CN113363019A - Manufacturing method of ultra-fine flat enameled wire - Google Patents
Manufacturing method of ultra-fine flat enameled wire Download PDFInfo
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- CN113363019A CN113363019A CN202110859147.6A CN202110859147A CN113363019A CN 113363019 A CN113363019 A CN 113363019A CN 202110859147 A CN202110859147 A CN 202110859147A CN 113363019 A CN113363019 A CN 113363019A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 239000004020 conductor Substances 0.000 claims abstract description 113
- 239000003973 paint Substances 0.000 claims abstract description 51
- 239000010410 layer Substances 0.000 claims abstract description 26
- 239000012790 adhesive layer Substances 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 238000007493 shaping process Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 23
- 239000000047 product Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000005491 wire drawing Methods 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 4
- 238000003490 calendering Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000011265 semifinished product Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000010422 painting Methods 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
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- 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
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/228—After-treatment
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
Abstract
The invention discloses a manufacturing method of a superfine flat enameled wire, which comprises the steps of coating insulating paint on a semi-finished conductor, shaping the semi-finished conductor into a rectangular conductor through a calender and a die, reducing the fillet value of the edge of the rectangular conductor, ensuring the thickness of an insulating layer on the corner of a product, enhancing the insulating property, enabling the fillet value of the edge of the rectangular conductor to be smaller, achieving one sixth of the side length at the minimum, improving the section rate, achieving the effects of uniform coating of the insulating layer and obtaining the rectangular conductor, coating a self-adhesive layer on the rectangular conductor, and finally taking up the rectangular conductor to form a finished product.
Description
Technical Field
The invention relates to the technical field of enameled wires, in particular to a manufacturing method of an ultra-fine flat enameled wire.
Background
The enameled wire is a main variety of winding wires and consists of a conductor and an insulating layer, and a bare wire is annealed and softened and then is subjected to painting and baking for multiple times. However, the production of products which meet both the standard requirements and the customer requirements is not easy and is influenced by the factors such as the quality of raw materials, process parameters, production equipment, environment and the like, so that various enameled wires have different quality characteristics and have four properties of mechanical property, chemical property, electrical property and thermal property; the enameled wire is a main raw material of products such as motors, electric appliances, household electric appliances and the like, particularly, the continuous and rapid growth of the power industry is realized in recent years, the rapid development of the household electric appliances brings a wider field for the application of the enameled wire, and along with the realization, higher requirements are put forward on the enameled wire. Therefore, the product structure of the enameled wire is inevitably adjusted, and the raw materials (copper and paint), the enameled process, the process equipment, the detection means and the like matched with the enameled wire are also urgently needed to be developed and researched.
The clients always want to have enameled wires similar to rectangular and square, so that the section ratio can be greatly improved after the enameled wires are wound, products are mainly used for wireless charging of mobile phones, inductors, multimedia of car machines and the like, in the prior art, the rectangular enameled wires are not produced, the requirements of the clients cannot be met, and an innovative novel manufacturing and production process needs to be provided for producing the rectangular enameled wires.
Disclosure of Invention
The invention aims to provide a method for manufacturing a rectangular enameled wire which can greatly improve the section ratio after a coil is wound and has mechanical properties, chemical properties, electrical properties and thermal properties.
The invention is realized by the following technical scheme:
a manufacturing method of a superfine flat enameled wire comprises the following steps:
step (1), carrying out wire drawing treatment on a semi-finished product semiconductor by adopting a fine wire drawing machine;
step (2), annealing the semi-finished conductor after wire drawing treatment;
step (3), coating a paint film on the annealed semi-finished conductor;
step (4), baking the semi-finished conductor coated with the paint film by using an enamelling oven;
step (5), calendering the semi-finished conductor after baking treatment by using a calender to obtain a rectangular conductor; repeatedly shaping the edges of the rectangular conductor for multiple times to form round corners;
step (7), coating a second insulating layer on the surface of the rectangular conductor;
step (8), baking the rectangular conductor coated with the second insulating layer by using an enamelling oven;
step (9), coating a self-adhesive layer on the surface of the rectangular conductor;
step (10), baking the rectangular conductor coated with the self-adhesive layer by using an enamelled baking oven;
step (11), lubricating the rectangular conductor baked in step (10);
step (12), collecting the rectangular conductor by using a wire-rewinding machine to obtain an ultra-fine flat enameled wire;
step (13), performing performance inspection and finished product inspection on the ultra-fine flat enameled wire; the ultra-fine flat enameled wire has mechanical properties, chemical properties, electrical properties and thermal properties;
and (14) packaging the ultra-fine flat enameled wire and warehousing.
