CN105489362A - Inductor technology - Google Patents
Inductor technology Download PDFInfo
- Publication number
- CN105489362A CN105489362A CN201410534398.7A CN201410534398A CN105489362A CN 105489362 A CN105489362 A CN 105489362A CN 201410534398 A CN201410534398 A CN 201410534398A CN 105489362 A CN105489362 A CN 105489362A
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- die cavity
- magnetic conduction
- conduction powder
- low punch
- magazine
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Abstract
The invention provides an inductor technology, which comprises the steps as follows: a template is utilized, wherein the template comprises a mold cavity which runs through the template; a first lower punch is arranged in the mold cavity; the first lower punch can move along the mold cavity; a coil is taken, wherein the coil comprises two outlet terminals; the coil is placed into the mold cavity of the template; the outlet terminals are in contact with the first lower punch; magnetic-conducting powder is filled into the mold cavity and is distributed at the periphery of the coil; and magnetic-conducting powder is cured, so that the technology is ended. The outlet terminals of the coil are kept in contact with the first lower punch in the inductor technology, so that the outlet terminal of the inductor fabricated after the technology is ended is located on the bottom surface of the inductor; and an edge trimming technology and a pin bending technology in a traditional inductor technology are omitted.
Description
Technical field
The present invention relates to a kind of inductance manufacture method, particularly a kind of a kind of inductance technique can saved the edge cutting technology in traditional inductance technique and roll over pin technique.
Background technology
Inductance is passive device common in electronic industry, and it has for the noise (noise) in filter current, prevents Electromagnetic Interference also can the function of electric current in stabilizing circuit.In traditional inductance technique, inductance element, after magnetic powder has solidified, as shown in Figure 1, has two-terminal 81 and passes from inductance side.Then, also must carry out cutting edge operation according to various inductance specification and after each terminal is pruned suitable length, carry out folding pin technique, terminal is bent to inductance bottom surface downwards, when facilitating follow-up inductance to use, can be directly soldered on circuit board by gripping.
But the inductance in above-mentioned traditional inductance technique is carrying out in the operation of folding pin, because apply the external force bending end period of the day from 11 p.m. to 1 a.m can oppress inductance sidewall, the inductance sidewall of position below terminal bending place is being made easily to produce destruction.In addition, carry out inductance cutting edge operation and roll over time and the complexity that pin operation all can increase production, such as needing first inductance location just can be carried out cutting edge operation and the operation of folding pin, is also the place needing improvement.
Summary of the invention
Need the place of improving for prior art, the object of the present invention is to provide a kind of inductance technique, the edge cutting technology in traditional inductance technique and folding pin technique can be saved.
The invention provides a kind of inductance technique, comprise use one template, this template has the die cavity running through this template.By one first low punch, be arranged at this die cavity, and this first low punch can move along this die cavity.Get a coil, have two leading-out terminals, this coil is placed in the die cavity of this template, and respectively this leading-out terminal contacts this first low punch.Fill a magnetic conduction powder in this die cavity, and be distributed in around this coil.Treat that this magnetic conduction powder solidifies, complete technique.
By inductance technique provided by the present invention, because keep in touch this first low punch in aforementioned inductance technique when the leading-out terminal of coil, so the inductance be made after completing technique, its leading-out terminal is positioned at inductance bottom surface, save the edge cutting technology in traditional inductance technique and folding pin technique, also just reach the risk avoiding inductance sidewall to be damaged in folding pin technique, also eliminate the situation increasing inductance production time and complexity.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
The existing inductance cutaway view of Fig. 1, shows existing induction structure;
The schematic flow sheet of Fig. 2 first embodiment of the invention, display inductance technique;
The schematic flow sheet of Fig. 3 first embodiment of the invention, display inductance technique;
The schematic flow sheet of Fig. 4 first embodiment of the invention, display inductance technique;
The schematic flow sheet of Fig. 5 first embodiment of the invention, display inductance technique;
The schematic flow sheet of Fig. 6 second embodiment of the invention, display inductance technique comprises magazine;
The schematic flow sheet of Fig. 7 second embodiment of the invention, display inductance technique comprises magazine;
The schematic flow sheet of Fig. 8 second embodiment of the invention, display inductance technique comprises magazine;
The schematic flow sheet of Fig. 9 third embodiment of the invention, display inductance technique comprises upper punch;
The schematic flow sheet of Figure 10 fourth embodiment of the invention, display inductance technique comprises the second low punch; And
The schematic flow sheet of Figure 11 fourth embodiment of the invention, display inductance technique comprises the second low punch.
