CN220584358U - Voice coil motor gesture potential difference performance test device - Google Patents
Voice coil motor gesture potential difference performance test device Download PDFInfo
- Publication number
- CN220584358U CN220584358U CN202321263343.8U CN202321263343U CN220584358U CN 220584358 U CN220584358 U CN 220584358U CN 202321263343 U CN202321263343 U CN 202321263343U CN 220584358 U CN220584358 U CN 220584358U
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- deflection
- voice coil
- coil motor
- posture
- seat
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- 238000011056 performance test Methods 0.000 title claims description 5
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000036544 posture Effects 0.000 description 26
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Abstract
The utility model discloses a voice coil motor posture difference performance testing device which comprises a base and a support frame, wherein the support frame is fixedly arranged on the base; the support frame is provided with a posture adjusting seat which rotates along the rotating shaft; the attitude adjusting seat is provided with a voice coil motor mounting seat and a laser angle adjusting unit. According to the voice coil Ma Dazi potential difference performance testing device, the rotation angle of the gesture adjusting seat is adjusted to provide a testing gesture for the voice coil motor; the laser angle is flexibly adjusted through the laser angle adjusting unit and the differential platform, and the origin of the laser head is positioned, so that the gesture potential difference characteristic of the VCM motor is tested in advance, and the bad VCM motor single product is eliminated from flowing into the mass production process of the product.
Description
Technical Field
The utility model relates to the field of micro motor manufacturing, in particular to a voice coil motor posture difference performance testing device.
Background
When testing after the camera module is manufactured, according to the shooting angle, the phenomenon of poor action of the VCM motor can occur, so that the tests of focusing, resolving power, near focus, far focus and the like of the camera module are all affected, and the main reason is that the characteristics of the individual gesture and potential difference of the VCM motor are poor, so that the characteristics of the gesture and potential difference of the VCM motor are required to be tested in advance, and poor single products of the VCM motor are eliminated from flowing into the mass production process of products. However, no device special for testing the poor performance of the pose of the VCM motor exists in the prior art, and the different pose potential differences of the VCM motor are simply, conveniently and accurately tested.
Disclosure of Invention
The utility model aims to provide a voice coil motor posture difference performance testing device which is novel and unique in structure, convenient to use and capable of testing the potential difference characteristics of a VCM Ma Dazi; the specific technical scheme is as follows:
the device for testing the poor posture performance of the voice coil motor comprises a base and a support frame, wherein the support frame is fixedly arranged on the base; the support frame is provided with a posture adjusting seat which rotates along the rotating shaft; the attitude adjusting seat is provided with a voice coil motor mounting seat and a laser angle adjusting unit.
Further, a plurality of positioning holes for fixing the posture of the posture adjusting seat are formed in the supporting frame, and a rotating handle and a positioning pin matched with the positioning holes are arranged on a rotating shaft of the posture adjusting seat.
Further, the laser angle adjusting unit is composed of a laser and a deflection mechanism.
Further, the deflection mechanism is composed of a front-back deflection mechanism and a left-right deflection mechanism.
Further, the front-rear deflection mechanism comprises a fixed plate and a deflection strip; the deflection strip is hinged with one end of the fixed plate; the other end of the fixed plate is provided with an arc-shaped guide groove taking the hinge shaft as the center of a circle, and the deflection strip is provided with a fixed screw for locking the position of the deflection strip.
Further, the left-right deflection mechanism comprises a fixed plate and a deflection plate, and the deflection plate is hinged with one end of the fixed plate; the other end of the fixed plate is provided with an arc-shaped guide groove taking the hinge shaft as the center of a circle, and the deflection plate is provided with a fixed screw for locking the position of the deflection plate.
Further, the voice coil motor mounting seat is fixedly arranged on the differential platform.
Further, the included angles between the fixed posture position of the posture adjusting seat and the horizontal direction are 0 degree, 45 degrees and 90 degrees respectively.
According to the voice coil Ma Dazi potential difference performance testing device, the rotation angle of the gesture adjusting seat is adjusted to provide a testing gesture for the voice coil motor; and the laser angle and the X/Y/Z axis coordinates of the voice coil motor are adjusted through the laser angle adjusting unit and the differential platform to obtain an initial pose so as to test the pose potential difference characteristic of the VCM motor in advance and eliminate the bad VCM motor single product from flowing into the mass production process of the product.
