CN2881913Y - Special magnetic-field orientation forming module - Google Patents
Special magnetic-field orientation forming module Download PDFInfo
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- CN2881913Y CN2881913Y CN200520134495.3U CN200520134495U CN2881913Y CN 2881913 Y CN2881913 Y CN 2881913Y CN 200520134495 U CN200520134495 U CN 200520134495U CN 2881913 Y CN2881913 Y CN 2881913Y
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Abstract
The utility model relates to a structure improvement to a special magnetic-field orientation forming module used to conduct section orientation for permanent-magnet ferrite magnetic powder, which composes orienting poles and an upper module set component and lower module set component located between orienting poles. It is characterized in that: an upper wire package and lower wire package are arranged on peripheral positions of the upper module set component and the lower module set component; a lower concave module is designed on the lower module set component with a lower protruding module wrapping the underside of the lower concave module; a core pole which pierces the lower concave module and can contact a upper forming module core is arranged on the lower protruding module; a module cavity is formed between the core pole and the lower concave module; the exterior diameter of the upper module core is not less that of the core pole; the exterior diameter of the upper module' s end which contacts the core pole is not larger than that of the core pole. The utility model has advantages of: compact structure, high magnetic performance, evenly distributed magnetic rays, high production qualification rate, low manufacturing cost, east to promote and implement, ease and convenience to operate, ease to take out, high production efficiency.
Description
Technical field
The utility model relates to a kind of mould, especially relates to a kind of structural improvement that permanent magnetic ferrite magnetic powder is carried out the special magnetic field orientating mould of particular orientation.
Background technology
Along with the continuous development of household electrical appliances and information industry, high performance, miniaturization, lightness have become development trend.As the annular magnetic steel in the employed magnetron in the microwave oven, not only want cube little, the magnetic property height, and also the orientation of its magnetic field boundary also has special requirement.Traditional axial orientation magnet ring can not satisfy the industry and the needs of scientific and technological progress, and the magnet ring of radial magnetic aligning does not contact the magnetic drive magneto because of satisfying, and specific (special) requirements such as sensor element and being adopted more and more.But the making of the magnet steel of radial magnetic aligning and common magnet steel have very big difference, for can be low-cost, make such product expeditiously, people have carried out long-term exploration, have proposed diversified embodiment.
For example, Chinese patent literature discloses a kind of magnet steel mould (application number: CN98217048.3) that is used for special magnetic field orientating moulding, this magnet steel mould includes parts such as patrix, lower cavity die, lower supporting mold and core bar, be characterized in patrix, being provided with a not permeability alloys module, outside at lower cavity die is provided with field coil.This mould can suppress the magnet steel of various different magnetic field orientations, to satisfy the needs of various different household electrical appliance for the magnet steel of special magnetic field orientating by changing its not shape and volume of permeability alloys module.Though adopt such scheme can make the magnet ring in special magnetic field, the magnetic property of its product is not high, Distribution of Magnetic Field is even inadequately, is difficult to satisfy high-quality demand.On the other hand, because the structural design of mould is very unreasonable, the course of processing is comparatively loaded down with trivial details, and the rate of finished products of product is also lower, is difficult to apply.
Summary of the invention
The utility model mainly is that the design of solution existing in prior technology is very unreasonable, and the magnetic property of product is not high, the technical problem that the magnetic line of force distributes and very evenly do not wait; Provide a kind of reasonable in design, the special magnetic field orientating mould that compact conformation, product magnetic property height, the magnetic line of force are evenly distributed.
It is to solve existing in prior technology to be difficult to operation that the utility model also has a purpose, and the course of processing is comparatively loaded down with trivial details, and the rate of finished products of product is also lower, the technical problem that is difficult to apply etc.; A kind of operation, finished product rate height, low production cost, special magnetic field orientating mould that is easy to apply be convenient to is provided.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: special magnetic field orientating mould, comprise lead, be arranged on upper die component and following membrane module between the lead, it is characterized in that being respectively equipped with the reach the standard grade bag and the bag that rolls off the production line at described upper die component and following membrane module periphery; Be provided with core on the upper die component; Following membrane module is provided with lower cavity die, and the bottom of described lower cavity die is with a lower punch, be furnished with on the lower punch one be located on the lower cavity die and can with the contacted core bar of last core, form a die cavity between described core bar and the lower cavity die; The terminal external diameter of above-mentioned last core is not less than the external diameter of core bar, and contact with the core bar external diameter of an end of last core is not more than the external diameter of core bar.
The utility model is used to make annular magnet ring, in mould the permanent magnet ferromagnetic oxide powder is carried out particular orientation, to obtain the magnet ring of radial radiation.During moulding, mould is by the die assembly up and down that cooperatively interacts, and two line bags that produce highfields work that cooperatively interacts up and down.Magnetic line of force trend and the magnetic field that guides the radial orientation of generation by the shielding different parts.Form the radial alignment magnetic field loop of two compressings by the different parts of magnetic permeability, thereby make the magnetic single domain that is seated in the mould form radial orientations.Can produce the ring-shaped magnetic body of different size by the size that changes mould.
