CN102412698B - Voice coil motor and assembly process thereof - Google Patents
Voice coil motor and assembly process thereof Download PDFInfo
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- CN102412698B CN102412698B CN201110413662.8A CN201110413662A CN102412698B CN 102412698 B CN102412698 B CN 102412698B CN 201110413662 A CN201110413662 A CN 201110413662A CN 102412698 B CN102412698 B CN 102412698B
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- elastic piece
- flat elastic
- lower flat
- voice coil
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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, espespecially a kind of voice coil motor flat elastic piece and packaging technology thereof for communication tool.
Background technology
In economic today developing rapidly with science and technology, along with the high speed development of mobile communication and the universalness of electronic equipment, people more and more wish that the electronic product being equipped with oneself can effectively reduce volume, but be limited to the development of dynamo-electric whole system, and micro electronmechanical (Microelectromechanical Systems, MEMS) not yet universalness of application, so industry is generally applied voice coil motor (Voice Coil Motor, VCM) for the actuating system on electronic product; Voice coil motor comprises the parts such as metal shell, upper cover, upper shell fragment, Upper gasket, magnet, camera lens carrier, coil, lower gasket, lower shell fragment, firm banking, terminal, voice coil motor is in the time being assembled into camera lens, need rotation to be screwed into downwards, move up and down at coil electricity rear lens belt carrier index glass head, thereby realize focusing; And when camera lens is selected into camera lens carrier, whole carrier can rotate, the torsion of spring can be relatively bigger than normal, easily makes upper and lower shell fragment distortion, causes higher fraction defective; Under the day by day microminiaturized 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, higher voice coil motor and the flat elastic piece thereof that is easy to voice coil motor assembling, can improves motor packaging qualification rate and raising motor operation stability of espespecially a kind of associativity.
For achieving the above object, the technical solution used in the present invention 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 integral type structure, lower flat elastic piece is 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 the frame with manhole, is extended with the protuberance that is uniformly distributed in frame 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 frame edge outside is extended with the protuberance that is uniformly distributed in frame, on protuberance, hole can be set.
Wherein, described elastic part one end is connected with inner side, housing edge, and one end is connected with outside, inside casing edge in addition.
Wherein, described lower flat elastic piece is divided into symmetrical left and right two parts along axis, and left and right two parts coordinate in conjunction with forming cooperation position junction and are formed with groove and the groove gap entirety at 0.05-0.1mm.
Wherein, described upper and lower flat elastic piece supports the use, and fixes by 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 by a glue or spot welding mode, and the left and right part of lower flat elastic piece is arranged on lower gasket simultaneously, fixes by a glue or spot welding mode.
The present invention adopts the beneficial effect after technique scheme to be embodied in: one, elastic part of the present invention is distributed in 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 in the time driving; Two, molding mode of the present invention adopts wet etching, can strengthen the flexible of shell fragment, makes shell fragment not yielding in the time of assembling; Three,, because housing and the inside casing of shell fragment directly link together by elastic part two ends, make the activity space of elastic part increase and in the time driving, be difficult for being blocked by small objects; Four, elastic part obtains in strict accordance with relevant Mechanics Calculation to the length of housing tie point, makes motor in the time being driven, obtain better stability, the life-span of improving shell fragment; Five, lower flat elastic piece adopts split-type design, coordinates in conjunction with rear formation groove simultaneously, makes the qualification rate that is easy to assembling and improves simultaneously completed knocked down products of motor.
Brief description of the drawings
Fig. 1 is voice coil motor assembly exploded view of the present invention.
Fig. 2 is the planar structure schematic diagram of upper flat plate shell fragment of the present invention.
Fig. 3 is the planar structure schematic diagram of flat elastic piece under the present invention.
Accompanying drawing mark explanation: 1-shell; 2-upper cover; 3-upper flat plate shell fragment; 4-Upper gasket; 5-magnet; 6-camera lens carrier; 7-coil; Flat elastic piece under 8-; 9-lower gasket; 10-lower cover; 11-housing; 12-inside casing; 13-elastic part; 14-protuberance; 15-manhole; 16-protuberance; 17-groove; 18-hole.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing:
As Figure 1-3, a kind of voice coil motor flat elastic piece, comprises the upper and lower flat elastic piece that global shape is identical with structure (3,8), and described upper flat plate shell fragment (3) is integral type structure, and lower flat elastic piece (8) is split-type structural; Described upper and lower flat elastic piece (3,8) supports the use, and fixes by 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 the 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 end is connected with inner side, housing (11) edge, one end is connected with outside, inside casing (12) edge in addition, use even numbers and be uniformly distributed with direct-connected mode and design, make stressed even raising stability.
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), according to the shape design of screens parts, is mainly played and clamping matching connection function; Described upper and lower flat elastic piece (3,8) housings (11) are square frame, frame edge outside is extended with the protuberance (14) that is uniformly distributed in frame, protuberance (14) is fixed connection point, while being a glue or electric welding, bear object, while making shell fragment assembling, fixed, hole (18) can be set on protuberance (14), be mainly used in coordinating then and fixing by a glue or spot welding with the axle class of component.
