CN102523550B - Miniature loudspeaker module and manufacturing method thereof - Google Patents
Miniature loudspeaker module and manufacturing method thereof Download PDFInfo
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- CN102523550B CN102523550B CN201110448304.0A CN201110448304A CN102523550B CN 102523550 B CN102523550 B CN 102523550B CN 201110448304 A CN201110448304 A CN 201110448304A CN 102523550 B CN102523550 B CN 102523550B
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Abstract
The invention discloses a miniature loudspeaker module and a manufacturing method thereof. The miniature loudspeaker module comprises a loudspeaker unit and an outer casing, and the outer casing is used for holding and fixing the loudspeaker unit. The outer casing consists of an upper casing and a lower casing which are integrated, the space inside the outer casing includes a mounting portion for mounting the loudspeaker unit, each of the upper casing and the lower casing is provided with a body made of plastics, two mounting holes are arranged at the positions of the bodies corresponding to the mounting portion, inserts made of metal are arranged on the two mounting holes, the thickness of each insert is smaller than that of each body, the thickness of the module can be reduced by the above design and thinning of products is realized. In the manufacturing method of the miniature loudspeaker module, positioning parts are integrally formed on the upper insert and the lower insert which are made of metal, the upper insert and the lower insert are positioned on an injection mold accurately through the positioning parts, then the body of the upper casing combined with the periphery of the upper insert and the body of the lower casing combined with the periphery of the lower insert are formed by injection molding, thereby yield and production efficiency of products are improved.
Description
Technical field
The present invention relates to electroacoustic field, be specifically related to a kind of Microspeaker module and manufacture method thereof.
Background technology
Now, portable type electronic product to the future development of slimming, as the Microspeaker module also slimming increasingly of important acoustical device.Microspeaker module comprises loudspeaker monomer, and the shell of the fixing loudspeaker monomer of collecting, and shell is generally combined by upper shell and lower house to form, upper shell and lower house adopt plastic material, in order to ensure its intensity, both needs have certain thickness, are generally 0.5mm.But, accommodating loudspeaker monomer and the rear operatic tunes and/or the front operatic tunes is needed in the cavity that upper shell and lower house are formed, in order to ensure that the acoustical behavior of product needs to ensure that the cavity that upper shell and lower house are formed has certain volume, its intensity can be ensured because plastics upper shell and lower house need to have suitable thickness, be difficult in prior art make improvement in the slimming of Microspeaker module.Therefore, in order to adapt to the development trend of electronic product slimming, be necessary to improve the Microspeaker module of said structure, to realize the slimming of Microspeaker module.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of Microspeaker module, can reduce the thickness of Microspeaker module, realize the slimming of product; A kind of manufacture method of above-mentioned Microspeaker module is also provided, solves parts in production process and locate inaccurate problem each other, improve rate of finished products and the production efficiency of product.
For solving the problems of the technologies described above, technical scheme of the present invention is: Microspeaker module, comprise the shell of loudspeaker monomer and the fixing described loudspeaker monomer of collecting, described shell is made up of the upper shell combined and lower house, and the space in described shell comprises the installation portion for installing described loudspeaker monomer; Wherein:
Described upper shell comprises the upper shell body that plastic material is made, on described upper shell body, the position of corresponding described installation portion has the first installing hole, described first installing hole is provided with the upper inserts that metal material is made, and the thickness of described upper inserts is less than the thickness of described upper shell body;
Described lower house comprises the lower house body that plastic material is made, on described lower house body, the position of corresponding described installation portion has the second installing hole, described second installing hole is provided with the lower inserts that metal material is made, and the thickness of described lower inserts is less than the thickness of described lower house body.
As the preferred technical scheme of one, described lower inserts is provided with the reinforcement of protrusion towards the one side of described loudspeaker monomer, and described reinforcement contacts with described loudspeaker monomer.
As the preferred technical scheme of one, described upper inserts and described lower inserts are made by stainless steel material.
