CN101424575B - Torsion-testing apparatus and torsion-testing method - Google Patents
Torsion-testing apparatus and torsion-testing method Download PDFInfo
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- CN101424575B CN101424575B CN2007102023313A CN200710202331A CN101424575B CN 101424575 B CN101424575 B CN 101424575B CN 2007102023313 A CN2007102023313 A CN 2007102023313A CN 200710202331 A CN200710202331 A CN 200710202331A CN 101424575 B CN101424575 B CN 101424575B
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- lens barrel
- torsion
- microscope base
- main part
- moment
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Abstract
The invention provides a torque testing device which is used for testing the torque between a lens barrel and a lens base which are matched with each other. The torque testing device comprises a torque tester, a tray and a worktable, wherein the torque tester comprises a main body part, a holding part arranged at one end of the main body part, and a display part connected with the main body part;the holding part is used for holding the lens barrel and driving the lens barrel to be screwed into the lens base, the main body part is used for detecting and calculating the torque of the lens barrel and the lens base which are matched with each other and for transmitting the torque value to the display part, and the display part is used for displaying the numerical value calculated by the mainbody part; the tray is arranged on the surface of the worktable, the surface of the worktable is provided with a plurality of receiving grooves which are used for receiving and fixing a plurality of lens bases, and the torque tester is arranged above the tray. The invention also relates to a method for testing the torque by using the torque testing device.
Description
Technical field
The present invention relates to a kind of torsion-testing apparatus and torsion-testing method, relate in particular to the torsion-testing apparatus and the torsion-testing method of the moment of torsion that lens barrel cooperates with microscope base in a kind of testing lens module.
Background technology
Development along with camera technique, the camera lens module is widely used in the camera head of various uses and (sees also Capturing images with digital still cameras, Micro, IEEE Volume:18, issue:6, Nov.-Dec.1998, Page (s): 14-19), the camera lens module combines with various portable electron devices such as mobile phone, computing machine etc., more obtains numerous consumers' favor.
The camera lens module generally comprises eyeglass, lens barrel, microscope base, optical filter and is used for the at interval distance member of eyeglass and optical filter, as interval body etc.The lateral surface of described lens barrel is provided with external thread, and described microscope base definition has an accepting hole, and the madial wall of this accepting hole is provided with internal thread.In camera lens module assembling process, usually need assemblies such as described eyeglass, optical filter and interval bodies again lens barrel and microscope base to be screwed mutually to be assembled into complete camera lens module according to the definite sequence lens barrel of packing into.
Before in lens barrel screws in microscope base, whether the moment of torsion that needs employing one torque tester test lens barrel to cooperate with microscope base usually is up to specification, this torsion-testing method generally comprises following steps: microscope base is positioned over a microscope base holds in the tool, with the end with focusing ring of this lens barrel of end fixing of this torque tester; The other end of this lens barrel is screwed in this microscope base, in the screw-in process, observe the registration of this torque tester, note the moment of torsion maximal value that this lens barrel cooperates with this microscope base.
Yet when reality was tested, microscope base holds tool only can hold a microscope base, after the test of microscope base finishes, another microscope base is positioned over this microscope base holds in the tool and test, and testing efficiency is lower.
Summary of the invention
In view of this, be necessary to provide higher torsion-testing apparatus of a kind of testing efficiency and torsion-testing method.
A kind of torsion-testing apparatus is used to test the lens barrel that cooperatively interacts and the moment of torsion between the microscope base, and it comprises a torque tester, a pallet and a worktable.This torque tester comprises a main part, is arranged at the clamping part of this main part one end and the display part that is connected with this main part.This clamping part is used for this lens barrel of clamping and drives this lens barrel screwing in this microscope base, this main part is used for the moment of torsion that this lens barrel of detection computations cooperates with microscope base and this torque value is sent to display part, the numerical value of this moment of torsion that this display part is used to show that this main part calculates.This pallet is arranged at the worktable surface, and this tray surface has a plurality of accepting grooves, and these a plurality of accepting grooves are used to accommodate and fixing a plurality of these microscope bases, and this torque tester is arranged at the top of this pallet.
