CN106851520A - Silica gel vibrating diaphragm forming method and the silica gel vibrating diaphragm prepared using the method - Google Patents

Silica gel vibrating diaphragm forming method and the silica gel vibrating diaphragm prepared using the method Download PDF

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Publication number
CN106851520A
CN106851520A CN201611108994.4A CN201611108994A CN106851520A CN 106851520 A CN106851520 A CN 106851520A CN 201611108994 A CN201611108994 A CN 201611108994A CN 106851520 A CN106851520 A CN 106851520A
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CN
China
Prior art keywords
silica gel
vibrating diaphragm
pellosil
top dome
support
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Application number
CN201611108994.4A
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Chinese (zh)
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CN106851520B (en
Inventor
朱秉科
高开艳
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AAC Technologies Pte Ltd
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AAC Technologies Pte Ltd
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Priority to CN201611108994.4A priority Critical patent/CN106851520B/en
Priority to US15/415,981 priority patent/US10448182B2/en
Publication of CN106851520A publication Critical patent/CN106851520A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2231/00Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
    • H04R2231/001Moulding aspects of diaphragm or surround

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

The present invention discloses a kind of silica gel vibrating diaphragm forming method and the silica gel vibrating diaphragm prepared using the method.The silica gel vibrating diaphragm forming method comprises the following steps:Hot pressing die and top dome are provided, are put into the top dome as inserts in the hot pressing die;Liquid silica gel is provided, the liquid silica gel is injected into the hot pressing die along the edge of the top dome;The liquid silica gel is carried out into hot pressing and forms pellosil, the pellosil is connected with the top dome, shaping obtains silica gel membrane module;Injection machine is provided, the silica gel membrane module is put into the injection machine as inserts, injection molding support is carried out to the silica gel membrane module, the support of formation is connected to edge of the pellosil away from described top dome one end, and shaping obtains silica gel vibrating diaphragm.The silica gel vibrating diaphragm forming method that the present invention is provided, the silica gel vibrating diaphragm function admirable obtained after process is simple, and shaping.