Wherein, Reference numeral
11 template 111 die cavitys
12 first low punch 121 perforations
13 coil 131 leading-out terminals
131a flat part 131b hole
14 magnetic conduction powder 15 magazines
151 first storage tank 151a first notches
151b first cell wall 152 second storage tank
152a second notch 152b second cell wall
16 upper punch 17 second low punches
81 terminals
Embodiment
In order to describe technical characterstic place of the present invention in detail, hereby for following embodiment and coordinate accompanying drawing illustrate as after.
As shown in Fig. 2 ~ Fig. 5, a kind of inductance technique that the present invention first preferred embodiment provides, it comprises the following steps.
Use a template 11, this template 11 has the die cavity 111 running through this template 11.
By one first low punch 12, be arranged at this die cavity 111, and this first low punch 12 can move up and down along this die cavity 111.
Get a coil 13, this coil 13 has two leading-out terminals 131, and this coil 13 is placed in the die cavity 111 of this template 11, and respectively this leading-out terminal 131 contacts this first low punch 12.It is worth mentioning that, respectively this leading-out terminal 131 has a flat part 131a, and respectively this flat part 131a contacts this first low punch 12, and is inhaled on this first low punch 12 by vacuum.
Fill in a magnetic conduction powder 14 to this die cavity 111, and be distributed in around this coil 13.This magnetic conduction powder 14 comprises Ferrite powder, epoxy resin and curing agent.Should be noted that at this because this magnetic conduction powder 14 is distributed in around this coil 13, if so respectively this leading-out terminal 131 multiple hole 131b can be set increase the respectively area that contacts with this magnetic conduction powder 14 of this leading-out terminal 131.In addition, because increase this magnetic conduction powder 14 and the contact area respectively between this leading-out terminal 131, so make this magnetic conduction powder 14 strengthen with the link effect of each this leading-out terminal 131, the intensity of induction structure is also strengthened.
Treat that this magnetic conduction powder 14 has solidified technique, namely make inductance.
By the technique that the first embodiment provides, the leading-out terminal 131 that inductance technique works as coil 13 keeps in touch this first low punch 12, so the leading-out terminal 131 of inductance is be positioned at inductance bottom surface, save the edge cutting technology in traditional inductance technique and folding pin technique, also just reach the risk avoiding inductance sidewall to be damaged in folding pin technique, also eliminate the situation increasing inductance production time and complexity.
Please refer to shown in Fig. 6 ~ Fig. 8, second embodiment of the invention.They are different from the first embodiment is in more comprising a magazine 15, this magazine 15 has one first storage tank 151 and one second storage tank 152, this first storage tank 151 forms one first notch 151a and one first cell wall 151b in this magazine 15, and this second storage tank 152 forms one second notch 152a and one second cell wall 152b in this magazine 15.This magnetic conduction powder 14 is first be filled in this first storage tank 151, and allows this first notch 151a and this second notch 152a be arranged in this template 11 towards this first low punch 12.When this magazine 15 strides across the die cavity 111 of this template 11, this die cavity 111 filled by this magnetic conduction powder 14, and and then, the magnetic conduction powder 14 protruding this die cavity 111 strikes off by this first cell wall 151b.Subsequently, this first low punch 12 moves towards this magazine 15, and this magnetic conduction powder 14 of part will be had to eject this die cavity 111, and pushes in this second storage tank 152 via this second notch 152a.Then, this magazine 15 continues mobile, and the magnetic conduction powder 14 ejecting this die cavity 111 is struck off by this second cell wall 152b.Thus, move up by this first low punch 12, allow this magnetic conduction powder 14 be evenly distributed in around this coil 13.
