CN205542377U - Conjuncted manganese zinc ferrite core blank - Google Patents
Conjuncted manganese zinc ferrite core blank Download PDFInfo
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- CN205542377U CN205542377U CN201521046275.5U CN201521046275U CN205542377U CN 205542377 U CN205542377 U CN 205542377U CN 201521046275 U CN201521046275 U CN 201521046275U CN 205542377 U CN205542377 U CN 205542377U
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Abstract
The utility model relates to a conjuncted manganese zinc ferrite core blank, it is formed by connecting two shapes and size flat magnetic core blank in full accord, two magnetic core blanks are connected from the place one side alignment of eccentric center pillar, and the base of two magnetic core blanks connects into conjuncted magnetic core base (1), and two eccentric center pillars connect into center pillar (3) that are located conjuncted magnetic core base (1) center, and the kerb shoe of two magnetic core blanks connects into conjuncted magnetic core kerb shoe (2). Tangible position groove (4) is seted up along width direction to the bottom surface intermediate position of conjuncted magnetic core base. The width in morpheme groove is 12~23 of center pillar length, and the degree of depth is 0.10~0.30mm. Connection distance L between two magnetic core blanks is 3~10mm. The utility model discloses be favorable to the row's base among the sintering process, prevent that the blank from tumbleing, the morpheme groove is favorable to its blank sintering binder removal, and blank center pillar fracture is suitable for production long and thin and highly higher platykurtic EFD magnetic core product when preventing that the multilayer from fold burning.
Description
Technical field
This utility model relates to a kind of magnetic core blank, refers in particular to, a kind of EFD preventing magnetic core torsional deformation
The conjuncted manganese-zinc ferrite core blank of type.
Background technology
Manganese-zinc ferrite EFD type magnetic core has that thermal resistance is little, attenuation is little, power is big, operating frequency width etc. is excellent
Point, it is widely used in the little and high-power transformator of volume, as display backlight power supply, LED power,
The fields such as precision instrument, modular power source, terminal output.
Manganese-zinc ferrite EFD type core production process is to be prepared by particulate material, die mould, sinter, grind processing
Form with go-on-go five processes.Die mould is that by mould, particulate material is used the press side by pressure forming
Method produces magnetic core blank, then blank sintering reaction on nitrogen kiln is generated manganese-zinc ferrite core.Become
If the ferrite blank Density inhomogeneity after type, the most easily deform, cause magnetic core size not
Good, directly affect product quality.
Existing EFD magnetic core the most progressively develops to narrower higher flattening.Shown in Fig. 3 and Fig. 4,
Due to its center pillar 3 not in the center of base 1, but with base the bias that side is concordant
Structure.For flat EFD magnetic core blank, the easily deformation that is distorted because of blank Density inhomogeneity,
Cause dimension overproof；And the EFD magnetic core blank of elongated flat, easily fall when sintering entrucking, nothing
Method improves yield to reduce product sintering cost by folded burning.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of conjuncted manganese-zinc ferrite core base
Part, it is possible to prevent magnetic core from deforming, and can prevent blank from falling when sintering entrucking.
In order to solve the problems referred to above, the technical solution adopted in the utility model is as follows:
A kind of conjuncted manganese-zinc ferrite core blank, it is characterised in that:
It is formed by connecting by two on all four flat magnetic core blanks of shape and size, said two magnetic
Core blank connects from eccentric center pillar side alignment, and the base of two magnetic core blanks connects into conjuncted magnetic core
Base, two eccentric center pillars connect into the center pillar being positioned at conjuncted magnetic core base base center, two magnetic core bases
The limit foot of part connects into conjuncted magnetic core limit foot.
Further improving is that the centre position, bottom surface of described conjuncted magnetic core base offers in the width direction
Morpheme groove.
As preferably, width is middle column length 1/2～the 2/3 of described morpheme groove, morpheme groove depth is
0.10～0.30mm.
As preferably, connection distance L between said two magnetic core blank is 3～10mm.
Compared with prior art, the beneficial effects of the utility model are:
This utility model, by being connected by two flat magnetic core blanks, makes the conjuncted magnetic core blank after connection
Center pillar at become symmetrical structure, change its single magnetic core blank eccentric structure state, decrease its turn round
The generation of bent deformation；Secondly, conjuncted magnetic core blank adds the width of blank, it is simple to magnetic core row's base, anti-
Only blank is fallen；The morpheme groove that conjuncted magnetic core blank base plate is offered, is conducive to its blank sintering binder removal, anti-
Blank center pillar cracking when only multi-laminate is burnt；This utility model is suitable for elongated and the highest flat
The production of EFD magnetic core product.After sintered for conjuncted blank forming, cut from conjuncted core center,
Single flat magnetic core blank product is become again after side is ground.
Accompanying drawing explanation
Fig. 1 is the front view of the conjuncted manganese-zinc ferrite core blank of this utility model.
Fig. 2 is the top view of the conjuncted manganese-zinc ferrite core blank of this utility model.
Fig. 3 is the front view of existing flat EFD magnetic core blank.