Description

Silica gel vibrating diaphragm forming method and the silica gel vibrating diaphragm prepared using the method
【Technical field】
The present invention relates to technical field of electronic products, and in particular to a kind of silica gel vibrating diaphragm forming method and according to party's legal system Standby silica gel vibrating diaphragm.
【Background technology】
Loudspeaker is widely used in the day of people as a kind of microphone device for electronic equipments such as mobile phone, flat boards Often in life.The magnetic circuit system that loudspeaker includes vibrational system and drives the vibrational system to vibrate, wherein, vibrational system includes The voice coil loudspeaker voice coil of vibrating diaphragm and driving diaphragm oscillations, promotes surrounding air to vibrate and realizes electric signal turning to acoustical signal by diaphragm oscillations Change.Effect being put in order to improve sound, optimizing the performance of product, people are made that many at the aspect such as structure, material of vibrating diaphragm Attempt and explore, the application of silica gel vibrating diaphragm is exactly an illustration.
Silica gel material is more liquid in itself, and with Acclimation temperature scope wider, when speaker operation, vibrating diaphragm It is not easy to be deformed because of temperature change, the performance of loudspeaker can be better ensured that;In addition mechanical performance is stronger, and soft It is pliable also preferable, help to improve vibrating diaphragm performance, therefore silica gel vibrating diaphragm is absorbed in extensively.
In correlation technique, silica gel vibrating diaphragm includes the top dome, pellosil and the support that are connected, and its forming method is typically will be each Building block is pasted successively again after being molded respectively, because the pellosil is connected with the top dome and the support respectively, its Shapes and sizes are influenceed by the top dome, the shape of support, size, and technological requirement is higher, it is necessary to make special and accurately set Meter could meet the assembling requirement of each part, so that silica gel vibrating diaphragm keeps good performance;Therefore, for the product of different size Different silica gel film molding molds are needed to use, production cost is high.Meanwhile, each part is when pasting with the feelings for pasting out-of-flatness Condition, equally has influence on the performance of silica gel vibrating diaphragm.
Therefore, it is necessary to providing a kind of new silica gel vibrating diaphragm forming method solves above-mentioned technical problem.
【The content of the invention】
The purpose of the present invention is to overcome above-mentioned technical problem, there is provided a kind of silica gel vibrating diaphragm forming method of process is simple, into The silica gel vibrating diaphragm function admirable that type is obtained.
The technical scheme is that:
A kind of silica gel vibrating diaphragm forming method, comprises the following steps:
Step S1:Hot pressing die and top dome are provided, are put into the top dome as inserts in the hot pressing die;
Step S2:Liquid silica gel is provided, the liquid silica gel is injected into the hot pressing die along the edge of the top dome In;
Step S3:The liquid silica gel is carried out into hot pressing and forms pellosil, the pellosil is connected with the top dome, be molded Obtain silica gel membrane module;
Step S4:Injection machine is provided, the silica gel membrane module is put into the injection machine as inserts, to the silica gel Membrane module carries out injection molding support, and the support of formation is connected to edge of the pellosil away from described top dome one end, and shaping is obtained Silica gel vibrating diaphragm.
Preferably, the step S3 also includes for the silica gel membrane module being molded carrying out cooling treatment step.
A kind of silica gel vibrating diaphragm prepared according to above-mentioned silica gel vibrating diaphragm forming method, the silica gel vibrating diaphragm includes pellosil, The top dome and support being fixedly connected with the pellosil respectively, the pellosil include the first connection being connected with the top dome The ring portion of the second connecting portion and the connection first connecting portion and second connecting portion of portion and support connection.
Preferably, the pellosil includes the second of the first connecting portion being connected with the top dome and support connection The ring portion of connecting portion and the connection first connecting portion and second connecting portion.
Preferably, the top dome is connected one end abutting of the first connecting portion with the ring portion, and described first connects Socket part is covered in the edge of the top dome.
Preferably, the support includes the support body of structure in a ring and is formed at the annular groove of the support body upper surface, The second connecting portion includes the main part being connected with the ring portion and extends what is formed by the end bending of the main part Fixed part, the fixed part is embedded in the annular groove.
Preferably, briquetting of the support also including being connected with the support body and for covering the fixed part upper surface.
Compared with correlation technique, the silica gel vibrating diaphragm forming method that the present invention is provided has the advantages that:
First, the silica gel vibrating diaphragm forming method is put into hot pressing die by using top dome as inserts, then to the hot pressing Liquid silica gel is injected in mould and hot pressing into pellosil is carried out, and the pellosil is Nian Jie with the top dome;Then will be described Pellosil and the top dome are put into injection machine as entirety as inserts, carry out injection bonding, make the support to be formed with The pellosil connection, so as to realize that by support, pellosil and top dome bonding forming be silica gel vibrating diaphragm.In the moulding process, institute State pellosil is not influenceed by the support and top dome size, therefore can reduce the hot pressing die of the pellosil shaping by support The influence of appearance and size, so that the size of hot pressing die can be reduced or increase mold well number on the basis of original size, so that Improve production efficiency.
2nd, the silica gel mould forming method is first Nian Jie with the top dome by the pellosil using thermoforming way, Then by the way of injection moulding that support is Nian Jie with the pellosil again, shaping obtains silica gel vibrating diaphragm, and it can be prevented to be bonded The problem of face out-of-flatness, so as to further improve the performance of silica gel vibrating diaphragm.
【Brief description of the drawings】
Fig. 1 is the structural representation of the silica gel vibrating diaphragm obtained using silica gel vibrating diaphragm forming method of the invention shaping.
Fig. 2 is the structural representation of silica gel membrane module in silica gel vibrating diaphragm shown in Fig. 1.
【Specific embodiment】
Below in conjunction with drawings and embodiments, the invention will be further described.
Fig. 1 is referred to, is the structural representation of the silica gel vibrating diaphragm obtained using silica gel vibrating diaphragm forming method of the invention shaping Figure.The silica gel vibrating diaphragm 100 includes silica gel membrane module 1 and support 3, and the silica gel membrane module 1 and the support 3 are connected.
Fig. 2 is please referred to, is the structural representation of silica gel membrane module in silica gel vibrating diaphragm shown in Fig. 1.The pellosil group Part 1 includes top dome 11 and pellosil 12, and the pellosil 12 coats the top dome 11.
The pellosil 12 includes first connecting portion 121, second connecting portion 122 and connects the and of first connecting portion 121 The ring portion 123 of the second connecting portion 122.First connecting portion 121 coats top dome 11.
The second connecting portion 122 includes the main part 1221 being connected with the ring portion 123 and by the main part 1221 end bending extends the fixed part 1222 for being formed.
The support 3 is connected with the second connecting portion 122 of the silica gel membrane module 1, and makes the second connecting portion 122 parts are embedded in the support 3.
The support 3 include in a ring the support body 31 of structure, be formed at an annular groove 32 of the upper surface of the support body 31 And the briquetting 33 being connected with the support body 31.
The fixed part 1222 of the second connecting portion 122 is embedded in the annular groove 32, and the briquetting 33 faces The nearly annular groove 32 is set, and is attached at the upper surface of the fixed part 1222, for the fixed part 1222 to be exposed into institute The part covering of annular groove 32 is stated, makes the second connecting portion 122 more stable with the connection of the support 3 firmly.
The silica gel vibrating diaphragm forming method that the present invention is provided, comprises the following steps:
Step S1:Hot pressing die is provided, is put into the top dome 11 as inserts in the hot pressing die;
Step S2:Liquid silica gel is provided, the liquid silica gel is injected into the hot-die along the edge of the top dome 11 In tool;
Step S3:The liquid silica gel is carried out into hot pressing and forms the pellosil 12, the pellosil 12 and the top dome 11 connections, shaping obtains the silica gel membrane module 1;And by shaping after the silica gel membrane module 1 carry out cooling treatment;
Step S4:Injection machine is provided, the silica gel membrane module 1 is put into the injection machine as inserts, to the silicon Adhesive film assembly 1 carries out injection molding support, and shaping obtains the silica gel vibrating diaphragm 100.
Compared with correlation technique, the silica gel vibrating diaphragm forming method that the present invention is provided has the advantages that:
First, the silica gel vibrating diaphragm forming method is put into the hot pressing die by using the top dome 11 as inserts, then Liquid silica gel and hot pressing into pellosil 12 is carried out to being injected in the hot pressing die, and the pellosil 12 and the top dome 11 Bonding;Then using the pellosil 12 and the top dome 11 as entirety, and put into injection machine as inserts, be molded Bonding, makes the support 3 to be formed be connected with the pellosil 12, so as to realize support 3, pellosil 12 and the bonding forming of top dome 11 It is the silica gel vibrating diaphragm 100.In the moulding process, the pellosil 12 is not influenceed by the support 3 and the size of top dome 11, because This hot pressing die that can reduce the pellosil shaping is influenceed by contoured cradle size, so as to the size of hot pressing die can be reduced Or increase mold well number on the basis of original size, so that improve production efficiency.
2nd, the silica gel mould forming method is first glued the pellosil 12 with the top dome 11 using thermoforming way Connect, then by the way of injection moulding that the support 3 is be bonded with the pellosil 12 again, shaping obtains the silica gel vibrating diaphragm 100, the problem of its bonding plane out-of-flatness can be prevented, so as to further improve the performance of silica gel vibrating diaphragm.
Above-described is only embodiments of the present invention, it should be noted here that for one of ordinary skill in the art For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention Enclose.

