 |
Family
ID=78654209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110972385.8A Active CN113707370B (en) | 2021-08-24 | 2021-08-24 | Self-adhesive enameled wire and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113707370B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116665973B (en) * | 2023-07-27 | 2023-11-17 | 佳腾电业(赣州)股份有限公司 | Self-adhesive insulating ultrafine wire, coil and electric and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020058171A (en) * | 2000-12-29 | 2002-07-12 | 조병우 | Vanish compositon and selfbonding enameled copper wire using the same |
| CN102876227A (en) * | 2012-09-18 | 2013-01-16 | 南通东泰新能源设备有限公司 | Wire enamel |
| CN103725185A (en) * | 2013-11-25 | 2014-04-16 | 铜陵天河特种电磁线有限公司 | Wire enamel and preparation method thereof |
| CN103996466A (en) * | 2014-06-05 | 2014-08-20 | 珠海市一致电工有限公司 | Enamel covering method of fine enamel covered wires |
| CN104087153A (en) * | 2014-07-18 | 2014-10-08 | 上海晟然绝缘材料有限公司 | Polyamide enameled wire varnishes with excellent lubricity and preparation method of polyamide enameled wire varnishes |
-
2021
- 2021-08-24 CN CN202110972385.8A patent/CN113707370B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020058171A (en) * | 2000-12-29 | 2002-07-12 | 조병우 | Vanish compositon and selfbonding enameled copper wire using the same |
| CN102876227A (en) * | 2012-09-18 | 2013-01-16 | 南通东泰新能源设备有限公司 | Wire enamel |
| CN103725185A (en) * | 2013-11-25 | 2014-04-16 | 铜陵天河特种电磁线有限公司 | Wire enamel and preparation method thereof |
| CN103996466A (en) * | 2014-06-05 | 2014-08-20 | 珠海市一致电工有限公司 | Enamel covering method of fine enamel covered wires |
| CN104087153A (en) * | 2014-07-18 | 2014-10-08 | 上海晟然绝缘材料有限公司 | Polyamide enameled wire varnishes with excellent lubricity and preparation method of polyamide enameled wire varnishes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113707370A (en) | 2021-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102034570B (en) | Preparation method of glass fiber covered corona-resistant enameled rectangular wire | |
| CN101546624B (en) | 180 degree special fine self-adhesion lacquered wire and production method thereof | |
| CN102800423B (en) | Manufacturing method of corona-resistant polyimide film sintered enamelled copper strap wires | |
| CN113707370B (en) | Self-adhesive enameled wire and production process thereof | |
| CN111627618B (en) | Production and processing technology of enameled wire for automobile oil-cooled driving motor | |
| CN103514989A (en) | High heat resistance type weldable polyesterimide enameled wire and production method thereof | |
| CN108198668B (en) | Preparation method of electromagnetic wire | |
| CN109637742B (en) | Production process of tensile polyimide coil enameled wire | |
| CN103515031A (en) | Double-coated self-lubricating polyurethane enameled wire production process | |
| CN201084473Y (en) | A thermal-bonding composite copper-coated aluminum paint covered wire | |
| CN201378453Y (en) | Self-bonding polyurethane/polyamideimide composite Litz enameled wire | |
| CN205827984U (en) | High-temperature resistant enamelled wire | |
| CN111462938B (en) | Copper-coated carbon nano composite flat wire and preparation method thereof | |
| CN112349452A (en) | Low-temperature direct-welding polyester electromagnetic wire and manufacturing method thereof | |
| CN108682488A (en) | Six grades of nine slot stator of efficiency compressor, zero pin hole electromagnetic wires of high adherence | |
| CN203760104U (en) | Glass fiber-covered polyimide film reinforcing mica tape lapped wire | |
| CN201392674Y (en) | Class 180 ultrafine self-bonding enameled wire | |
| CN101645342A (en) | Inductor and molding method thereof | |
| CN218123014U (en) | Corona-resistant enameled rectangular copper wire | |
| CN212208949U (en) | 180-grade polyester-imide enameled round copper wire | |
| CN113257479B (en) | Polyesterimine enameled wire and preparation method thereof | |
| CN208622463U (en) | 155 grades of polyester enamelled copper round wire of starting motor of automobile | |
| CN207966503U (en) | High heat-resisting corona enamel-cover rectangular winding wire | |
| CN102163479A (en) | Device for manufacturing enameled copper flat wire for wind driven generator by die method | |
| CN203150204U (en) | Polyamide-imide enameled flat copper wire coated with DuPont double-layer paint film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |