CN201804655U - Micro magnetic shell integrally magnetizing apparatus - Google Patents
Micro magnetic shell integrally magnetizing apparatus Download PDFInfo
- Publication number
- CN201804655U CN201804655U CN2010202402251U CN201020240225U CN201804655U CN 201804655 U CN201804655 U CN 201804655U CN 2010202402251 U CN2010202402251 U CN 2010202402251U CN 201020240225 U CN201020240225 U CN 201020240225U CN 201804655 U CN201804655 U CN 201804655U
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- magnetizer
- coil
- pure iron
- iron yoke
- electromagnetic pure
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Abstract
The utility model discloses a micro magnetic shell integrally magnetizing apparatus, comprising an upper magnetizing device and a lower magnetizing device, the lower magnetizing device includes a cast iron housing, a lower electromagnetic pure iron yoke and a copper coil; a middle part of the cast iron housing is provided with a coil table; periphery of the coil table is provided with a ring-shaped groove; the copper coil is fixed to the coil table by location rods at two ends of an edge diameter line thereof; the lower magnetic pure iron yoke is a wholly-covering structure, and adhesively fixed by being sleeved on four sides of an internal square of the copper coil; the square in the copper coil is cut off from copper wires at three crossing points of an external square of the copper coil; the ring-shaped groove is injected with epoxy resin glue; the upper magnetizing device is an inverted lower magnetizing device, of which an upper electromagnetic pure iron yoke is a half-covering structure; and the upper magnetizing device is movably installed over the lower magnetizing device by the location rods. The micro magnetic shell integrally magnetizing apparatus can perform saturation magnetization on stereo relatively placed magnetic sheets to be magnetized.
Description
Technical field
The utility model relates to magnetic patch and makes the field, particularly relates to the whole magnetizer of a kind of miniature magnetic shell.
Background technology
The design of digital cell phone camera and manufacturing trend develop to microminiaturization, cause the magnetic patch of its focusing in motor can only select the rare-earth Nd-Fe-B magnetic material of magnetic energy product maximum for use.Magnetic shell sleeve in the focus adjusting mechanism is that 4 magnetic sheets are fixed in the groove, and the magnetic shell sleeve is of a size of length and width 8～9mm, high 5mm, and its material is generally plastics, and magnetic sheet is of a size of long 6mm, wide 2mm, thickness 0.5mm.
At present magnetic sheet is fixed in the manufacture method in the groove, generally select the gluing method of ultraviolet light polymerization for use, at first magnetic sheet is carried out saturated magnetizing, its condition of magnetizing is 2100 μ F and 2000V, with point gum machine trace is solidified the glue point behind the magnetic sheet surface, be attached in the groove of magnetic shell sleeve, make its curing about 1 hour with the ultraviolet light direct projection.This moment, the temperature of magnetic sheet can reach 90 ℃～120 ℃.
Yet ambient temperature is very big for the influence of neodymium iron boron magnetic material, environment moment maximum temperature and lasting maximum temperature all may produce in various degree demagnetization to magnet, comprise reversible with irreversible, recoverable and expendable.Magnetic sheet after solidifying disassembled measure, find to decline to a great extent after more saturated the magnetizing of relative flux value of magnetic sheet, i.e. demagnetization rate is 5%-10%.
In order to keep magnetic property, not using instead under the prerequisite of high-performance magnetic material more, can only earlier four magnetic sheets be solidified on the magnetic shell sleeve, magnetize again.This moment, the mode that magnetizes transferred cubic phase to formula by original plane formula, because the magnetic shell sleeve dimensions is very little, so general plane magnetizer can't be realized at all.
Summary of the invention
Technical problem to be solved in the utility model provides the whole magnetizer of a kind of miniature magnetic shell, can carry out saturated magnetizing to the magnetic sheet to be magnetized that the relative formula of solid is put.
The technical scheme that its technical problem that solves the utility model adopts is: provide a kind of miniature magnetic shell whole magnetizer, comprise magnetizer and following magnetizer, described magnetizer down comprises cast iron housing, following electromagnetic pure iron yoke and copper coil; Be provided with the coil mounting table in the middle of the described cast iron housing; Be provided with cannelure around the described coil mounting table; Described copper coil is fixed on the described coil mounting table by the backstay at its edge diameter line two ends; Described down electromagnetic pure iron yoke is the full-enclosed structure, and it is fixing to be enclosed within the described copper coil on the tetragonal four edges bonding; Square disconnects with outer tetragonal three intersection point place copper cash in the described copper coil; Irritate in the described cannelure epoxide-resin glue is arranged; The described magnetizer of going up is an inverted magnetizer down; The described magnetizer of going up replaces with the electromagnetic pure iron yoke with the following electromagnetic pure iron yoke in the described magnetizer down; Described upward electromagnetic pure iron yoke is the half-packaging structure; The described magnetizer of going up is installed in the described top of magnetizer down versatilely by described backstay.