Further, in the step (6), shaping the rectangular conductor; the edges of the rectangular conductor are formed by repeated shaping, and the fillet value of the edges of the rectangular conductor is reduced.
Further, in the step (3), the semi-finished conductor is coated with the paint liquid for multiple times by using a felt to form a uniform paint film.
Further, in the step (3), when the semi-finished conductor is painted, paint liquid is uniformly coated on the surface of the semi-finished conductor in a vertical paint supply mode; the lower paint supply adopts 6 paint supply holes for paint supply, and the upper paint supply adopts a reciprocating paint dripping mode for paint supply.
Further, in the step (4), when the semi-finished conductor drops the paint liquid in the baking process, the semi-finished conductor is returned to the step (3) for painting again.
Further, in the step (7), performing secondary insulating layer coating on the rectangular conductor by using felt to form a uniform insulating layer on the rectangular conductor; in the step (10), the rectangular conductor is coated with the self-adhesive layer for multiple times by using the felt, so that a uniform self-adhesive layer is formed on the rectangular conductor.
Further, in the step (7), when the rectangular conductor falls off the self-adhesive layer in the baking process, the rectangular conductor is returned to the step (3) to be coated with the self-adhesive layer again.
Furthermore, the semi-finished conductor is made of one of silver material, copper material and aluminum material.
Furthermore, the paint film adopts one of PU, AI, PI and EI.
Further, the self-adhesive layer adopts one of PA, HB, SB and SV.
The invention has the beneficial effects that:
compared with the prior art, the invention adopts a novel manufacturing and production process, the semi-finished conductor is coated with insulating paint, the semi-finished conductor is shaped into the rectangular conductor, the edge of the rectangular conductor is formed by repeated shaping, the fillet value of the edge of the rectangular conductor is reduced, the thickness of the insulating layer on the corner of the product is ensured, the insulating property is enhanced, the fillet value of the edge of the rectangular conductor can be smaller, the section rate is improved, the effects of uniform coating of the insulating layer and obtaining of the rectangular conductor are achieved, then the rectangular conductor is coated with a self-adhesive layer, and finally, the finished product is obtained by winding up.
Drawings
FIG. 1 is a flow chart of a manufacturing process of a superfine flat enameled wire according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a structural change of a round conductor manufactured ultra-fine flat enameled wire according to an embodiment of the present invention.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
It should be noted that all the directional indications (such as up, down, left, right, front, back, upper end, lower end, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
In the present invention, unless expressly stated or limited otherwise, the term "coupled" is to be interpreted broadly, e.g., "coupled" may be fixedly coupled, detachably coupled, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 2, a method for manufacturing a ultra-fine flat enamel wire, comprising the steps of:
step (1), carrying out wire drawing treatment on a semi-finished product semiconductor by adopting a fine wire drawing machine;
step (2), annealing the semi-finished conductor after wire drawing treatment;
step (3), coating a paint film on the annealed semi-finished conductor;
step (4), baking the semi-finished conductor coated with the paint film by using an enamelling oven;
step (5), calendering the semi-finished conductor after baking treatment by using a calender to obtain a rectangular conductor; the conductor of round wire or other line types can be shaped into a rectangular conductor through calendaring shaping, and the section rate can be greatly improved after the rectangular conductor is wound with a coil, so that the production requirement of a customer is met.
Repeatedly shaping the edges of the rectangular conductor for multiple times to form round corners; it should be noted that the edges of the rectangular conductors are formed by repeatedly shaping for many times, the fillet value of the edges of the rectangular conductors is reduced, the thickness of the insulating layer on the corners of a product is guaranteed, the insulating layer is uniformly coated, the insulating property is enhanced, and then the fillet value of the edges of the rectangular conductors can be smaller, so that the section ratio is further improved. The process method of the fine flat wire by the one-time rolling within the width-to-thickness ratio of 5 times is a method of the two-time rolling in which the width-to-thickness ratio of the product exceeds 5 times or more (step: drawing → annealing → rolling 1 → painting (insulating layer) → baking → rolling 2 → painting (insulating layer) → baking → painting (self-adhesive layer) → baking → winding). Step (7), coating a second insulating layer on the surface of the rectangular conductor;
step (8), baking the rectangular conductor coated with the second insulating layer by using an enamelling oven;
step (9), coating a self-adhesive layer on the surface of the rectangular conductor;
step (10), baking the rectangular conductor coated with the self-adhesive layer by using an enamelled baking oven;
step (11), lubricating the rectangular conductor baked in step (10);
step (12), collecting the rectangular conductor by using a wire-rewinding machine to obtain an ultra-fine flat enameled wire;
step (13), performing performance inspection and finished product inspection on the ultra-fine flat enameled wire; the ultra-fine flat enameled wire has mechanical properties, chemical properties, electrical properties and thermal properties.
