CN203911690U - Back-pressure die used for rotor patch magnetic tile production - Google Patents
Back-pressure die used for rotor patch magnetic tile production Download PDFInfo
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- CN203911690U CN203911690U CN201420238674.0U CN201420238674U CN203911690U CN 203911690 U CN203911690 U CN 203911690U CN 201420238674 U CN201420238674 U CN 201420238674U CN 203911690 U CN203911690 U CN 203911690U
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- die
- rotor
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- shoe
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Abstract
The utility model discloses a back-pressure die used for rotor patch magnetic tile production. The die comprises an upper die, a female die, and a male die. The lower end face of the upper die is in a convex circular shape. The longitudinal of the upper die is provided with a plurality of dovetail grooves which are wide on the top and narrow on the bottom. The middle position of the upper part of the upper die is provided with an upper die insert. The upper die insert is made of a strong magnetic conductive material. The upper end face of the male die is in a concave circular shape. The upper end face of the male die is provided with a lower die insert. The thickness on the middle of the lower die insert is smaller than the thickness on two sides. The lower die insert is made of a weak magnetic conductive material. The lower end of the female is provided with a female die insert. The female die insert is made of a weak magnetic conductive material. The back-pressure die is characterized by simple structure, low cost, strong outer camber surface magnetic field, weak inner camber surface magnetic field, low backwater ratio, high production efficiency, and good use effect.
Description
Technical field
The utility model relates to magnetic shoe technology, is a kind of shoe counter-pressure mould of producing for rotor paster magnetic shoe specifically.
Background technology
Permanent ferrite tile-shaped magnet steel, is called for short magnetic shoe.Magnetic shoe is widely used in the fields such as permanent magnet DC motor factory, auto industry automation, and magnetic shoe is different from magnetic brasses sheet, and instructions for use performance is high, consistency will be got well.Magnetic shoe processing mold generally comprises patrix, punch and die, and punch is strong permeability magnetic material, and die is weak permeability magnetic material, then carries out moulding.Rotor paster magnetic shoe characteristic requirements outer arc Surface field intensity is greater than inner arc Surface field intensity, therefore can there is following technical problem in structure of the prior art:
1, magnetic shoe outer arc Surface field intensity of the prior art is less than inner arc Surface field intensity, and common die is inapplicable;
While 2, producing, water holes backwater rate is high, affects production efficiency and product effect.
Utility model content
The purpose of this utility model is to overcome the deficiency that above prior art exists, and a kind of simple in structure, low cost, extrados magnetic field is strong, intrados magnetic field is weak, backwater rate is low, production efficiency is high and result of use the is good shoe counter-pressure mould of producing for rotor paster magnetic shoe are provided.
In order to achieve the above object, the utility model by the following technical solutions: a kind of shoe counter-pressure mould of producing for rotor paster magnetic shoe, comprises patrix, die and punch; Wherein, patrix lower surface is evagination circular arc, patrix longitudinally arranges some dovetail grooves wide at the top and narrow at the bottom, and patrix upper middle position arranges patrix mold insert, and patrix mold insert is used strong permeability magnetic material, punch upper surface is indent circular arc, punch upper surface is also provided with counterdie empiecement, and counterdie empiecement interior thickness is less than the thickness of both sides, and counterdie empiecement is used weak permeability magnetic material, die lower end is provided with die mold insert, and die mold insert is weak permeability magnetic material.
Described strong permeability magnetic material is pure iron material, and weak permeability magnetic material is non-magnetic rustproof Steel material.
The lower surface of described counterdie empiecement is vertical punch plane longitudinally.
Described patrix is used pure iron material.
Described dovetail groove top width is 2～3mm, and the following width of dovetail groove is 1～1.5mm.
Described dovetail groove is vertical setting.
Described dovetail groove is arranged centered by the center of circle of dome arc beyond being radially.
The height of described die mold insert is 8～10mm, the outer back gauge punch outside 5～7mm of die mold insert.
The utility model, with respect to prior art, has following advantage and effect:
1, the utility model comprises patrix, die and punch, wherein, patrix lower surface is evagination circular arc, patrix longitudinally arranges some dovetail grooves wide at the top and narrow at the bottom, patrix upper middle position arranges patrix mold insert, patrix mold insert is used strong permeability magnetic material, punch upper surface is indent circular arc, punch upper surface is also provided with counterdie empiecement, counterdie empiecement interior thickness is less than the thickness of both sides, counterdie empiecement is used weak permeability magnetic material, die lower end is provided with die mold insert, die mold insert is weak permeability magnetic material, have simple in structure, low cost, extrados magnetic field is strong, a little less than intrados magnetic field, backwater rate is low, the feature such as the high and result of use of production efficiency is good.
2, the dovetail groove top width in the utility model is 2～3mm, and the following width of dovetail groove is 1～1.5mm, can effective anti-non-return water, and the demoulding is simpler, and production efficiency is high.
3, the utility model can be produced the product that outer arc Surface field intensity is greater than inner arc Surface field intensity, and corrosion resistance is strong, long service life.
4, the protuberance in the utility model is chamfering structure, can meet customer requirement, and in addition, the magnetic field at magnetic shoe two ends can reduce, and result of use is good.
5, the die mold insert in the utility model is weak permeability magnetic material, and the height of die mold insert is 8～10mm, the outer back gauge punch outside 5～7mm of die mold insert, and surface, can make the magnetic field on outer arc surface further concentrate after deliberation, and result of use is better.
6, the patrix mold insert in the utility model is used strong permeability magnetic material, can reduce billet surface cracking probability, can further reduce again the Surface field of intrados.
7, the counterdie empiecement interior thickness in the utility model is less than the thickness of both sides, and such structure can guarantee that extrados table magnetic strengthens.
