CN109687075A - A kind of isolator shell, using isolator of the shell and preparation method thereof - Google Patents
A kind of isolator shell, using isolator of the shell and preparation method thereof Download PDFInfo
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- CN109687075A CN109687075A CN201910085414.1A CN201910085414A CN109687075A CN 109687075 A CN109687075 A CN 109687075A CN 201910085414 A CN201910085414 A CN 201910085414A CN 109687075 A CN109687075 A CN 109687075A
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- isolator
- cavity
- shell
- locating part
- cover board
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- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 30
- 238000001746 injection moulding Methods 0.000 claims abstract description 10
- 238000005245 sintering Methods 0.000 claims abstract description 8
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 210000000078 claw Anatomy 0.000 claims description 29
- 239000011230 binding agent Substances 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 16
- -1 ferrous metals Chemical class 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 4
- 238000010923 batch production Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 8
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/36—Isolators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Non-Reversible Transmitting Devices (AREA)
Abstract
The invention discloses a kind of isolator shell, using isolator of the shell and preparation method thereof, be related to communication instrument technical field.Wherein, a kind of isolator shell, including cavity and cover board, for being embedded the opening side of cover board integrally formed with several clamping locating parts on cavity, the circumferentially interval setting on cavity of each clamping locating part.A kind of isolator, including above-mentioned shell.A kind of preparation method of isolator, including powder mixing, be granulated, injection moulding, catalysis with sintering, assembling and etc..The present invention provides stable structure, firm, help to reduce isolator processing cost a kind of isolator shell and electrical property and security performance it is prominent, be suitable for batch production, and a kind of higher isolator of product quality and a kind of for producing the preparation method of the isolator.
Description
Technical field
The present invention relates to communication instrument technical fields, specifically, it is related to a kind of isolator shell, using the shell
Isolator and preparation method thereof.
Background technique
Isolator is that one kind is widely used in the neck such as base station, repeater, terminal and its test macro and radar, satellite communication
Device in field communication equipment, mainly by groups such as cavity, permanent magnet, magnetic conduction disk, gyromagnetic ferrite, temperature compensation piece, load, cover boards
At.It is a kind of using ferrite gyromagnetic material, and rotation is generated under the collective effect in external high-frequency wave field Yu Constant Direct Current magnetic field
Magnetic characteristic will enter the incident electromagnetic wave of its either port, be passed to next end according to the direction sequence determined by quiet bias field
The multiport device of mouth.The characteristic of this one-way transmission high-frequency signal is chiefly used in output end and the load of high frequency power amplifier
Between, play mutually isolated effect.Load impedance does not influence power amplifier in varying situations, to protect power amplifier.
Wherein cavity primarily serves the effects of mechanical support, magnetic conduction, conduction, encapsulation, and the processing method of cavity includes at present
Machining, punching press, injection moulding etc..It is well known that machining can preparation structure Complex Parts, but production efficiency is low, at high cost；Punching
Press at low cost, but material limitation is big, it is difficult to shape complex parts, and will increase subsequent assembling cost；And metal powder is infused
It penetrates molding to be suitble to produce small and complicated metal parts in enormous quantities, and material selectivity is big, good product performance.
And cavity and cover board mostly use threaded connection at present, cavity sets internal screw thread, cover board sets external screw thread, and the two is threadedly engaged
And effectively encapsulate inside cavity content.And screw thread process is time-consuming and laborious, higher cost, the problems such as being easy to appear stripped thread, and
Burr clast during spiral cover on screw thread may be fallen on portion's device in the cavity.As it can be seen that cavity and cover board are connected using screw thread
The mode connect not only results in isolator assemblies and is not fixed firmly, but also that there are electrical properties is bad, security performance is insufficient etc. lacks
It falls into.
With the rapid development of Internet, and 5G technology it is universal, the size of isolator is smaller and smaller, and demand is more next
It is bigger, it needs to design a kind of low-cost, high-volume, high quality isolator preparation method.
