CN109803219A - Vibrating diaphragm molding die - Google Patents

Vibrating diaphragm molding die Download PDF

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Publication number
CN109803219A
CN109803219A CN201811618936.5A CN201811618936A CN109803219A CN 109803219 A CN109803219 A CN 109803219A CN 201811618936 A CN201811618936 A CN 201811618936A CN 109803219 A CN109803219 A CN 109803219A
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CN
China
Prior art keywords
straight flange
height
vibrating diaphragm
molding die
corner
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Granted
Application number
CN201811618936.5A
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Chinese (zh)
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CN109803219B (en
Inventor
梁平
尚烨
赵彬
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AAC Precision Manufacturing Technology Changzhou Co Ltd
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AAC Precision Manufacturing Technology Changzhou Co Ltd
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Priority to CN201811618936.5A priority Critical patent/CN109803219B/en
Publication of CN109803219A publication Critical patent/CN109803219A/en
Application granted granted Critical
Publication of CN109803219B publication Critical patent/CN109803219B/en
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Abstract

The present invention relates to a kind of vibrating diaphragm molding dies, it includes vibrating diaphragm molding die seat and mould head, the vibrating diaphragm molding die seat includes base and ring forming part, the ring forming part includes the corner in long straight flange portion, short straight flange portion and the connection long straight flange portion and the short straight flange portion, the corner is higher than the height of the long straight flange portion and/or the short straight flange portion relative to the base relative to the height of the base, and height is in gradually increase setting from the centre in the long straight flange portion and/or the short straight flange portion to the corner direction.Vibrating diaphragm molding die provided by the invention is by compensating the height of ring forming part, the height in corner is higher than to the height in the long straight flange portion in two sides and/or short straight flange portion, in this way, in the biggish diaphragm materials of molding shrinkage, this structure can compensate for corner size, so that entire vibrating diaphragm ring curved surface height is consistent, to will not lead to vibrating diaphragm pure tone, amplitude, the bad problem of performance etc..

