CN105573044A - Thread locking reliability testing device and method - Google Patents

Thread locking reliability testing device and method Download PDF

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Publication number
CN105573044A
CN105573044A CN201510988076.4A CN201510988076A CN105573044A CN 105573044 A CN105573044 A CN 105573044A CN 201510988076 A CN201510988076 A CN 201510988076A CN 105573044 A CN105573044 A CN 105573044A
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CN
China
Prior art keywords
locking section
guide rail
clamping part
locks
screw thread
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Granted
Application number
CN201510988076.4A
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Chinese (zh)
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CN105573044B (en
Inventor
严小超
李建华
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Truly Opto Electronics Ltd
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Truly Opto Electronics Ltd
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Priority to CN201510988076.4A priority Critical patent/CN105573044B/en
Publication of CN105573044A publication Critical patent/CN105573044A/en
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Publication of CN105573044B publication Critical patent/CN105573044B/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B43/00Testing correct operation of photographic apparatus or parts thereof
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

Abstract

The invention discloses a thread locking reliability testing device, comprising a first guide rail mechanism, a second guide rail mechanism, a second CCD, a display device and a control device, wherein the first guide rail mechanism is provided with a horizontal guide rail and a first clamping part; the second guide rail mechanism is placed on the side edge of the first guide rail mechanism and is provided with a vertical guide rail, a second clamping part, a first CCD, a rotating mechanism and a torque sensor; the first CCD is used for taking the image of the inner thread appearance of a first locking part; the second CCD is placed on the side edge of the second guide rail mechanism and used for taking the image of the outer thread appearance of a second locking part. The invention discloses a thread locking reliability testing device. The thread locking reliability testing device is simple in structure, convenient to operate, and is capable of accurately measuring a torque value after a certain number of times of locking and therefore the accuracy of measurement of the thread locking torque can be improved; moreover, the appearance images of a product after locking can be taken by the CCDs, thus further improving the quality of thread locking reliability testing; in term of material selection, a reliable comparison verification basis can be provided rapidly and accurately, thus providing a reliable basis for optimizing the product.

Description

A kind of screw thread locks RTA reliability test assembly and method of testing
Technical field
The present invention relates to a kind of screw thread being applied to camera and lock RTA reliability test assembly and method of testing.
Background technology
After current camera lens barrel and microscope base die sinking, by means of only management and control test torsion, but can there is the problem of cosmetic injury after lens barrel and microscope base lock in test torsion process, the chip etc. that easy generation is not easily discovered, causes camera module image stain bad.For lock between two parts reliability not suitable device carry out as certain number of times lock after torsion, the test of cosmetic injury situation etc., existing reliability testing is fixed inaccurate, thus causes the production assembling process of product unstable, affects product percent of pass and end product quality; And, on selection camera lens barrel and microscope base material, merely by the more difficult difference embodying material of torsional test, and do not have other proving installations in selection, provide reliable foundation at present yet.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the invention provides a kind of screw thread and lock RTA reliability test assembly, its structure is simple, easy to operate, accurately can record and lock rear torque value, particularly monitor certain number of times lock after torsion delta data, improve screw thread lock torsion measure accuracy; Locked the outward appearance image of rear product simultaneously by CCD shooting, confirm cosmetic injury degree, improve the quality that screw thread locks reliability testing further, quick and precisely can provide reliable contrast verification foundation in selection, for optimizing product provides reliable basis.Present invention also offers a kind of screw locking method for testing reliability.
Technical matters to be solved by this invention is achieved by the following technical programs:
A kind of screw thread locks RTA reliability test assembly, comprising:
First guide rail mechanism, has horizontal guide rail, the first clamping part be arranged on described horizontal guide rail, and it is for clamping the first locking section of sample to be tested, and described first locking section has internal thread;
Second guide rail mechanism, the second driving mechanism be positioned at the side of described first guide rail mechanism, this second guide rail mechanism has upright guide rail, be arranged on the second slide block of described upright guide rail, be connected with described second slide block, be arranged on the second clamping part on described second slide block and a CCD, the rotating mechanism be connected with described second clamping part and the torsion torque sensor be positioned on described second clamping part; Described second driving mechanism moves up and down for driving described second slide block, and described rotating mechanism rotates for driving described second clamping part; Described second clamping part is for clamping the second locking section of sample to be tested, and described second locking section has the external thread corresponding with internal thread; A described CCD is for taking the internal thread outward appearance of described first locking section;
2nd CCD, is positioned at the side of described first guide rail mechanism, for taking the external thread outward appearance of described second locking section;
Display device, it is connected with described torsion torque sensor, a CCD and the 2nd CCD;
Control device, it is connected with described second driving mechanism and rotating mechanism.
Further, described first guide rail mechanism also comprises the first slide block be arranged on described horizontal guide rail and the first driving mechanism be connected with described first slide block; Described first clamping part is arranged on described first slide block, and described first driving mechanism is connected with described control device;
Further, described first clamping part is vacuum adsorption type clamping part or the localization tool with pockets or gas pawl clamped-in style clamping part.
Further, described second clamping part is vacuum adsorption type clamping part or gas pawl clamped-in style clamping part.
Further, described first driving mechanism and/or the second driving mechanism are linear electric motors or telescopic cylinder.
Further, described rotating mechanism is electric rotating machine or rotary cylinder.
Further, described first locking section is camera microscope base, and described second locking section is camera lens barrel.
A kind of screw thread locks method for testing reliability, comprises the following steps:
(1) the first locking section of sample to be tested and the second locking section are carried out at least one times lock mensuration torsion, obtain multiple torque value;
(2) judge that whether torque value is qualified, if qualified, enter next step;
(3) take the internal thread of the first locking section and the externally threaded outward appearance image of the second locking section after torsional test respectively, and carry out judging that whether cosmetic injury is qualified.
A kind of screw thread locks method for testing reliability, comprises the following steps:
(1) the first locking section of sample to be tested and the second locking section are undertaken locking mensuration torsion by pre-determined number, obtain multiple torque value;
(2) torsion completing pre-determined number measures; Take the internal thread of the first locking section and the externally threaded outward appearance image of the second locking section respectively, and carry out judging that whether cosmetic injury is qualified.
Further, described first locking section is camera microscope base; Described second locking section is camera lens barrel.
The present invention has following beneficial effect: described screw thread locks RTA reliability test assembly, its structure is simple, easy to operate, accurately can record and lock rear torque value, particularly monitor certain number of times lock after torsion delta data, improve screw thread lock torsion measure accuracy; Lock the supporting internal thread of rear product and externally threaded outward appearance image by different CCD shooting simultaneously, confirm cosmetic injury degree, further raising screw thread locks the quality of reliability testing, the contrast verification foundation of reliable unlike material quick and precisely can be provided, for optimize product structure and material method provides reliable foundation in selection.
Accompanying drawing explanation
Fig. 1 is the structural representation that screw thread of the present invention locks RTA reliability test assembly.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be described in detail.
Embodiment 1
Please refer to Fig. 1, the screw thread which show a kind of preferred embodiment locks RTA reliability test assembly, and it comprises: carrying platform 1 and the first guide rail mechanism, the second guide rail mechanism, the 2nd CCD8, display device (figure does not show) and the control device (figure does not show) that are arranged on this carrying platform 1.Described screw thread lock RTA reliability test assembly for test female first locking section of tool and have torsion situation that externally threaded second locking section corresponding with internal thread lock at least one times and observation lock after internal thread and the reliability testing such as externally threaded cosmetic injury situation.
Described first guide rail mechanism is for clamping described first locking section side-to-side movement.Described first guide rail mechanism have be fixed on described carrying platform 1 horizontal guide rail 2, be arranged on the first slide block on described horizontal guide rail 2 (figure does not show), the first driving mechanism (scheming not show) be connected with described first slide block and the first clamping part 3 be fixed on described first slide block; Wherein, described first driving mechanism is preferably linear electric motors or telescopic cylinder, and it is connected with described first slide block by screw mandrel, drives the side-to-side movement on described horizontal guide rail 2 of this first slide block, namely drives described first clamping part 3 side-to-side movement; Described first clamping part 3 can be vacuum adsorption type clamping part, it can also be the localization tool of the pockets had for holding the first locking section, also can be the gas pawl clamped-in style clamping part controlled by pneumatic element, the present embodiment is preferably localization tool, and it is for clamping described first locking section.
Described second guide rail mechanism, is fixed on described carrying platform 1, is positioned at the side of described first guide rail mechanism.This second guide rail mechanism has the upright guide rail 4 be fixed on described carrying platform 1, be arranged on the second slide block 5 of described upright guide rail 4, the second driving mechanism (scheming not show) of being connected with described second slide block 5, be arranged on the second clamping part 6 on described second slide block 5 and a CCD7, the rotating mechanism (scheming not show) be connected with described second clamping part 6 and the torsion torque sensor (scheming not show) be positioned on described second clamping part 6, wherein, described second driving mechanism is preferably linear electric motors or telescopic cylinder, and it is connected with described second slide block 5 by screw mandrel, drives this second slide block 5 to move up and down on described upright guide rail 4, namely drives described second clamping part 6 to move up and down, described second clamping part 6 can be vacuum adsorption type clamping part, it can also be the gas pawl clamped-in style clamping part controlled by pneumatic element, for clamping the second locking section of sample to be tested, described rotating mechanism is fixed on described second slide block 5, this rotating mechanism is preferably rotary cylinder or electric rotating machine, it is connected with described second clamping part 6 by screw mandrel, rotate for driving described second clamping part 6, second locking section is screwed in the first locking section being positioned at described first clamping part 3, torsion torque sensor acquisition torque data is sent to display device to carry out judging whether torsion measures qualified, a described CCD7 carries out the confirmation of cosmetic injury degree for taking the internal thread outward appearance image that locks rear described first locking section at least one times and transferring in described display device.
Described 2nd CCD8, is positioned at the side of described first guide rail mechanism, carries out the confirmation of cosmetic injury degree for taking the external thread outward appearance image that locks rear described second locking section at least one times and transferring in described display device.
Described display device is connected with described torsion torque sensor, a CCD7 and the 2nd CCD8 respectively, for showing torsion determination data, the first locking section internal thread outward appearance image and the second locking section external thread outward appearance image; Described control device is connected with described first driving mechanism, described second driving mechanism and rotating mechanism respectively, for controlling the executable operations of driving mechanism and rotating mechanism.
The screw thread that the present embodiment provides locks RTA reliability test assembly, and its structure is simple, easy to operate, accurately can record and lock rear torque value, particularly monitor certain number of times lock after torsion delta data, improve screw thread lock torsion measure accuracy; Taken respectively by a CCD and the 2nd CCD simultaneously and lock the rear internal thread of the first locking section and the externally threaded outward appearance image of the second locking section, and confirm cosmetic injury degree, improve the quality reduction camera module image stain fraction defective that screw thread locks reliability testing further; The contrast verification foundation of reliable unlike material quick and precisely can be provided, for optimize product structure and material method provides reliable foundation in selection.
Embodiment 2
Present embodiments provide a kind of screw thread and lock method for testing reliability, it comprises the following steps:
(1) the first locking section of sample to be tested and the second locking section are carried out at least one times lock measure torsion, obtain multiple torque value;
During specific implementation, the second locking section is screwed in the first locking section, the first locking section is fixed on described first clamping part; Promote below described first clamping part to described second clamping part by the first driving mechanism; Second clamping part moves downward and clamps the second locking section, rotating mechanism and the second driving mechanism carry out locking of certain number of times in conjunction with drive second locking section and the first locking section, and torsion torque sensor obtains torque data and is sent to described display device and carries out analysis judgement.
Described at least one times to lock be requiring that the second locking section screws in altitude range repeatedly turn up and down back and forth certain, the degree of depth and the dynamics of screw-in are constant, only the upper and lower number of times of turn is different, and the dynamics of screw-in is determined by the torsion between described first locking section and the second locking section.
(2) judge that whether torque value is qualified, if qualified, enter next step;
During specific implementation, each torque value obtained and the critical field value preset are compared, falls into this critical field value, then qualified, cosmetic injury degree can be entered and confirm step; If exceed, defective.Described torsion critical field value is 20 ~ 120gf/cm.
(3) take the internal thread of the first locking section and the externally threaded outward appearance image of the second locking section after torsional test respectively, and carry out judging that whether cosmetic injury is qualified.
During specific implementation, after torsion has measured, the second locking section is screwed out outside described first locking section; Promoted below described first locking section a to CCD by the first driving mechanism, a CCD takes the outward appearance image of the internal thread of the first locking section, and is sent to display device to confirm its cosmetic injury degree; Taken the externally threaded outward appearance image of the second locking section by the 2nd CCD, and be sent to display device to confirm its cosmetic injury degree; Observe outward appearance image, when internal thread or external thread residual then qualified without obvious scratch, breach and chip, residual etc. then defective if any obvious scratch, chip.
In the present embodiment, described first locking section is camera microscope base; Described second locking section is camera lens barrel.
The screw thread that the present embodiment provides locks method for testing reliability, not only accurately can record and lock rear torque value, particularly monitor certain number of times lock after torsion delta data, improve screw thread lock torsion measure accuracy; Taken respectively by a CCD and the 2nd CCD simultaneously and lock the rear internal thread of the first locking section and the externally threaded outward appearance image of the second locking section, and confirm cosmetic injury degree, improve the quality reduction camera module image stain fraction defective that screw thread locks reliability testing further; And in selection, quick and precisely can provide the contrast verification foundation of reliable unlike material, for optimize product structure and material method provides reliable foundation.
Embodiment 3
Present embodiments provide a kind of screw thread and lock method for testing reliability, it comprises the following steps:
(1) the first locking section of sample to be tested and the second locking section are repeatedly locked by set point number, obtain multiple torque value;
(2), after completing setting screw-in number of times, described first locking section and the second locking section is separated;
(3) take the internal thread of the first locking section and the externally threaded outward appearance image of the second locking section respectively, and carry out judging that whether cosmetic injury is qualified.
During specific implementation, after pre-determined number torsion has measured, the second locking section is screwed out outside described first locking section; Promoted below described first locking section a to CCD by the first driving mechanism, a CCD takes the outward appearance image of the internal thread of the first locking section, and is sent to display device to confirm its cosmetic injury degree; Taken the externally threaded outward appearance image of the second locking section by the 2nd CCD, and be sent to display device to confirm its cosmetic injury degree; Observe outward appearance image, when internal thread or external thread residual then qualified without obvious scratch, breach and chip, residual etc. then defective if any obvious scratch, chip.
In the present embodiment, described first locking section is camera microscope base; Described second locking section is camera lens barrel.
The screw thread that the present embodiment provides locks method for testing reliability, locks number of times, record each torque value by setting, even if but exceed critical field value and also can not stop; Complete setting to screw in after number of times, the internal thread then taken by CCD and externally threaded outward appearance image judge its cosmetic injury degree, improve accuracy and measuring accuracy that screw thread locks reliability testing further; And in selection, contrast verification foundation more accurately can be provided, for optimize product structure further and material provides more reliable foundation.
The above embodiment only have expressed embodiments of the present invention; it describes comparatively concrete and detailed; but therefore can not be interpreted as the restriction to the scope of the claims of the present invention; in every case the technical scheme adopting the form of equivalent replacement or equivalent transformation to obtain, all should drop within protection scope of the present invention.