Summary of the invention
In view of the above technical problems, the object of the present invention is to provide a kind of isolator shell, using the isolator of the shell
And preparation method thereof, complicated machining is avoided, the fit system of cavity Yu the traditional threaded connection of shell is abandoned, reduces processing
Cost improves the fixed fixing of isolator assemblies, guarantees the electrical property and security performance of isolator, so that isolation be greatly improved
The product quality of device.
To achieve the above object, a kind of technical solution provided by the invention is:
A kind of isolator, including cavity and cover board, on the cavity for be embedded the opening side one of cover board at
Type has several clamping locating parts, the circumferentially interval setting on cavity of each clamping locating part；
When the cover board is not embedded into cavity, each clamping locating part is in upright state；
When the cover board insertion cavity in after, each clamping locating part fold inward and limit cover board be detached from cavity open
Mouthful.
By using above-mentioned technical proposal, before cover board is embedded in cavity, each clamping locating part is kept upright state, it is ensured that
Cover board can easily be embedded in cavity.After cover board is embedded in cavity, staff is by each clamping locating part fold inward；At this point, each
Clamping locating part can play the role of limit and clamping to cover board, and cover board is prevented to be detached from from cavity, and guarantee the stabilization of cover board
Property.In this way, the fit system for having abandoned threaded connection traditional between cavity and cover board avoids processing screw thread, and
Indirectly avoid and be threadedly coupled the problem of existing stripped thread and burr clast are fallen, has been processed into can not only reduce
This, guarantees the fixed fixing of isolator assemblies, moreover it is possible to which the electrical property and security performance for improving isolator fully ensure that isolator
Product quality.
The present invention is further arranged to: the cavity includes bottom plate, and the bottom plate side is at least vertically and fixedly provided with three and is in
The arc panel of even circumferential distribution；The clamping locating part is in side of each arc panel far from bottom plate at least provided with one.
By using above-mentioned technical proposal, each clamping locating part is separately positioned on each arc panel, so that each clamping limits
Position part can be uniformly distributed, so that each clamping locating part can uniformly exert a force to cover board, guarantee the stability of cover board installation, to improve
The fixed fixing of isolator assemblies.
The present invention is further arranged to: the height of the clamping locating part is the 15%~25% of cavity internal diameter, the card
Hold locating part width be arc panel length 1/4~1/2, the clamping locating part with a thickness of arc plate thickness 1/3~
2/3。
By using above-mentioned technical proposal, the height of clamping locating part is controlled, guarantees that staff can convenient each card of bending
Hold locating part；The width for controlling clamping locating part enables clamping locating part to come into full contact with cover board, guarantees the steady of cover board installation
It is qualitative；The thickness of clamping locating part is controlled, not only can guarantee the convenience that can hold locating part bending, but also can guarantee that clamping limits
Position part has sufficient intensity.
The present invention is further arranged to: the clamping locating part is claw, and the two sides of the claw width direction form
There is bevelling, and the size of the bevelling is 0.2~0.5mm.
By using above-mentioned technical proposal, by molding bevelling on claw, the convenient of claw bending is not only improved
Property, reduce the impaired risk in claw corner, moreover it is possible to improve the aesthetics of isolator.
To achieve the above object, another technical solution provided by the invention is: a kind of isolator, including above-mentioned shell.
By using above-mentioned technical proposal, above-mentioned shell is directly applied in the isolator, is especially arranged by this
Shell, reduces the processing cost of isolator, guarantees the fixed fixing of isolator assemblies, moreover it is possible to improve isolator electrical property and
Security performance.
To achieve the above object, another technical solution provided by the invention is: a kind of preparation method of isolator, institute
The isolator produced includes above-mentioned shell, and is included the following steps:
S1, powder mixing, uniform mixing of metal powder and binder；
S2, granulation are granulated the mixture of metal powder and binder, and uniform powder particle is made；
S3, injection moulding；
S4, catalysis and sintering；
S5, assembling.
By using above-mentioned technical proposal, first metal powder is mixed with binder, and its mixture is granulated, obtained
Uniform powder particle is further used as injection molding raw material；After the completion of injection, the green body of isolator shell will be obtained.At this
During a, binder is used for bonded metal powder particle, so that mixture has rheological characteristic and lubricity after the heating, it can
Regard the carrier of entire powder as.After obtaining above-mentioned green body, in step s 4, degreasing can be carried out to green body by catalysis, so that
Binder removing in green body, then through being sintered so that the blank Densification, obtains required shell.Finally, by isolator its
It is assemblied together during him with shell, that is, obtains final isolator.In this way, traditional mach mode has been abandoned
Isolator shell is made, helps to reduce processing cost, suitable for the mass production of isolator, and product can be greatly improved
Energy.
The present invention is further arranged to: metal powder used in step S1 and binder are respectively ferrous metals powder and modeling
Based binder, and the ferrous metals powder and modeling based binder are uniformly mixed according to the mass ratio of 92:8.
By using above-mentioned technical proposal, mixed with modeling based binder by the mass ratio of 92:8 using ferrous metals powder
And as injection molding raw material, on the basis of avoiding cost excessively high, the service performance of isolator shell can be fully ensured that.
The present invention is further arranged to: step S3 is completed using injection (mo(u)lding) machine, and using bottom spot pouring mouth into pouring；It is infusing
Before penetrating, also feeding should be heated to molten condition at 180~200 DEG C.
By using above-mentioned technical proposal, using bottom spot pouring mouth into mode of pouring, flow velocity increases when raw material passes through cast gate,
In addition the effect of frictional force, the temperature of raw material is increased, and can obtain that shape is clear, the green body of lustrous surface；Meanwhile after die sinking
Cast gate can automatic breaking, be conducive to automatic operation；Also, after removing cast gate, the trace left on green body is unobvious, no
Influence aesthetics.
The present invention is further arranged to: the temperature being sintered in step S4 is 1250~1300 DEG C.
By using above-mentioned technical proposal, the temperature of sintering is controlled at 1250~1300 DEG C, guarantees that green body can be caused sufficiently
Densification guarantees the Forming Quality of shell.
The present invention is further arranged to: in step s 5, should be proceeded as follows: after cover board is embedded in cavity, with bending
Tool compresses each clamping locating part on cavity, so that each clamping locating part is synchronized and bent inwards；
The side indent of the bending tool forms the embedded groove for being embedded each clamping locating part, and the embedded groove is in
Horn-like structure, the internal diameter of the embedded groove opening inner wall are greater than the internal diameter of inner wall near its bottom.
By using above-mentioned technical proposal, by above-mentioned bending tool, staff can easily complete each clamping limit
The synchronous bending of part, not only facilitates raising working efficiency, moreover it is possible to which the limit effect for guaranteeing each clamping locating part improves product
Aesthetics.
In conclusion the invention has the following advantages:
1, by being uniformly arranged multiple clamping locating parts on cavity, and limit is clamped with each clamping locating part after bending
Position cover board, abandons the mounting means of cavity Yu the traditional threaded connection of cover board, in the base for guaranteeing the fixed property of isolator assemblies
On plinth, the electrical property and security performance of isolator are improved, to greatly improve the product quality of isolator；
2, the shell that isolator is processed in the way of injection molding, discard tradition mach production method, not only has
Helping, which reduces processing cost, can be improved yield suitable for the mass production of isolator, and the electrical property of isolator can be greatly improved
And security performance.
Detailed description of the invention
Fig. 1 is the integrally-built axonometric schematic diagram of embodiment one in the present invention；
Fig. 2 is that embodiment one is mainly used for embodying the axonometric schematic diagram of cavity in the present invention；
Fig. 3 is that embodiment two is mainly used for embodying the integrally-built axonometric schematic diagram of isolator in the present invention；
Fig. 4 is the flow diagram of isolator preparation method in the embodiment of the present invention three；
Fig. 5 is that embodiment three is mainly used for embodying the axonometric schematic diagram of bending tool in the present invention.
Appended drawing reference: 100, shell；110, cavity；111, bottom plate；112, mounting groove；113, mounting portion；114, it installs
Hole；115, arc panel；116, claw；117, bevelling；120, cover board；200, internal contents；300, bending tool；310,
Embedded groove.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is described in detail.
Embodiment one:
Referring to attached drawing 1, a kind of isolator shell, for carrying the materials such as ferrite in isolator, permanent magnet, conductor,
Including cavity 110 and the cover board 120 being covered on the inside of 110 top opening of cavity.
In conjunction with attached drawing 2, cavity 110 includes bottom plate 111, and bottom plate 111 forms installation close to 120 side concave surface of cover board
Slot 112, mounting groove 112 are located on 111 central location of bottom plate, can be used for installing isolator internal components.111 side of bottom plate is also convex
It rises and forms mounting portion 113, mounting portion 113 can be arranged at 3 in 111 side even circumferential of bottom plate, hang down on each mounting portion 113
Directly through mounting hole 114 is offered, installed and used for isolator.Also integrally formed with arc panel 115, arc panel on bottom plate 111
115 are perpendicularly fixed at 112 side surface of mounting groove on bottom plate 111；In the present embodiment, 115 settable 3 pieces of arc panel,
Each arc panel 115 is located at the gap location of above-mentioned each mounting portion 113, and the two sides of 115 length direction of arc panel extend respectively to
Adjacent two mounting portion 113；Each arc panel 115 is respectively positioned on 111 side edge of bottom plate and is circularly and evenly distributed.
Each side of the arc panel 115 far from bottom plate 111 is integrally formed with clamping locating part.In the present embodiment, the card
Holding locating part can be claw 116, and each claw 116 is vertically fixed on the upside of corresponding arc panel 115；The claw 116 is in office
On one arc panel 115 there are two equal circle spacing settings, and two claws 116 on same arc panel 115 are respectively close to correspondence
The two sides of 115 length direction of arc panel.
Specifically, the height of above-mentioned claw 116 is the 15%~25% of 110 internal diameter of cavity；For example, can be by claw 116
Height is set as the 20% of 110 internal diameter of cavity.The width of claw 116 is the 1/4~1/2 of the length of corresponding arc panel 115；Example
Such as, the width of claw 116 can be set to the 1/3 of corresponding arc panel 115.Claw 116 with a thickness of corresponding arc panel 115
1/3~2/3；For example, the thickness of claw 116 can be set to the 1/2 of corresponding arc panel 115.Meanwhile it can be in 116 width of claw
The two sides in direction process bevelling 117, and the size of the bevelling 117 is controllable to 0.2~0.5mm.
It should be noted that although the shell 100 is used in isolator in the present embodiment；But those skilled in the art
Member is easy to be used in circulator according to common knowledge, therefore " isolator " in subject matter title should not be taken as
The specific restriction of 100 suitable environment of shell.
The working principle of the present embodiment is: in actual installation, before cover board 120 is embedded in cavity 110, and above-mentioned each card
Pawl 116 is in upright state；Then, when isolator internal components are successively transferred to inside cavity 110 by staff, and by cover board
120 lids close behind the open-topped inside of cavity 110, and staff can bend inwards each claw 116, so that each claw 116
It is clamped and limits simultaneously the cover board 120.In this way, it on the basis of guarantee isolator assemblies fixed property, improves
The electrical property and security performance of isolator, to greatly improve the product quality of isolator.
Embodiment two:
Referring to attached drawing 3, a kind of isolator, including above-mentioned shell 100 is equipped with internal contents 200 in 100 body of shell.
In the present embodiment, which can be device common inside existing isolator, such as ferrite, permanent magnet, conductor
Deng.
Embodiment three:
Referring to attached drawing 4, a kind of preparation method of isolator, for the isolator mentioned in production example two, packet
Include following steps:
S1, powder mixing, uniform mixing of metal powder and binder.