Be bonded with one deck epoxy resin sheet material on the described coil mounting table.
Described cast iron housing inside has the cooling duct; Described cooling duct is positioned at the below of described coil mounting table, communicates with the cooling water pipe interface.
Described electromagnetic pure iron yoke and the following electromagnetic pure iron yoke gone up all is fixed in the copper coil corresponding with it on tetragonal four edges by epoxide-resin glue.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art, have following advantage and good effect: copper coil of the present utility model and electromagnetic pure iron yoke up and down all can be processed according to the form factors requirement that the product of waiting to magnetize is installed the magnetic shell sleeve, can reach the precision of 0.02mm by the line cutting processing, the position of can magnetic shell sleeve accurately fixedly to be magnetized magnetizing, make electromagnetic pure iron yoke maximization surface near the product of waiting to magnetize, the magnetic field that the magnet charger discharge is produced at utmost acts on the product of waiting to magnetize, and can realize saturated magnetizing.Because the magnetic shell sleeve after magnetizing does not pass through the hot setting operation, so its magnetic property retention is 100%.
Description of drawings
Fig. 1 is a magnetizer cutaway view up and down of the present utility model;
Fig. 2 is a cast iron housing vertical view of the present utility model;
Fig. 3 is the schematic diagram that magnetizes of the present utility model;
Fig. 4 is a magnetizer structural representation down of the present utility model.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Execution mode of the present utility model relates to the whole magnetizer of a kind of miniature magnetic shell, as shown in Figure 1, comprises magnetizer and following magnetizer, and described magnetizer down comprises cast iron housing 1, following electromagnetic pure iron yoke 3 and copper coil 2; Be provided with coil mounting table 6 in the middle of the described cast iron housing 1; Be provided with cannelure 7 around the described coil mounting table 6; Described copper coil 2 is fixed on the described coil mounting table 6 by the backstay 5 at its edge diameter line two ends; Described down electromagnetic pure iron yoke 3 be the full-enclosed structure, and is enclosed within the described copper coil 2 on the tetragonal four edges bonding and fixes; Square disconnects with outer tetragonal three intersection point place copper cash in the described copper coil 2; Irritate in the described cannelure 7 epoxide-resin glue is arranged; The described magnetizer of going up is an inverted magnetizer down; The described magnetizer of going up replaces with electromagnetic pure iron yoke 4 with following electromagnetic pure iron 3 yokes in the described magnetizer down; Described upward electromagnetic pure iron yoke 4 is the half-packaging structure; The described magnetizer of going up is installed in the described top of magnetizer down versatilely by described backstay 5, can slide up and down the putting into and taking out of magnetic shell sleeve 12 conveniently to be magnetized with going up magnetizer.
As shown in Figure 2, be coil mounting table 6 in the middle of the cast iron housing 1, its processing request is smooth, in order to the horizontal positioned of assurance copper coil 2, and will be on coil mounting table 6 bonding one deck epoxy resin sheet material, play insulating effect with this.The outer ring of coil mounting table 6 has cannelure 7, is used for the filling of filling out of epoxide-resin glue.In cannelure 7, have two symmetrical location holes 11, be used for installing and locating bar 5.Cast iron housing 1 inside is provided with cooling duct 8, and this cooling duct 8 is positioned at the below of coil mounting table 6, communicates with cooling water pipe interface 10, is used for the circulation of cooling agent, to keep the low temperature of cast iron housing 1 and copper coil 2.One side of cast iron housing 1 has cable port 9, and the processing request of cable port 9 is that its diameter is identical with the cable diameter, can guarantee putting into cable, and ne-leakage behind the infusion epoxy resin glue.
As shown in Figure 3, following electromagnetic pure iron yoke 3 and last electromagnetic pure iron yoke 4 respectively by about 2 the part form, after being looped around them on interior tetragonal four limits of copper coil 2, and it is bonding with epoxide-resin glue, fill space between electromagnetic pure iron yoke 4 and following electromagnetic pure iron yoke 3 and the copper coil 2 with this, can play the effect of bonding firm and insulation.After being positioned over down magnetic shell sleeve 12 on the magnetizer, magnetize down iron yoke 3 and on the magnetize projection of iron yoke 4 just in time aim at the center of the magnetic sheet 13 of waiting to magnetize, to play the effect of strengthening the magnetic field of magnetizing.
As shown in Figure 4, with electromagnetic pure iron yoke 3 and copper coil 2 are fixed on the coil mounting table 6 of cast iron housing 1 by backstay 5 down, square disconnects (three " * " is expressed as disconnection among Fig. 4) with the copper cash at outer tetragonal three intersection point places in the copper coil 2, forms to guarantee current circuit.Cable with Φ 12 is connected on pad 14 and the pad 15, guide on the discharge end both positive and negative polarity that is connected to magnet charger outside the magnetized head from cable port 9, in 500 μ F and 1,700V～1, just can put under the condition that magnetizes of 800V the magnetic shell sleeve of the magnetic sheet that do not magnetize bonding, discharge is magnetized.Cooling water pipe is received cooling water pipe interface 10 places, will process mouth 16 and block to guarantee that cooling water circulation loop forms.
