CN113225663A - Multipurpose magnetic circuit tool with replaceable positioning core - Google Patents
Multipurpose magnetic circuit tool with replaceable positioning core Download PDFInfo
- Publication number
- CN113225663A CN113225663A CN202110489007.4A CN202110489007A CN113225663A CN 113225663 A CN113225663 A CN 113225663A CN 202110489007 A CN202110489007 A CN 202110489007A CN 113225663 A CN113225663 A CN 113225663A
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- CN
- China
- Prior art keywords
- magnetic circuit
- positioning
- hole
- plate
- core
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Magnetic Heads (AREA)
Abstract
The invention discloses a multipurpose magnetic circuit tool with a replaceable positioning core, which belongs to the field of loudspeakers and particularly comprises a magnetic circuit tool assembly and a pressurizing assembly, wherein the magnetic circuit tool assembly comprises a positioning plate, the positioning plate is provided with a positioning hole capable of accommodating the positioning core, the positioning plate is provided with a plurality of positioning grooves, the positioning grooves are internally provided with two movable pressing plates and a guide conical ring positioned between the two pressing plates, the guide conical ring is provided with a screw, and when the screw is screwed to the guide conical ring, the two pressing plates simultaneously move towards the positioning core under the action of the rotation force of the screw thread so as to fasten the positioning core. According to the invention, the positioning core of the fixed magnetic circuit system is replaced and then the pressing plates on the two sides are locked, the pressing plates are mutually pressed left and right under the stress of the inclination of the screw, so that the positioning core can be firmly fixed on the positioning plate without replacing the whole magnetic circuit tool, and the main tool does not need to be replaced, so that the overall cost of the magnetic circuit tool is greatly saved.
Description
Technical Field
The invention relates to the technical field of loudspeakers, in particular to a multipurpose magnetic circuit tool with a replaceable positioning core.
Background
According to the development of the electroacoustic industry and the continuous updating of process manufacturing at present, the improvement on the tool is comprehensively improved, however, no matter a mobile phone device loudspeaker or an earphone core unit is fundamentally innovated on the magnetic circuit tool all the time, a whole set of tool can be provided for one unit specification, as the distance between the magnetic circuit tool and the overall dimension are different due to the continuous replacement of designers, the waste of the tool and the consistency of the process are not high, in the process of development according to the whole electroacoustic industry, the requirement of customers on the consistency of products is higher and higher, the consistency of the concentricity of the magnetic circuit must be ensured in a magnetic circuit system, and therefore, the tool needs to be improved.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art and provides a multipurpose magnetic circuit tool with a replaceable positioning core.
The technical solution of the invention is as follows:
the utility model provides a multi-purpose magnetic circuit frock of interchangeable location core, includes magnetic circuit frock subassembly and pressurization subassembly, magnetic circuit frock subassembly includes the locating plate, be provided with the locating hole that can hold the location core on the locating plate, be provided with a plurality of constant head tanks on the locating plate, be provided with mobilizable two clamp plates in the constant head tank and be located the guide cone ring between two clamp plates, be provided with the screw on the guide cone ring, when the screw to when the guide cone ring is screwed up, two clamp plates receive screw thread rotational force simultaneously and remove in order to fasten the location core towards the location core.
Preferably, the edge of the positioning groove and the side edge of the pressing plate are both provided with semicircular notches to form the positioning hole.
Preferably, the positioning groove is provided with an avoiding hole.
Preferably, the magnetic circuit tool assembly further comprises a base plate, a step hole is formed in the base plate, a limiting hole is formed in the positioning plate, a positioning pin is arranged in the step hole, and the positioning pin can penetrate into the limiting hole.
Preferably, the inner wall of the limiting hole is provided with a metal copper sleeve.
Preferably, the positioning plate is provided with a product ejecting hole which is positioned below the positioning core and communicated with the middle through hole in the positioning core.
Preferably, the pressurizing assembly comprises an upper pressing plate and a lower pressing plate, a penetrating hole is formed in the lower pressing plate, a pressing block is accommodated in the penetrating hole, a first accommodating groove is formed in the pressing block, a second accommodating groove is formed in the lower pressing plate, and elastic elements are arranged in the first accommodating groove and the second accommodating groove.
Preferably, the upper platen is connected to the lower platen by a fastening assembly.
