CN109360731A - A kind of integrated inductance production method and the inductance using this method production - Google Patents
A kind of integrated inductance production method and the inductance using this method production Download PDFInfo
- Publication number
- CN109360731A CN109360731A CN201811463112.5A CN201811463112A CN109360731A CN 109360731 A CN109360731 A CN 109360731A CN 201811463112 A CN201811463112 A CN 201811463112A CN 109360731 A CN109360731 A CN 109360731A
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- Prior art keywords
- coil
- terminal
- integrated inductance
- production method
- integrated
- Prior art date
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title description 12
- 239000004020 conductor Substances 0.000 claims abstract description 24
- 238000004512 die casting Methods 0.000 claims abstract description 12
- 239000000696 magnetic material Substances 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 4
- 238000007747 plating Methods 0.000 claims description 17
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 16
- 229910052709 silver Inorganic materials 0.000 claims description 16
- 239000004332 silver Substances 0.000 claims description 16
- 239000011253 protective coating Substances 0.000 claims description 11
- 239000003973 paint Substances 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000006247 magnetic powder Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 238000001771 vacuum deposition Methods 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 238000007650 screen-printing Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 10
- 229910000679 solder Inorganic materials 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 2
- 238000004227 thermal cracking Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/076—Forming taps or terminals while winding, e.g. by wrapping or soldering the wire onto pins, or by directly forming terminals from the wire
Abstract
The invention discloses a kind of integrated inductance production methods, comprising the following steps: enameled wire is turned to coil；It will be placed into Die casting machine around the coil made, magnetic material is filled in type chamber, then die cast；Molded part after die cast is subjected to baking-curing；By the coil pin side direction end grinding in the molded part of baking-curing, expose coil both ends pin section in bottom completely；Terminal conductor is made in molded part bottom, and is connected with the coil pin section for exposing bottom.The invention also discloses the integrated inductances as made from the integrated inductance production method.While the present invention improves the resistance to current capability of the inductance, magnet and the heated rear inconsistent hidden danger for causing magnet to crack of the coefficient of expansion of terminal are avoided；By the way that enameled wire to be wound in special coiling template, which forms with lower impressions integrated die-casting, processing step is saved, to reduce production cost.
Description
Technical field
The present invention relates to inductors technique field, specially integrated inductance production method and utilization this method is made
Inductance.
Background technique
For traditional integrated inductance by the way of solder terminal, the part of terminal connection enameled wire is coated on magnet block
Inside occupies magnet block space, and the coefficient of thermal expansion of internal terminal connecting portion and magnet itself is coated in curing process
It is inconsistent, it is bad easily to make magnet crackle, while traditional handicraft is complex, production cost is higher, is unfavorable for automating large quantities of
Amount production.
Summary of the invention
The purpose of the present invention is to provide integrated inductance production method, this method eliminate solder terminal production and
It is welded with coil, mode is simple, can mass production；Solderless terminal minor structure is used simultaneously, can design coil to greatest extent, with
It is significantly improved to resistance to current capability, eliminates integrated molding of the magnet by Thermal cracking hidden danger of solder terminal manufacture craft method initiation
Inductance.
To achieve the above object, the invention provides the following technical scheme:
A kind of integrated inductance production method, comprising the following steps:
S1, enameled wire is turned into coil；
S2, it will be placed into Die casting machine around the coil made, by quantitatively adding magnetic powder device, magnetic material is filled in type chamber
Expect, then die cast；
S3, the molded part after die cast is subjected to baking-curing；
S4, the both ends pin end side of the molded part interior loop of baking-curing is ground, makes both ends pin section completely the bottom of at
Expose in portion；
S5, terminal conductor is made in molded part bottom, and is connected with the coil pin section for exposing bottom.
Further, further comprising the steps of after the step S5:
In terminal conductor face plated with nickel or tin.
As a preference of the above scheme, in the step S4, on molded part bottom position, both ends leads ends after grinding
Plane is higher than product bottom k level where sub.
Specifically, the step S1 specifically:
Enameled wire is wound in special coiling template, and coil stitch is embedded into template groove and is positioned, the coiling
Upper impression of the template as compression mod.
Specifically, the step S2 specifically:
The i.e. coiling template of upper impression is placed into the lower impressions of Die casting machine, by quantitatively adding magnetic powder device, in type chamber
Middle filling magnetic material, then die cast.
Specifically, the terminal conductor is to deposit to form conductor layer or using silk-screen printing silver paste using vacuum coating
Mode paints conductor in terminal part and is made.
Optionally, the terminal conductor is to be formed to lead using the one or more combination mode of brush plating, chemical plating or plating
Body layer is made.