As the preferred technical scheme of one, the thickness of described upper shell body and described lower house body is 0.5mm, and the thickness of described upper inserts and described lower inserts is 0.2mm.
The manufacture method of above-mentioned Microspeaker module, comprise the number of assembling steps between the procedure of processing of upper shell, the procedure of processing of lower house and Microspeaker module parts, the procedure of processing of described upper shell comprises:
Step one, forms upper inserts by metal material punching press, and the first joint portion of the edge sinking forming station scalariform of described upper inserts, is formed with the first keeper at the edge integrated punching of described first joint portion, described first keeper is formed with the first location hole;
Step 2, first injection mold has first fixed leg corresponding with described first location hole, first described first fixed leg is inserted in described first location hole, be fixed on by described upper inserts on described first injection mold, then the perimeter injection moulding of inserts forms the upper shell body combined with described first joint portion on described;
The procedure of processing of described lower house comprises:
Step one, forms lower inserts by metal material punching press, the edge of described lower inserts rises the second joint portion of forming station scalariform, is formed with the second keeper at the edge integrated punching of described second joint portion, and described second keeper is formed with the second location hole;
Step 2, second injection mold has second fixed leg corresponding with described second location hole, first described second fixed leg is inserted in described second location hole, described lower inserts is fixed on described second injection mold, then forms at the perimeter injection moulding of described lower inserts the lower house body combined with described second joint portion;
Before number of assembling steps, in number of assembling steps process or after number of assembling steps, the second keeper on the first keeper on described upper inserts and described lower inserts is removed.
As the preferred technical scheme of one, described number of assembling steps comprises framework loudspeaker monomer being placed in upper shell and lower house formation, and by upper shell and lower house secure bond.
As the preferred technical scheme of one, the position that described first joint portion is connected with described first keeper and the position that described second joint portion is connected with described second keeper are equipped with prejudges portion, by prejudging portion and interrupt by described and remove the first keeper on described upper inserts and the second keeper on described lower inserts.
As the preferred technical scheme of one, described first joint portion is arranged around the edge of described upper inserts, and setting is interrupted along the edge of described lower inserts in described second joint portion.
As the preferred technical scheme of one, described upper inserts is provided with two the first keepers, and described lower inserts is provided with two the second keepers.
After have employed technique scheme, the invention has the beneficial effects as follows:
1. Microspeaker module of the present invention, compared with traditional structure, form the upper shell of shell and comprise the upper shell body that plastic material makes, on upper shell body, the position of corresponding installation portion has the first installing hole, and the first installing hole is provided with the upper inserts that metal material is made; Lower house comprises the lower house body that plastic material is made, on lower house body, the position of corresponding installation portion has the second installing hole, second installing hole is provided with the lower inserts that metal material is made, and the thickness of upper inserts, lower inserts is less than the thickness of upper shell body, lower house body.The upper shell body made due to plastic material and lower house body are in order to reach required intensity, thickness is generally 0.5mm, and the upper inserts that metal material is made and lower inserts can reach desirable strength when its thickness is about 0.2mm, therefore, when Total Product thickness is constant, the cavity volume formed between upper inserts and lower inserts becomes large, when the cavity volume so formed between inserts and lower inserts on ensureing is constant, the integral thickness of product can be reduced, realize the slimming of product.
