CN104581583B - A kind of preparation method of novel moving iron unit and iron core - Google Patents
A kind of preparation method of novel moving iron unit and iron core Download PDFInfo
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- CN104581583B CN104581583B CN201410851205.0A CN201410851205A CN104581583B CN 104581583 B CN104581583 B CN 104581583B CN 201410851205 A CN201410851205 A CN 201410851205A CN 104581583 B CN104581583 B CN 104581583B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 28
- 230000002463 transducing effect Effects 0.000 claims abstract description 17
- 238000005452 bending Methods 0.000 claims description 91
- 238000004080 punching Methods 0.000 claims description 26
- 230000004323 axial length Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 claims 2
- 239000013013 elastic material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000003754 machining Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention discloses a kind of novel moving iron unit and the preparation methods of iron core, moving iron unit includes: armature, coil, iron core, permanent magnet, conductive bar and vibrating diaphragm, armature includes fixed part and vibration transducing portion, coil and iron core are successively sheathed on vibration transducing portion, the two sides up and down in vibration transducing portion are respectively equipped with the permanent magnet being fixedly connected with the inner surface of iron core, iron core is an integral structure, and the cross section of iron core is in " returning " font.The core structure is simple, is connected firmly, the production of easy to process and production line, production cost is effectively reduced, guarantees that moving iron unit works normally, and the preparation method of the iron core can reduce processing cost and difficulty of processing, guarantee machining accuracy, reduces cost, preparation flow is simple.
Description
Technical field
The present invention relates to a kind of moving iron units of receiver, more particularly to the preparation of a kind of novel moving iron unit and iron core
Method.
Background technique
In the structure of moving iron unit, especially in receiver, iron core is a critically important component, and main function is
Magnet is installed to form magnetic circuit.Traditional core structure is complicated, and the processing molding method of iron core generally use die casting, punching press or
The methods of person's drawing, its difficulty of processing of above method is all very big, and cost is also higher, is not suitable for production line processing.
Therefore, a kind of structure is simple, easy to make, reduces the novel moving iron unit and iron core of processing cost and difficulty of processing
Preparation method urgently propose.
Summary of the invention
To solve the above problems, the present invention provides the preparation method of novel moving iron unit and iron core, the core structure is simple,
It is connected firmly, guarantees that moving iron unit works normally, and the preparation method of the iron core can reduce processing cost and difficulty of processing, protect
Demonstrate,prove machining accuracy.
Technical scheme is as follows:
A kind of novel moving iron unit, moving iron unit include: armature, coil, iron core, permanent magnet, conductive bar and vibrating diaphragm, armature
Including fixed part and vibration transducing portion, coil and iron core are successively sheathed on vibration transducing portion, the two sides up and down point in vibration transducing portion
The permanent magnet that She You not be fixedly connected with the inner surface of iron core, iron core are an integral structure, and the cross section of iron core is in " returning "
Font.
The core structure of " returning " font is simple, and production cost is effectively reduced in the production of easy to process and production line.
As a preferred option, be equipped with through-hole at the top of the end of the iron core, the conductive bar by described through-hole one end with
Armature connection, the other end are connect with the conductive bar, and the through-hole is set to the center of the length direction of the iron core cross section.
Using the above preferred scheme, conductive bar is connect by through-hole one end with armature, and the other end is connect with conductive bar, can
Preferably to utilize space, keeps moving iron unit more compact, reduce the volume of moving iron unit, to reduce the volume of receiver.It is logical
The center of hole setting and the length direction of iron core cross section guarantees that conductive bar drives diaphragm oscillations steady.
As a preferred option, has elastomeric layer on permanent magnet.
Using the above preferred scheme, elastomeric layer can be made of TPU, PE or PVC material.Guarantee receiver by
When external force, when the vibration transducing portion of armature and permanent magnet contact, elastomeric layer on permanent magnet is by the vibration transducing portion of armature
It rebounds.
As a preferred option, one or more metering orifices are equipped on vibrating diaphragm, metering orifice includes multiple apertures.