Description

Vibrating diaphragm molding die
[technical field]
The present invention relates to a kind of electro-acoustic product processing mold technical field more particularly to a kind of vibrating diaphragm molding dies.
[background technique]
Vibrating diaphragm is the important component of Microspeaker, has vital work to the sound reproduction performance of Microspeaker With it determines loudspeaker by the conversion quality of electricity to sound.The molding of vibrating diaphragm is usually that diaphragm is placed on molding die seat and mould Have between head, is then formed by high-temperature pressurizing.
The shortcomings that conventional entire ring curved surface equivalent width of vibrating diaphragm forming die structure design, this structure, is as follows: needle To the molding biggish diaphragm materials of post-shrinkage ratio, it may appear that vibrating diaphragm ring corner height is lower than ring rest part, causes entire Vibrating diaphragm ring curved surface height is inconsistent, and for conventional products, this will lead to, and its pure tone is bad, and amplitude is asymmetric, performance difference etc. Problem.
Therefore, a kind of new vibrating diaphragm molding die solution above-mentioned technical problem must be provided by having in fact.
[summary of the invention]
The purpose of the present invention is to provide a kind of vibrating diaphragm molding dies, solve vibrating diaphragm molding die system in the related technology The inconsistent technical problem of the ring curved surface height of the vibrating diaphragm of work.
In order to solve the above-mentioned technical problems, the present invention provides a kind of vibrating diaphragm molding dies comprising vibrating diaphragm molding die Seat and the mould head cooperated with the vibrating diaphragm molding die seat, the vibrating diaphragm molding die seat include base and are set to the machine Ring forming part on seat, the ring forming part include two relatively spaced long straight flange portions, two be oppositely arranged it is short straight The corner in edge and the connection long straight flange portion and the short straight flange portion, the corner is higher than relative to the height of the base The height of the long straight flange portion and/or the short straight flange portion relative to the base, and highly from the long straight flange portion and/or institute The centre in short straight flange portion is stated to the corner direction in gradually increasing setting.
Preferably, the height in the long straight flange portion is among it to direction of both ends in gradually increasing setting, the short straight flange The height in portion is remained unchanged to direction of both ends among it certainly.
Preferably, the height in the long straight flange portion is remained unchanged to direction of both ends among it certainly, the height in the short straight flange portion Spending oneself is among it to gradually increase setting to direction of both ends.
Preferably, the height in the long straight flange portion is among it to direction of both ends in gradually increasing setting, the short straight flange The height in portion is among it to direction of both ends in gradually increasing setting.
The beneficial effects of the present invention are: vibrating diaphragm molding die provided by the invention is by doing the height of ring forming part The height in corner is higher than the height in the long straight flange portion in two sides and/or short straight flange portion, in this way, larger in molding shrinkage by compensation Diaphragm materials when, this structure can compensate for corner size, so that entire vibrating diaphragm ring curved surface height is consistent, thus not It will lead to vibrating diaphragm pure tone, amplitude, the bad problem of performance etc..
[Detailed description of the invention]
Fig. 1 is the stereogram exploded view of vibrating diaphragm molding die of the present invention;
Fig. 2 is the cross-sectional view of vibrating diaphragm molding die seat of the present invention.
[specific embodiment]
Present invention is further described in detail with embodiment with reference to the accompanying drawing.Following embodiment is for illustrating this hair It is bright, but be not intended to limit the scope of the invention.
It please refers to shown in Fig. 1 and 2, the present invention provides a kind of vibrating diaphragm molding dies 100 comprising vibrating diaphragm molding die seat 1 and the mould head 2 with the vibrating diaphragm molding die seat 1 cooperation, the vibrating diaphragm molding die seat 1 and the mould head 2 mold, it is high Temperature pressurization plastic material, forms vibrating diaphragm.
The vibrating diaphragm molding die seat 1 includes base 11 and the ring forming part 12 being set on the base 11, described Ring forming part 12 includes the short straight flange portion 122 that two relatively spaced long straight flange portions 121, two are oppositely arranged and connection institute State the corner 123 in long straight flange portion 121 and the short straight flange portion 122.It is circular by the ring forming part 12 on the base 11 Region is vibrating diaphragm top dome shaping area.
Since the biggish diaphragm materials of shrinking percentage are when forming vibrating diaphragm, it may appear that the corner height of vibrating diaphragm ring is lower than ring Rest part causes entire vibrating diaphragm ring curved surface height inconsistent, therefore, in order to improve the problem, the corner of the invention 123 are higher than the long straight flange portion 121 and/or the short straight flange portion 122 relative to the machine relative to the height H of the base 11 The height h of seat 11, and height is from the centre in the long straight flange portion 121 and/or the short straight flange portion 122 to 123 side of corner To in gradually increasing setting, that is to say, that the long straight flange portion 121 and/or short 122 intermediate altitude of straight flange portion and the angle The difference of 123 height of portion is compensation height.This structure can compensate for corner size, so that entire vibrating diaphragm ring curved surface height is kept Unanimously, so that vibrating diaphragm pure tone will not be caused, amplitude, the bad problem of performance etc..
In a specific embodiment of the invention, the height in the long straight flange portion 121 among it to direction of both ends be in by Cumulative high setting, the height in the short straight flange portion 122 is among it to direction of both ends in gradually increasing setting.Certainly, according to reality Border needs, can also the long straight flange portion 121 height among it to direction of both ends in gradually increasing setting, the short straight flange The height in portion 122 to direction of both ends from remaining unchanged among it, either, the height in the long straight flange portion 121 among it to Direction of both ends remains unchanged, and among it to direction of both ends in setting is gradually increased, this all may be used the height in the short straight flange portion 122 It selects according to actual needs, but this ought to be belonged within protection scope of the present invention.
The beneficial effects of the present invention are: vibrating diaphragm molding die provided by the invention is by doing the height of ring forming part The height in corner is higher than the height in the long straight flange portion in two sides and/or short straight flange portion, in this way, larger in molding shrinkage by compensation Diaphragm materials when, this structure can compensate for corner size, so that entire vibrating diaphragm ring curved surface height is consistent, thus not It will lead to vibrating diaphragm pure tone, amplitude, the bad problem of performance etc..
Above-described is only better embodiment of the invention, it should be noted here that for the ordinary skill of this field For personnel, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to guarantor of the invention Protect range.

Claims (4)

1. a kind of vibrating diaphragm molding die comprising vibrating diaphragm molding die seat and the mold with vibrating diaphragm molding die seat cooperation Head, which is characterized in that the vibrating diaphragm molding die seat includes base and the ring forming part that is set on the base, the folding Ring forming portion includes two relatively spaced long straight flange portions, the two short straight flange portions being oppositely arranged and the connection long straight flange portion With the corner in the short straight flange portion, the corner is higher than the long straight flange portion and/or described short relative to the height of the base Height of the straight flange portion relative to the base, and height is from the centre in the long straight flange portion and/or the short straight flange portion to described Corner direction is in gradually increase setting.
2. vibrating diaphragm molding die according to claim 1, which is characterized in that the height in the long straight flange portion among it to Direction of both ends is remained unchanged to direction of both ends among it certainly in setting, the height in the short straight flange portion is gradually increased.
3. vibrating diaphragm molding die according to claim 1, which is characterized in that the height in the long straight flange portion among it to Direction of both ends remains unchanged, and the height in the short straight flange portion is among it to direction of both ends in gradually increasing setting.
4. vibrating diaphragm molding die according to claim 1, which is characterized in that the height in the long straight flange portion among it to Direction of both ends is in gradually increasing setting, and the height in the short straight flange portion is to direction of both ends being among it to gradually increase setting.
CN201811618936.5A 2018-12-28 2018-12-28 Vibrating diaphragm forming die Active CN109803219B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811618936.5A CN109803219B (en) 2018-12-28 2018-12-28 Vibrating diaphragm forming die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811618936.5A CN109803219B (en) 2018-12-28 2018-12-28 Vibrating diaphragm forming die

