CN101728920B - Voice coil motor assembling tool - Google Patents
Voice coil motor assembling tool Download PDFInfo
- Publication number
- CN101728920B CN101728920B CN2008103053471A CN200810305347A CN101728920B CN 101728920 B CN101728920 B CN 101728920B CN 2008103053471 A CN2008103053471 A CN 2008103053471A CN 200810305347 A CN200810305347 A CN 200810305347A CN 101728920 B CN101728920 B CN 101728920B
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- hole
- voice coil
- coil motor
- fixture
- slide block
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Abstract
The invention relates to a voice coil motor assembling tool comprising a pedestal, a slide block, a spring, a fixed piece and a magnetizer. The pedestal comprises a base and a fixed bracket, wherein the fixed bracket is arranged on the base, is used for bearing a voice coil motor and is provided with a first through hole; the slide block, the spring and the fixed piece are sleeved on the magnetizer in sequence; two ends of spring are respectively supported against the slide block and the fixed piece; the slide block contacts the voice coil motor born by the fixed bracket; the fixed piece is applied to pressure to change the extension of the spring in order to change the force applied to the voice coil motor; and one end of the magnetizer, which is far from the fixed piece, penetrates through the first through hole of the fixed piece to support against the pedestal.
Description
Technical field
The present invention relates to a kind of assembly fixture for voice coil motor.
Background technology
Voice coil motor is usually used in the Drive Structure of camera module as the focusing focusing, and it mainly comprises structures such as voice coil motor framework, magnet, coil, shell fragment.Magnet usually be attached at framework around provide a magnetic direction from the outside magnetic field of frame center, this magnetic field interacts with the electromagnetic field that the energising solenoid produces, and drives eyeglass or lens barrel moves.
After the voice coil motor assembled, generally need each assembly point glue is fixed.Carry out a glue fixedly the time at each assembly, need position each assembly earlier voice coil motor.Yet the elastic force of the shell fragment of voice coil motor is bigger, is difficult to fix with fixing fitted tube, if it is too little to give pressure, is difficult to shell fragment is installed on the opening of fixing fitted tube.If firmly excessive, then possibly cause shell fragment generation internal stress and make that the voice coil motor magnetic hysteresis is excessive, thereby influence the quality of voice coil motor.
Summary of the invention
In view of this, be necessary to provide a kind of assembly fixture for voice coil motor of adjustable in pressure joint when assembling voice coil motor.
A kind of assembly fixture for voice coil motor, it comprises a base, a slide block, a spring, a fixture and a magnetic conductor.This base comprises a pedestal and a fixed mount that is used to carry voice coil motor that is arranged at this pedestal.This fixed mount has one first through hole.This slide block, spring and fixture are sheathed on this magnetic conductor successively, and the two ends of spring are resisted against this slide block and this fixture respectively, and this slide block is used for contacting with the voice coil motor that is carried on this fixed mount.This fixture is exerted pressure with the stroke that changes this spring and then changed the acting force that slide block acts on voice coil motor.First through hole and this substrate that a end away from this fixture of this magnetic conductor passes this fixed mount lean.
Compared with prior art, the magnetic conductor of said assembly fixture for voice coil motor is fixed in this fixed mount through first through hole of fixed mount.This slide block, spring and fixture a side that is set in this magnetic conductor from bottom to top away from this fixed mount.Can drive this slide block through spring flexible moves and then this voice coil motor is applied acting force.Simultaneously, the size of the acting force that this voice coil motor is suffered directly depends on the elastic force size of this spring, and the elastic force size of spring depends on the downforce to this fixture.Therefore, can change the stroke of spring to the downforce of this fixture, and then change and be applied to the acting force on this voice coil motor,, be convenient to the carrying out of operations such as a glue so that each parts of voice coil motor are well located through suitable adjusting.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of the assembly fixture for voice coil motor that provides of the embodiment of the invention.
Fig. 2 is the diagrammatic cross-section of the assembly fixture for voice coil motor among Fig. 1.
Fig. 3 is the diagrammatic cross-section of the user mode of the assembly fixture for voice coil motor among Fig. 1.
Embodiment
To combine accompanying drawing that embodiment of the present invention is done further to specify below.