2. the Microspeaker module of said structure in process of production, in the process that upper inserts, lower inserts are combined with upper shell body, lower house body respectively, upper inserts, lower inserts are easily moved and cause location inaccurate, be difficult to combine, cause rate of finished products lower, and reduce production efficiency.The manufacture method of Microspeaker module of the present invention, solve above-mentioned technical problem, the upper inserts and lower inserts of metal material are formed with keeper, first by keeper, upper inserts and lower inserts are accurately positioned on injection mold, then injection moulding forms the upper shell body be combined with upper inserts periphery, and the lower house body to be combined with lower inserts periphery, thus improve rate of finished products and the production efficiency of product.And the first joint portion of the edge sinking forming station scalariform of upper inserts, the edge of lower inserts rises the second joint portion of forming station scalariform, above-mentioned design, can make the upper shell body of inserts on metal, lower inserts and plastic material, lower house body strong bonded, improves rate of finished products.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the perspective exploded view of Microspeaker module of the present invention;
Fig. 2 is the perspective view of inserts on Microspeaker module of the present invention;
Fig. 3 is the structure for amplifying schematic diagram of the part of E shown in Fig. 2
Fig. 4 is the perspective view of the first injection mold of inserts and fixing upper inserts on Microspeaker module of the present invention;
Fig. 5 is the perspective view on Microspeaker module of the present invention after inserts and the injection moulding of upper shell body;
Fig. 6 is the perspective view of inserts under Microspeaker module of the present invention;
Fig. 7 is the perspective view of the second injection mold of inserts and fixing lower inserts under Microspeaker module of the present invention;
Fig. 8 is the perspective view under Microspeaker module of the present invention after inserts and the injection moulding of lower house body;
Fig. 9 is the perspective view of Microspeaker module of the present invention;
Figure 10 is the D-D cutaway view of the module of Microspeaker shown in Fig. 9.
In figure: 1. upper shell, 11. upper shell bodies, 111. first installing holes, 112. the 3rd installing holes, inserts on 12., 121. first joint portions, 13. sound passing members, 131. phonate hole, 2. lower house, 21. lower house bodies, 211. second installing holes, 22. times inserts, 221. reinforcement, 222. second joint portions, 3. loudspeaker monomer, 4. connector, 5. the first keeper, 51. first location holes, 6. prejudge portion, 7. the second keeper, 71. second location holes, 8. prejudge portion, 9. the first injection mold, 10. the second injection mold, A. installation portion, A1. the front operatic tunes, B. sound conducting part, C. the operatic tunes after.
Embodiment
As shown in Fig. 1, Fig. 9 and Figure 10, Microspeaker module comprises the shell of loudspeaker monomer 3 and the fixing loudspeaker monomer 3 of collecting, and shell is made up of the upper shell 1 combined and lower house 2.Microspeaker module is also provided with connector 4, and connector 4 makes Microspeaker module be electrically connected with external electronic circuits.
Space in shell comprises the installation portion A for installing loudspeaker monomer 3.Upper shell 1 comprises the upper shell body 11 that plastic material is made, on upper shell body 11, the position of corresponding installation portion A has the first installing hole 111, first installing hole 111 is provided with the upper inserts 12 that metal material is made, and on this, the thickness of inserts 12 is less than the thickness of upper shell body 11.Lower house 2 comprises the lower house body 21 that plastic material is made, on lower house body 21, the position of corresponding installation portion A has the second installing hole 211, second installing hole 211 is provided with the lower inserts 22 that metal material is made, and the thickness of lower inserts 22 is less than the thickness of lower house body 21.In this implementation process, the upper shell body 11 that plastic material is made and lower house body 21 are in order to reach required intensity, thickness is processed as 0.5mm, and the upper inserts 12 that metal material is made and lower inserts 22 thickness are reduced to 0.2mm, has reached enough intensity.
Preferably, the stainless steel material that upper inserts 12 and lower inserts 22 often use in all adopting and producing is made.The position of the present invention's corresponding installation portion on the shell of plastic material arranges the upper inserts 12 of metal material and lower inserts 22 respectively, when cavity (the i.e. installation portion A) constancy of volume that this structure can be formed between inserts 12 and lower inserts 22 on ensureing, reduce the integral thickness of product, realize the slimming of product.
In addition, be provided with the reinforcement 221 of protrusion at lower inserts 22 towards the one side of loudspeaker monomer 3, reinforcement 221 contacts with loudspeaker monomer 3.The lower inserts 22 of this employing reinforcement 221, because reinforcement 221 directly contacts with loudspeaker monomer 3, therefore, the heat that loudspeaker monomer 3 produces can be shed by the lower inserts 22 of stainless steel material, is conducive to the heat radiation of loudspeaker monomer 3.