8, the strong permeability magnetic material in the utility model is pure iron material, and weak permeability magnetic material is non-magnetic rustproof Steel material, and easy-formation is corrosion-resistant, long service life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the shoe counter-pressure mould of producing for rotor paster magnetic shoe.
Number in the figure and title are as follows:
| 1 | Patrix | 2 | Die |
| 3 | Punch | 4 | Dovetail groove |
| 5 | Patrix mold insert | 6 | Counterdie empiecement |
| 7 | Die mold insert | 8 | Magnetic shoe |
Embodiment
For ease of it will be appreciated by those skilled in the art that the utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
As shown in Figure 1, a kind of shoe counter-pressure mould of producing for rotor paster magnetic shoe, comprises patrix 1, die 2 and punch 3; Wherein, patrix 1 lower surface is evagination circular arc, patrix 1 longitudinally arranges some dovetail grooves wide at the top and narrow at the bottom 4, and patrix 1 upper middle position arranges patrix mold insert 5, and patrix mold insert 5 is used strong permeability magnetic material, punch 3 upper surfaces are indent circular arc, punch 3 upper surfaces are also provided with counterdie empiecement 6, and counterdie empiecement 6 interior thicknesses are less than the thickness of both sides, and counterdie empiecement 6 is used weak permeability magnetic material, die 2 lower ends are provided with die mold insert 7, and die mold insert 7 is weak permeability magnetic material.
Strong permeability magnetic material in the present embodiment is pure iron material, weak permeability magnetic material is non-magnetic rustproof Steel material, the lower surface of counterdie empiecement 6 is vertical punch plane longitudinally, and patrix 1 is used pure iron material, and dovetail groove 4 top width are 2～3mm, the following width of dovetail groove 4 is 1～1.5mm, dovetail groove 4 in the present embodiment is vertical setting, and the height of die mold insert 7 is 8～10mm, the outer back gauge punch 3 outside 5～7mm of die mold insert 7, real work is that magnetic shoe 8 is between patrix 1 and punch 3.
Embodiment 2:
The present embodiment difference from Example 1 is: dovetail groove in the present embodiment 4 for beyond arrange radially centered by the center of circle of dome arc.
Above-mentioned embodiment is preferred embodiment of the present utility model; can not limit the utility model; other any change that does not deviate from the technical solution of the utility model and make or other equivalent substitute mode, within being included in protection range of the present utility model.
Claims (8)
1. a shoe counter-pressure mould of producing for rotor paster magnetic shoe, is characterized in that: comprise patrix, die and punch; Wherein, patrix lower surface is evagination circular arc, patrix longitudinally arranges some dovetail grooves wide at the top and narrow at the bottom, and patrix upper middle position arranges patrix mold insert, and patrix mold insert is used strong permeability magnetic material, punch upper surface is indent circular arc, punch upper surface is also provided with counterdie empiecement, and counterdie empiecement interior thickness is less than the thickness of both sides, and counterdie empiecement is used weak permeability magnetic material, die lower end is provided with die mold insert, and die mold insert is weak permeability magnetic material.
2. the shoe counter-pressure mould of producing for rotor paster magnetic shoe according to claim 1, is characterized in that: described strong permeability magnetic material is pure iron material, and weak permeability magnetic material is non-magnetic rustproof Steel material.
3. the shoe counter-pressure mould of producing for rotor paster magnetic shoe according to claim 1, is characterized in that: the lower surface of described counterdie empiecement is vertical punch plane longitudinally.
4. the shoe counter-pressure mould of producing for rotor paster magnetic shoe according to claim 1, is characterized in that: described patrix is used pure iron material.
5. the shoe counter-pressure mould of producing for rotor paster magnetic shoe according to claim 1, is characterized in that: described dovetail groove top width is 2～3mm, and the following width of dovetail groove is 1～1.5mm.
6. the shoe counter-pressure mould of producing for rotor paster magnetic shoe according to claim 1, is characterized in that: described dovetail groove arranges for vertical.
7. the shoe counter-pressure mould of producing for rotor paster magnetic shoe according to claim 1, is characterized in that: described dovetail groove for beyond arrange radially centered by the center of circle of dome arc.
8. the shoe counter-pressure mould of producing for rotor paster magnetic shoe according to claim 1, is characterized in that: the height of described die mold insert is 8～10mm, the outer back gauge punch outside 5～7mm of die mold insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238674.0U CN203911690U (en) | 2014-05-09 | 2014-05-09 | Back-pressure die used for rotor patch magnetic tile production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238674.0U CN203911690U (en) | 2014-05-09 | 2014-05-09 | Back-pressure die used for rotor patch magnetic tile production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203911690U true CN203911690U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420238674.0U Active CN203911690U (en) | 2014-05-09 | 2014-05-09 | Back-pressure die used for rotor patch magnetic tile production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203911690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578871A (en) * | 2017-09-26 | 2018-01-12 | 浙江东阳东磁稀土有限公司 | A kind of preparation method of the radially oriented magnetic shoe of high-performance |
-
2014
- 2014-05-09 CN CN201420238674.0U patent/CN203911690U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107578871A (en) * | 2017-09-26 | 2018-01-12 | 浙江东阳东磁稀土有限公司 | A kind of preparation method of the radially oriented magnetic shoe of high-performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170822 Address after: 322108, Keats Road 55, Hengdian Town, Jinhua, Zhejiang, Dongyang Patentee after: Dongyang add Qi motor magnetic tile Co., Ltd. Address before: 322110, No. 55 Keats Road, Hengdian Electronic Industry Park, Jinhua, Zhejiang, Dongyang Patentee before: Dongyang Sunyoung Magnetic Segment Co., Ltd. |
|
| TR01 | Transfer of patent right |