As preferably, described upper die component comprises cope match-plate pattern, and with the patrix cushion block that cope match-plate pattern connects, the patrix cushion block links to each other with the patrix fixed block by upper die plate, and the described core of going up is embedded in the patrix fixed block.
As preferably, described membrane module down comprises lower bolster, core bar fixed thereon, outside core bar, be with lower cavity die, the end of lower cavity die is enclosed within the lower punch bottom, and above-mentioned lower bolster is fixed on the supporting bracket, and described supporting bracket is matched by die cushion block and lower cavity die.
As preferably, described lower punch periphery is provided with the introduction by magnetic field plate, and described introduction by magnetic field plate is made by strong permeability magnetic material.
As preferably, described die cushion block, patrix fixed block, upper die plate and lower punch are made by weak permeability magnetic material.Relative permeability is not more than 1.
As preferably, described lower cavity die, core bar, lower bolster, supporting bracket, go up core, cope match-plate pattern and upper die plate and make by strong permeability magnetic material.Relative permeability is more than 80.
As preferably, described lower punch bottom is fixed with and is used for push rod that the product in the die cavity is ejected.
As preferably, the described length H1 that goes up core and core bar expose the ratio H1 of lower cavity die length H2 in addition: H2=1: 1～1: 3.
As preferably, described cope match-plate pattern is fixed on the press upper cylinder half briquetting, and described upper cylinder half briquetting is made by strong permeability magnetic material, and above-mentioned upper cylinder half briquetting is located between lead.
Therefore, the utlity model has following advantage: 1, reasonable in design, compact conformation, product magnetic property height, the magnetic line of force is evenly distributed; 2, finished product rate height, low production cost is easy to apply; 3, simple to operation, product takes out easily, the production efficiency height.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is that a kind of magnetic line of force of the present utility model moves towards figure;
Accompanying drawing 3 is to adopt the magnetic line of force of a kind of product section of the utility model making to move towards figure;
Accompanying drawing 4 is that the magnetic line of force that a kind of product of employing the utility model making is overlooked moves towards figure.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
Special magnetic field orientating mould comprises lead 12, is arranged on upper die component and following membrane module between the lead 12.Upper die component comprises cope match-plate pattern 2, and with the patrix cushion block 4 that cope match-plate pattern 2 connects, patrix cushion block 4 links to each other with patrix fixed block 6 by upper die plate 5, and the described core 17 of going up is embedded in the patrix fixed block 6.Following membrane module comprises lower bolster 16, core bar 14 fixed thereon is with lower cavity die 7 outside core bar 14, the end of lower cavity die 7 is enclosed within lower punch 10 bottoms, above-mentioned lower bolster 16 is fixed on the supporting bracket 9, and described supporting bracket 9 is matched by die cushion block 8 and lower cavity die 7.Lower punch 7 peripheries are provided with introduction by magnetic field plate 15.Cope match-plate pattern 2 is fixed on the press upper cylinder half briquetting 1, and upper cylinder half briquetting 1 is located at 12 of leads.The length H1 of last core 17 and core bar 14 expose the ratio H1 of the length H2 beyond the lower cavity die 7: H2=1: 3.
Upper die component and following membrane module periphery are respectively equipped with the reach the standard grade bag 3 and the bag 11 that rolls off the production line; Be provided with core 17 on the upper die component; Following membrane module is provided with lower cavity die 7, the bottom of described lower cavity die 7 is with a lower punch 10, be furnished with on the lower punch 10 one be located on the lower cavity die 7 and can with last core 17 contacted core bars 14, form a die cavity 13 between described core bar 14 and the lower cavity die 7; Above-mentioned last core 17 terminal external diameters are not less than the external diameter of core bar 14, and contact with core bar 14 external diameter of an end of last core 17 is not more than the external diameter of core bar 14.
Die cushion block 8, patrix fixed block 6, upper die plate 5 and lower punch 10 are made by weak permeability magnetic material.Upper cylinder half briquetting 1, introduction by magnetic field plate 15, lower cavity die 7, core bar 14, lower bolster 16, supporting bracket 9, last core 17, cope match-plate pattern 2 and upper die plate 5 are made by strong permeability magnetic material.The relative permeability of strong permeability magnetic material is more than 80.Weak permeability magnetic material relative permeability be not more than 1
Take out for the ease of the product that will make 20, lower punch 10 bottoms are fixed with and are used for push rod 18 that the products in the die cavity 13 are ejected.As shown in Figure 3 and Figure 4, be the magnet steel of the radial magnetic aligning of acquisition after magnetizing by this mould.