In step sl, used metal powder and binder can carry out unrestricted choice as needed；In the present embodiment
In, which can be selected ferrous metals powder, and modeling based binder can be used in binder.Concrete operations are that staff can incite somebody to action
Ferrous metals powder is uniformly mixed with modeling based binder according to the mass ratio of 92:8, is used for subsequent processing.
S2, granulation are granulated the mixture of metal powder and binder, and uniform powder particle is made.
Specifically, staff's mixture is set after the mixture for obtaining above-mentioned ferrous metals powder and modeling based binder
Enter pelletizer and be granulated and squeezed out operation, obtains the equally distributed feeding of powder particle.
S3, injection moulding.In fact, go out the shell 100 of above-mentioned isolator for precise forming before being injection moulded,
Staff also needs first to design and manufacture mold used in injection moulding, the guarantor of shell 100 of the mold and above-mentioned isolator
It holds consistent.Then, entire process of injection molding can be automatically performed by injection (mo(u)lding) machine.
Meanwhile being to guarantee forming quality of products, in the present embodiment, preferably using bottom spot pouring mouth into pouring in step S3.
Also, before feeding is injected injection (mo(u)lding) machine, also feeding should be heated to molten condition；In the present embodiment, heating is fed
Temperature used in expecting can be 180~200 DEG C, and preferably 190 DEG C.After the completion of step S3 is completed and is opened, work people
100 green body of shell of the available semi-finished product of member.
S4, catalysis and sintering.After obtaining above-mentioned 100 green body of shell, which can be successively placed in debinding furnace
And sintering furnace；In debinding furnace, 100 green body of shell will complete catalysis degreasing, remove the binder in green body；In sintering furnace,
Sintering temperature can be controlled at 1250~1300 DEG C, so that 100 blank structure of shell gradually densifies.Specifically, above-mentioned catalysis
Defatting step can refer to the prior art and be operated, and design parameter staff can be adjusted as needed.By urging
After changing and being sintered, staff can get molding isolator shell 100, use for subsequent assembling.
S5, assembling.After obtaining molding isolator shell 100 by step S4, staff can start to be isolated
The assembling operation of device.Concrete operations are as follows: staff is first by device (such as ferrite, permanent magnet and conductor) each inside isolator
It is sequentially loaded into inside cavity 110, then by cover board 120, correctly lid is closed in the open-topped inside of cavity 110, finally by cavity
The 110 each claws 116 in top bend inwards, so that each claw 116 plays clamping and position-limiting action to cover board 120 simultaneously.
Also, to improve operating efficiency, the present embodiment additionally provides a kind of for bending the bending tool of each claw 116
300.As shown in figure 5, the side indent of the bending tool 300 forms embedded groove 310, which is in horn-like structure,
And the internal diameter of 310 opening inner wall of embedded groove is greater than the internal diameter of inner wall near its bottom.In practical operation, when cover board 120 is embedding
After entering 110 inside of cavity, which can be covered and be closed in the top of each claw 116 by staff, then make each claw
116 are embedded in embedded groove 310 simultaneously；As staff constantly covers the bending tool 300, which will be to
It is lower compress each claw 116 and each claw 116 synchronized bend inwards, until each claw 116 is bent to required amplitude.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of isolator shell, including cavity (110) and cover board (120), which is characterized in that
For being embedded the opening side of cover board (120) integrally formed with several clamping locating parts, respectively on the cavity (110)
The clamping locating part circumferentially interval setting on cavity (110)；
When the cover board (120) is not embedded into cavity (110), each clamping locating part is in upright state；
After in the cover board (120) insertion cavity (110), each clamping locating part fold inward simultaneously limits cover board (120)
It is detached from cavity (110) opening.
2. a kind of isolator shell according to claim 1, which is characterized in that the cavity (110) includes bottom plate
(111), bottom plate (111) side is at least vertically and fixedly provided with three arc panels being circularly and evenly distributed (115)；The clamping
Locating part is in the side of each arc panel (115) far from bottom plate (111) at least provided with one.