Claims (5)

1. a kind of silica gel vibrating diaphragm forming method, it is characterised in that comprise the following steps:
Step S1:Hot pressing die and top dome are provided, are put into the top dome as inserts in the hot pressing die;
Step S2:Liquid silica gel is provided, the liquid silica gel is injected into the hot pressing die along the edge of the top dome;
Step S3:The liquid silica gel is carried out into hot pressing and forms pellosil, the pellosil is connected with the top dome, and shaping is obtained Silica gel membrane module;
Step S4:Injection machine is provided, the silica gel membrane module is put into the injection machine as inserts, to the pellosil group Part carries out injection molding support, and the support of formation is connected to edge of the pellosil away from described top dome one end, and shaping obtains silica gel Vibrating diaphragm.
2. silica gel vibrating diaphragm forming method according to claim 1, it is characterised in that the step S3 also includes being molded The silica gel membrane module carries out cooling treatment step.
3. the silica gel vibrating diaphragm that prepared by silica gel vibrating diaphragm forming method according to claim 1 and 2, it is characterised in that the silicon Glue vibrating diaphragm includes pellosil, the top dome being fixedly connected with the pellosil respectively and support, and the pellosil includes and the ball Push up the second connecting portion of first connecting portion and the support connection of connection and connect the first connecting portion and second connecting portion Ring portion.
4. silica gel vibrating diaphragm according to claim 3, it is characterised in that the support includes support body in a ring and is formed at The annular groove of the support body upper surface, the second connecting portion includes the main part being connected with the ring portion and by the master The end bending in body portion extends the fixed part for being formed, and the fixed part is embedded in the annular groove.
5. silica gel vibrating diaphragm according to claim 4, it is characterised in that the support also includes being connected and using with the support body In the briquetting for covering the fixed part upper surface.
CN201611108994.4A 2016-12-06 2016-12-06 Silica gel vibrating diaphragm forming method and silica gel vibrating diaphragm prepared by method Active CN106851520B (en)