As shown in Figure 2, in the present embodiment, form the radial alignment magnetic field loop of two compressings by the different parts of magnetic permeability, thereby make the magnetic single domain that is seated in the mould form radial orientations.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used upper cylinder half briquetting 1, introduction by magnetic field plate 15, lower cavity die 7, core bar 14, lower bolster 16, supporting bracket 9, gone up terms such as core 17, cope match-plate pattern 2 and upper die plate 5 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1. a special magnetic field orientating mould comprises lead (12), is arranged on upper die component and following membrane module between the lead (12), it is characterized in that being respectively equipped with the reach the standard grade bag (3) and the bag (11) that rolls off the production line at described upper die component and following membrane module periphery; Be provided with core (17) on the upper die component; Following membrane module is provided with lower cavity die (7), the bottom of described lower cavity die (7) is with a lower punch (10), on lower punch (10), be furnished with one be located in that lower cavity die (7) is gone up and can with the contacted core bar of last core (17) (14), a formation die cavity (13) between described core bar (14) and the lower cavity die (7); The above-mentioned terminal external diameter of last core (17) is not less than the external diameter of core bar (14), and contact with core bar (14) external diameter of an end of last core (17) is not more than the external diameter of core bar (14).
2. special magnetic field orientating mould according to claim 1, it is characterized in that comprising cope match-plate pattern (2) at described upper die component, the patrix cushion block (4) that connects with cope match-plate pattern (2), patrix cushion block (4) links to each other with patrix fixed block (6) by upper die plate (5), and the described core (17) of going up is embedded in the patrix fixed block (6).
3. special magnetic field orientating mould according to claim 1, it is characterized in that comprising lower bolster (16) at described membrane module down, core bar fixed thereon (14), outside core bar (14), be with lower cavity die (7), the end of lower cavity die (7) is enclosed within lower punch (10) bottom, above-mentioned lower bolster (16) is fixed on the supporting bracket (9), and described supporting bracket (9) is matched by die cushion block (8) and lower cavity die (7).
4. according to claim 1 or 2 or 3 described special magnetic field orientating moulds, it is characterized in that being provided with introduction by magnetic field plate (15) in described lower punch (7) periphery, described introduction by magnetic field plate (15) is made by strong permeability magnetic material.
5. special magnetic field orientating mould according to claim 4 is characterized in that being made by weak permeability magnetic material at described die cushion block (8), patrix fixed block (6), upper die plate (5) and lower punch (10).
6. special magnetic field orientating mould according to claim 4 is characterized in that being made by strong permeability magnetic material at described lower cavity die (7), core bar (14), lower bolster (16), supporting bracket (9), last core (17), cope match-plate pattern (2) and upper die plate (5).
7. special magnetic field orientating mould according to claim 4 is characterized in that being fixed with in described lower punch (10) bottom and is used for push rod (18) that the product in the die cavity (13) is ejected.
8. according to claim 1 or 2 or 3 described special magnetic field orientating moulds, it is characterized in that the length H1 and the ratio H1 that core bar (14) exposes lower cavity die (7) length H2 in addition: the H2=1: 1～1: 3 of core (17) on described.
9. special magnetic field orientating mould according to claim 4 is characterized in that the length H1 and the ratio H1 that core bar (14) exposes lower cavity die (7) length H2 in addition: the H2=1: 1～1: 3 of core (17) on described.
10. special magnetic field orientating mould according to claim 4, it is characterized in that being fixed on the press upper cylinder half briquetting (1) at described cope match-plate pattern (2), described upper cylinder half briquetting (1) is made by strong permeability magnetic material, and above-mentioned upper cylinder half briquetting (1) is located between lead (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520134495.3U CN2881913Y (en) | 2005-12-31 | 2005-12-31 | Special magnetic-field orientation forming module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520134495.3U CN2881913Y (en) | 2005-12-31 | 2005-12-31 | Special magnetic-field orientation forming module |
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| Publication Number | Publication Date |
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| CN2881913Y true CN2881913Y (en) | 2007-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200520134495.3U Expired - Fee Related CN2881913Y (en) | 2005-12-31 | 2005-12-31 | Special magnetic-field orientation forming module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710784A (en) * | 2016-12-30 | 2017-05-24 | 上海三环磁性材料有限公司 | Radial two-pole magnetizing fixture |
| CN109435017A (en) * | 2018-11-27 | 2019-03-08 | 闫溪 | A kind of permanent-magnet ferrite hydraulic press magnetic field optimization structure |
-
2005
- 2005-12-31 CN CN200520134495.3U patent/CN2881913Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710784A (en) * | 2016-12-30 | 2017-05-24 | 上海三环磁性材料有限公司 | Radial two-pole magnetizing fixture |
| CN106710784B (en) * | 2016-12-30 | 2018-12-18 | 上海三环磁性材料有限公司 | A kind of radial direction the two poles of the earth magnetizing clamp |
| CN109435017A (en) * | 2018-11-27 | 2019-03-08 | 闫溪 | A kind of permanent-magnet ferrite hydraulic press magnetic field optimization structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20141231 |
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| EXPY | Termination of patent right or utility model |