CN102412698A - Voice coil motor and assembly process thereof - Google Patents
Voice coil motor and assembly process thereof Download PDFInfo
- Publication number
- CN102412698A CN102412698A CN2011104136628A CN201110413662A CN102412698A CN 102412698 A CN102412698 A CN 102412698A CN 2011104136628 A CN2011104136628 A CN 2011104136628A CN 201110413662 A CN201110413662 A CN 201110413662A CN 102412698 A CN102412698 A CN 102412698A
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- elastic piece
- flat elastic
- voice coil
- coil motor
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Abstract
The invention relates to a voice coil motor, and in particular relates to a voice coil motor flat spring plate for communication tools and an assembly process thereof. The voice coil motor flat spring plate comprises upper and lower flat spring plates with the same whole shape and structure, wherein the upper flat spring plate is of a monolithic structure; the lower flat spring plate is of a separated structure; both the upper and lower flat spring plates comprise inner frames, outer frames and elastic parts; and the elastic parts are equichordal wavy elastic chords. The flat spring plate can prevent deformation of the upper and lower spring plates caused by rotation of the lens mobile carrier when the lens is screwed in and has the advantages of small occupied space, convenience in assembly, labor hour conservation, use stability and the like.
Description
Technical field
The present invention relates to a kind of voice coil motor, refer to a kind of voice coil motor flat elastic piece and packaging technology thereof that is used for communication tool especially.
Background technology
In economic today that develops rapidly with science and technology; Along with the high speed development of mobile communication and the universalness of electronic equipment, People more and more hopes that the electronic product that is equipped with oneself can effectively reduce volume, but is subject to the development of dynamo-electric whole system; And micro electronmechanical (Microelectromechanical Systems; MEMS) application universalness not as yet is so (Voice Coil Motor VCM) is actuating system on the electronic product to industry widespread usage voice coil motor; Voice coil motor comprises parts such as metal shell, loam cake, last shell fragment, Upper gasket, magnet, camera lens carrier, coil, lower gasket, following shell fragment, firm banking, terminal; Voice coil motor is when being assembled into camera lens; Need rotation to be screwed into downwards; Drive camera lens at coil electricity rear lens carrier and move up and down, thereby realize focusing; And when camera lens was selected into the camera lens carrier, whole carrier can rotate, and the torsion of spring can be bigger than normal relatively, makes shell fragment distortion up and down easily, causes higher fraction defective; Under microminiaturized day by day trend such as camera, mobile phone, obviously can not meet the demands.
Summary of the invention
For addressing the above problem, the present invention aims to provide a kind of voice coil motor shell fragment, refers to higher voice coil motor and the flat elastic piece thereof that is easy to the voice coil motor assembling, can improves motor packaging qualification rate and raising motor operation stability of a kind of associativity especially.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is: a kind of voice coil motor flat elastic piece, comprise the upper and lower flat elastic piece that global shape is identical with structure, and described upper flat plate shell fragment is an integral structure, following flat elastic piece is a split-type structural; Upper and lower flat elastic piece includes inside casing, housing and elastic part; Described elastic part is for waiting string waveform elasticity body with cord.
Wherein, described upper and lower flat elastic piece inside casing is extended with the protuberance that is uniformly distributed in frame for the frame of band manhole in frame edge inside.
Wherein, described elastic part is 4 or 6, is distributed between the inside casing and housing of flat elastic piece.
Wherein, described upper and lower flat elastic piece housing is square frame, and the frame edge outside is extended with the protuberance that is uniformly distributed in frame, on the protuberance hole can be set.
Wherein, described elastic part one end is connected with the housing edges, and an other end is connected with the outside, inside casing edge.
Wherein, described down flat elastic piece is divided into left and right sides two parts of symmetry along the axis, and left and right sides two parts cooperate and combine to form the cooperation position junction and be formed with groove and the groove gap integral body at 0.05-0.1mm.