Drawings
FIG. 1 is a schematic diagram of a voice coil motor poor posture performance testing apparatus according to the present utility model, which is shown in FIG. 1;
FIG. 2 is a schematic diagram of a device 2 for testing poor posture performance of a voice coil motor according to the present utility model;
fig. 3 is an exploded view of fig. 1.
In the figure: 1. a base; 2. A support frame; 3. a differential platform; 4. a laser; 5. a laser beam; 6. a voice coil motor; 7. a left-right deflection mechanism; 701. left and right deflection positioning plates; 702. deflecting the locating hole left and right; 703. a left-right deflection limiter; 704. a laser mount; 8. a posture adjusting seat; 801. a key slot; 802. a rotation shaft; 803. a rotating handle; 804. a positioning pin; 9. a front-rear deflection mechanism; 901. a front-back deflection positioning seat bottom plate; 902. a front-back deflection positioning seat side plate; 903. the adjustment bar is deflected back and forth.
Detailed Description
The present utility model will be described more fully with reference to the following examples. This utility model may be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and 2, the voice coil motor posture difference performance testing device in the present embodiment includes a base 1 and a support frame 2, where the support frame 2 is fixedly disposed on the base 1; the base 1 is provided with a plurality of screw mounting holes; the base 1 is conveniently fixed on the working table surface. The support frame 2 is provided with a posture adjusting seat 8; the posture adjustment seat can rotate along the rotation axis. The voice coil motor mount to which the voice coil motor 6 is mounted is fixed to the posture adjustment base to rotate with the posture adjustment base. The posture adjustment seat is also provided with a laser angle adjustment unit for adjusting the laser angle.
As shown in fig. 3, the support frame 2 is provided with a plurality of positioning holes for fixing the posture of the posture adjustment seat, and a rotation shaft 802 of the posture adjustment seat is provided with a rotation handle 803 and a positioning pin 804 adapted to the positioning holes.
The front end of the rotating shaft 802 is provided with a key groove 801; is fixedly connected with the back plate of the front-back deflection mechanism 9 through a key or a screw.
The laser angle adjusting unit consists of a laser 4 and a deflection mechanism. The deflection mechanism is used for driving the laser 4 to enable the laser rays 5 to conduct angle adjustment relative to the central axis of the lens hole of the voice coil motor 6.
The deflection mechanism consists of a front deflection mechanism 9, a rear deflection mechanism 9 and a left deflection mechanism 7; deflection is carried out in the front-back direction and the left-right direction in an orthogonal mode, so that the deflection angle is more comprehensive, and the deflection structure is simpler. The voice coil motor mount is provided on the front-rear yaw positioning seat bottom plate 901.
The front-back deflection mechanism comprises a fixed plate and a deflection strip. The front and rear deflection positioning seat side plates 902 are used as fixing plates; the front-rear deflection adjustment bar 903 serves as a deflection bar. The deflection strip is hinged with the upper end of the fixed plate; the lower end of the fixed plate is provided with an arc-shaped guide groove taking the hinge shaft as the center of a circle, and the deflection strip is provided with a fixed screw for locking the position of the deflection strip. The front-rear deflection adjusting bars 903 are fixed to the left and right ends of the left and right deflection positioning plates 701 by means of screws or the like; driving the left and right deflection positioning plates 701 to deflect back and forth. The hinged end can also be arranged at the lower end; an arc-shaped guide groove is arranged at the upper end.
The left-right deflection mechanism comprises a fixed plate and a deflection plate, a laser seat 704 is used as the deflection plate, and a left-right deflection positioning plate 701 is used as the fixed plate; the deflection plate is hinged with one end of the fixed plate; the other end of the fixed plate is provided with an arc-shaped left and right deflection positioning hole 702 taking the hinge shaft as the center of a circle, and the deflection plate is provided with a fixed screw for locking the position of the deflection plate.