A kind of lens barrel that above-mentioned torsion-testing cooperatively interacts and method of the moment of torsion between the microscope base of adopting, it may further comprise the steps: a plurality of accepting grooves of a plurality of microscope bases being put into this pallet respectively; Make the clamping part clamping lens barrel of this torque tester, and this lens barrel is moved to the top of one of them microscope base; Rotate this main part and clamping part, this lens barrel is screwed in this microscope base under the drive of clamping part, screw in the process of this microscope base, observe the reading of this display part, note the moment of torsion maximal value that this lens barrel cooperates with this microscope base at this lens barrel; This lens barrel is screwed out microscope base, then this lens barrel is moved to the top of another microscope base in these a plurality of accepting grooves, it is rapid to repeat previous step, until these a plurality of microscope base tests in this pallet are finished.
The lens barrel that the above-mentioned torsion-testing apparatus test of another kind of employing cooperatively interacts and the method for the moment of torsion between the microscope base, it may further comprise the steps: a plurality of camera lens modules are put into a plurality of accepting grooves of this pallet respectively, and wherein each camera lens module comprises a microscope base and screws in lens barrel in this microscope base; This lens barrel of clamping part clamping of this torque tester is rotated in this microscope base; In the process that this lens barrel rotates in this microscope base, observe the reading of this display part, note the moment of torsion maximal value that this lens barrel cooperates with this microscope base; Discharge the holding force of this clamping part to this lens barrel, this clamping part is moved to another lens barrel top and this another lens barrel of clamping in these a plurality of accepting grooves, it is rapid to repeat previous step, until a plurality of camera lens modules tests in this pallet are finished.
With respect to prior art, this torsion-testing apparatus employing one can hold the pallet of a plurality of microscope bases, can once test the moment of torsion that a plurality of lens barrels cooperate with microscope base, saves the test duration.The moment of torsion that adopts this torsional test method test lens barrel to cooperate with microscope base, can one-time detection a plurality of, the testing efficiency raising.
Description of drawings
Fig. 1 is the schematic perspective view that torsion-testing apparatus that the embodiment of the invention provides cooperates with the camera lens module.
Fig. 2 is the diagrammatic cross-section of Fig. 1 along the II-II direction.
Fig. 3 is the floor map of the display part of torsion-testing apparatus shown in Figure 1.
Fig. 4 is that torsion-testing apparatus screws lens barrel mutually with microscope base and is assembled into the synoptic diagram of camera lens module among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
See also Fig. 1, Fig. 2, the embodiment of the invention provides a kind of torsion-testing apparatus 10, is used to test the moment of torsion that lens barrel 12 matches with microscope base 14.This lens barrel 12 comprises a focusing ring 122 and first resettlement section 124 that is connected with focusing ring 122, the lateral surface of this first resettlement section 124 is provided with external thread 132, this first resettlement section 124 is used to accommodate optical element, and its optical element of accommodating comprises eyeglass 126 and 128 and be used for the at interval spaced ring 130 of eyeglass 126,128.Described microscope base 14 has one second resettlement section 142 and the connecting portion 144 adjacent with this second resettlement section 142, and the madial wall of this second resettlement section 142 is provided with the internal thread 146 that the external thread 132 with this lens barrel 12 is complementary; These connecting portion 144 radial sections are square, are used to connect flexible PCB or image sensor (figure does not show) etc.This torsion-testing apparatus 10 comprises a torque tester 16, a pallet 18 and one worktable 20.
The display part 166 of the end relative that this torque tester 16 comprises a main part 162, be arranged at the jaw 164 of main part 162 1 ends and be arranged at main part 162 with jaw 164.
See also Fig. 2, this jaw 164 is used for the focusing ring 122 of clamping lens barrel 12, and drives the axial rotation of lens barrel 12 around lens barrel 12.Be provided with the machinery of detection computations moment of torsion and electronic structure (figure does not show) in this main part 162, this main part 162 is used for the torque value that detection computations matched with microscope base 14 by the lens barrel 12 of jaw 164 clampings and is sent to this display part 166.The outside of this main part 162 is protruded radially or with the direction of its radial parallel along it and is formed with leader 168, and the operator grips and promote this handle 168 can make this main part 162 rotations.
See also Fig. 3, this display part 166 is a pointer watch dial, is used to the torque value that shows that these main part 162 detection computations draw.Be appreciated that this jaw 164 can also be other clamping device, as long as can clamping lens barrel 12 and drive lens barrel 12 rotations.This display part 166 also can be the digital display type display part, and it also can separate setting with this main part 162, and is connected with main part 162 by a signal wire.