Based on same design, the present invention also provides one kind integrated inductance as made from above-mentioned production method, provide as
Lower technical solution:
A kind of Novel integrated inductance, including magnet block are embedded with coil, the both ends pin of the coil in the magnet block
Expose respectively in the upper surface of magnet block, the upper surface of the magnet block is set there are two mutually independent end silver terminal, the line
The ends of two pins is enclosed to be connected with the silver-colored terminals in this two ends respectively conducting.
Preferably, the top, side of the magnet block and bottom surface are provided with protective coating, and the protective coating is equipped with
For the exposed division for holding silver-colored terminal to draw from the protective coating.
Preferably, protective coating is protection paint layer.
Preferably, by magnetic material, the die casting together with coil is made the magnet block.
Preferably, the coil is formed by enameled wire coiling, and there is insulated paint package on the wire rod surface layer of coil.
Preferably, the end silver terminal deposits to form conductor layer connection first pin end, the using vacuum coating
Two leads ends capitiforms at.
Preferably, the end silver terminal forms conductor using the one or more combination mode of brush plating, chemical plating or plating
Layer connection first pin end, second pin end are formed.
Preferably, the end silver terminal paints conductor connection described the in terminal part by the way of silk-screen printing silver paste
One pin end, second pin end are formed.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention directly by the way that enameled wire is wound in special coiling template, and coil stitch be embedded into template groove into
Row positioning, the upper impression of the coiling template as compression mod save technique step with the molding manufacture of lower impressions integrated die-casting
Suddenly, to reduce production cost.
2, the Novel integrated inductance has abandoned the solder terminal of traditional integrated inductance, raw by way of holding silver
At terminal, the undesirable risk of the open circuit of inductance caused by failure welding is avoided.
3, the Novel integrated inductance has abandoned the solder terminal of traditional integrated inductance, has eliminated solder terminal
The magnet that manufacture craft method causes is by Thermal cracking hidden danger.
4, the present invention goes out foot mode using end silver terminal, reduces connection line, reduces product D.C. resistance；Simultaneously coil without
Solder terminal design, without the limitation of conductive terminal plumb joint, can design coil to greatest extent.
Detailed description of the invention
Fig. 1 is coiling template overlook direction structural schematic diagram of the invention；
Fig. 2 is coiling template right view direction structural schematic diagram of the invention；
Fig. 3 is the partial enlarged view of part A in Fig. 2.
Fig. 4 is integrated inductance perspective structure schematic diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of a kind of embodiment provided by the invention: integrated inductance production method, comprising the following steps:
S1, coil winding:
Coil is wound in coiling template by multiple-spindle winding machine, and coil stitch, which is embedded into template groove, to be positioned.Coiling
Template is the upper impression of compression mod.
As shown in Figures 1 and 2, which includes upper plate 6 and lower plate 9, and the upper plate 6 is equipped with newel
7, and upper plate 6 is equipped with template groove 8, the groove is in a fixed inclination, consequently facilitating the both ends of coil position, the center
The other end of column 7 is arranged on lower plate 9.Before die casting, newel 7 and lower plate 9 extracted out under the action of mold and with upper bottom
Plate 6 separates, so that upper impression of the upper plate 6 as transfer mould.
S2, die cast:
Upper impression (i.e. coiling template) is placed into the lower impressions of Die casting machine, by quantitatively adding magnetic powder device, in type chamber
Middle filling magnetic material, then die cast.The red pin of the mold can open a slot position, to allow coil to go out foot in bottom.?
During die casting, coil pin can be cut off according to rear process requirements, scrap wire stays in upper impression, then will by cleaning plant
After scrap wire is cleaned out, upper impression (i.e. coiling template) follows coiling station and continues next coiling circulation.
S3, the molded part after die cast is subjected to baking-curing:
Molded part after die cast is placed at 78 DEG C and toasts 0 .5h；Then 0 .6h is toasted at 140 DEG C；Finally 160
1 .2h is toasted at DEG C, so that product generates structural capacity, makes product that there is certain intensity.
Above-mentioned baking-curing condition is that one kind of this embodiment of the invention is more preferably selected, in specific implementation process, Ke Yigen
According to magnetic material and product characteristic requirement, the product for selecting suitable solidification temperature and time to complete molding toast solid
Change to meet intensity requirement.
S4, the both ends pin end side of the molded part interior loop of baking-curing is ground, keeps both ends pin section complete
Expose in bottom, in the present embodiment, plane where the pin terminals of both ends is higher by product bottom k level after preferably grinding
0.05mm。
S5, terminal conductor is made in molded part bottom, and is connected with the coil pin section for exposing bottom.
S6, in terminal conductor face plated with nickel or tin.