Wherein, the supporting use of described upper and lower flat elastic piece is fixed through hole point glue or spot welding on protuberance and protuberance.
A kind of voice coil motor, by shell, upper and lower cover; Upper and lower pad, upper and lower flat elastic piece, magnet;, coil, camera lens carrier and terminal assemble; Wherein said upper flat plate shell fragment is connected with Upper gasket through some glue or spot welding mode, and part is installed on the lower gasket simultaneously about following flat elastic piece, fixes through a glue or spot welding mode.
The present invention adopts the beneficial effect after the technique scheme to be embodied in: one, elastic part of the present invention is distributed in the shell fragment frame by string waveform elasticity body with cords such as 4 or 6 and forms, and makes motor stronger stability of stressed even acquisition when driving; Two, molding mode of the present invention adopts wet etching, can strengthen the flexible of shell fragment, makes shell fragment not yielding when assembling; Three, because the housing and the inside casing of shell fragment directly links together through the elastic part two ends, make the activity space of elastic part increase and when driving, be difficult for being blocked by small objects; Four, elastic part gets in strict accordance with relevant Mechanics Calculation with the length of housing tie point, makes motor when being driven, obtain better stability, the life-span of improving shell fragment; Five, down flat elastic piece adopts split-type design, cooperates simultaneously to combine the back to form groove, and what make motor is easy to assemble the qualification rate that improves completed knocked down products simultaneously.
Description of drawings
Fig. 1 is a voice coil motor assembly exploded view of the present invention.
Fig. 2 is the planar structure sketch map of upper flat plate shell fragment of the present invention.
Fig. 3 is the planar structure sketch map of flat elastic piece under the present invention.
Accompanying drawing mark explanation: 1-shell; The 2-loam cake; 3-upper flat plate shell fragment; The 4-Upper gasket; 5-magnet; 6-camera lens carrier; The 7-coil; Flat elastic piece under the 8-; The 9-lower gasket; The 10-lower cover; The 11-housing; The 12-inside casing; The 13-elastic part; The 14-protuberance; The 15-manhole; The 16-protuberance; The 17-groove; The 18-hole.
Embodiment
Specify embodiment of the present invention below in conjunction with accompanying drawing:
Shown in Fig. 1-3, a kind of voice coil motor flat elastic piece comprises the global shape upper and lower flat elastic piece identical with structure (3,8), and described upper flat plate shell fragment (3) is an integral structure, and following flat elastic piece (8) is a split-type structural; The supporting use of described upper and lower flat elastic piece (3,8) is fixed through hole point glue or spot welding on protuberance and protuberance; Upper and lower flat elastic piece (3,8) includes inside casing (12), housing (11) and elastic part (13); Described elastic part (13) is string waveform elasticity body with cords such as 4 or 6; Be distributed between the inside casing (12) and housing (11) of flat elastic piece; Elastic part (13) one ends are connected with housing (11) edges; An other end is connected with the outside, inside casing (12) edge, uses even numbers and even distribution and direct-connected mode to design, and makes that stressed even raising is stable.
Described upper and lower flat elastic piece (3,8) inside casings (12) are the frame of band manhole (15); Be extended with the protuberance (16) that is uniformly distributed in frame in frame edge inside; The design of protuberance (16) is mainly played and the clamping matching interconnect function according to the shaped design of screens parts; Described upper and lower flat elastic piece (3,8) housings (11) are square frame; The frame edge outside is extended with the protuberance (14) that is uniformly distributed in frame; Protuberance (14) is a fixed connection point, bears object when being a glue or electric welding, is able to fix when making the shell fragment assembling; Hole (18) can be set on the protuberance (14), be mainly used in to cooperate then and fix through a glue or spot welding with the axle class of component.
Described flat elastic piece (8) down is divided into left and right sides two parts of symmetry along the axis; Left and right sides two parts cooperate and combine to form the cooperation position junction and be formed with groove (17) and groove (17) the gap integral body at 0.05-0.1mm; Groove (17) can cooperate with the flange of its pre-mated parts, and the mode through a glue or spot welding is connected then.