See also Fig. 1 and Fig. 2, these pallet 18 surfaces offer a plurality of accepting grooves 182, and the radial section of this accepting groove 182 is shaped as square that cross sectional shape with the connecting portion 144 of this microscope base 14 is complementary, and is used to accommodate this microscope base 14.This pallet 18 is positioned on this worktable 20, four jiaos of places of pallet 18 respectively are provided with a through hole (not indicating), 20 pairs of this worktable should be provided with four threaded holes (figure does not show) by four through holes, and four double-screw bolts 22 pass this through hole respectively and match with this threaded hole pallet 18 is locked on the worktable 20.Certainly the quantity and the position of the through hole on the pallet 18 also can change, and are not moved on worktable 20 as long as can realize pallet 18.
See also Fig. 1 to Fig. 4, a method of the moment of torsion that these torsion-testing apparatus 10 these lens barrels 12 of test cooperate with microscope base 14 is as follows:
(1) a plurality of microscope bases 14 is put into the accepting groove 182 of this pallet 18 respectively;
(2) make the focusing ring 122 of this lens barrel 12 of jaw 164 clampings of this torque tester 16, and lens barrel 12 is moved to the top of one of them microscope base 14;
(3) handle 168 in the gripping and promotion main part 162 outsides, drive this main part 162 and jaw 164 rotations, and then drive lens barrel 12 rotations, lens barrel 12 is screwed in the microscope base 14, screw in the process of microscope base 14 at lens barrel 12, observe the reading of display part 166, note the moment of torsion maximal value that this lens barrel 12 cooperates with this microscope base 14;
(4) lens barrel 12 is screwed out microscope bases 14, lens barrel 12 is moved to the top of another microscope base 14, repeating step (3), a plurality of microscope bases 14 until pallet 18 in are tested and are finished.
See also Fig. 1 to Fig. 4, the other method of the moment of torsion that these torsion-testing apparatus 10 these lens barrels 12 of test cooperate with microscope base 14 is as follows:
(1) a plurality of camera lens modules are put into the accepting groove 182 of this pallet 18 respectively, wherein each camera lens module comprises a microscope base 14 and screws in lens barrel 12 in the microscope base 14;
(2) make the focusing ring 122 of this lens barrel 12 of jaw 164 clampings of this torque tester 16;
(3) handle 168 in the gripping and promotion main part 162 outsides, drive this main part 162 and jaw 164 rotations, and then drive lens barrel 12 rotates in microscope base 14, in the process that lens barrel 12 rotates in microscope base 14, observe the reading of display part 166, note the moment of torsion maximal value that this lens barrel 12 cooperates with this microscope base 14;
(4) holding force of 164 pairs of lens barrels 12 of release jaw moves to another lens barrel 12 tops and this another lens barrel 12 of clamping with jaw 164, repeating step (3), and a plurality of camera lens modules tests in pallet 18 finish.
With respect to prior art, torsion-testing apparatus 10 employings one of present embodiment can hold the pallet 18 of a plurality of microscope bases 14, can once test the moment of torsion that a plurality of lens barrels 12 cooperate with microscope base 14, and this pallet 18 is fixed on the worktable 20, drive the situation that pallet 18 rotates together in the time of can preventing rotation lens barrel 12 during test, to guarantee smooth operation; In addition, at the main part 162 arranged outside jugs 168 of torque tester 16, make the operator convenient and laborsaving when operation.
In addition, those skilled in the art can also do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (9)
1. torsion-testing apparatus, be used to test the lens barrel that cooperatively interacts and the moment of torsion between the microscope base, it comprises a torque tester, one pallet and a worktable, this torque tester comprises a main part, be arranged at the clamping part of this main part one end and the display part that is connected with this main part, this clamping part is used for this lens barrel of clamping and drives this lens barrel screwing in this microscope base, this main part is used for the moment of torsion that this lens barrel of detection computations cooperates with microscope base and this torque value is sent to display part, the numerical value of this moment of torsion that this display part is used to show that this main part detection computations draws, this pallet is arranged at the worktable surface, this torque tester is arranged at the top of this pallet, it is characterized in that, this tray surface has a plurality of accepting grooves, and these a plurality of accepting grooves are used to accommodate and fixing a plurality of these microscope bases.
2. torsion-testing apparatus as claimed in claim 1 is characterized in that, this main part outside along it radially or be parallel to its radial direction and protrude and be formed with the leader.