Installation portion A is all larger part in shell inner height and space, in installation portion A, forms the front operatic tunes A1 of Minitype speaker device between loudspeaker monomer 3 and upper shell 1.The position that upper shell 1 departs from installation portion A is provided with the 3rd installing hole the 112, three installing hole 112 and is provided with sound passing member 13, and phonate hole 131 is located on sound passing member 13, and sound passing member 13 also has dustproof effect simultaneously.Space in shell also comprises the sound conducting part B being communicated with phonate hole 131 and front operatic tunes A1, and the sound guidance sent by loudspeaker monomer 3 by sound conducting part B is to the position at phonate hole 131 place.Adopt above-mentioned design, it is limited that the present invention is suitable for end product inner space, loudspeaker monomer cannot be arranged on Microspeaker module just to the situation of phonate hole position, this design can utilize the inner space of Microspeaker module fully, ensure that the acoustical behavior of Microspeaker module is unaffected.
Space in shell also comprises the rear operatic tunes C of the side being positioned at installation portion A, and the side of loudspeaker monomer 3 has sound penetrating hole, and rear operatic tunes C is communicated with sound penetrating hole.Rear operatic tunes C is positioned at the below of sound conducting part B, and both are separated by interlayer.The design that this rear operatic tunes C is located at loudspeaker monomer 3 side can effectively utilize the inner space of Microspeaker module to ensure the acoustical behavior of product equally.
The manufacture method of above-mentioned Microspeaker module comprises the number of assembling steps between the procedure of processing of upper shell 1, the procedure of processing of lower house 2 and Microspeaker module parts.
Wherein, as shown in Figures 2 to 5, the procedure of processing of upper shell 1 comprises:
Step one, forms upper inserts 12 by metal material mould punching, and is formed with the first identical keeper 5 of two shapes at the edge integrated punching of upper inserts 12, the first keeper 5 away from the end of inserts 12 be formed with the first location hole 51.Wherein, arrange at the edge of the first joint portion 121, joint portion 121, first of the edge sinking forming station scalariform of upper inserts 12 around upper inserts 12, the first joint portion 121 is connected with the first keeper 5 and junction arranges and prejudges portion 6.
Step 2, first injection mold 9 has first fixed leg 91 corresponding with the first location hole 51, first the first fixed leg 91 is inserted in the first location hole 51, upper inserts 12 is fixed on the first injection mold 9, then plastic cement is injected the first injection mold 9, form the upper shell body 11 combined with the first joint portion 121 of upper inserts 12 at the perimeter injection moulding of upper inserts 12, the end face of upper inserts 12 and the end face of upper shell body 11 are at grade.Wherein, the design of the first joint portion 121, be conducive to inserts 12 be combined with upper shell body 11 injection moulding of plastic material after fastness, improve the rate of finished products of product.
As shown in Figure 6 to 8, the procedure of processing of lower house 2 comprises:
Step one, forms lower inserts 22 by metal material punching press, and is formed with the second identical keeper 7 of two shapes at the edge integrated punching of lower inserts 22, is formed with the second location hole 71 at the second keeper 7 away from the end of lower inserts 22.Wherein, the second joint portion 222, joint portion 222, second edge of lower inserts 22 rising forming station scalariform is interrupted along lower inserts 22 edge and is arranged, and the second joint portion 222 is connected with the second keeper 7 and junction arranges and prejudges portion 8.
Step 2, second injection mold 10 has second fixed leg 101 corresponding with the second location hole 71, first the second fixed leg 101 is inserted in the second location hole 71, lower inserts 22 is fixed on the second injection mold 10, then plastic cement is injected the second injection mold 10, form the lower house body 21 combined with the second joint portion 222 of lower inserts 22 at the perimeter injection moulding of lower inserts 22, the bottom surface of lower inserts 22 and the bottom surface of lower house body 21 are at grade.Wherein, the design of the second joint portion 222, be conducive to lower inserts 22 be combined with lower house body 21 injection moulding of plastic material after fastness, improve the rate of finished products of product.
