CN107027088B - Radial magnetic circuit assembling device and assembling method - Google Patents
Radial magnetic circuit assembling device and assembling method Download PDFInfo
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- CN107027088B CN107027088B CN201710127837.6A CN201710127837A CN107027088B CN 107027088 B CN107027088 B CN 107027088B CN 201710127837 A CN201710127837 A CN 201710127837A CN 107027088 B CN107027088 B CN 107027088B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
Abstract
The invention relates to the technical field of loudspeaker production devices, in particular to a radial magnetic circuit assembling device and an assembling method, wherein the radial magnetic circuit assembling device is used for assembling an upper axial magnetic sheet and a lower axial magnetic sheet on the upper axial side surface and the lower axial side surface of a plurality of tile-shaped magnets respectively, the radial magnetic circuit assembling device comprises a magnetic central column, a lower lantern ring and an upper lantern ring, the magnetic central column comprises a large-diameter section and a small-diameter section which are sequentially connected and are provided with limiting steps for annularly and uniformly assembling the tile-shaped magnets, the lower lantern ring is sleeved outside the tile-shaped magnets from the large-diameter section towards the small-diameter section and is used for limiting the radial displacement of the tile-shaped magnets, and the upper axial magnetic sheet and the lower axial magnetic sheet are respectively pressed and connected on the upper axial side surface and the lower axial side surface of the tile-shaped magnets from the small-diameter section towards the large-diameter section. In the assembling process, each tile-shaped magnet is limited by the lower lantern ring and the upper lantern ring in the radial direction and the axial direction respectively, so that the processing difficulty can be effectively reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of loudspeaker production devices, in particular to a radial magnetic circuit assembling device and a radial magnetic circuit assembling method.
Background
With the continuous improvement of living standard, listening to music becomes a way for relieving the mood of people in leisure work and reducing the pressure. Meanwhile, with the continuous pursuit of people for high-quality life, the quality requirements of people for sound production elements such as earphones, loudspeakers and the like are higher and higher. The manufacturing factory starts from the starting point of combining humanistic care and health concepts, in order to enable each user to listen to life pure sound in a noisy environment, the requirement on low distortion of the loudspeaker is higher and higher, the micro loudspeaker of the magnetic circuit structure which adopts the magnet as the upper and lower magnetic conductive sheets has better magnetic field uniformity characteristic than the traditional micro loudspeaker magnetic circuit structure, the magnetic lines of force are distributed uniformly and symmetrically, the magnetic leakage is small, and the distortion of the loudspeaker can be greatly reduced. However, the radial magnets are difficult to process due to the repulsive force of the upper and lower magnets when being assembled after being magnetized, so that the radial magnets cannot be produced in large batch, and a large amount of labor and assembly cost are consumed.
Disclosure of Invention
The invention aims to provide a radial magnetic circuit assembling device and an assembling method, and aims to solve the technical problems of difficulty in assembling and processing and high cost of a radial magnetic circuit in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows: a radial magnetic circuit assembling device is used for assembling an upper axial magnetic sheet and a lower axial magnetic sheet on the upper axial side face and the lower axial side face of a plurality of tile-shaped magnets respectively, the radial magnetic circuit assembling device comprises a magnetic central column, a lower lantern ring and an upper lantern ring, the magnetic central column comprises a large-diameter section and a small-diameter section which are connected in sequence, a limiting step for annular uniform assembly of each tile-shaped magnet is formed at the joint of the large-diameter section and the small-diameter section, the lower lantern ring is sleeved outside the tile-shaped magnet in the direction of the large-diameter section towards the small-diameter section and used for limiting radial displacement of each tile-shaped magnet, and the upper lantern ring is sleeved in the direction of the small-diameter section towards the large-diameter section and tightly presses and connects the upper axial magnetic sheet and the lower axial magnetic sheet to the upper axial side face and the lower axial side face of each tile-shaped magnet respectively.