The voice coil motor mounting seat can be fixedly arranged on the differential platform 3; the three-degree-of-freedom fine adjustment of the position of the voice coil motor 6 relative to the laser 4 is performed by three knobs of the differential stage 3 so as to precisely perform the X/Y/Z axis coordinate adjustment. The differential stage 3 is of the prior art.
The positioning holes can be arranged at the positions with the included angles of 0 degree, 45 degrees and 90 degrees respectively; the included angles between the fixed posture position of the posture adjusting seat and the horizontal direction are respectively 0 degree, 45 degrees and 90 degrees; only the working states of the voice coil motor under three postures are detected, and the posture testing process is simplified.
In operation, the fixing screw is loosened, the fixing screw on the front/rear deflection adjusting bar 903 for deflecting the laser 4 forward/backward and the rear/front end of the arc-shaped guide groove of the front/rear deflection positioning seat side plate are moved, the fixing screw on the left/right deflection laser seat 704 for deflecting the laser 4 left/right and the left/right deflection limiter 703 on the left/right deflection positioning plate 701 are moved, and the laser angle is adjusted. And when the knob for adjusting the differential platform 3 is matched for X/Y/Z axis coordinate adjustment, after the initial pose is obtained, the fixing screw is screwed. Further, the voice coil motor was tested for difference in posture at different angles, namely: the gesture adjusting seats are respectively fixed at the positions (such as 0 degree, 45 degrees and 90 degrees) with the included angles of 0-90 degrees in the horizontal direction through the positioning pins 804, and stroke offset of the voice coil motor under different gestures is tested through laser.
The above examples are for illustration of the utility model only and, in addition, there are many different embodiments which will be apparent to those skilled in the art after having the insight into the present utility model and are not explicitly recited herein.
Claims (6)
1. The device for testing the poor posture performance of the voice coil motor comprises a base and a support frame, wherein the support frame is fixedly arranged on the base; the device is characterized in that the support frame is provided with a posture adjusting seat which rotates along a rotating shaft; the attitude adjusting seat is provided with a voice coil motor mounting seat and a laser angle adjusting unit; the laser angle adjusting unit consists of a laser and a deflection mechanism; the voice coil motor mounting seat is fixedly arranged on the differential platform.
2. The voice coil motor posture difference performance testing device according to claim 1, wherein a plurality of positioning holes for fixing the posture of the posture adjustment seat are formed in the supporting frame, and a rotating handle and a positioning pin matched with the positioning holes are arranged on a rotating shaft of the posture adjustment seat.
3. The voice coil motor posture difference performance test apparatus of claim 1, wherein said deflection mechanism is composed of a front-rear deflection mechanism and a left-right deflection mechanism.
4. The voice coil motor poor posture performance testing apparatus of claim 3, wherein said front-rear deflection mechanism includes a fixed plate and a deflection bar; the deflection strip is hinged with one end of the fixed plate; the other end of the fixed plate is provided with an arc-shaped guide groove taking the hinge shaft as the center of a circle, and the deflection strip is provided with a fixed screw for locking the position of the deflection strip.
5. The voice coil motor attitude difference performance test apparatus according to claim 3, wherein said left and right deflection mechanisms include a fixed plate and a deflection plate, said deflection plate being hinged to one end of said fixed plate; the other end of the fixed plate is provided with an arc-shaped guide groove taking the hinge shaft as the center of a circle, and the deflection plate is provided with a fixed screw for locking the position of the deflection plate.
6. The voice coil motor posture difference performance test apparatus of claim 1, wherein the posture position of the posture adjustment base is fixed at an included angle of 0 degrees, 45 degrees and 90 degrees with respect to the horizontal direction, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321263343.8U CN220584358U (en) | 2023-05-23 | 2023-05-23 | Voice coil motor gesture potential difference performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321263343.8U CN220584358U (en) | 2023-05-23 | 2023-05-23 | Voice coil motor gesture potential difference performance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220584358U true CN220584358U (en) | 2024-03-12 |
Family
ID=90108536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321263343.8U Active CN220584358U (en) | 2023-05-23 | 2023-05-23 | Voice coil motor gesture potential difference performance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220584358U (en) |
-
2023
- 2023-05-23 CN CN202321263343.8U patent/CN220584358U/en active Active
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