As an implementation, the terminal conductor is to deposit to form conductor layer or using silk screen using vacuum coating
The mode for printing silver paste paints conductor in terminal part and is made.
As an implementation, the terminal conductor is the one or more combination using brush plating, chemical plating or plating
Mode forms conductor layer and is made.
Based on same design, the present invention also provides one kind integrated inductances as made from above-mentioned production method, including with
Lower technical solution:
Such as Fig. 4, a kind of Novel integrated inductance, including magnet block 1 are embedded with coil 2, the coil 2 in the magnet block 1
Pin both ends be respectively the first pin end 3 and second pin end 4, the top of the first pin end 3 and second pin end 4
The upper surface of end magnet block 1 respectively is exposed, and the upper surface of the magnet block 1 is set there are two mutually independent end silver terminal 5, described
First pin end 3, second pin end 4 are connected with the silver-colored terminals 5 in this two ends conducting respectively.
In the present embodiment, top, side and the bottom surface of the magnet block 1 are all provided with protective coating, the protection
Coating 5 is equipped with the exposed division for holding silver-colored terminal to draw from the protective coating.
In the present embodiment, the protective coating is protection paint layer.
Wherein, the magnet block 1 is made by magnetic material and coil 2 together die casting.
The coil 2 is formed by enameled wire coiling, and there is insulated paint package on the wire rod surface layer of coil 2.
As an implementation, the end silver terminal 5 deposits to form conductor layer connection described first using vacuum coating
Pin end 3, second pin end 4 are formed.Then silver-colored 5 plating nickel on surface of terminal, tin plating is being held.
As an implementation, the end silver terminal 5 uses the one or more combination side of brush plating, chemical plating or plating
Formula forms conductor layer connection first pin end 3, second pin end 4 is formed.
As an implementation, the end silver terminal 5, which is painted by the way of silk-screen printing silver paste in terminal part, leads
Body is connected to first pin end 3, second pin end 4 and is formed.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of integrated inductance production method, which comprises the following steps:
S1, enameled wire is turned into coil；
S2, it will be placed into Die casting machine around the coil made, by quantitatively adding magnetic powder device, magnetic material is filled in type chamber
Expect, then die cast；
S3, the molded part after die cast is subjected to baking-curing；
S4, the coil pin side direction end in the molded part of baking-curing is ground, keeps both ends pin section complete
Expose in bottom；
S5, terminal conductor is made in molded part bottom, and is connected with the coil pin section for exposing bottom.
2. a kind of integrated inductance production method according to claim 1, it is characterised in that: after the step S5 also
The following steps are included:
In terminal conductor face plated with nickel or tin.
3. a kind of integrated inductance production method according to claim 1, it is characterised in that: in the step S4, at
On type part bottom position, plane is higher than product bottom k level where the pin terminals of both ends after grinding.
4. a kind of integrated inductance production method according to claim 1,2 or 3, it is characterised in that: the step S1
Specifically:
Enameled wire is wound in special coiling template, and the stitch of coil is embedded into the groove of special coiling template and is determined
Position, the upper impression of the coiling template as compression mod.
5. a kind of integrated inductance production method according to claim 4, it is characterised in that: the tool of the step S2
Body are as follows:
Upper impression (i.e. coiling template) is placed into the lower impressions of Die casting machine, by quantitatively adding magnetic powder device, in type chamber
Middle filling magnetic material, then die cast.
6. a kind of integrated inductance production method according to claim 1,2 or 3, it is characterised in that: the terminal is led
Body is to paint conductor system in terminal part in such a way that vacuum coating deposits and to form conductor layer or use silk-screen printing silver paste
?.
7. a kind of integrated inductance production method according to claim 1,2 or 3, it is characterised in that: the terminal is led
Body is to form conductor layer using the one or more combination mode of brush plating, chemical plating or plating to be made.
8. integrated inductance made from a kind of integrated inductance production method as described in claim 1-7, including magnet block,
Coil is embedded in the magnet block, the both ends pin top of the coil is exposed in the upper surface of magnet block respectively, the magnetic
The upper surface of body block is set there are two mutually independent end silver terminal, and the end of two pins of coil is silver-colored with this two ends respectively
Terminal, which is connected, to be connected.
9. integrated inductance according to claim 8, it is characterised in that: top, side and the bottom of the magnet block
Surface is provided with protective coating, and the protective coating is equipped with the exposed division for holding silver-colored terminal to draw from the protective coating.