Should be specified, be use this first storage tank 151 and this second storage tank 152 in the present invention, solve magnetic conduction powder 14 and fill the uneven problem of mould.Compared to the present invention, if use the magazine of single storage tank, then must after powder falls into die cavity, by drift must bear all powders weight and part powder is ejected die cavity again row strike off powder, thus, easy formation because of the powder weight pressure above coil, to cause below coil powder density comparatively above coil powder density high, the result of powder skewness.Therefore in the present invention, use the magazine 15 that this first storage tank 151 and this second storage tank 152 are set, because this first cell wall 151b this low punch 12 not yet pushing tow magnetic conduction powder 14 time first strike off protruding the magnetic conduction powder 14 of this die cavity 111, therefore alleviate the weight that this low punch 12 bears, strengthening this magnetic conduction powder 14 is uniformly distributed around this coil 13, really can avoid the single storage tank of aforementioned use produce the problem of powder skewness.
Please refer to shown in Fig. 9, third embodiment of the invention.They are different from the second embodiment is in more comprising a upper punch 16, and this upper punch 16 can enter this die cavity 111 and move along this die cavity 111.This upper punch 16, after this magnetic conduction powder 14 fills up this die cavity 111, will move closer to this first low punch 12, coordinates this first low punch 12 this magnetic conduction powder 14 of compacting in this die cavity 111.By this, be evenly distributed on around this coil 13 with allowing this magnetic conduction powder 14 consolidation.
Please refer to shown in Figure 10 ~ Figure 11, above-mentioned first and second of fourth embodiment of the invention display can also comprise one second low punch 17 with three embodiments, and allows this first low punch 12 have a perforation 121.This second low punch 17 is arranged in this perforation 121, and this second low punch 17 can move along this perforation 121.When this die cavity 111 filled by this magnetic conduction powder 14, this second low punch 17 is positioned at this perforation 121 and this perforation 121 inserted by this magnetic conduction powder 14 of part, after this magnetic conduction powder 14 has been filled, this second low punch 17 ejects original position this magnetic conduction powder 14 in this perforation 121 by moving up, and promoting this coil 13 by this magnetic conduction powder 14, respectively this leading-out terminal 131 also maintaining this coil 13 contacts this first low punch 12.Thus, the second low punch 17 is used to adjust the position of coil 13 in this magnetic conduction powder 14.If strengthening inductance effect, in can also selecting coil 13 to put in this magnetic conduction powder 14, improve inductance characteristic and stablize.
The explanation of above embodiment, inductance technique provided by the present invention, the leading-out terminal 131 of coil 13 keeps in touch this first low punch 12, after completing technique, inductance leading-out terminal 131 is positioned at inductance bottom surface, save the edge cutting technology in traditional inductance technique and folding pin technique, also with regard to really reaching the risk avoiding inductance sidewall to be damaged in folding pin technique, the situation increasing inductance production time and complexity is also eliminated.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (8)
1. an inductance technique, is characterized in that, comprising:
Use a template, this template has the die cavity running through this template;
By one first low punch, be arranged at this die cavity, and this first low punch can move along this die cavity;
Get a coil, have two leading-out terminals, this coil is placed in the die cavity of this template, and respectively this leading-out terminal contacts this first low punch;
Fill a magnetic conduction powder in this die cavity, and be distributed in around this coil;
Treat that this magnetic conduction powder solidifies, complete technique.
2. inductance technique according to claim 1, is characterized in that, respectively this leading-out terminal has multiple hole.
3. inductance technique according to claim 1, it is characterized in that, more comprise a magazine, this magazine has one first storage tank and one second storage tank, this first storage tank forms one first notch in this magazine, and this second storage tank forms one second notch in this magazine; This magnetic conduction powder is first filled in this first storage tank, and allows this first notch and this second notch arrange on the template towards this first low punch; When this magazine strides across the die cavity of this template, this this die cavity of magnetic conduction powder packed; Subsequently, this first low punch moves towards this magazine, and this magnetic conduction powder of part will be had to eject this die cavity, and pushes in this second storage tank via this second notch; Then, this magazine continues mobile, and is struck off by this magnetic conduction powder ejecting this die cavity.
4. inductance technique according to claim 3, is characterized in that, more comprises a upper punch, and this upper punch can enter this die cavity and move along this die cavity; This upper punch, after this magnetic conduction powder fills up this die cavity, will move closer to this first low punch, coordinates this first low punch this magnetic conduction powder of compacting in this die cavity.