And (14) packaging the ultra-fine flat enameled wire and warehousing. It should be noted that, the invention uses the round wire whose section area accords with the preset size to coat one third of the total paint film, when the paint conductor is the round wire, the paint film is coated evenly; then the wire coated with the paint film is rolled into a flat wire in a required size through a compression roller, the remaining two thirds of the thickness of the paint film is coated on the insulating layer, and the insulating layer can be uniformly coated on four arc-shaped corners of the flat wire due to the fact that the molecular weights of the four arc-shaped corners of the flat wire are consistent, so that the effect of uniform coating of the insulating layer is achieved.
Specifically, in the embodiment of the present invention, in the step (6), the rectangular conductor is repeatedly shaped; and the edges of the rectangular conductor are formed by repeatedly shaping for many times, so that the fillet value of the edges of the rectangular conductor is reduced.
Specifically, in the embodiment, in the step (3), the semi-finished conductor is coated with the paint liquid for multiple times by using a felt, so as to form a uniform paint film.
Specifically, in the scheme of the embodiment, when the semi-finished conductor is painted, the paint liquid is uniformly coated on the surface of the semi-finished conductor in an upper and lower paint supply mode; the lower paint supply adopts 6 paint supply holes for paint supply, and the upper paint supply adopts a reciprocating paint dripping mode for paint supply. It should be noted that before painting, felt, weight and finished take-up reel need to be prepared.
Specifically, in the embodiment of the present invention, in the step (4), when the semi-finished conductor drops the paint liquid during the baking process, the semi-finished conductor is returned to the step (3) for painting again.
Specifically, in the embodiment, in the step (7), the rectangular conductor is coated with the secondary insulating layer by using a felt, so that a uniform insulating layer is formed on the rectangular conductor; in the step (10), the rectangular conductor is coated with the self-adhesive layer for multiple times by using the felt, so that a uniform self-adhesive layer is formed on the rectangular conductor.
Specifically, in the embodiment of the present invention, in the step (10), when the rectangular conductor drops off the self-adhesive layer during the baking process, the rectangular conductor is returned to the step (3) to be coated with the self-adhesive layer again.
Specifically, in the embodiment, the semi-finished conductor is made of one of a silver material, a copper material and an aluminum material.
Specifically, in the embodiment, the paint film is one of PU, AI, PI, and EI.
Specifically, in the embodiment of the present invention, the self-adhesive layer is one of PA, HB, SB, and SV.
The invention adopts a novel manufacturing and production process, the semi-finished conductor is coated with insulating paint and shaped into a rectangular conductor through repeated shaping, the edge of the rectangular conductor is repeatedly shaped for many times, the fillet value of the edge of the rectangular conductor is reduced, the thickness of an insulating layer on the corner of a product is ensured, the insulating property is enhanced, the fillet value of the edge of the rectangular conductor can be smaller, and the section rate is improved, so that the effects of uniform coating of the insulating layer and obtaining of the rectangular conductor are achieved, then the rectangular conductor is coated with a self-adhesive layer, and finally, a finished product is obtained through winding up.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. A manufacturing method of a superfine flat enameled wire is characterized by comprising the following steps:
step (1), carrying out wire drawing treatment on a semi-finished product semiconductor by adopting a fine wire drawing machine;
step (2), annealing the semi-finished conductor after wire drawing treatment;
step (3), coating a paint film on the annealed semi-finished conductor;
step (4), baking the semi-finished conductor coated with the paint film by using an enamelling oven;
step (5), calendering the semi-finished conductor after baking treatment by using a calender to obtain a rectangular conductor;
repeatedly shaping the edges of the rectangular conductor for multiple times to form round corners;
step (7), coating a second insulating layer on the surface of the rectangular conductor;
step (8), baking the rectangular conductor coated with the second insulating layer by using an enamelling oven;
step (9), coating a self-adhesive layer on the surface of the rectangular conductor;
step (10), baking the rectangular conductor coated with the self-adhesive layer by using an enamelled baking oven;
step (11), lubricating the rectangular conductor baked in step (10);
step (12), collecting the rectangular conductor by using a wire-rewinding machine to obtain an ultra-fine flat enameled wire;
step (13), performing performance inspection and finished product inspection on the ultra-fine flat enameled wire; the ultra-fine flat enameled wire has mechanical properties, chemical properties, electrical properties and thermal properties;
and (14) packaging the ultra-fine flat enameled wire and warehousing.