Referring to Fig. 1 and Fig. 2, the assembly fixture for voice coil motor 100 that the embodiment of the invention provides, it comprises 30, one springs 40 of 20, one slide blocks of 10, one magnetic conductors of a base and a fixture 50.
This base 10 comprises a pedestal 11 and a fixed mount 12.
This pedestal 11 has a first surface 110, has a groove 111 at this first surface 110, in this groove 111, is provided with magnetic part 13.Certainly, this magnetic part 13 also can be positioned at other positions of this substrate 11.
This fixed mount 12 is arranged on the first surface 110 of this pedestal 11, and it is used to carry voice coil motor.This fixed mount 12 has one first through hole 121.The xsect of this first through hole 121 is a quadrilateral, and this first through hole 121 is relative with this magnetic part 13.In the present embodiment, this first through hole 121 connects with this groove 111 relatively and with this groove 111.Preferably, the first surface 110 of the bearing of trend of this first through hole 121 and this pedestal 11 is perpendicular.This fixed mount 12 can be one-body molded with this pedestal 11.Certainly, this fixed mount 12 also can be fixed through other modes with this pedestal 11, for example riveted joint, bonding etc.
In the present embodiment, this magnetic conductor 20 is elongated, and its xsect is the quadrilateral that is complementary with this first through hole 121.And first through hole 121 that an end of this magnetic conductor 20 passes this pedestal 12 is adsorbed in the magnetic part 13 that is arranged in this groove 111, to fix this magnetic conductor 20 in this base 10.The sidewall of this magnetic conductor 20 is provided with a spacing ring 21, and this spacing ring 21 is one-body molded with this magnetic conductor 20, and certainly, this spacing ring 21 also can be fixed through other modes with this magnetic conductor 20, and for example riveted joint is bonding, is threaded etc.This magnetic conductor 20 adopts permeability magnetic material to process, for example the iron of magnetic conduction or Ferrite Material etc.
It is understandable that this first through hole 121 also can be other polygons with the xsect of magnetic conductor 20, perhaps circle etc. is as long as both shapes of this first through hole 121 and this magnetic conductor 20 are complementary.When this first through hole 121 is the polygon that is complementary with this magnetic conductor 20, can prevents this magnetic conductor 20 around its central shaft rotation, thereby guarantee the stability of operation.
This slide block 30 has one second through hole 31, and the inwall of this second through hole 31 has protruding 32.In the present embodiment, this convexity 32 is enclosed a quadrilateral through hole, and the size of the quadrilateral through hole of enclosing can closely cooperate with this magnetic conductor 20.This slide block 30 is set in the end away from this fixed mount 12 of this magnetic conductor 20 through this second through hole 31.The convexity 32 of these slide block 30 inwalls leans with the spacing ring 21 of these magnetic conductor 20 sidewalls, to prevent this slide block 30 landings.These slide block 30 general non-magnetic materials that adopt are processed.Preferably, this slide block 30 have an even surface smooth.
Certainly; The convexity 32 of these slide block 30 inwalls also can be enclosed other shapes, and is preferred, and its shape and size and this magnetic conductor 20 of enclosing through hole is complementary; So that this magnetic conductor 20 can be free to slide, and can prevent that this magnetic conductor 20 is around its central shaft rotation in this slide block 30.This spring 40 is set in the end away from this fixed mount 12 of this magnetic conductor 20, and the convexity 32 of an end of this spring 40 and this slide block 30 leans.Preferably, this spring 40 and this convexity 32 interfix through mode such as bonding.
This fixture 50 has 51, one of first surfaces and these first surface 51 opposing second surface 52, and a third through-hole 53 that runs through this first surface 51 and this second surface 52.This third through-hole 53 comprises an accepting hole 531 and a through hole 532 that connects with this accepting hole 531.This accepting hole 531 is arranged on the first surface 51 of this fixture 50 and in this fixture 50, extends.This through hole 532 is arranged on the second surface 52 of this fixture 50 and in this fixture 50, extends.The aperture of this accepting hole 531 is greater than the aperture of this through hole 532, and thus, this accepting hole 531 forms an interface 533 with the intersection of this through hole 532.