Before number of assembling steps, in number of assembling steps process or after number of assembling steps, by interrupting prejudging portion 6 the first keeper 5 removed on upper inserts 12, interrupt prejudging portion 8 the second keeper 7 removed on lower inserts 22.
As shown in Figure 9 and Figure 10, first the first keeper 5 on upper inserts 12 is removed, the second keeper 7 on lower inserts 22 is removed, then loudspeaker monomer 3 is positioned in lower house 2, finally by upper shell 1 and lower house 2 secure bond.Or, first loudspeaker monomer 3 is positioned in lower house 2, then by upper shell 1 and lower house 2 secure bond, finally the first keeper 5 on upper inserts 12 is removed, the second keeper 7 on lower inserts 22 is removed.Keeper also can be removed in number of assembling steps process.
In addition, because Microspeaker module also comprises connector 4 and sound passing member 13, the number of assembling steps of Microspeaker module also comprises the assembling of connector 4 and sound passing member 13, is routine operation, is not described in detail in this.
The present invention arranges keeper respectively on the upper inserts 12 and lower inserts 22 of metal material can make inserts 12 and lower inserts 22 be positioned at accurately on injection mold, so that the injection mo(u)lding of upper shell body 11 and lower house body 21, again keeper is removed after shaping, thus the rate of finished products of Microspeaker module production can be improved, improve the production efficiency of product.
Claims (9)
1. Microspeaker module, comprise the shell of loudspeaker monomer and the fixing described loudspeaker monomer of collecting, described shell is made up of the upper shell combined and lower house, and the space in described shell comprises the installation portion for installing described loudspeaker monomer; It is characterized in that:
Described upper shell comprises the upper shell body that plastic material is made, on described upper shell body, the position of corresponding described installation portion has the first installing hole, described first installing hole is provided with the upper inserts that metal material is made, the thickness of described upper inserts is less than the thickness of described upper shell body, and described upper inserts is combined with the injection moulding of described upper shell body;
Described lower house comprises the lower house body that plastic material is made, on described lower house body, the position of corresponding described installation portion has the second installing hole, described second installing hole is provided with the lower inserts that metal material is made, the thickness of described lower inserts is less than the thickness of described lower house body, and described lower inserts is combined with the injection moulding of described lower house body;
The position of described upper shell departing from described installation portion is provided with phonate hole, the front operatic tunes of Minitype speaker device is formed between described loudspeaker monomer and described upper shell, and comprising the sound conducting part being communicated with described phonate hole and the described front operatic tunes, the sound guidance that described loudspeaker monomer sends by described sound conducting part is to the position at described phonate hole place.
2. Microspeaker module as claimed in claim 1, is characterized in that: described lower inserts is provided with the reinforcement of protrusion towards the one side of described loudspeaker monomer, and described reinforcement contacts with described loudspeaker monomer.
3. Microspeaker module as claimed in claim 1 or 2, is characterized in that: described upper inserts and described lower inserts are made by stainless steel material.
4. Microspeaker module as claimed in claim 3, it is characterized in that: the thickness of described upper shell body and described lower house body is 0.5mm, the thickness of described upper inserts and described lower inserts is 0.2mm.