3. a kind of isolator shell according to claim 2, which is characterized in that the height of the clamping locating part is cavity
(110) the 15%~25% of internal diameter, the width of the clamping locating part are the 1/4~1/2 of arc panel (115) length, the card
Hold locating part with a thickness of the 1/3~2/3 of arc panel (115) thickness.
4. a kind of isolator shell according to claim 1, which is characterized in that the clamping locating part is claw (116),
The two sides of claw (116) width direction form bevelling (117), and the size of the bevelling (117) be 0.2~
0.5mm。
5. a kind of isolator of application shell as described in any one of claim 1-4.
6. a kind of preparation method of isolator, which is characterized in that the isolator includes as of any of claims 1-4
Shell (100), the preparation method include the following steps:
S1, powder mixing, uniform mixing of metal powder and binder；
S2, granulation are granulated the mixture of metal powder and binder, and uniform powder particle is made；
S3, injection moulding；
S4, catalysis and sintering；
S5, assembling.
7. a kind of preparation method of isolator according to claim 6, which is characterized in that metal used in step S1
Powder and binder are respectively ferrous metals powder and modeling based binder, and the ferrous metals powder and modeling based binder are according to 92:8's
Mass ratio is uniformly mixed.
8. a kind of preparation method of isolator according to claim 6, which is characterized in that step S3 uses injection (mo(u)lding) machine
It completes, and using bottom spot pouring mouth into pouring；Before injection, also feeding should be heated to molten condition at 180~200 DEG C.
9. a kind of preparation method of isolator according to claim 6, which is characterized in that the temperature being sintered in step S4 is
1250~1300 DEG C.
10. a kind of preparation method of isolator according to claim 6, which is characterized in that in step s 5, should carry out such as
Lower operation: after cover board (120) are embedded in cavity (110), each clamping on cavity (110) is compressed with bending tool (300) and is limited
Position part, so that each clamping locating part is synchronized and bent inwards；
The side indent of the bending tool (300) forms the embedded groove (310) for being embedded each clamping locating part, described embedding
Enter slot (310) in horn-like structure, the internal diameter of embedded groove (310) the opening inner wall is greater than the interior of the neighbouring inner wall in its bottom
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910085414.1A CN109687075A (en) | 2019-01-29 | 2019-01-29 | A kind of isolator shell, using isolator of the shell and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910085414.1A CN109687075A (en) | 2019-01-29 | 2019-01-29 | A kind of isolator shell, using isolator of the shell and preparation method thereof |
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| CN109687075A true CN109687075A (en) | 2019-04-26 |
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| CN201910085414.1A Pending CN109687075A (en) | 2019-01-29 | 2019-01-29 | A kind of isolator shell, using isolator of the shell and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797609A (en) * | 2019-11-06 | 2020-02-14 | 苏州市浩海精密机械有限公司 | Shear type circulator shell assembly and packaging method thereof |
| CN112045046A (en) * | 2020-08-05 | 2020-12-08 | 武汉凡谷电子技术股份有限公司 | Circulator cavity stamping process |
| CN112216940A (en) * | 2019-07-10 | 2021-01-12 | 株式会社3R电波 | Small-sized non-reciprocal circuit device |
| CN113649577A (en) * | 2021-07-24 | 2021-11-16 | 上海富驰高科技股份有限公司 | Machining process of circulator shell |
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| JP2002158506A (en) * | 2000-11-16 | 2002-05-31 | Nippon Tanshi Kk | Cover for attaching permanent magnet for irreversible circuit element |
| JP2006129316A (en) * | 2004-10-29 | 2006-05-18 | Alps Electric Co Ltd | Non-reciprocal circuit element |
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| CN113649577A (en) * | 2021-07-24 | 2021-11-16 | 上海富驰高科技股份有限公司 | Machining process of circulator shell |
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