This fixture 50 is set in the end away from this magnetic part 13 of this magnetic conductor 20 through this third through-hole 533.This spring 40 is resisted against the interface 533 that the intersection of this accepting hole 531 and this through hole 532 forms away from an end of this slide block 30, and preferred, the end of this spring 40 is adhered to this interface 533.These fixture 50 general non-magnetic materials that adopt are processed.
Press down this fixture 50 and can change the stroke of this spring 40, move along this magnetic conductor 20, and then change the acting force on 30 pairs of these voice coil motors of this slide block thereby drive this slide block 30.
In the present embodiment, this magnetic conductor 20 can be free to slide in this third through-hole 53, and the end of this magnetic conductor 20 can pass the third through-hole 53 of this fixture 50.Preferably, the shape of this through hole 531, size are complementary with this magnetic conductor 20, so that this magnetic conductor 20 can be free to slide in this through hole 531, and can prevent that this magnetic conductor 20 from rotating around its central shaft.
Referring to Fig. 3, the user mode synoptic diagram of this assembly fixture for voice coil motor 100.When using this assembly fixture for voice coil motor 100 assembling voice coil motors, at first, the fixedly fitted tube 61 of assembled voice coil motor 60 is placed on fixed mount 12 ends of this base 10, and shell fragment 62 is placed on this fixedly opening part of fitted tube 61.This slide block 30, spring 40 and fixture 50 are set in successively the end away from this base 10 of this magnetic conductor 20.Because the sidewall of this magnetic conductor 20 is provided with spacing ring 21, therefore, this slide block 30 can not come off from this magnetic conductor 20.
Then, be adsorbed in this magnetic 13 after the end away from this fixture 50 of this magnetic conductor 20 passed this first through hole 121, so that this magnetic conductor 20 can well be located.
At last; According to actual needs; Press down this fixture 50 with stroke that changes this spring 40 and then the elastic force of regulating this spring 40 through the power that applies suitable size; And drive this slide block 30 through this elastic force and move along this magnetic conductor 20, the shell fragment 62 that makes this voice coil motor 60 under the effect of power with these fixing fitted tube 61 alignings and cooperating, with the carrying out of subsequent handlings such as guarantee point glue.This assembly fixture for voice coil motor 100 can effectively prevent the acting force that this shell fragment 62 is applied too small cause should be fixedly fitted tube 61 and this shell fragment 62 locate not goodly, perhaps exert oneself excessive and phenomenon such as these voice coil motor 60 magnetic hysteresis that cause are excessive.
In the present embodiment, this assembly fixture for voice coil motor 100 can accurately and fast position magnetic conductor 20 through the attraction of the 13 pairs of magnetic conductors 20 of magnetic in the groove 111 of this base 10.Being provided with of this spacing ring 21 can position this slide block 30, prevents that this slide block 30 from coming off from this magnetic conductor 20.Simultaneously, the size of the acting force that this voice coil motor 60 is suffered directly depends on the elastic force size of this spring 40, and the elastic force size of spring 40 depends on the downforce to this fixture 50.Therefore; Can change the acting force of the shell fragment 63 that is applied to this voice coil motor 60 through suitable adjusting to the downforce of this fixture 50; So that shell fragment 62 the effect of the suitable power of size down with these fixing fitted tube 61 alignings and cooperating; With the carrying out of subsequent handlings such as guarantee point glue, therefore can prevent effectively that the too small fixedly fitted tube 61 that causes of the acting force that this shell fragment 62 is applied and this shell fragment 62 from locating not goodly, perhaps exert oneself excessive and phenomenon such as these voice coil motor 60 magnetic hysteresis that cause are excessive.
It is understandable that this spacing ring 21 can preestablish according to the voice coil motor 60 of need assembling in the position of these magnetic conductor 20 sidewalls.
In addition, those skilled in the art also can do other variation in spirit of the present invention, for example change this base 10, magnetic conductor 20, slide block 30, and the shape of spring 40 and fixture 50 and size be not as long as it departs from technique effect of the present invention and all can.These all should be included within the present invention's scope required for protection according to the variation that the present invention's spirit is done.