5. inductance technique according to claim 1, is characterized in that, more comprises one second low punch; This first low punch has a perforation, and this second low punch is arranged in this perforation, and this second low punch can move along this perforation; When this this die cavity of magnetic conduction powder packed, this second low punch is positioned at this perforation and this perforation inserted by this magnetic conduction powder of part, after this magnetic conduction powder packed completes, this second low punch ejects original position this magnetic conduction powder in this perforation by moving up, and promoting this coil by this magnetic conduction powder, respectively this leading-out terminal also maintaining this coil contacts this first low punch.
6. inductance technique according to claim 5, is characterized in that, this coil, after this second low punch moves, will to be pushed in putting in this magnetic conduction powder.
7. inductance technique according to claim 5, it is characterized in that, more comprise a magazine, this magazine has one first storage tank and one second storage tank, this first storage tank forms one first notch in this magazine, and this second storage tank forms one second notch in this magazine; This magnetic conduction powder is first filled in this first storage tank, and allows this first notch and this second notch arrange towards this first low punch; When this magazine strides across the die cavity of this template, this magnetic conduction powder packed is to this die cavity; Subsequently, this first low punch and this second low punch move towards this magazine, and this magnetic conduction powder of part will be had to eject this die cavity, push in this second storage tank via this second notch; Then, this magazine continues mobile, and is struck off by this magnetic conduction powder ejecting this die cavity.
8. inductance technique according to claim 7, is characterized in that, more comprises a upper punch, and this upper punch can enter this die cavity and move along this die cavity; This upper punch, after this magnetic conduction powder fills up this die cavity, will move closer to this first low punch, coordinates this first low punch this magnetic conduction powder of compacting in this die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534398.7A CN105489362A (en) | 2014-10-11 | 2014-10-11 | Inductor technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534398.7A CN105489362A (en) | 2014-10-11 | 2014-10-11 | Inductor technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105489362A true CN105489362A (en) | 2016-04-13 |
Family
ID=55676287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410534398.7A Pending CN105489362A (en) | 2014-10-11 | 2014-10-11 | Inductor technology |
Country Status (1)
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| CN (1) | CN105489362A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107303605A (en) * | 2016-04-21 | 2017-10-31 | 昆山特姆罗自动化有限公司 | A kind of inductance production method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050219027A1 (en) * | 2002-03-20 | 2005-10-06 | Tdk Corporation | Method for manufacturing coil-embedded dust core and coil-embedded dust core |
| CN100428377C (en) * | 2004-03-31 | 2008-10-22 | 阿尔卑斯电气株式会社 | Method for making press-powder forming body for coil enclosure |
| CN103366947A (en) * | 2012-03-30 | 2013-10-23 | 东光株式会社 | Method for producing surface-mount inductor |
| CN103515055A (en) * | 2012-06-29 | 2014-01-15 | 三星电机株式会社 | Power inductor and method of manufacturing the same |
| JP2014013815A (en) * | 2012-07-04 | 2014-01-23 | Tdk Corp | Coil component and manufacturing method therefor |
-
2014
- 2014-10-11 CN CN201410534398.7A patent/CN105489362A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050219027A1 (en) * | 2002-03-20 | 2005-10-06 | Tdk Corporation | Method for manufacturing coil-embedded dust core and coil-embedded dust core |
| CN100428377C (en) * | 2004-03-31 | 2008-10-22 | 阿尔卑斯电气株式会社 | Method for making press-powder forming body for coil enclosure |
| CN103366947A (en) * | 2012-03-30 | 2013-10-23 | 东光株式会社 | Method for producing surface-mount inductor |
| CN103515055A (en) * | 2012-06-29 | 2014-01-15 | 三星电机株式会社 | Power inductor and method of manufacturing the same |
| JP2014013815A (en) * | 2012-07-04 | 2014-01-23 | Tdk Corp | Coil component and manufacturing method therefor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107303605A (en) * | 2016-04-21 | 2017-10-31 | 昆山特姆罗自动化有限公司 | A kind of inductance production method |
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Application publication date: 20160413 |