Using the above preferred scheme, the metering orifice for having multiple apertures to constitute can more effectively guarantee that vibrating diaphragm shakes up and down
It is dynamic, the distortion factor of sound is reduced, the diameter of aperture is usually 0.01~0.02mm.
As a preferred option, be equipped with one or more reinforcing ribs on vibrating diaphragm, reinforcing rib be the convex closure to raise upward and/
Or downwardly convex concave point.
Using the above preferred scheme, it is ensured that diaphragm oscillations are more stable, in the identical situation of the thickness of vibrating diaphragm, have
The diaphragm oscillations amplitude of reinforcing rib is bigger, and vibration is more stable, and the sound wave of generation is more preferable.
A kind of preparation method of iron core the following steps are included:
Step 1: prepare billot, the length of billot is equal to the outer circumference for the iron core that one needs to process, width is equal to extremely
The axial length of a few iron core for needing to process；
Step 2: bending is carried out to billot simultaneously from the both ends of billot, billot is bent into " returning " font；
Step 3: the head end of billot and tail end are fixedly connected.
The preparation method of the iron core more saves the production time, and efficiency faster, process by production line of being more convenient for, and is guaranteeing to process
Under the premise of precision, difficulty of processing is low.Billot can be produced and processed uniformly, and after utilizing the billot bending, directly formed
Iron core no longer needs to shear billot, reduces process complexity.
The specific steps of bending are as follows:
Step 1: using bending equipment or manipulator by billot bending from the bottom up, the first bending part, the first bending are formed
Portion and billot end form the first bending angle, and the first bending angle is greater than 90 degree；
Step 2: bending is carried out to the first bending part along bending inclination angle using bending equipment or manipulator, forms the second folding
Turn of bilge, the first bending part are vertical with the second bending part；
Step 3: bending is carried out to the first bending part using bending equipment or manipulator, makes the first bending part and billot end
Portion is vertical.
Using the above preferred scheme, bending is simple, more the saving production time, and efficiency faster, process by production line of being more convenient for,
And under the premise of guaranteeing machining accuracy, difficulty of processing is low.
As a preferred option, in one the preparation method of iron core the step of, it is also necessary to prepare film benevolence, the outer ring week of mode
The long interior circumference for being equal to the iron core that needs are processed highly is equal to the height for needing the inner ring for the iron core processed, axial length extremely
It is few to be equal to the axial length for needing the iron core processed；In two the preparation method of iron core the step of, film benevolence is placed in the length of billot
The step of middle for spending direction carries out bending to the both ends of billot simultaneously using punching device or manipulator, bending are as follows:
Step 1: vertical punching is carried out from the bottom up to billot along film benevolence using punching device or manipulator；
Step 2: vertical punching is inwardly carried out from two sides to billot along film benevolence using punching device or manipulator；
Step 3: vertical punching is carried out from top to bottom to billot using punching device or manipulator.
Using the above preferred scheme, punching is carried out to billot using film benevolence and operates simpler, more saving production time, effect
Rate faster, process, and under the premise of guaranteeing machining accuracy, difficulty of processing is low by production line of being more convenient for.It the step of bending three, can be with
The upper end that iron core is effectively ensured is smooth.
As a preferred option, one or more connection bumps and/or connecting groove are equipped in the head end of billot, in billot
Tail end be equipped with the connection card slot to match with connection bump and/or connecting groove and/or connect fixture block.
Using the above preferred scheme, the connection length that can effectively increase billot head end and tail end, guarantees the company of iron core
It is stronger to connect place's connection.
As a preferred option, the tail end of the head end of billot and billot is equipped with notch, notch and the billot end of billot head end
The notch at end connects, and forms through-hole.
Using the above preferred scheme, the step of punching to iron core is eliminated, process complexity is reduced.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the cross-sectional view of moving iron unit provided in an embodiment of the present invention.
Fig. 2 is the cross-sectional view of iron core provided in an embodiment of the present invention.
Fig. 3 is one of the structural schematic diagram of vibrating diaphragm provided in an embodiment of the present invention.
Fig. 4 is the second structural representation of vibrating diaphragm provided in an embodiment of the present invention.
Fig. 5 is one of bending flow diagram of iron core provided in an embodiment of the present invention.