Preferably, one end of the lower lantern ring is provided with a sealing plate, and the end of the large-diameter section abuts against the inner side of the sealing plate.
Preferably, the radial magnetic circuit assembling apparatus further includes a sleeve for pushing out the assembled upper axial magnetic piece and the tile-shaped magnet and the assembled upper axial magnetic piece and the assembled lower axial magnetic piece and the tile-shaped magnet on the small-diameter section.
Preferably, the lower lantern ring is a non-metal lower lantern ring, and the upper lantern ring is a non-metal upper lantern ring.
Preferably, the non-metal lower collar is a plastic lower collar, and the non-metal upper collar is a plastic upper collar.
The invention has the beneficial effects that: during assembly, the tile-shaped magnets are annularly and uniformly distributed on the limiting step formed at the connecting part of the large-diameter section and the small-diameter section, the lower sleeve ring is sleeved to limit the radial displacement of each tile-shaped magnet, the upper axial magnetic sheet is tightly pressed on the upper axial side surface of each tile-shaped magnet through the upper sleeve ring, each tile-shaped magnet is fixedly connected with the upper axial magnetic sheet, finally the upper axial magnetic sheet is turned over, and the lower axial magnetic sheet is tightly pressed on the lower axial side surface of each tile-shaped magnet through the upper sleeve ring, so that each tile-shaped magnet is fixedly connected with the lower axial magnetic sheet.
The other technical scheme of the invention is as follows: a radial magnetic circuit assembly method, comprising the steps of:
s1: providing a magnetic central column, wherein the magnetic central column comprises a large-diameter section and a small-diameter section which are sequentially connected, and a limiting step is formed at the connecting part of the large-diameter section and the small-diameter section;
s2: providing a lower lantern ring, uniformly and annularly assembling a plurality of tile-shaped magnets on the limiting step, and then sleeving the lower lantern ring outside the tile-shaped magnets from the large-diameter section to the small-diameter section to limit the radial displacement of each tile-shaped magnet;
s3: providing an upper lantern ring, firstly sleeving an upper axial magnetic sheet outside the small-diameter section, then sleeving the upper lantern ring in the small-diameter section towards the direction of the large-diameter section, and tightly pressing the upper axial magnetic sheet on the upper axial side surface of each tile-shaped magnet so as to fixedly connect the upper axial magnetic sheet with each tile-shaped magnet;
s4: pushing the assembled upper axial magnetic sheet and each tile-shaped magnet out of the small-diameter section;
s5: sleeving the lower axial magnetic sheet outside the small-diameter section, sleeving the upper sleeve ring in the direction from the small-diameter section to the large-diameter section, and pressing the lower axial magnetic sheet on the lower axial side surface of each tile-shaped magnet so as to fixedly connect the lower axial magnetic sheet with each tile-shaped magnet;
s6: and pushing the upper axial magnetic sheet and the upper axial magnetic sheet which are assembled and the tile-shaped magnets out of the small-diameter section.
Preferably, in the step S3, a quick-drying glue is applied to an upper axial side surface of each tile-shaped magnet so as to fixedly connect the upper axial magnetic sheet with each tile-shaped magnet; in the step S5, a quick-drying glue is applied to a lower axial side surface of each tile-shaped magnet to fixedly connect the lower axial magnetic sheet and each tile-shaped magnet.
Preferably, the quick-drying glue is A/B glue or anaerobic glue.
Preferably, in the step S4, a sleeve is provided, and the assembled upper axial magnetic sheet and each tile-shaped magnet are pushed out of the small-diameter section through the sleeve; in the step S6, the assembled upper axial magnetic pieces and the tile-shaped magnets are pushed out of the small-diameter section through the sleeve.
Preferably, one end of the lower lantern ring is provided with a sealing plate, and the end of the large-diameter section abuts against the inner side of the sealing plate.