3. torsion-testing apparatus as claimed in claim 1 is characterized in that the radial section of this accepting groove is shaped as square.
4. torsion-testing apparatus as claimed in claim 1 is characterized in that this pallet is fixed on this worktable by double-screw bolt.
5. torsion-testing apparatus as claimed in claim 1 is characterized in that, this display part is pointer-type or digital display type display part.
6. one kind is adopted the lens barrel that each described torsion-testing apparatus test of claim 1 to 5 cooperatively interacts and the method for the moment of torsion between the microscope base, and it may further comprise the steps:
A plurality of microscope bases are put into a plurality of accepting grooves of this pallet respectively;
Make the clamping part clamping lens barrel of this torque tester, and this lens barrel is moved to the top of one of them microscope base;
Rotate this main part and clamping part, this lens barrel is screwed in this microscope base under the drive of clamping part, screw in the process of this microscope base, observe the reading of this display part, note the moment of torsion maximal value that this lens barrel cooperates with this microscope base at this lens barrel;
This lens barrel is screwed out microscope base, then this lens barrel is moved to the top of another microscope base in these a plurality of accepting grooves, it is rapid to repeat previous step, until these a plurality of microscope base tests in this pallet are finished.
7. the lens barrel that test as claimed in claim 6 cooperatively interacts and the method for the moment of torsion between the microscope base, it is characterized in that, this main part outside along it radially or be parallel to its radial direction and protrude and be formed with the leader promotes this handle to rotate this main part and clamping part.
8. one kind is adopted the lens barrel that each described torsion-testing apparatus test of claim 1 to 5 cooperatively interacts and the method for the moment of torsion between the microscope base, and it may further comprise the steps:
A plurality of camera lens modules are put into a plurality of accepting grooves of this pallet respectively, and wherein each camera lens module comprises a microscope base and screws in lens barrel in this microscope base;
This lens barrel of clamping part clamping of this torque tester is rotated in this microscope base;
In the process that this lens barrel rotates in this microscope base, observe the reading of this display part, note the moment of torsion maximal value that this lens barrel cooperates with this microscope base;
Discharge the holding force of this clamping part to this lens barrel, this clamping part is moved to another lens barrel top and this another lens barrel of clamping in these a plurality of accepting grooves, it is rapid to repeat previous step, until a plurality of camera lens modules tests in this pallet are finished.
9. the lens barrel that test as claimed in claim 8 cooperatively interacts and the method for the moment of torsion between the microscope base, it is characterized in that, this main part outside along it radially or be parallel to its radial direction and protrude and be formed with the leader promotes this handle to rotate this main part and clamping part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102023313A CN101424575B (en) | 2007-10-31 | 2007-10-31 | Torsion-testing apparatus and torsion-testing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102023313A CN101424575B (en) | 2007-10-31 | 2007-10-31 | Torsion-testing apparatus and torsion-testing method |
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| Publication Number | Publication Date |
|---|---|
| CN101424575A CN101424575A (en) | 2009-05-06 |
| CN101424575B true CN101424575B (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007102023313A Expired - Fee Related CN101424575B (en) | 2007-10-31 | 2007-10-31 | Torsion-testing apparatus and torsion-testing method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI460424B (en) * | 2012-01-02 | 2014-11-11 | Shen Jwu Su | Method and system of material torsion testing |
| CN109708847B (en) * | 2019-02-15 | 2024-02-09 | 上海厦泰生物科技有限公司 | Fine adjustment device for optical lens |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055416A (en) * | 2006-04-14 | 2007-10-17 | 鸿富锦精密工业（深圳）有限公司 | Attachment force detection method for filter in lens module |
| CN101210985A (en) * | 2006-12-29 | 2008-07-02 | 鸿富锦精密工业（深圳）有限公司 | Lens module assembling test device and assembling test method |
-
2007
- 2007-10-31 CN CN2007102023313A patent/CN101424575B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055416A (en) * | 2006-04-14 | 2007-10-17 | 鸿富锦精密工业（深圳）有限公司 | Attachment force detection method for filter in lens module |
| CN101210985A (en) * | 2006-12-29 | 2008-07-02 | 鸿富锦精密工业（深圳）有限公司 | Lens module assembling test device and assembling test method |
Non-Patent Citations (1)
| Title |
|---|
| JP昭58-122440A 1983.07.21 |
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| CN101424575A (en) | 2009-05-06 |
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