Described voice coil motor, by shell (1), upper and lower cover (2,10), upper and lower pad (4,9); Upper and lower flat elastic piece (3,8), magnet (5); Coil (7), camera lens carrier (6), coil (7) and terminal assemble; Wherein said upper flat plate shell fragment (3) is connected with Upper gasket (4) through some glue or spot welding mode, and part is installed on the lower gasket (9) simultaneously about following flat elastic piece (8), fixes through a glue or spot welding mode.
It is following to produce and assemble mode of the present invention: at first through with the shape of the upper and lower flat elastic piece of shaped design (3,8) of the parts such as pad that are connected; Mode through wet etching produces shell fragment then, and cutting forms split-type structural along the axis will to descend flat elastic piece (8) with line cutting or other cutting modes then; Close according to shell (1), loam cake (2), upper flat plate shell fragment (3), the assembling of Upper gasket (4) der group during assembling, utilize some glue or spot welding or other connected modes to form an integral body; Magnet (5), camera lens carrier (6), coil (7) order are installed formation second integral body; To descend flat elastic piece (8), lower gasket (9), lower cover (10) sequential combination to install cooperates; Utilize some glue or spot welding or other connected modes to form the 3rd integral body,, connect the fixing voice coil motor of accomplishing that forms through terminal then with three overall co-ordination aggregate erections; Then whole motor is placed in the baking box; The temperature of baking box is set to 80 ± 5 ℃, and baking 40mins can obtain finished product; The present invention can prevent the rotation of lens movable carrier when screwing in camera lens and outside the distortion of shell fragment up and down that causes, the space of occupying in addition is little, and is easy to assembly, practices thrift man-hour and uses advantages such as stable.
The above; Only being preferred embodiment of the present invention, is not that technical scope of the present invention is done any restriction, the technical staff of the industry; Under the inspiration of present technique scheme; Can make some distortion and revise, every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention above any modification, equivalent variations and modification that embodiment did.
Claims (9)
1. voice coil motor and packaging technology thereof; Described voice coil motor overall structure comprises enclosing cover, flat elastic piece group, Upper gasket, lower gasket, magnet, coil, terminal and camera lens carrier; It is characterized in that: described flat elastic piece group comprises upper and lower flat elastic piece; Described upper and lower flat elastic piece shape is identical and all adopt the wet etching process one-shot forming, and wherein the upper flat plate shell fragment is an integral structure, and following flat elastic piece is a split-type structural; Upper and lower flat elastic piece includes inside casing, housing and elastic part; Described elastic part is for waiting string waveform elasticity body with cord.
2. a kind of voice coil motor flat elastic piece according to claim 1 is characterized in that: described upper and lower flat elastic piece inside casing is extended with the protuberance that is uniformly distributed in frame for the frame of band manhole in frame edge inside.
3. a kind of voice coil motor flat elastic piece according to claim 1 is characterized in that: described elastic part is 4 or 6, is distributed between the inside casing and housing of flat elastic piece.
4. a kind of voice coil motor flat elastic piece according to claim 1 is characterized in that: described upper and lower flat elastic piece housing is square frame, and the frame edge outside is extended with the protuberance that is uniformly distributed in frame, on the protuberance hole can be set.
5. a kind of voice coil motor flat elastic piece according to claim 1 is characterized in that: described elastic part one end is connected with the housing edges, and an other end is connected with the outside, inside casing edge.
6. a kind of voice coil motor flat elastic piece according to claim 1; It is characterized in that: described down flat elastic piece is divided into left and right sides two parts of symmetry along the axis, and left and right sides two parts cooperate and combine to form the cooperation position junction and be formed with groove and the groove gap integral body at 0.05-0.1mm.
7. according to said each a kind of voice coil motor flat elastic piece of claim 1-6, it is characterized in that: the supporting use of described upper and lower flat elastic piece, fix through hole point glue or spot welding on protuberance and protuberance.