Publications (2)

Publication Number Publication Date
CN109803219A true CN109803219A (en) 2019-05-24
CN109803219B CN109803219B (en) 2021-01-01

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021134247A1 (en) * 2019-12-30 2021-07-08 瑞声声学科技(深圳)有限公司 Diaphragm forming mold
WO2021134230A1 (en) * 2019-12-30 2021-07-08 瑞声声学科技(深圳)有限公司 Diaphragm forming mold
WO2021134227A1 (en) * 2019-12-30 2021-07-08 瑞声声学科技(深圳)有限公司 Diaphragm forming die
WO2021134251A1 (en) * 2019-12-30 2021-07-08 瑞声声学科技(深圳)有限公司 Diaphragm forming mold

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008085842A (en) * 2006-09-28 2008-04-10 Victor Co Of Japan Ltd Manufacturing method for electroacoustic transducer diaphragm
EP2387256A1 (en) * 2010-05-14 2011-11-16 DR. KURT MÜLLER GmbH & Co. KG Method for manufacturing a loudspeaker membrane
CN202571008U (en) * 2012-04-19 2012-12-05 汉得利(常州)电子有限公司 Mobile phone microphone diaphragm forming die
CN103905967A (en) * 2014-03-11 2014-07-02 美特科技(苏州)有限公司 Vibrating diaphragm manufacturing method and manufactured vibrating diaphragm
CN104168533A (en) * 2014-08-26 2014-11-26 歌尔声学股份有限公司 Vibrating diaphragm forming mold base and vibrating diaphragm forming mold including the mold base
CN204539455U (en) * 2015-03-24 2015-08-05 歌尔声学股份有限公司 The diaphragm of loudspeaker
CN104853304A (en) * 2015-04-23 2015-08-19 歌尔声学股份有限公司 Silicone vibrating diaphragm, receiver module and method for processing silicone vibrating diaphragm
CN105681998A (en) * 2016-01-12 2016-06-15 常州阿木奇声学科技有限公司 Vibration film production technology of moving iron unit
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008085842A (en) * 2006-09-28 2008-04-10 Victor Co Of Japan Ltd Manufacturing method for electroacoustic transducer diaphragm
EP2387256A1 (en) * 2010-05-14 2011-11-16 DR. KURT MÜLLER GmbH & Co. KG Method for manufacturing a loudspeaker membrane
CN202571008U (en) * 2012-04-19 2012-12-05 汉得利(常州)电子有限公司 Mobile phone microphone diaphragm forming die
CN103905967A (en) * 2014-03-11 2014-07-02 美特科技(苏州)有限公司 Vibrating diaphragm manufacturing method and manufactured vibrating diaphragm
CN104168533A (en) * 2014-08-26 2014-11-26 歌尔声学股份有限公司 Vibrating diaphragm forming mold base and vibrating diaphragm forming mold including the mold base
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
CN204539455U (en) * 2015-03-24 2015-08-05 歌尔声学股份有限公司 The diaphragm of loudspeaker
CN104853304A (en) * 2015-04-23 2015-08-19 歌尔声学股份有限公司 Silicone vibrating diaphragm, receiver module and method for processing silicone vibrating diaphragm
CN105681998A (en) * 2016-01-12 2016-06-15 常州阿木奇声学科技有限公司 Vibration film production technology of moving iron unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021134247A1 (en) * 2019-12-30 2021-07-08 瑞声声学科技(深圳)有限公司 Diaphragm forming mold
WO2021134230A1 (en) * 2019-12-30 2021-07-08 瑞声声学科技(深圳)有限公司 Diaphragm forming mold
WO2021134227A1 (en) * 2019-12-30 2021-07-08 瑞声声学科技(深圳)有限公司 Diaphragm forming die
WO2021134251A1 (en) * 2019-12-30 2021-07-08 瑞声声学科技(深圳)有限公司 Diaphragm forming mold

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