2. The method for manufacturing an ultra-fine flat enameled wire according to claim 1, wherein: in the step (6), the rectangular conductor is shaped; the edges of the rectangular conductor are formed by repeated shaping, and the fillet value of the edges of the rectangular conductor is reduced.
3. The method for manufacturing an ultra-fine flat enameled wire according to claim 1, wherein: and (3) coating the semi-finished conductor with paint liquid for multiple times by using a felt to form a uniform paint film.
4. The method for manufacturing an ultra-fine flat enameled wire according to claim 1, wherein: in the step (3), when the semi-finished conductor is painted, the paint liquid is uniformly coated on the surface of the semi-finished conductor in an up-and-down paint supply mode; the lower paint supply adopts 6 paint supply holes for paint supply, and the upper paint supply adopts a reciprocating paint dripping mode for paint supply.
5. The method for manufacturing an ultra-fine flat enameled wire according to claim 1, wherein: in the step (4), when the semi-finished conductor drops the paint liquid in the baking process, the semi-finished conductor returns to the step (3) to be painted again.
6. The method for manufacturing an ultra-fine flat enameled wire according to claim 1, wherein: in the step (7), performing secondary insulating layer coating on the rectangular conductor by using a felt to form a uniform insulating layer on the rectangular conductor; in the step (10), the rectangular conductor is coated with the self-adhesive layer for multiple times by using the felt, so that a uniform self-adhesive layer is formed on the rectangular conductor.
7. The method for manufacturing an ultra-fine flat enameled wire according to claim 1, wherein: in the step (10), when the rectangular conductor falls off the self-adhesive layer in the baking process, the rectangular conductor is returned to the step (3) to be coated with the self-adhesive layer again.
8. The method for manufacturing an ultra-fine flat enameled wire according to claim 1, wherein: the semi-finished conductor is made of one of silver material, copper material and aluminum material.
9. The method for manufacturing an ultra-fine flat enameled wire according to claim 1, wherein: the paint film adopts one of PU, AI, PI and EI.
10. The method for manufacturing an ultra-fine flat enameled wire according to claim 1, wherein: the self-adhesive layer is made of one of PA, HB, SB and SV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110859147.6A CN113363019A (en) | 2021-07-28 | 2021-07-28 | Manufacturing method of ultra-fine flat enameled wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110859147.6A CN113363019A (en) | 2021-07-28 | 2021-07-28 | Manufacturing method of ultra-fine flat enameled wire |
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| CN113363019A true CN113363019A (en) | 2021-09-07 |
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| CN202110859147.6A Pending CN113363019A (en) | 2021-07-28 | 2021-07-28 | Manufacturing method of ultra-fine flat enameled wire |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113903504A (en) * | 2021-10-09 | 2022-01-07 | 浙江长城电工科技股份有限公司 | High-heat-level high-PDIV (polymer induced plasticity) enameled rectangular copper wire for driving motor and preparation method thereof |
| CN114283970A (en) * | 2021-12-27 | 2022-04-05 | 松田电工（台山）有限公司 | Ultra-fine precision flat wire and production process thereof |
| CN114283971A (en) * | 2021-12-30 | 2022-04-05 | 松田电工（台山）有限公司 | Ultra-fine flat wire and production process thereof |
| CN114420345A (en) * | 2022-01-24 | 2022-04-29 | 松田电工（台山）有限公司 | High-voltage-resistance composite insulated wire and preparation method thereof |
| CN114420379A (en) * | 2022-01-24 | 2022-04-29 | 松田电工（台山）有限公司 | Manufacturing method of micro-insulated square wire |
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| CN114283971A (en) * | 2021-12-30 | 2022-04-05 | 松田电工（台山）有限公司 | Ultra-fine flat wire and production process thereof |
| CN114420345A (en) * | 2022-01-24 | 2022-04-29 | 松田电工（台山）有限公司 | High-voltage-resistance composite insulated wire and preparation method thereof |
| CN114420379A (en) * | 2022-01-24 | 2022-04-29 | 松田电工（台山）有限公司 | Manufacturing method of micro-insulated square wire |
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