Fig. 4 is the top view of Fig. 3.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings, described embodiment
The not restriction to utility model protection scope, it is clear that those of ordinary skill in the art pay wound being not required to
Obtaining other embodiments on the premise of the property made work, these broadly fall into protection domain of the present utility model.
Shown in Fig. 1 and Fig. 2, a kind of conjuncted manganese-zinc ferrite core blank, it is by two shapes
Flat magnetic core blank on all four with size is formed by connecting, and said two magnetic core blank is from eccentric center pillar
Side alignment connects, and the base of two magnetic core blanks connects into conjuncted magnetic core base 1, in two bias
Post connects into the center pillar 3 being positioned at conjuncted magnetic core base base 1 center, and the limit foot of two magnetic core blanks connects into
Conjuncted magnetic core limit foot 2.Connection distance L between said two magnetic core blank is 3～10mm.
In order to be conducive to its blank sintering binder removal, when preventing multi-laminate from burning, blank center pillar cracking, the most described
The centre position, bottom surface of body magnetic core base offers morpheme groove 4 in the width direction.As preferably, described morpheme
The width of groove is the 1/2～2/3 of middle column length, and morpheme groove depth is 0.10～0.30mm.
This utility model, by being connected by two flat magnetic core blanks, makes the conjuncted magnetic core blank after connection
Center pillar at become symmetrical structure, change its single magnetic core blank eccentric structure state, decrease its turn round
The generation of bent deformation；Secondly, conjuncted magnetic core blank adds the width of blank, it is simple to magnetic core row's base, anti-
Only blank is fallen；The morpheme groove that conjuncted magnetic core blank base plate is offered, is conducive to its blank sintering binder removal, anti-
Blank center pillar cracking when only multi-laminate is burnt；This utility model is suitable for elongated and the highest flat
The production of EFD magnetic core product.After sintered for conjuncted blank forming, cut from conjuncted core center,
Single flat magnetic core blank product is become again after side is ground.
Claims (4)
1. a conjuncted manganese-zinc ferrite core blank, it is characterised in that:
It is formed by connecting by two on all four flat magnetic core blanks of shape and size, said two magnetic core blank connects from eccentric center pillar side alignment, the base of two magnetic core blanks connects into conjuncted magnetic core base (1), two eccentric center pillars connect into the center pillar (3) being positioned at conjuncted magnetic core base base (1) center, and the limit foot of two magnetic core blanks connects into conjuncted magnetic core limit foot (2).
Conjuncted manganese-zinc ferrite core blank the most according to claim 1, it is characterised in that:
The centre position, bottom surface of described conjuncted magnetic core base offers morpheme groove (4) in the width direction.
Conjuncted manganese-zinc ferrite core blank the most according to claim 2, it is characterised in that:
Width is middle column length 1/2～the 2/3 of described morpheme groove, morpheme groove depth is 0.10～0.30mm.
Conjuncted manganese-zinc ferrite core blank the most according to claim 1, it is characterised in that:
Connection distance L between said two magnetic core blank is 3～10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046275.5U CN205542377U (en) | 2015-12-15 | 2015-12-15 | Conjuncted manganese zinc ferrite core blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521046275.5U CN205542377U (en) | 2015-12-15 | 2015-12-15 | Conjuncted manganese zinc ferrite core blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205542377U true CN205542377U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521046275.5U Active CN205542377U (en) | 2015-12-15 | 2015-12-15 | Conjuncted manganese zinc ferrite core blank |
Country Status (1)
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| CN (1) | CN205542377U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424826A (en) * | 2017-08-31 | 2017-12-01 | 南通华兴磁性材料有限公司 | A kind of conjuncted mould and its method for forming of flat EFD type ferrites magnetic core |
| CN107919204A (en) * | 2016-10-08 | 2018-04-17 | 上海继胜磁性材料有限公司 | Ferrite core |
| CN109087772A (en) * | 2018-07-17 | 2018-12-25 | 江苏佰迪凯磁性材料有限公司 | The magnetic core of low-temperature-rise |
| CN113593847A (en) * | 2021-07-29 | 2021-11-02 | 沭阳康顺磁性器材有限公司 | Multilayer manganese zinc ferrite magnetic core for transformer |
-
2015
- 2015-12-15 CN CN201521046275.5U patent/CN205542377U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919204A (en) * | 2016-10-08 | 2018-04-17 | 上海继胜磁性材料有限公司 | Ferrite core |
| CN107424826A (en) * | 2017-08-31 | 2017-12-01 | 南通华兴磁性材料有限公司 | A kind of conjuncted mould and its method for forming of flat EFD type ferrites magnetic core |
| CN109087772A (en) * | 2018-07-17 | 2018-12-25 | 江苏佰迪凯磁性材料有限公司 | The magnetic core of low-temperature-rise |
| CN113593847A (en) * | 2021-07-29 | 2021-11-02 | 沭阳康顺磁性器材有限公司 | Multilayer manganese zinc ferrite magnetic core for transformer |
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