When magnetizing, as shown in Figure 1 and Figure 4, go up the cast iron housing 1 of magnetizer in the elder generation, magnetic shell sleeve 13 to be magnetized is placed on down in the cast iron housing 1 of magnetizer, following electromagnetic pure iron yoke 3 can be fixed the position of magnetic shell sleeve 13, the cast iron housing 1 that to go up magnetizer again is closed downwards, to be connected on the discharge end both positive and negative polarity of magnet charger from the cable that cable port 9 is drawn, control magnet charger capacitor discharge, cast iron housing 1 can be had an effect magnetic field shielding in magnetizer inside, strengthen the effect that magnetizes, avoided high-intensity magnetic field interference to external world.The cooling water water pipe links to each other with the cooling duct 8 of cast iron housing inside by cooling water pipe interface 10, after multiple discharge magnetizes, the temperature of copper coil 2 and cast iron housing 1 can rise, and adds temperature that cooling agent can keep copper coil this moment at 16 ℃, increases the access times of copper coil 2.
Be not difficult to find, copper coil and electromagnetic pure iron yoke up and down all can be processed according to the form factors requirement that the product of waiting to magnetize is installed the magnetic shell sleeve, can reach the precision of 0.02mm by the line cutting processing, the position of magnetizing of magnetic shell sleeve that can be accurately fixedly to be magnetized, make the surface of up and down electromagnetic pure iron yoke maximization near the product of waiting to magnetize, the magnetic field that the magnet charger discharge is produced at utmost acts on the product of waiting to magnetize, and can realize saturated magnetizing.Because the magnetic shell sleeve after magnetizing does not pass through the hot setting operation, so its magnetic property retention is 100%.
Claims (4)
1. the whole magnetizer of miniature magnetic shell comprises magnetizer and following magnetizer, it is characterized in that, described magnetizer down comprises cast iron housing (1), following electromagnetic pure iron yoke (3) and copper coil (2); Be provided with coil mounting table (6) in the middle of the described cast iron housing (1); Be provided with cannelure (7) around the described coil mounting table (6); Described copper coil (2) is fixed on the described coil mounting table (6) by the backstay (5) at its edge diameter line two ends; Described down electromagnetic pure iron yoke (3) be the full-enclosed structure, and is enclosed within the described copper coil (2) on the tetragonal four edges bonding and fixes; The interior square of described copper coil (2) disconnects with outer tetragonal three intersection point place copper cash; Irritate in the described cannelure (7) epoxide-resin glue is arranged; The described magnetizer of going up is an inverted magnetizer down; The described magnetizer of going up replaces with electromagnetic pure iron yoke (4) with the following electromagnetic pure iron yoke (3) in the described magnetizer down; Described upward electromagnetic pure iron yoke (4) is the half-packaging structure; The described magnetizer of going up is installed in the described top of magnetizer down versatilely by described backstay (5).
2. the whole magnetizer of miniature magnetic shell according to claim 1 is characterized in that, is bonded with one deck epoxy resin sheet material on the described coil mounting table (6).
3. the whole magnetizer of miniature magnetic shell according to claim 1 is characterized in that described cast iron housing (1) inside has cooling duct (8); Described cooling duct (8) is positioned at the below of described coil mounting table (6), communicates with cooling water pipe interface (10).
4. the whole magnetizer of miniature magnetic shell according to claim 1 is characterized in that, described upward electromagnetic pure iron yoke (4) and following electromagnetic pure iron yoke (3) all are fixed on the interior tetragonal four edges of copper coil corresponding with it (2) by epoxide-resin glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202402251U CN201804655U (en) | 2010-06-25 | 2010-06-25 | Micro magnetic shell integrally magnetizing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202402251U CN201804655U (en) | 2010-06-25 | 2010-06-25 | Micro magnetic shell integrally magnetizing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201804655U true CN201804655U (en) | 2011-04-20 |
Family
ID=43874157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202402251U Expired - Fee Related CN201804655U (en) | 2010-06-25 | 2010-06-25 | Micro magnetic shell integrally magnetizing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201804655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112151231A (en) * | 2019-06-27 | 2020-12-29 | 株式会社诺钯特 | Circuit board including individual magnet parts and magnet mounting method using SMT apparatus |
-
2010
- 2010-06-25 CN CN2010202402251U patent/CN201804655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112151231A (en) * | 2019-06-27 | 2020-12-29 | 株式会社诺钯特 | Circuit board including individual magnet parts and magnet mounting method using SMT apparatus |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20170625 |