Preferably, the lower pressure plate is provided with a guide post, the positioning plate is provided with a guide hole, the inner wall of the guide hole is provided with a guide pin sleeve,
the invention has at least one of the following beneficial effects: according to the invention, the two movable pressing plates are arranged on the positioning plate, the two pressing plates are arranged in the positioning groove, the guide conical ring is arranged between the pressing plates, when the screw is screwed on the guide conical ring, the screw thread screwing action force of the screw is transmitted to the pressing plates, the pressing plates move towards two sides, and the fastening effect on the positioning core is realized, so that the positioning core tool can be firmly fixed on the positioning plate, when the positioning cores of other models are needed, only the positioning core needs to be replaced, the whole magnetic circuit tool does not need to be replaced like a traditional mode, the practicability is high, and the main body tool does not need to be replaced, so that the overall cost of the magnetic circuit tool is greatly saved.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view E-E of FIG. 2;
FIG. 4 is a D-D cross-sectional view of FIG. 2;
FIG. 5 is a three-dimensional schematic view of the magnetic circuit tooling assembly after assembly of the positioning core in the preferred embodiment of the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a cross-sectional view A-A of FIG. 6;
FIG. 8 is a cross-sectional view C-C of FIG. 6;
FIG. 9 is an enlarged view of a portion A of FIG. 8;
FIG. 10 is a cross-sectional view B-B of FIG. 6;
fig. 11 is a partial enlarged view B of fig. 10;
in the figure, 1-a pressurizing assembly, 11-an upper pressure plate, 12-a lower pressure plate, 13-a guide column, 14-a pressing block, 15-an elastic element, 16-a bolt, 2-a magnetic circuit tool assembly, 21-a positioning plate, 22-a positioning core, 24-a guide pin sleeve, 25-a product ejection hole, 31-a metal copper sleeve, 4-a base plate, 41-a stepped hole, 42-a positioning pin, 5-a positioning core, 51-a middle through hole, 211-a washer step, 212-a washer putting state, 213-a magnet assembling state, 214-a support assembling state, 215-a positioning groove, 216-an avoiding hole, 61-a support, 62-a magnet, 63-a washer, 7-a guide cone ring, 8-a screw and 9-a pressure plate.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 11, a preferred embodiment of the present invention:
the utility model provides a multi-purpose magnetic circuit frock of interchangeable location core, includes magnetic circuit frock subassembly 2 and pressurization subassembly 1, magnetic circuit frock subassembly 2 includes locating plate 21, be provided with the locating hole that can hold location core 22 on the locating plate 21, be provided with a plurality of constant head tanks 215 on the locating plate 21, be provided with mobilizable two clamp plates 9 and the guide cone ring 7 that is located between two clamp plates 9 in the constant head tank 215, be provided with screw 8 on the guide cone ring 7, when screw 8 to when the guide cone ring 7 is screwed up, two clamp plates 9 receive screw 7 screw thread rotational force simultaneously and move towards location core 5 in order to fasten location core 5, specifically, location core 5 can carry out not unidimensional change, also is suitable for the circular magnetic circuit of many types, and is not limited to this.
In a specific application, a washer step 211 is arranged in the positioning core 5, and is used for placing a washer 63, a magnet 62 with a glued surface and a support 61 sleeved on the magnet 62 are sequentially placed on the washer, the support 61 can be pressed by the pressing component, and a specific assembly state diagram of the pressing component can refer to a washer placing state 212, a magnet assembling state 213 and a support assembling state 214 in fig. 5.
This embodiment is through setting up mobilizable two clamp plates 9 on locating plate 21, and set up two clamp plates 9 in constant head tank 215, set up direction taper ring 7 between clamp plate 9, adopt screw 8 when screwing up the precession on direction taper ring 7, screw 6's screw precession effort transmits on clamp plate 9, the clamp plate removes to both sides, the fastening effect to the location core is realized, can guarantee like this that the location core frock is firmly fixed on locating plate 21, when the location core of other models is needed, only need to change the location core can, need not to change whole magnetic circuit frock like traditional mode, high practicability, need not change because of the main part frock, the overall cost of magnetic circuit frock has been practiced thrift so greatly.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
the edge of the positioning groove 215 and the side edge of the pressing plate 9 are provided with 4 semicircular notches to form the positioning holes, specifically, 2 rectangular positioning grooves are arranged in parallel on the positioning plate 21. The number and shape are not limited to these, and may be appropriately selected as needed.
Be provided with dodge hole 216 on the constant head tank 215, be located the four corners of constant head tank 215 respectively, the chamfer is carried out in the four corners of clamp plate, dodges the setting of hole 216 and avoids clamp plate 9 to move the time with the direct collision in constant head tank 215 four corners and damage.
The magnetic circuit tool assembly 2 further comprises a base plate 4, a stepped hole 41 is formed in the base plate 4, a limiting hole is formed in the positioning plate 21, a positioning pin 42 is arranged in the stepped hole 41, the positioning pin 42 can penetrate into the limiting hole, positioning of the limiting hole is facilitated, and the positioning is mainly achieved through the fact that glue is conveniently applied to 63 washers and 62 magnets on the magnetic circuit tool assembly after accurate positioning is conducted on the positioning.
The inner wall of the limiting hole is inlaid with a metal copper sleeve 31 which is matched with a positioning pin 42 on the base plate 4, so that the tool grinding caused by long-time assembling friction is avoided.
The positioning plate 21 is provided with a product ejecting hole 25 which is located below the positioning core 5 and communicated with a middle through hole 51 in the positioning core 5, so that the product can be ejected out conveniently.
The pressurizing assembly 1 comprises an upper pressing plate 11 and a lower pressing plate 12, a penetrating hole is formed in the lower pressing plate 12, a pressing block 14 is contained in the penetrating hole, a first containing groove is formed in the pressing block 14, a second containing groove is formed in the lower pressing plate 12, an elastic element 15 is arranged in the first containing groove and the second containing groove, specifically, the elastic element 15 adopts a spring, has a certain pressing buffering effect, ensures the uniformity of pressing force, and ensures the yield of products.
The upper pressure plate 11 is connected with the lower pressure plate 12 through a fastening assembly, and is fixed by bolts.
The lower pressing plate 12 is provided with a guide post 13, the positioning plate 21 is provided with a guide hole, and the inner wall of the guide hole is provided with a guide pin sleeve 24, so that the accurate positioning mainly ensures that the pressing block 14 can be pressed to the center of a product better.
When specifically using, locating plate 21 and bed plate 4 are fixed a position, install and treat the pressurization product, put into the punch-out hole of holding down plate with briquetting 14, then put into the first storage tank on briquetting 14 with the spring, correspond the second storage tank of top board 11 and spring and place again, then adopt the bolt to lock top board 11 and holding down plate 12, the lower surface of briquetting 14 can with the upper surface contact of support 61, then stretch into guide pin cover 24 with guide post 13 and fix a position, carry out the pressfitting at last.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.
Claims (9)
1. The utility model provides a multi-purpose magnetic circuit frock of interchangeable location core which characterized in that: including magnetic circuit frock subassembly (2) and pressurization subassembly (1), magnetic circuit frock subassembly (2) include locating plate (21), be provided with the locating hole that can hold location core (22) on locating plate (21), be provided with a plurality of constant head tanks (215) on locating plate (21), be provided with mobilizable two clamp plates (9) in constant head tank (215) and be located guide cone ring (7) between two clamp plates (9), be provided with screw (8) on guide cone ring (7), when screw (8) to when guide cone ring (7) are screwed up, two clamp plates (9) receive screw (7) screw thread rotation effort simultaneously and move in order to fasten location core (5) towards location core (5).
2. The multipurpose magnetic circuit tool with the replaceable positioning core as claimed in claim 1, wherein: the edge of the positioning groove (215) and the side edge of the pressing plate (9) are both provided with semicircular notches to form the positioning hole.
3. The multipurpose magnetic circuit tool with the replaceable positioning core as claimed in claim 1, wherein: and an avoiding hole (216) is formed in the positioning groove (215).
4. The multipurpose magnetic circuit tool with the replaceable positioning core as claimed in claim 1, wherein: magnetic circuit frock subassembly (2) still include bed plate (4), be provided with stepped hole (41) on bed plate (4), locating plate (21) are provided with spacing hole, be provided with locating pin (42) in stepped hole (41), locating pin (42) can penetrate spacing downthehole.
5. The multipurpose magnetic circuit tool with the replaceable positioning core as claimed in claim 4, wherein: and a metal copper sleeve (31) is arranged on the inner wall of the limiting hole.
6. The multipurpose magnetic circuit tool with the replaceable positioning core as claimed in claim 1, wherein: the positioning plate (21) is provided with a product ejection hole (25) which is positioned below the positioning core (5) and communicated with a middle through hole (51) in the positioning core (5).
7. The multipurpose magnetic circuit tool with the replaceable positioning core as claimed in claim 1, wherein: the pressurizing assembly (1) comprises an upper pressing plate (11) and a lower pressing plate (12), a penetrating hole is formed in the lower pressing plate (12), a pressing block (14) is contained in the penetrating hole, a first containing groove is formed in the pressing block (14), a second containing groove is formed in the lower pressing plate (12), and an elastic element (15) is arranged in the first containing groove and the second containing groove.
8. The multipurpose magnetic circuit tool with the replaceable positioning core as claimed in claim 7, wherein: the upper pressure plate (11) is connected with the lower pressure plate (12) through a fastening assembly.
9. The multipurpose magnetic circuit tool with the replaceable positioning core as claimed in claim 7, wherein: the lower pressing plate (12) is provided with a guide post (13), the positioning plate (21) is provided with a guide hole, and the inner wall of the guide hole is provided with a guide pin sleeve (24).
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CN202110489007.4A CN113225663B (en) | 2021-04-30 | 2021-04-30 | Multipurpose magnetic circuit tool with replaceable positioning core |
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CN202110489007.4A CN113225663B (en) | 2021-04-30 | 2021-04-30 | Multipurpose magnetic circuit tool with replaceable positioning core |
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