10. integrated inductance according to claim 9, it is characterised in that: protective coating is protection paint layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811463112.5A CN109360731A (en) | 2018-12-03 | 2018-12-03 | A kind of integrated inductance production method and the inductance using this method production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811463112.5A CN109360731A (en) | 2018-12-03 | 2018-12-03 | A kind of integrated inductance production method and the inductance using this method production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109360731A true CN109360731A (en) | 2019-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811463112.5A Pending CN109360731A (en) | 2018-12-03 | 2018-12-03 | A kind of integrated inductance production method and the inductance using this method production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109360731A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718386A (en) * | 2019-10-21 | 2020-01-21 | 通友智能装备(江苏)有限公司 | Manufacturing process of integrally formed inductor |
| CN114843098A (en) * | 2022-05-27 | 2022-08-02 | 张灵波 | Method for manufacturing surface-mounted inductor |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615480A (en) * | 2009-05-12 | 2009-12-30 | 奋发电子(东莞)有限公司 | Integrally-formed inductor and manufacture craft thereof |
| CN103050224A (en) * | 2012-12-26 | 2013-04-17 | 王向群 | Power inductor and manufacturing method thereof |
| WO2015026021A1 (en) * | 2013-08-19 | 2015-02-26 | Oh Se Jong | Method for additionally forming electric terminals on both side surfaces of composite power inductor |
| CN104425121A (en) * | 2013-08-27 | 2015-03-18 | 三积瑞科技（苏州）有限公司 | Embedded alloy inductor fabrication method |
| CN104425124A (en) * | 2013-08-27 | 2015-03-18 | 三积瑞科技（苏州）有限公司 | Coil winding method for inductor and equipment |
| CN204905010U (en) * | 2015-09-08 | 2015-12-23 | 安顺市成威科技有限公司 | Automobile -used level high power inductors ware |
| CN105355408A (en) * | 2015-11-18 | 2016-02-24 | 韵升控股集团有限公司 | Moulding surface mounting inductor manufacture method |
| CN105355409A (en) * | 2015-11-18 | 2016-02-24 | 韵升控股集团有限公司 | Surface mounting inductor manufacture method |
| TW201725597A (en) * | 2016-01-12 | 2017-07-16 | Tai-Tech Advanced Electronics Co Ltd | Inductor manufacturing method capable of simplifying manufacturing process and reducing manufacturing cost |
| CN107887108A (en) * | 2017-11-28 | 2018-04-06 | 合肥博微田村电气有限公司 | It is integrally formed formula power inductor and its manufacture method |
| CN108766737A (en) * | 2018-09-04 | 2018-11-06 | 湖南创电子科技有限公司 | A kind of combined inductor and preparation method thereof |
-
2018
- 2018-12-03 CN CN201811463112.5A patent/CN109360731A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615480A (en) * | 2009-05-12 | 2009-12-30 | 奋发电子(东莞)有限公司 | Integrally-formed inductor and manufacture craft thereof |
| CN103050224A (en) * | 2012-12-26 | 2013-04-17 | 王向群 | Power inductor and manufacturing method thereof |
| WO2015026021A1 (en) * | 2013-08-19 | 2015-02-26 | Oh Se Jong | Method for additionally forming electric terminals on both side surfaces of composite power inductor |
| CN104425121A (en) * | 2013-08-27 | 2015-03-18 | 三积瑞科技（苏州）有限公司 | Embedded alloy inductor fabrication method |
| CN104425124A (en) * | 2013-08-27 | 2015-03-18 | 三积瑞科技（苏州）有限公司 | Coil winding method for inductor and equipment |
| CN204905010U (en) * | 2015-09-08 | 2015-12-23 | 安顺市成威科技有限公司 | Automobile -used level high power inductors ware |
| CN105355408A (en) * | 2015-11-18 | 2016-02-24 | 韵升控股集团有限公司 | Moulding surface mounting inductor manufacture method |
| CN105355409A (en) * | 2015-11-18 | 2016-02-24 | 韵升控股集团有限公司 | Surface mounting inductor manufacture method |
| TW201725597A (en) * | 2016-01-12 | 2017-07-16 | Tai-Tech Advanced Electronics Co Ltd | Inductor manufacturing method capable of simplifying manufacturing process and reducing manufacturing cost |
| CN107887108A (en) * | 2017-11-28 | 2018-04-06 | 合肥博微田村电气有限公司 | It is integrally formed formula power inductor and its manufacture method |
| CN108766737A (en) * | 2018-09-04 | 2018-11-06 | 湖南创电子科技有限公司 | A kind of combined inductor and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718386A (en) * | 2019-10-21 | 2020-01-21 | 通友智能装备(江苏)有限公司 | Manufacturing process of integrally formed inductor |
| CN114843098A (en) * | 2022-05-27 | 2022-08-02 | 张灵波 | Method for manufacturing surface-mounted inductor |
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