Claims (10)

1. screw thread locks a RTA reliability test assembly, it is characterized in that, comprising:
First guide rail mechanism, has horizontal guide rail, the first clamping part be arranged on described horizontal guide rail, and it is for clamping the first locking section of sample to be tested, and described first locking section has internal thread;
Second guide rail mechanism, the second driving mechanism be positioned at the side of described first guide rail mechanism, this second guide rail mechanism has upright guide rail, be arranged on the second slide block of described upright guide rail, be connected with described second slide block, be arranged on the second clamping part on described second slide block and a CCD, the rotating mechanism be connected with described second clamping part and the torsion torque sensor be positioned on described second clamping part; Described second driving mechanism moves up and down for driving described second slide block, and described rotating mechanism rotates for driving described second clamping part; Described second clamping part is for clamping the second locking section of sample to be tested, and described second locking section has the external thread corresponding with internal thread; A described CCD is for taking the internal thread outward appearance of described first locking section;
2nd CCD, is positioned at the side of described first guide rail mechanism, for taking the external thread outward appearance of described second locking section;
Display device, it is connected with described torsion torque sensor, a CCD and the 2nd CCD;
Control device, it is connected with described second driving mechanism and rotating mechanism.
2. screw thread according to claim 1 locks RTA reliability test assembly, it is characterized in that, described first guide rail mechanism also comprises the first slide block be arranged on described horizontal guide rail and the first driving mechanism be connected with described first slide block; Described first clamping part is arranged on described first slide block, and described first driving mechanism is connected with described control device.
3. screw thread according to claim 1 and 2 locks RTA reliability test assembly, it is characterized in that, described first clamping part is vacuum adsorption type clamping part or the localization tool with pockets or gas pawl clamped-in style clamping part.
4. screw thread according to claim 1 locks RTA reliability test assembly, it is characterized in that, described second clamping part is vacuum adsorption type clamping part or gas pawl clamped-in style clamping part.
5. screw thread according to claim 2 locks RTA reliability test assembly, it is characterized in that, described first driving mechanism and/or the second driving mechanism are linear electric motors or telescopic cylinder.
6. screw thread according to claim 1 locks RTA reliability test assembly, it is characterized in that, described rotating mechanism is electric rotating machine or rotary cylinder.
7. screw thread according to claim 1 locks RTA reliability test assembly, it is characterized in that, described first locking section is camera microscope base, and described second locking section is camera lens barrel.
8. screw thread locks a method for testing reliability, comprises the following steps:
First locking section of sample to be tested and the second locking section are carried out at least one times lock mensuration torsion, obtain multiple torque value;
Judge that whether torque value is qualified, if qualified, enter next step;
The internal thread of the first locking section and the externally threaded outward appearance image of the second locking section after shooting torsional test respectively, and carry out judging that whether cosmetic injury qualified.
9. screw thread locks a method for testing reliability, comprises the following steps:
First locking section of sample to be tested and the second locking section are undertaken locking mensuration torsion by pre-determined number, obtains multiple torque value;
The torsion completing pre-determined number measures; The internal thread of the first locking section and the externally threaded outward appearance image of the second locking section after shooting torsional test respectively, and carry out judging that whether cosmetic injury qualified.
10. screw thread according to claim 8 or claim 9 locks method for testing reliability, and it is characterized in that, described first locking section is camera microscope base; Described second locking section is camera lens barrel.
CN201510988076.4A 2015-12-25 2015-12-25 A kind of screw thread locks method for testing reliability Active CN105573044B (en)

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CN108584710A (en) * 2018-07-05 2018-09-28 江西飞达电气设备有限公司 A kind of cambered torque-limiter test equipment
CN110855863A (en) * 2019-11-16 2020-02-28 东莞市磐锐机电科技有限公司 Connecting mechanism, locking machine comprising connecting mechanism and part assembling method

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