Fig. 6 is the two of the bending flow diagram of iron core provided in an embodiment of the present invention.
Fig. 7 is core structure schematic diagram provided in an embodiment of the present invention.
The title of corresponding component representated by number or letter in figure:
Wherein, 1. armature, 11. fixed part 12. vibrates 2. coil of transducing portion, 3. iron core, 4. permanent magnet, 5. conductive bar, 6. vibrating diaphragm
61. 62. reinforcing rib of metering orifice, 7. through-hole, 8. billot, 81. first 82. second bending part of bending part, 83. billot end, 9. film benevolence
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of novel moving iron unit, moving iron unit includes: armature 1, coil 2, iron core 3, permanent magnet 4, passes
Guide rod 5 and vibrating diaphragm 6, armature 1 include fixed part 11 and vibration transducing portion 12, and coil 2 and iron core 3 are successively sheathed on vibration transducing portion
12, the two sides up and down in vibration transducing portion 12 are respectively equipped with the permanent magnet 4 being fixedly connected with the inner surface of iron core 3, and iron core 3 is one
Body formula structure, and the cross section of iron core 3 is in " returning " font.
3 structure of iron core of " returning " font is simple, and production cost is effectively reduced in the production of easy to process and production line.
As shown in Fig. 2, in other embodiments, remaining technical characteristic is identical for better implementation effect, it is different
Place is, through-hole 7 is equipped at the top of the end of iron core 3, and conductive bar 5 is connect by 7 one end of through-hole with armature 1, the other end and biography
Guide rod 5 connects, and through-hole 7 is set to the center of the length direction of 3 cross section of iron core.Conductive bar 5 passes through 7 one end of through-hole and electricity
Pivot 1 connects, and the other end connect with conductive bar 5, can preferably utilize space, keep moving iron unit more compact, reduces moving iron unit
Volume, to reduce the volume of receiver.The center of through-hole 7 setting and the length direction of 3 cross section of iron core, guarantees conductive bar
5 drive vibrating diaphragms 6 vibrate steadily.
For better implementation effect, in other embodiments, remaining technical characteristic is identical, the difference is that,
Has elastomeric layer on permanent magnet 4.Elastomeric layer can be made of TPU, PE or PVC material.Guarantee receiver by outer
When power, when the vibration transducing portion of armature and permanent magnet contact, elastomeric layer on permanent magnet is by the vibration transducing portion bullet of armature
It goes back.
As shown in figure 3, in other embodiments, remaining technical characteristic is identical for better implementation effect, it is different
Place is, one or more metering orifices 61 are equipped on vibrating diaphragm 6, and metering orifice 61 includes multiple apertures.There are multiple apertures to constitute
Metering orifice can more effectively guarantee that vibrating diaphragm vibrates up and down, reduce the distortion factor of sound, the diameter of aperture is usually 0.01~
0.02mm。
As shown in figure 4, in other embodiments, remaining technical characteristic is identical for better implementation effect, it is different
Place is, is equipped with one or more reinforcing ribs 62 on vibrating diaphragm 6, and reinforcing rib 62 is the convex closure to raise upward and/or downwardly convex
The concave point risen.It is more stable can to guarantee that vibrating diaphragm 6 vibrates, in the identical situation of the thickness of vibrating diaphragm 6, the vibrating diaphragm 6 with reinforcing rib shakes
Dynamic amplitude is bigger, and vibration is more stable, and the sound wave of generation is more preferable.
A kind of preparation method of iron core the following steps are included:
Step 1: preparing billot, and the length of billot 8 is equal to one and outer circumference, the width of the iron core processed is needed to be equal to
The axial length for the iron core that at least one needs is processed；
Step 2: bending is carried out to billot 8 simultaneously from the both ends of billot 8, billot 8 is bent into " returning " font；
Step 3: the head end of billot 8 and tail end are fixedly connected.
The preparation method of the iron core more saves the production time, and efficiency faster, process by production line of being more convenient for, and is guaranteeing to process
Under the premise of precision, difficulty of processing is low.Billot 8 can be produced and processed uniformly, and after utilizing the billot bending, directly formed
Iron core no longer needs to shear billot, reduces process complexity, reduces cost.In the step of preparation method of iron core three, Gu
Surely the mode connected can be welding or stickup or riveting.