Described lower flat elastic piece (8) is divided into symmetrical left and right two parts along axis, left and right two parts coordinate in conjunction with forming cooperation position junction and are formed with groove (17) and groove (17) the gap entirety at 0.05-0.1mm, groove (17) can coordinate with the flange of its pre-mated parts, is then connected by the mode of a glue or spot welding.
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, and wherein said upper flat plate shell fragment (3) is connected with Upper gasket (4) by a glue or spot welding mode, it is upper that the left and right part of lower flat elastic piece (8) is arranged on lower gasket (9) simultaneously, fixes by a glue or spot welding mode.
Produce and to assemble mode of the present invention as follows: the shape that first designs upper and lower flat elastic piece (3,8) by the shape of the parts such as with the pad being connected, then produce shell fragment by the mode of wet etching, then with line cutting or other cutting modes, lower flat elastic piece (8) is formed to split-type structural along axis cutting; When assembling, close according to shell (1), upper cover (2), upper flat plate shell fragment (3), the assembling of Upper gasket (4) der group, utilize some glue or spot welding or other connected mode shapes in aggregates; Magnet (5), camera lens carrier (6), coil (7) order are installed and formed the second entirety; Lower flat elastic piece (8), lower gasket (9), lower cover (10) sequential combination are installed and coordinated, utilize some glue or spot welding or other connected modes to form the 3rd entirety, then three overall co-ordination combinations are installed, be connected and fixed the voice coil motor having formed by terminal, then whole motor is placed in baking box, the temperature setting of baking box is set to 80 ± 5 DEG C, and baking 40mins, can obtain finished product; The present invention is outside screwing in the distortion of shell fragment up and down that can prevent the rotation of lens movable carrier when camera lens and cause, and the space of occupying is in addition little, easy to assembly, saves man-hour and uses the advantages such as stable.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, the technical staff of the industry, under the inspiration of the technical program, can make some distortion and amendment, any amendment, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (2)
1. a voice coil motor, described voice coil motor overall structure comprises enclosing cover, flat elastic piece group, Upper gasket, lower gasket, magnet, coil, terminal and camera lens carrier, 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 wet etching process one-shot forming, it is characterized in that: wherein upper flat plate shell fragment is integral type structure, lower flat elastic piece is 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; Described upper and lower flat elastic piece supports the use, and fixes by hole point glue or spot welding on protuberance and protuberance; Described elastic part is the string waveform elasticity body with cords such as 4 or 6, be distributed between the inside casing and housing of flat elastic piece, elastic part one end is connected with inner side, housing edge, one end is connected with outside, inside casing edge in addition, use even numbers and be uniformly distributed with direct-connected mode and design, make stressed even raising stability; Described upper and lower flat elastic piece inside casing is the frame with manhole, is extended with the protuberance 16 that is uniformly distributed in frame in frame edge inside, and the design of protuberance 16, according to the shape design of screens parts, is mainly played and clamping matching connection function; Described upper and lower flat elastic piece housing is square frame, frame edge outside is extended with the protuberance 14 that is uniformly distributed in frame, protuberance 14 is fixed connection point, while being a glue or electric welding, bear object, while making shell fragment assembling, fixed, on protuberance 14, hole is set, is mainly used in coordinating then and fixing by a glue or spot welding with the axle class of component; Described lower flat elastic piece is divided into symmetrical left and right two parts along axis, left and right two parts coordinate in conjunction with forming, cooperation position junction is formed with groove and the groove gap entirety at 0.05-0.1mm, groove coordinates with the flange of its pre-mated parts, is then connected by the mode of a glue or spot welding.
2. for assembling a packaging technology for a kind of voice coil motor of claim 1, it is characterized in that: described packaging technology step is as follows:
First design the shape of upper and lower flat elastic piece by the shape with the gasket part being connected;
Then, produce shell fragment by the mode of wet etching, then with line cutting or other cutting modes, lower flat elastic piece is formed to split-type structural along axis cutting;
When assembling, close according to shell, upper cover, upper flat plate shell fragment, the assembling of Upper gasket der group, utilize some glue or spot welding or other connected mode shapes in aggregates; Magnet, camera lens carrier, coil order are installed and formed the second entirety; Lower flat elastic piece, lower gasket, lower cover sequential combination are installed and coordinated, utilize some glue or spot welding or other connected modes to form the 3rd entirety, then three overall co-ordination combinations are installed, be connected and fixed the voice coil motor having formed by terminal, then whole motor is placed in baking box, the temperature setting of baking box is set to 80 ± 5 DEG C, 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 CN102412698A (en) | 2012-04-11 |
| CN102412698B true CN102412698B (en) | 2014-07-30 |
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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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (8)
| 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 |
| 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 |
| 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 |
| CN107453559B (en) * | 2017-09-26 | 2024-05-17 | 深圳双十科技有限公司 | Motor assembling system |
| CN111193346A (en) * | 2018-11-15 | 2020-05-22 | 三赢科技（深圳）有限公司 | Voice coil motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068091B (en) * | 2007-06-13 | 2010-09-01 | 宜兴市贵鑫磁电高科技有限公司 | Ultrasmall type voice coil motor |
| CN101640467B (en) * | 2008-07-28 | 2012-05-30 | 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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN102412698A (en) | 2012-04-11 |
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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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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 |