8. voice coil motor, by shell, upper and lower cover; Upper and lower pad, upper and lower flat elastic piece, magnet; Coil, camera lens carrier and terminal assemble, and it is characterized in that: described upper and lower flat elastic piece is the flat elastic piece described in the claim 1-7; Wherein said upper flat plate shell fragment is connected with Upper gasket through some glue or spot welding mode, and part is installed on the lower gasket simultaneously about following flat elastic piece, fixes through a glue or spot welding mode.
9. voice coil motor and packaging technology thereof; It is characterized in that: described packaging technology step is following: at first; Through with the shape of the upper and lower flat elastic piece of shaped design of the parts such as pad that are connected; Mode through wet etching produces shell fragment, and cutting forms split-type structural along the axis will to descend flat elastic piece with line cutting or other cutting modes;
Then, close according to shell, loam cake, upper flat plate shell fragment, the assembling of Upper gasket der group during assembling, utilize some glue or spot welding or other connected modes to form an integral body; Magnet, camera lens carrier, coil are installed formation second integral body in proper order; To descend flat elastic piece, lower gasket, lower cover sequential combination to install and cooperate, and utilize some glue or spot welding or other connected modes to form the 3rd integral body,, connect the fixing voice coil motor of accomplishing that forms through terminal then with three overall co-ordination aggregate erections;
At last, whole motor is placed in the baking box, the temperature of baking box is set to 80 ± 5 ℃, and baking 40mins can obtain finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110413662.8A CN102412698B (en) | 2011-12-10 | 2011-12-10 | Voice coil motor and assembly process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110413662.8A CN102412698B (en) | 2011-12-10 | 2011-12-10 | Voice coil motor and assembly process thereof |
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| CN102412698A true CN102412698A (en) | 2012-04-11 |
| CN102412698B CN102412698B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110413662.8A Active CN102412698B (en) | 2011-12-10 | 2011-12-10 | Voice coil motor and assembly process thereof |
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| CN (1) | CN102412698B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946182A (en) * | 2012-11-20 | 2013-02-27 | 辽宁中蓝电子科技有限公司 | Elastic sheet for voice coil motor |
| WO2013104162A1 (en) * | 2012-01-09 | 2013-07-18 | 金龙机电股份有限公司 | Lens actuator apparatus |
| CN104174983A (en) * | 2014-05-09 | 2014-12-03 | 广州市爱司凯科技股份有限公司 | Voice coil motor lens positioning method |
| CN104308350A (en) * | 2014-09-26 | 2015-01-28 | 昆山威赛机电科技有限公司 | Assembly method of rotor in voice coil motor |
| CN104849832A (en) * | 2015-05-19 | 2015-08-19 | 苏州久易光电科技有限公司 | High-stability voice coil motor used for lens driving |
| CN106972707A (en) * | 2017-04-07 | 2017-07-21 | 深圳科诺威智能科技有限公司 | A kind of method and system for automating cross cutting and shell fragment on assembling voice coil motor |
| CN107453559A (en) * | 2017-09-26 | 2017-12-08 | 深圳双十科技有限公司 | A kind of motor package system |
| CN109728686A (en) * | 2018-11-26 | 2019-05-07 | 深圳市丘钛微电子科技有限公司 | Voice coil motor and its manufacturing method |
| TWI714920B (en) * | 2018-11-15 | 2021-01-01 | 大陸商三贏科技（深圳）有限公司 | Voice coil motor |
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| CN101068091A (en) * | 2007-06-13 | 2007-11-07 | 宜兴市贵鑫磁电高科技有限公司 | Ultrasmall type voice coil motor |