As shown in figure 5, the specific steps of bending are as follows:
Step 1: using bending equipment or manipulator by the bending from the bottom up of billot 8, forming the first bending part 81, and first
Bending part 81 and billot end 83 form the first bending angle, and the first bending angle is greater than 90 degree；
Step 2: bending is carried out to the first bending part 81 along bending inclination angle using bending equipment or manipulator, forms second
Bending part 82, the first bending part 81 are vertical with the second bending part 82；
Step 3: bending is carried out to the first bending part 81 using bending equipment or manipulator, makes the first bending part 81 and item
Expect that end 83 is vertical.
Using the above preferred scheme, bending is simple, more the saving production time, and efficiency faster, process by production line of being more convenient for,
And under the premise of guaranteeing machining accuracy, difficulty of processing is low.Since core volume is small, the first bending angle is greater than 90 degree, to bending
It is buffered, reduces the crackle of bent face.
As shown in fig. 6, in other embodiments, remaining technical characteristic is identical for better implementation effect, it is different
Place is, one the preparation method of iron core the step of in, it is also necessary to prepare film benevolence 9, the outer circumference of mode 9 be equal to need plus
The interior circumference of the iron core of work, the height of the inner ring for the iron core highly processed equal to needs, axial length add at least equal to needs
The axial length of the iron core of work；In two the preparation method of iron core the step of, film benevolence 9 is placed in the length direction of billot 8
Between, bending carried out to the both ends of billot 8 simultaneously using punching device or manipulator, the step of bending are as follows:
Step 1: vertical punching is carried out from the bottom up to billot 8 along film benevolence using punching device or manipulator；
Step 2: vertical punching is inwardly carried out from two sides to billot 8 along film benevolence using punching device or manipulator；
Step 3: vertical punching is carried out from top to bottom to billot 8 using punching device or manipulator.
Simpler to the progress punching operation of billot 8 using film benevolence 9, more saving production time, efficiency faster, are more convenient for producing
Line processing, and under the premise of guaranteeing machining accuracy, difficulty of processing is low.The upper of iron core can be effectively ensured in the step of bending three
End is smooth.
As shown in fig. 7, in other embodiments, remaining technical characteristic is identical for better implementation effect, it is different
Place is, is equipped with one or more connection bumps and/or connecting groove in the head end of billot 8, the end of billot be equipped with
The connection card slot and/or connection fixture block that connection bump and/or connecting groove match.Billot head end and tail end can effectively be increased
Connection length, guarantee iron core junction connection it is stronger.
For better implementation effect, in other embodiments, remaining technical characteristic is identical, the difference is that,
The head end of billot 8 and the tail end of billot are equipped with notch, and the notch of billot head end is connect with the notch of billot end, forms through-hole.
The step of punching to iron core is eliminated, process complexity is reduced.
The above are the descriptions to the embodiment of the present invention to keep this field special by the foregoing description of the disclosed embodiments
Industry technical staff can be realized or using the present invention.Various modifications to these embodiments carry out those skilled in the art
Saying will be apparent, and the general principles defined herein can be the case where not departing from the spirit or scope of the present invention
Under, it realizes in other embodiments.Therefore, the present invention will not be limited to the embodiments shown herein, but to accord with
Close the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. a kind of novel moving iron unit characterized by comprising armature, coil, iron core, permanent magnet, conductive bar and vibrating diaphragm, institute
Stating armature includes fixed part and vibration transducing portion, and the coil and the iron core are successively sheathed on the vibration transducing portion, described
The two sides up and down in vibration transducing portion are respectively equipped with the permanent magnet being fixedly connected with the inner surface of the iron core, and the iron core is one
Body formula structure, and the cross section of the iron core is in " returning " font, and one or more metering orifices, the stream are equipped on the vibrating diaphragm
Metering-orifice includes multiple apertures, one or more reinforcing ribs is equipped on the vibrating diaphragm, the reinforcing rib is the convex closure to raise upward
And/or downwardly convex concave point；The iron core is prepared by following methods, specifically includes the following steps:
Step 1: preparing billot, and the length of the billot is equal to the outer circumference for the iron core that one needs to process, width etc.