The invention has the beneficial effects that: the invention relates to a radial magnetic circuit assembling method, which comprises the steps of annularly and uniformly distributing tile-shaped magnets on a limiting step formed at the joint of a large-diameter section and a small-diameter section during assembling, then sleeving a lower sleeve ring to limit the radial displacement of each tile-shaped magnet, then pressing an upper axial magnetic sheet on the upper axial side surface of each tile-shaped magnet through an upper sleeve ring to fixedly connect each tile-shaped magnet with an upper axial magnetic sheet, finally turning the upper axial magnetic sheet, and continuously pressing a lower axial magnetic sheet on the lower axial side surface of each tile-shaped magnet through the upper sleeve ring to fixedly connect each tile-shaped magnet with the lower axial magnetic sheet.
Drawings
Fig. 1 is a schematic structural diagram of a radial magnetic circuit assembling device according to an embodiment of the present invention.
Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 is an exploded view of a radial magnetic circuit assembly device according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram illustrating the tile-shaped magnets assembled on the magnetic center post in the radial magnetic circuit assembling method according to the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of the upper axial magnetic sheet and the lower axial magnetic sheet and each tile-shaped magnet after being assembled by the radial magnetic circuit assembling method according to the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of the axial magnetic sheet and each tile-shaped magnet pushed out of the magnetic center post through the sleeve after the assembly in the radial magnetic circuit assembly method according to the embodiment of the present invention.
The reference numerals include:
10-upper axial magnet piece 20-lower axial magnet piece 30-tile-shaped magnet
40-magnetic center column 41-large diameter section 42-small diameter section
43-limiting step 50-lower collar 51-sealing plate
60-upper collar 70-sleeve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1 to 6 are exemplary and intended to be illustrative of the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1 to 6, an embodiment of the present invention provides a radial magnetic circuit assembling apparatus for assembling an upper axial magnetic sheet 10 and a lower axial magnetic sheet 20 on an upper axial side (not shown) and a lower axial side (not shown) of a plurality of tile magnets 30, respectively, the radial magnetic circuit assembling apparatus including a magnetic center post 40, a lower collar 50, and an upper collar 60, the magnetic center post 40 including a large diameter section 41 and a small diameter section 42 connected in sequence, a connection portion between the large diameter section 41 and the small diameter section 42 forming a limiting step 43 for annularly and uniformly assembling each tile magnet 30, the lower collar 50 being sleeved on the outside of the tile magnet 30 in a direction from the large diameter section 41 to the small diameter section 42 and limiting radial displacement of each tile magnet 30, the upper collar 60 being sleeved on the outside of the tile magnet 30 in a direction from the small diameter section 42 and tightly pressing and connecting the upper axial magnetic sheet 10 and the lower axial magnetic sheet 20 on the upper axial side and the lower axial side of each tile magnet 30, respectively.
Specifically, in the radial magnetic circuit assembling device according to the embodiment of the present invention, during assembly, the tile-shaped magnets 30 are annularly and uniformly distributed on the limiting step 43 formed at the connection position of the large-diameter section 41 and the small-diameter section 42, then the lower collar 50 is sleeved to limit the radial displacement of each tile-shaped magnet 30, then the upper axial magnetic sheet 10 is pressed against the upper axial side surface of each tile-shaped magnet 30 through the upper collar 60, so that each tile-shaped magnet 30 is fixedly connected with the upper axial magnetic sheet 10, finally the upper axial magnetic sheet 10 is turned over, the lower axial magnetic sheet 20 is pressed against the lower axial side surface of each tile-shaped magnet 30 through the upper collar 60, and each tile-shaped magnet 30 is fixedly connected with the lower axial magnetic sheet 20, so that, in the assembling process, even if a repulsive magnetic force is generated between each tile-shaped magnet 30 and the upper axial magnetic sheet 10 and the lower axial magnetic sheet 20, each tile-shaped magnet 30 is limited by the lower collar 50 and the upper collar 60 in the radial direction and the axial direction, so that the processing difficulty of the magnetic sheets can be effectively reduced, and the production efficiency can be effectively increased, and further, and the labor cost can be reduced.
Referring to fig. 4, it should be further noted that each tile-shaped magnet 30 needs to be magnetized in a radial direction before being assembled, an arrow indicates a magnetic field direction of each tile-shaped magnet 30, and when each tile-shaped magnet 30 is assembled on the limiting step 43, each tile-shaped magnet 30 is also connected to the small-diameter section 42 in a magnetic adsorption manner.
The magnetic central column 40 is preferably made of soft magnetic material, such as mild steel.
In this embodiment, a sealing plate 51 is disposed at one end of the lower collar 50, and an end of the large-diameter portion 41 abuts against an inner side of the sealing plate 51. Specifically, when the lower sleeve ring 50 is sleeved outside the tile-shaped magnet 30 in the direction from the large-diameter section 41 to the small-diameter section 42, the sleeved depth of the lower sleeve ring 50 does not need to be controlled, the lower sleeve ring 50 is directly pushed until the inner side of the sealing plate 51 of the lower sleeve ring 50 abuts against the end of the large-diameter section 41, the assembly efficiency is higher, and a proper amount of assembly can be ensured. Preferably, the closing plate 51 is integrally formed with the lower collar 50.
In this embodiment, as shown in fig. 6, the radial magnetic circuit assembly device further includes a sleeve 70 for pushing out the assembled upper axial magnetic piece 10 and the assembled tile-shaped magnet 30, and the assembled upper axial magnetic piece 10 and the assembled lower axial magnetic piece 20 and the assembled tile-shaped magnet 30 from the small-diameter portion 42. Specifically, since the upper axial magnetic sheet 10 and the lower axial magnetic sheet 20 need to be assembled and connected with the upper axial side surface and the lower axial side surface of the tile-shaped magnet 30 which are uniformly distributed in an annular shape, after the assembly and connection of the upper axial magnetic sheet 10 and the upper axial side surface of each tile-shaped magnet 30 is completed, the upper axial magnetic sheet 10 and each tile-shaped magnet 30 need to be taken out, at this time, the sleeve 70 is adopted to push the upper axial magnetic sheet 10 and each tile-shaped magnet 30 until the upper axial magnetic sheet 10 and each tile-shaped magnet 30 are separated from the lower diameter section, the upper axial magnetic sheet 10 is turned over, each tile-shaped magnet 30 connected with the upper axial magnetic sheet 10 is also turned over, then the upper axial magnetic sheet 10 is sleeved outside the small diameter section 42 until the upper axial magnetic sheet 10 abuts against the limiting step 43, at this time, the assembly of the lower axial magnetic sheet 20 is performed, and the assembly of the lower axial magnetic sheet 20 is the same as the assembly method of the upper axial magnetic sheet 10, which is not described in detail.
Preferably, the assembly connection of the upper axial magnetic piece 10 and the lower axial magnetic piece 20 with the respective tile type magnet 30 may be adopted for a quick-drying type glue, such as an a/B glue or an anaerobic glue.
In this embodiment, the lower collar 50 is a non-metal lower collar, and the upper collar 60 is a non-metal upper collar. Specifically, the lower collar 50 and the upper collar 60 are made of a non-metallic material so as to prevent mutual adsorption with the tile-shaped magnet 30, the upper axial magnet piece 10, and the lower axial magnet piece 20, thereby ensuring the freedom of assembly and disassembly of the lower collar 50 and the upper collar 60 and the smooth assembly.
In this embodiment, specifically, the non-metal lower collar is a plastic lower collar, and the non-metal upper collar is a plastic upper collar. The lower collar 50 and the upper collar 60, which are made of plastic material, are lighter in weight, easier to manufacture and less costly.
The embodiment of the invention also provides a radial magnetic circuit assembling method, which comprises the following steps:
s1: providing a magnetic central column 40, wherein the magnetic central column 40 comprises a large-diameter section 41 and a small-diameter section 42 which are sequentially connected, and a limiting step 43 is formed at the connecting part of the large-diameter section 41 and the small-diameter section 42;
s2: providing a lower lantern ring 50, uniformly and annularly assembling a plurality of tile-shaped magnets 30 on the limiting step 43, and then sleeving the lower lantern ring 50 outside the tile-shaped magnets 30 from the large-diameter section 41 to the small-diameter section 42 to limit radial displacement of each tile-shaped magnet 30;
s3: providing an upper lantern ring 60, firstly, sleeving the upper axial magnetic sheet 10 outside the small-diameter section 42, then sleeving the upper lantern ring 60 in the small-diameter section 42 towards the large-diameter section 41, and tightly pressing the upper axial magnetic sheet 10 on the upper axial side surface of each tile-shaped magnet 30 so as to fixedly connect the upper axial magnetic sheet 10 with each tile-shaped magnet 30;
s4: pushing the assembled upper axial magnetic sheet 10 and the tile-shaped magnets 30 out of the small-diameter section 42;
s5: firstly, the lower axial magnetic sheet 20 is sleeved outside the small-diameter section 42, then the upper sleeve ring 60 is sleeved on the small-diameter section 42 towards the direction of the large-diameter section 41, and the lower axial magnetic sheet 20 is tightly pressed on the lower axial side surface of each tile-shaped magnet 30, so that the lower axial magnetic sheet 20 is fixedly connected with each tile-shaped magnet 30;
s6: and pushing the assembled upper axial magnetic sheet 10 and each tile-shaped magnet 30 out of the small-diameter section 42.
In the assembling method of the radial magnetic circuit of the embodiment of the invention, during assembling, the tile-shaped magnets 30 are annularly and uniformly distributed on the limiting step 43 formed at the joint of the large-diameter section 41 and the small-diameter section 42, then the lower lantern ring 50 is sleeved to limit the radial displacement of each tile-shaped magnet 30, then the upper axial magnetic sheet 10 is pressed on the upper axial side surface of each tile-shaped magnet 30 through the upper lantern ring 60, each tile-shaped magnet 30 is fixedly connected with the upper axial magnetic sheet 10, finally the upper axial magnetic sheet 10 is turned over, the lower axial magnetic sheet 20 is pressed on the lower axial side surface of each tile-shaped magnet 30 through the upper lantern ring 60, and each tile-shaped magnet 30 is fixedly connected with the lower axial magnetic sheet 20.
In this embodiment, in the step S3, a quick-drying glue is coated on an upper axial side surface of each tile-shaped magnet 30 to fixedly connect the upper axial magnetic sheet 10 with each tile-shaped magnet 30; in the step S5, a quick-drying glue is applied to the lower axial side surface of each tile-shaped magnet 30 to fixedly connect the lower axial magnet piece 20 and each tile-shaped magnet 30. Specifically, the upper axial magnetic sheet 10 and the lower axial magnetic sheet 20 are fixedly connected with the tile-shaped magnets 30 through the quick-drying glue, so that not only can the quick assembly be realized, but also the connection stability of the upper axial magnetic sheet 10 and the lower axial magnetic sheet 20 with the tile-shaped magnets 30 after the assembly is completed is excellent.
In this embodiment, preferably, the quick-drying glue is an a/B glue or an anaerobic glue. Of course, in other embodiments, the quick-drying glue may also be a yellow glue or a white glue.
In this embodiment, referring to fig. 6, in the step S4, a sleeve 70 is provided, and the assembled upper axial magnetic sheet 10 and each tile-shaped magnet 30 are pushed out of the small-diameter portion 42 through the sleeve 70; in the step S6, the assembled upper axial magnet piece 10 and each tile magnet 30 are pushed out of the small-diameter portion 42 through the sleeve 70. Specifically, since the upper axial magnetic sheet 10 and the lower axial magnetic sheet 20 need to be assembled and connected with the upper axial side surface and the lower axial side surface of the tile-shaped magnet 30 which are uniformly distributed in an annular shape, after the assembly and connection of the upper axial magnetic sheet 10 and the upper axial side surface of each tile-shaped magnet 30 is completed, the upper axial magnetic sheet 10 and each tile-shaped magnet 30 need to be taken out, at this time, the sleeve 70 is adopted to push the upper axial magnetic sheet 10 and each tile-shaped magnet 30 until the upper axial magnetic sheet 10 and each tile-shaped magnet 30 are separated from the lower diameter section, the upper axial magnetic sheet 10 is turned over, each tile-shaped magnet 30 connected with the upper axial magnetic sheet 10 is also turned over, then the upper axial magnetic sheet 10 is sleeved outside the small diameter section 42 until the upper axial magnetic sheet 10 abuts against the limiting step 43, at this time, the assembly of the lower axial magnetic sheet 20 is performed, and the assembly of the lower axial magnetic sheet 20 is the same as the assembly method of the upper axial magnetic sheet 10, which is not described in detail.
In this embodiment, a sealing plate 51 is disposed at one end of the lower collar 50, and an end of the large-diameter section 41 abuts against an inner side of the sealing plate 51. Specifically, when the lower collar 50 is sleeved outside the tile-shaped magnet 30 in the direction from the large-diameter section 41 to the small-diameter section 42, the sleeved depth of the lower collar 50 does not need to be controlled, the lower collar 50 is directly pushed until the inner side of the sealing plate 51 of the lower collar 50 abuts against the end of the large-diameter section 41, the assembly efficiency is higher, and the proper amount of assembly can be ensured. Preferably, the closing plate 51 is designed integrally with the lower collar 50.
In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the performance of the prior art and has practicability, and becomes a product with practical value.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A radial magnetic circuit assembling device is used for assembling an upper axial magnetic sheet and a lower axial magnetic sheet on the upper axial side face and the lower axial side face of a plurality of radial magnetized tile-shaped magnets respectively, and is characterized in that the radial magnetic circuit assembling device comprises a magnetic central column, a lower lantern ring and an upper lantern ring, the magnetic central column comprises a large-diameter section and a small-diameter section which are connected in sequence, a limiting step for annularly and uniformly assembling each tile-shaped magnet is formed at the joint of the large-diameter section and the small-diameter section, the lower lantern ring is sleeved outside the tile-shaped magnets from the large-diameter section towards the small-diameter section and used for limiting radial displacement of each tile-shaped magnet, the upper lantern ring is sleeved from the small-diameter section towards the large-diameter section and used for tightly pressing the upper axial magnetic sheet on the upper axial side face of each tile-shaped magnet and fixedly connecting each tile-shaped magnet with the upper axial magnetic sheet, and after the upper axial magnetic sheet is turned over, the lower axial magnetic sheet is tightly pressed on the lower axial side face of each tile-shaped magnet and fixedly connected with the lower axial magnetic sheet.
2. The radial magnetic circuit assembling device according to claim 1, wherein a sealing plate is provided at one end of the lower collar, and an end of the large-diameter portion abuts against an inner side of the sealing plate.
3. The radial magnetic circuit assembly device of claim 1, further comprising a sleeve for pushing out the upper axial magnetic sheet and the tile magnet, which are completely assembled, and the upper axial magnetic sheet and the lower axial magnetic sheet and the tile magnet, which are completely assembled, on the small-diameter section.
4. The radial magnetic circuit assembly device according to any one of claims 1 to 3, wherein the lower collar is a non-metal lower collar, and the upper collar is a non-metal upper collar.
5. The radial magnetic circuit assembly device of claim 4, wherein the non-metallic lower collar is a plastic lower collar and the non-metallic upper collar is a plastic upper collar.
6. A method of assembling a radial magnetic circuit, comprising the steps of:
s1: providing a magnetic central column, wherein the magnetic central column comprises a large-diameter section and a small-diameter section which are sequentially connected, and a limiting step is formed at the connecting part of the large-diameter section and the small-diameter section;
s2: providing a lower lantern ring, uniformly and annularly assembling a plurality of radial magnetized tile-shaped magnets on the limiting step, and then sleeving the lower lantern ring outside the tile-shaped magnets from the large-diameter section to the small-diameter section to limit the radial displacement of each tile-shaped magnet;
s3: providing an upper lantern ring, firstly sleeving an upper axial magnetic sheet outside the small-diameter section, then sleeving the upper lantern ring in the direction of the small-diameter section towards the large-diameter section from the small-diameter section, and tightly pressing the upper axial magnetic sheet on the upper axial side surface of each tile-shaped magnet so as to fixedly connect the upper axial magnetic sheet with each tile-shaped magnet;
s4: pushing the assembled upper axial magnetic sheet and each tile-shaped magnet out of the small-diameter section;
s5: turning over the upper axial magnetic sheet, and then sleeving the upper axial magnetic sheet outside the small-diameter section until the upper axial magnetic sheet abuts against the limiting step;
s6: sleeving a lower axial magnetic sheet outside the small-diameter section, sleeving the upper sleeve ring in the direction from the small-diameter section to the large-diameter section, and pressing the lower axial magnetic sheet on the lower axial side surface of each tile-shaped magnet so as to fixedly connect the lower axial magnetic sheet with each tile-shaped magnet;
s7: and pushing the upper axial magnetic sheet and the upper axial magnetic sheet which are assembled and the tile-shaped magnets out of the small-diameter section.
7. The method for assembling a radial magnetic circuit according to claim 6, wherein in the step S3, a quick-drying type glue is applied to an upper axial side surface of each of the tile-shaped magnets to fixedly connect the upper axial magnetic sheet with each of the tile-shaped magnets; in the step S6, a quick-drying glue is applied to a lower axial side surface of each tile-shaped magnet to fixedly connect the lower axial magnetic sheet and each tile-shaped magnet.
8. The method of assembling a radial magnetic circuit of claim 7, wherein the quick-drying glue is an a/B glue or an anaerobic glue.
9. The radial magnetic circuit assembling method of claim 6, wherein in the step S4, a sleeve is provided through which the assembled upper axial magnetic pieces and the respective tile magnets are pushed out of the small-diameter section; in the step S7, the assembled upper axial magnetic pieces and the tile-shaped magnets are pushed out of the small-diameter section through the sleeve.
10. The method for assembling a radial magnetic circuit according to any one of claims 6 to 9, wherein a sealing plate is provided at one end of the lower collar, and an end of the large-diameter section abuts against an inner side of the sealing plate.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127837.6A CN107027088B (en) | 2017-03-06 | 2017-03-06 | Radial magnetic circuit assembling device and assembling method |
| PCT/CN2017/114625 WO2018161659A1 (en) | 2017-03-06 | 2017-12-05 | Radial magnetic circuit assembly device and assembling method |
| US16/491,313 US11387027B2 (en) | 2017-03-06 | 2017-12-05 | Radial magnetic circuit assembly device and radial magnetic circuit assembly method |
| EP17899793.8A EP3595335A4 (en) | 2017-03-06 | 2017-12-05 | Radial magnetic circuit assembly device and assembling method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710127837.6A CN107027088B (en) | 2017-03-06 | 2017-03-06 | Radial magnetic circuit assembling device and assembling method |
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| CN107027088A CN107027088A (en) | 2017-08-08 |
| CN107027088B true CN107027088B (en) | 2022-12-20 |
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