| CN101640467A (en) * | 2008-07-28 | 2010-02-03 | 鸿富锦精密工业（深圳）有限公司 | Shrapnel and voice coil motor |
| CN102043225A (en) * | 2009-10-13 | 2011-05-04 | 大立光电股份有限公司 | Photography module |
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2011
- 2011-12-10 CN CN201110413662.8A patent/CN102412698B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101068091A (en) * | 2007-06-13 | 2007-11-07 | 宜兴市贵鑫磁电高科技有限公司 | Ultrasmall type voice coil motor |
| CN101640467A (en) * | 2008-07-28 | 2010-02-03 | 鸿富锦精密工业（深圳）有限公司 | Shrapnel and voice coil motor |
| CN102043225A (en) * | 2009-10-13 | 2011-05-04 | 大立光电股份有限公司 | Photography module |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013104162A1 (en) * | 2012-01-09 | 2013-07-18 | 金龙机电股份有限公司 | Lens actuator apparatus |
| CN102946182A (en) * | 2012-11-20 | 2013-02-27 | 辽宁中蓝电子科技有限公司 | Elastic sheet for voice coil motor |
| CN102946182B (en) * | 2012-11-20 | 2016-08-03 | 辽宁中蓝电子科技有限公司 | A kind of elastic sheet for voice coil motor |
| CN104174983A (en) * | 2014-05-09 | 2014-12-03 | 广州市爱司凯科技股份有限公司 | Voice coil motor lens positioning method |
| CN104308350A (en) * | 2014-09-26 | 2015-01-28 | 昆山威赛机电科技有限公司 | Assembly method of rotor in voice coil motor |
| CN104849832A (en) * | 2015-05-19 | 2015-08-19 | 苏州久易光电科技有限公司 | High-stability voice coil motor used for lens driving |
| CN104849832B (en) * | 2015-05-19 | 2017-06-09 | 苏州久易光电科技有限公司 | A kind of high stability voice coil motor driven for lens |
| CN106972707A (en) * | 2017-04-07 | 2017-07-21 | 深圳科诺威智能科技有限公司 | A kind of method and system for automating cross cutting and shell fragment on assembling voice coil motor |
| CN107453559A (en) * | 2017-09-26 | 2017-12-08 | 深圳双十科技有限公司 | A kind of motor package system |
| CN107453559B (en) * | 2017-09-26 | 2024-05-17 | 深圳双十科技有限公司 | Motor assembling system |
| TWI714920B (en) * | 2018-11-15 | 2021-01-01 | 大陸商三贏科技（深圳）有限公司 | Voice coil motor |
| CN109728686A (en) * | 2018-11-26 | 2019-05-07 | 深圳市丘钛微电子科技有限公司 | Voice coil motor and its manufacturing method |
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| Publication number | Publication date |
|---|---|
| CN102412698B (en) | 2014-07-30 |
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Address after: 523000 Guangdong province Dongguan City Shipai town of Fulong Industrial Zone Second Road two Patentee after: Dongguan Xuye Photoelectric Technology Co.,Ltd. Address before: 523000 Guangdong Province, Dongguan City Shipai town Fulong second industrial zone seven road Patentee before: Dongguan Xuye Photoelectric Technology Co.,Ltd. |
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Owner name: GUANGDONG XUYE OPTOELECTRONICS TECHNOLOGY CO., LTD Free format text: FORMER NAME: DONGGUAN XUYE OPTOELECTRONIC TECHNOLOGY CO., LTD. |
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Address after: 523000 Guangdong province Dongguan City Shipai town of Fulong Industrial Zone Second Road two Patentee after: Guangdong Xu Ye Optoelectronics Technology incorporated company Address before: 523000 Guangdong Province, Dongguan City Shipai town Fulong second industrial zone seven road Patentee before: Dongguan Xuye Photoelectric Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180920 Address after: 554300 A, building 6, two phase of electricity supplier park, Tongren high tech Industrial Development Zone, Guizhou Patentee after: Guizhou Xu Ye photoelectric Co., Ltd. Address before: 523000 two road, Fulong second industrial zone, Shek Pai Town, Dongguan, Guangdong. Patentee before: Guangdong Xu Ye Optoelectronics Technology incorporated company |
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| TR01 | Transfer of patent right |