In the axial length of at least one iron core for needing to process；
Step 2: bending is carried out to the billot simultaneously from the both ends of the billot, the billot is bent into " returning " font, is rolled over
Curved specific steps are as follows:
1): using bending equipment or manipulator by billot bending from the bottom up, forming the first bending part, first bending
Portion and billot end form the first bending angle, and first bending angle is greater than 90 degree；
2): bending is carried out to first bending part along bending inclination angle using bending equipment or manipulator, forms the second bending part,
First bending part is vertical with second bending part；
3): bending being carried out to first bending part using bending equipment or manipulator, makes first bending part and the item
Expect end vertical；
Step 3: the head end of the billot and tail end are fixedly connected.
2. novel moving iron unit according to claim 1, which is characterized in that through-hole is equipped at the top of the end of the iron core,
The conductive bar is connect by described through-hole one end with armature, and the other end is connect with the vibrating diaphragm, and the through-hole is set to described
The center of the length direction of iron core cross section.
3. novel moving iron unit according to claim 1 or 2, which is characterized in that have elastic material on the permanent magnet
Layer.
4. a kind of preparation method of iron core, which comprises the following steps:
Step 1: preparing billot, and the length of the billot is equal to the outer circumference for the iron core that one needs to process, width etc.
In the axial length of at least one iron core for needing to process；
Step 2: bending is carried out to the billot simultaneously from the both ends of the billot, the billot is bent into " returning " font, is rolled over
Curved specific steps are as follows:
1): using bending equipment or manipulator by billot bending from the bottom up, forming the first bending part, first bending
Portion and billot end form the first bending angle, and first bending angle is greater than 90 degree；
2): bending is carried out to first bending part along bending inclination angle using bending equipment or manipulator, forms the second bending part,
First bending part is vertical with second bending part；
3): bending being carried out to first bending part using bending equipment or manipulator, makes first bending part and the item
Expect end vertical；
Step 3: the head end of the billot and tail end are fixedly connected.
5. the preparation method of iron core according to claim 4, which is characterized in that
In one the preparation method of the iron core the step of, it is also necessary to prepare mode, the outer circumference of the mode is equal to described
The interior circumference for the iron core for needing to process, the height of the inner ring for the iron core highly processed equal to the needs, axial length are at least
Equal to the axial length of the iron core for needing to process；
In two the preparation method of the iron core the step of, the mode is placed in the middle of the length direction of the billot,
Bending carried out to the both ends of the billot simultaneously using punching device or manipulator, the step of bending are as follows:
Step 1: vertical punching is carried out from the bottom up to the billot along the mode using punching device or manipulator；
Step 2: vertical punching is inwardly carried out from two sides to the billot along the mode using punching device or manipulator；
Step 3: vertical punching is carried out from top to bottom to the billot using punching device or manipulator.
6. the preparation method of iron core according to claim 4 or 5, which is characterized in that be equipped with one in the head end of the billot
A or multiple connection bumps and/or connecting groove are equipped with and the connection bump and/or the connection in the tail end of the billot
The connection card slot and/or connection fixture block that groove matches.
7. the preparation method of iron core according to claim 4 or 5, which is characterized in that the head end of the billot and the item
The tail end of material is equipped with notch, and the notch of the billot head end is connect with the notch of the billot end, forms through-hole.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107484090B (en) * | 2017-07-26 | 2024-10-01 | 苏州逸巛科技有限公司 | Telephone receiver and assembly process thereof |
| CN107360519B (en) * | 2017-07-26 | 2024-09-27 | 苏州逸巛科技有限公司 | Telephone receiver and assembly process thereof |
| CN107820194B (en) * | 2017-09-28 | 2023-06-16 | 深圳市长盈精密技术股份有限公司 | Preparation method of moving iron unit and moving iron with material |
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| Publication number | Publication date |
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| CN104581583A (en) | 2015-04-29 |
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