Claims (11)
1. assembly fixture for voice coil motor; It comprises a base; This base comprises a pedestal and a fixed mount that is used to carry voice coil motor that is arranged at this pedestal; It is characterized in that this fixed mount has one first through hole, this assembly fixture for voice coil motor further comprises: a slide block, a spring, a fixture and a magnetic conductor; This slide block, spring and fixture are sheathed on this magnetic conductor successively, and the two ends of spring are resisted against this slide block and this fixture respectively, and this slide block is used for contacting with the voice coil motor that is carried on this fixed mount; This fixture is exerted pressure with the stroke that changes this spring and then changed the acting force that slide block acts on voice coil motor; First through hole and this substrate that a end away from this fixture of this magnetic conductor passes this fixed mount lean.
2. assembly fixture for voice coil motor as claimed in claim 1 is characterized in that, is provided with magnetic part in this substrate, and this magnetic part is relative with this first through hole.
3. assembly fixture for voice coil motor as claimed in claim 2 is characterized in that, this substrate has a first surface, and this first surface has relative with this first through hole and a connect groove, and this magnetic part is arranged in this groove.
4. assembly fixture for voice coil motor as claimed in claim 1 is characterized in that, this slide block has one second through hole, and the inwall of this second through hole has convexity, and an end of this spring is resisted against this convexity.
5. assembly fixture for voice coil motor as claimed in claim 1 is characterized in that, this magnetic conductor sidewall is provided with a spacing ring, and this spacing ring is between this slide block and this fixed mount, and this spacing ring is used to prevent that the slide block that is set in this magnetic conductor sidewall from coming off.
6. assembly fixture for voice coil motor as claimed in claim 1; It is characterized in that; This fixture has a first surface and one and this first surface opposing second surface; And this fixture has a third through-hole that runs through this first surface and this second surface, and this magnetic conductor can move freely also at this third through-hole can pass this third through-hole.
7. assembly fixture for voice coil motor as claimed in claim 6; It is characterized in that; This third through-hole comprises the accepting hole and the through hole that connects with this accepting hole that are arranged at this first surface and extend to this fixture, and the aperture of this accepting hole is greater than the aperture of this through hole, and the intersection of this accepting hole and this through hole forms an interface; One end of this spring is contained in this accepting hole, and leans with this interface.
8. like claim 1 or 7 described assembly fixture for voice coil motor, it is characterized in that the xsect of this magnetic conductor is a polygon.
9. assembly fixture for voice coil motor as claimed in claim 8; It is characterized in that; The shape that the convexity of this slide block inwall is enclosed, size are complementary with this magnetic conductor, so that this magnetic conductor can be free to slide in this slide block, and can prevent that this magnetic conductor from rotating around its central shaft.
10. assembly fixture for voice coil motor as claimed in claim 1 is characterized in that, the shape of this through hole, size are complementary with this magnetic conductor, so that this magnetic conductor can be free to slide in this through hole, and can prevent that this magnetic conductor from rotating around its central shaft.
11. assembly fixture for voice coil motor as claimed in claim 1 is characterized in that, this slide block spare adopts the non-magnetic material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103053471A CN101728920B (en) | 2008-10-31 | 2008-10-31 | Voice coil motor assembling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103053471A CN101728920B (en) | 2008-10-31 | 2008-10-31 | Voice coil motor assembling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101728920A CN101728920A (en) | 2010-06-09 |
| CN101728920B true CN101728920B (en) | 2012-05-30 |
Family
ID=42449318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103053471A Expired - Fee Related CN101728920B (en) | 2008-10-31 | 2008-10-31 | Voice coil motor assembling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101728920B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888992A (en) * | 2017-12-06 | 2019-06-14 | 宁波泓乾电子有限公司 | A kind of VCM coil grip device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009442A (en) * | 2006-01-26 | 2007-08-01 | 新科实业有限公司 | Symmetric sound coil motor combination and its assembly method and micro hard disk storage system |
-
2008
- 2008-10-31 CN CN2008103053471A patent/CN101728920B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009442A (en) * | 2006-01-26 | 2007-08-01 | 新科实业有限公司 | Symmetric sound coil motor combination and its assembly method and micro hard disk storage system |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2004-132705A 2004.04.30 |
| JP特开2008-35577A 2008.02.14 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101728920A (en) | 2010-06-09 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20151031 |
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| EXPY | Termination of patent right or utility model |