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CN201611108994.4A CN106851520B (en) 2016-12-06 2016-12-06 Silica gel vibrating diaphragm forming method and silica gel vibrating diaphragm prepared by method
US15/415,981 US10448182B2 (en) 2016-12-06 2017-01-26 Antenna using conductor and electronic device therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611108994.4A CN106851520B (en) 2016-12-06 2016-12-06 Silica gel vibrating diaphragm forming method and silica gel vibrating diaphragm prepared by method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107277721A (en) * 2017-08-04 2017-10-20 青岛海信电器股份有限公司 A kind of TV boombox and television set
CN107936573A (en) * 2017-11-28 2018-04-20 苏州佳世达光电有限公司 Passive radiant panel and preparation method

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Publication number Priority date Publication date Assignee Title
CN101304622A (en) * 2007-05-09 2008-11-12 富准精密工业(深圳)有限公司 Audio film structure of electroacoustic apparatus and preparation method thereof
EP2387256A1 (en) * 2010-05-14 2011-11-16 DR. KURT MÜLLER GmbH & Co. KG Method for manufacturing a loudspeaker membrane
CN103079162A (en) * 2012-12-28 2013-05-01 宁波升亚电子有限公司 Integrated loudspeaker, sound box and manufacturing method
CN203933955U (en) * 2014-04-30 2014-11-05 惠阳东亚电子制品有限公司 The heat pressing and molding mold of loud speaker parts
CN204498359U (en) * 2015-03-21 2015-07-22 歌尔声学股份有限公司 Vibrating diaphragm assembly and be provided with the loud speaker of this vibrating diaphragm assembly
CN105848063A (en) * 2015-01-13 2016-08-10 楼氏电子(北京)有限公司 Loudspeaker diaphragm component, loudspeaker, and method for producing loudspeaker diaphragm component

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101304622A (en) * 2007-05-09 2008-11-12 富准精密工业(深圳)有限公司 Audio film structure of electroacoustic apparatus and preparation method thereof
EP2387256A1 (en) * 2010-05-14 2011-11-16 DR. KURT MÜLLER GmbH & Co. KG Method for manufacturing a loudspeaker membrane
CN103079162A (en) * 2012-12-28 2013-05-01 宁波升亚电子有限公司 Integrated loudspeaker, sound box and manufacturing method
CN203933955U (en) * 2014-04-30 2014-11-05 惠阳东亚电子制品有限公司 The heat pressing and molding mold of loud speaker parts
CN105848063A (en) * 2015-01-13 2016-08-10 楼氏电子(北京)有限公司 Loudspeaker diaphragm component, loudspeaker, and method for producing loudspeaker diaphragm component
CN204498359U (en) * 2015-03-21 2015-07-22 歌尔声学股份有限公司 Vibrating diaphragm assembly and be provided with the loud speaker of this vibrating diaphragm assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107277721A (en) * 2017-08-04 2017-10-20 青岛海信电器股份有限公司 A kind of TV boombox and television set
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CN107936573A (en) * 2017-11-28 2018-04-20 苏州佳世达光电有限公司 Passive radiant panel and preparation method
CN107936573B (en) * 2017-11-28 2020-10-16 苏州佳世达光电有限公司 Passive radiating plate and preparation method thereof

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