5. the manufacture method of Microspeaker module described in claim 1, comprise the number of assembling steps between the procedure of processing of upper shell, the procedure of processing of lower house and Microspeaker module parts, it is characterized in that, the procedure of processing of described upper shell comprises:
Step one, forms upper inserts by metal material punching press, and the first joint portion of the edge sinking forming station scalariform of described upper inserts, is formed with the first keeper at the edge integrated punching of described first joint portion, described first keeper is formed with the first location hole;
Step 2, first injection mold has first fixed leg corresponding with described first location hole, first described first fixed leg is inserted in described first location hole, be fixed on by described upper inserts on described first injection mold, then the perimeter injection moulding of inserts forms the upper shell body combined with described first joint portion on described;
The procedure of processing of described lower house comprises:
Step one, forms lower inserts by metal material punching press, the edge of described lower inserts rises the second joint portion of forming station scalariform, is formed with the second keeper at the edge integrated punching of described second joint portion, and described second keeper is formed with the second location hole;
Step 2, second injection mold has second fixed leg corresponding with described second location hole, first described second fixed leg is inserted in described second location hole, described lower inserts is fixed on described second injection mold, then forms at the perimeter injection moulding of described lower inserts the lower house body combined with described second joint portion;
Before number of assembling steps, in number of assembling steps process or after number of assembling steps, the second keeper on the first keeper on described upper inserts and described lower inserts is removed.
6. the manufacture method of Microspeaker module as claimed in claim 5, is characterized in that: described number of assembling steps comprises framework loudspeaker monomer being placed in upper shell and lower house formation, and by upper shell and lower house secure bond.
7. the manufacture method of the Microspeaker module as described in claim 5 or 6, it is characterized in that: the position that described first joint portion is connected with described first keeper and the position that described second joint portion is connected with described second keeper are equipped with prejudges portion, by prejudging portion and interrupt by described and remove the first keeper on described upper inserts and the second keeper on described lower inserts.
8. the manufacture method of Microspeaker module as claimed in claim 7, is characterized in that: described first joint portion is arranged around the edge of described upper inserts, and setting is interrupted along the edge of described lower inserts in described second joint portion.
9. the manufacture method of Microspeaker module as claimed in claim 8, it is characterized in that: described upper inserts is provided with two the first keepers, described lower inserts is provided with two the second keepers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110448304.0A CN102523550B (en) | 2011-12-28 | 2011-12-28 | Miniature loudspeaker module and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110448304.0A CN102523550B (en) | 2011-12-28 | 2011-12-28 | Miniature loudspeaker module and manufacturing method thereof |
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| CN102523550A CN102523550A (en) | 2012-06-27 |
| CN102523550B true CN102523550B (en) | 2015-02-25 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686553B (en) * | 2012-09-13 | 2017-04-26 | 新昌有限公司 | Loudspeaker structure |
| CN105872915B (en) * | 2016-05-20 | 2019-06-04 | 歌尔股份有限公司 | Sound-absorbing component and loudspeaker mould group for loudspeaker mould group |
| CN106303863B (en) * | 2016-11-04 | 2020-03-10 | 捷开通讯(深圳)有限公司 | Loudspeaker sound outlet structure for mobile terminal and mobile terminal |
| CN107839269A (en) * | 2017-10-27 | 2018-03-27 | 广东长盈精密技术有限公司 | The processing method of casting of electronic device |
| CN109672964B (en) * | 2018-11-16 | 2020-05-29 | 歌尔股份有限公司 | Loudspeaker module and electronic equipment |
| CN110662156B (en) * | 2019-09-11 | 2022-02-15 | 厦门东声电子有限公司 | Loudspeaker half module with connecting circuit and manufacturing process |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101001480A (en) * | 2006-12-29 | 2007-07-18 | 深圳创维－Rgb电子有限公司 | Audio processing device and method |
| CN101594562B (en) * | 2008-05-30 | 2013-09-04 | 深圳富泰宏精密工业有限公司 | Portable electronic device |
| JP2010124096A (en) * | 2008-11-18 | 2010-06-03 | Star Micronics Co Ltd | Electroacoustic transducer |
| CN201435742Y (en) * | 2009-04-14 | 2010-03-31 | 英华达（南京）科技有限公司 | Audio cavity structure and movable electronic equipment with same |
| CN201937820U (en) * | 2010-12-21 | 2011-08-17 | 瑞声声学科技(深圳)有限公司 | Vibration speaker |
| CN202385248U (en) * | 2011-12-28 | 2012-08-15 | 歌尔声学股份有限公司 | Minitype loudspeaker module |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |