CN102825355A - Welding groove mechanism and solderability test method for solderability tester - Google Patents
Welding groove mechanism and solderability test method for solderability tester Download PDFInfo
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- CN102825355A CN102825355A CN2012103261860A CN201210326186A CN102825355A CN 102825355 A CN102825355 A CN 102825355A CN 2012103261860 A CN2012103261860 A CN 2012103261860A CN 201210326186 A CN201210326186 A CN 201210326186A CN 102825355 A CN102825355 A CN 102825355A
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Abstract
The invention discloses a welding groove mechanism and a solderability test method for a solderability tester, and belongs to the technical field of a welding test. The welding groove mechanism comprises a welding groove, further comprises a lifting mechanism; the lifting mechanism comprises a lifting rod and a driving motor I; the lifting rod is connected with the welding groove; and the driving motor I is connected with the lifting rod. The method comprises the following steps of: fixing a sample, controlling the welding groove to raise and fall, thereby enabling the sample to be soaked in the welding groove. The solderability test method provided by the invention keeps a position of the sample fixed, and controls the welding groove to raise and fall, thereby finishing a soaking test. The problem that vibration caused by lifting the sample in a traditional test is likely to affect a test result is solved; and a falling phenomenon of the sample is also avoided. The welding groove mechanism can be provided with a precise balance without affecting a measuring result of the balance, thereby obtaining more precise test parameters, the welding groove mechanism is more beneficial for measuring and judging solderability of pins of the sample more accurately, and therefore, a technological base is provided for a performance research of a product.
Description
Technical field
The present invention relates to a kind of soldering test technology, specifically, particularly relate to a kind of weldability test appearance weld groove mechanism and weldability test method.
Background technology
Stipulate clearly that in the weldability test standard of GJB GJB360A, GJB548B, GJB128A when carrying out weldability test, test procedure is as shown in Figure 1.Can know that from the regulation of national standard weldability test equipment need realize making sample to flood scaling powder and scolding tin respectively with the speed of regulation, and reaches the degree of depth of regulation.
The equipment that domestic production at present is used for doing weldability test has dual mode, and first kind of mode is directly to adopt tin stove temperature control, and immersion test is carried out in manual work; Second kind is to adopt the screw mandrel transmission, sample is risen up and down carry out immersion test.For first kind of mode, belong to artificial test, experimental condition is difficult to guarantee accuracy, and can't realizes testing reappearance; For the second way; Though can realize testing the precision control of action; But since the mode that adopts sample to rise up and down, the problem that can exist sample to vibrate, and one side can cause the control inaccuracy of test parameters; Also the phenomenon that sample falls can be occurred on the other hand, and the experimental measurement of dampening can not be used for.
Summary of the invention
The object of the present invention is to provide the accurate weldability test appearance of a kind of result of the test weld groove mechanism.
Another object of the present invention is to provide a kind of accurate weldability test method of vibration, result of the test that reduces sample.
For realizing the object of the invention, following technical scheme is provided:
The present invention provides a kind of weldability test appearance weld groove mechanism, and its technical scheme is following: this weldability test appearance weld groove mechanism comprises weld groove; Also comprise elevating mechanism; Said elevating mechanism comprises elevating lever, drive motors one; Said elevating lever connects weld groove; Said drive motors one is connected with elevating lever.
Mode through weld groove is gone up and down makes test specimen fixed, and the problem of the influence that can produce result of the test appears vibrating in sample when having solved test.
Describe in the face of further technical scheme down:
In certain embodiments, said elevating mechanism also comprises contiguous block one, push rod, guide rail one and guide rail slotware one; Said contiguous block one is connected with elevating lever; Said push rod lower end is fixed on the contiguous block one; The push rod top contacts with guide rail slotware one or guide rail one bottom, and guide rail slotware one is slidingly matched guide rail one or guide rail slotware one in the vertical direction fixed-site with guide rail one; Said weld groove connects guide rail slotware one or guide rail one, thereby the elevating movement of elevating lever is driven to weld groove.Through the guide effect of guide rail slotware one or guide rail one, make weld groove when going up and down, guarantee location accurately, avoid deviation and cause thus rocking and fluctuating, test specimen is flooded reposefully.
In certain embodiments, this weldability test appearance weld groove mechanism also comprises the guide rail two and guide rail slotware two that is slidingly matched; Said contiguous block one also is fixed on guide rail slotware two or the guide rail two, said guide rail two or guide rail slotware two in the vertical direction fixed-site.Thereby make elevating lever obtain fixed support through contiguous block one, guide rail slotware two and guide rail two.Make the elevating movement of elevating lever obtain guiding on the one hand, reach motion more accurately; Make elevating lever obtain fixed support on the other hand, improved the stability of elevating movement.
In certain embodiments, said elevating mechanism is two, and two relative with weld groove respectively sides are connected, and said two contiguous blocks one are connected as a single entity.Make the weld groove producing balanced forces, held stationary in lifting process.
In certain embodiments, said elevating lever is a kind of in screw mandrel or the hydraulic cylinder; Said elevating lever is connected weld groove through the output with screw mandrel nut engaged one or hydraulic cylinder.Make the elevating movement of weld groove can obtain accurate adjustment and control.
In certain embodiments, said weld groove is two; Each weld groove respectively with a said elevating mechanism in guide rail slotware one or guide rail one be connected, also comprise weld groove switching mechanism; Said weld groove switching mechanism comprises connecting plate, sliding platform and sliding bar, said sliding bar horizontal positioned, and said sliding platform is connected with sliding bar; Said connecting plate is connected fixing with sliding platform, said guide rail one or guide rail slotware one are fixed on the connecting plate; Weld groove places on the sliding platform; Said sliding platform is provided with the up-down through hole, and said guide rail slotware one or guide rail one are arranged in this up-down through hole.Adopt above-mentioned switching mechanism, can make test specimen fixed, let weld groove switch stably, can a whole set of test of disposable completion.
In certain embodiments, said weld groove switching mechanism also comprises motor two, and said motor two is connected with sliding bar; Said sliding bar is a kind of in screw mandrel or the hydraulic cylinder, and said sliding platform is through being connected sliding bar with screw mandrel nut engaged two or hydraulic cylinder output.Make the level conversion motion of weld groove can obtain the precision adjustment and the control of automation.
In certain embodiments, said weld groove switching mechanism also comprises the guide rail three and guide rail slotware three that is slidingly matched each other, and said guide rail three or guide rail slotware three are connected with sliding platform, and guide rail slotware three or guide rail three be fixed-site in the horizontal direction.Make the horizontal movement of sliding platform obtain guiding on the one hand, reach motion more accurately; Make sliding platform obtain fixed support on the other hand, improved the stability of level conversion weld groove motion through guide rail slotware three and guide rail three.
The present invention also provides a kind of weldability test method, when carrying out immersion test, reduces the vibration of sample, may further comprise the steps:
1) prepares test reagent and test material according to test requirements document;
2) sample is clipped with sample clamp; Keep sample position to immobilize, adopt above-mentioned weldability test appearance weld groove mechanism, the control weld groove goes up and down, and sample is impregnated in the weld groove of splendid attire scaling powder; Keep sample position to immobilize again, control this weld groove and go up and down, sample is impregnated in the weld groove of splendid attire scolding tin;
3) but accomplish soldering test, obtain result of the test.
Above-mentioned weldability test method and the conventional up-down of passing through sample and the rotation method that makes an experiment is different; Carry out reverse thinking, sample is fixed, make its invariant position; Reach the dipping purpose through moving of weld groove, solved the problem that can there be the sample vibration in the mode that adopts the sample oscilaltion.
Describe in the face of further technical scheme down:
In certain embodiments, step 2) in, also sample clamp is connected precision balance; Adopt some embodiment of the above-mentioned weldability test appearance weld groove mechanism that is provided with two weld grooves, the control weld groove goes up and down, and sample is impregnated in the weld groove of splendid attire scaling powder; Keep sample position to immobilize again, move weld groove in the horizontal direction, the weld groove of splendid attire scolding tin is moved to the sample below, control this weld groove and go up and down, sample is impregnated in the weld groove of splendid attire scolding tin;
In the step 3),, obtain result of the test through analyzing the reading change curve of precision balance in the experimentation.
Advantage in the face of the aforementioned techniques scheme describes down:
Weldability test appearance weld groove of the present invention mechanism, the mode through weld groove is gone up and down makes test specimen fixed, and the problem of the influence that vibration can produce result of the test appears in sample when having solved test.And the Combination Design through each parts becomes a whole set of accurate movement device; Make the weld groove both can the in the vertical direction vertical lift; Also can carry out the switching of different weld grooves in the horizontal direction; Test specimen was flooded reposefully, thereby obtained accurately test parameters, can carry out the switching of different weld grooves again, realize a whole set of test of disposable full-automatic completion.And adopt this weldability test appearance weld groove mechanism to make an experiment; The phenomenon that sample falls can not appear not only; Can also measure invasive depth more accurately, also can precision balance be installed and not influence the measurement result of balance, obtain more accurately test parameters; Help measuring more exactly the solderability of judgement sample pin, for properties of product research provides technical foundation.
Weldability test method of the present invention; Adopt the reverse thinking mode, sample is fixed, make its invariant position; Reach the dipping purpose through moving of weld groove; Solve the problem that can there be the sample vibration in the mode that adopts the sample oscilaltion, can also precision balance be installed and not influence the measurement result of balance, obtained more accurately test parameters.And Programmable Logic Controller carries out accurate full-automation control and obtains experimental result accurately testing whole process as the control system.
Description of drawings
Fig. 1 is the test procedure of stipulating in the weldability test standard;
Fig. 2 is the described weldability test appearance of an embodiment of the invention weld groove mechanism structure sketch map.
Description of reference numerals: 1. motor two; 2. sliding bar; 3. nut two; 4. push rod; 5. contiguous block one; 6. elevating lever; 7. guide rail two; 8. guide rail three; 9. weld groove one; 10. weld groove two; 11. guide rail one; 12. sliding platform; 13. guide rail slotware one; 14. drive motors one; 15. nut one.
The specific embodiment
Be elaborated in the face of embodiments of the invention down:
As shown in Figure 2, a kind of weldability test appearance weld groove mechanism comprises weld groove; Also comprise elevating mechanism; Said elevating mechanism comprises elevating lever 6, drive motors 1; Said elevating lever 6 connects weld groove; Said drive motors 1 is connected with elevating lever 6.
Mode through weld groove is gone up and down makes test specimen fixed, and the problem of the influence that can produce result of the test appears vibrating in sample when having solved test.
Said elevating mechanism also comprises contiguous block 1, push rod 4, guide rail 1 and guide rail slotware 1; Said contiguous block 1 is connected with elevating lever 6; Said push rod 4 lower ends are fixed on the contiguous block 1; Push rod 4 tops contact with guide rail slotware one 13 bottoms, and guide rail slotware 1 is slidingly matched guide rail one 11 in the vertical direction fixed-site with guide rail 1; Said weld groove connects guide rail slotware 1, thereby the elevating movement of elevating lever 6 is driven to weld groove.Through the guide effect of guide rail 1, make weld groove when going up and down, guarantee location accurately, avoid deviation and cause thus rocking and fluctuating, test specimen is flooded reposefully.
This weldability test appearance weld groove mechanism also comprises the guide rail 27 and guide rail slotware two that is slidingly matched; Said contiguous block 1 also is fixed on the guide rail slotware two, said guide rail 27 in the vertical direction fixed-site.Thereby make elevating lever 6 obtain fixed support through contiguous block 1, guide rail slotware two and guide rail 27.Make the elevating movement of elevating lever 6 obtain guiding on the one hand, reach motion more accurately; Make elevating lever 6 obtain fixed support on the other hand, improved the stability of elevating movement.
Said elevating mechanism is two, and two relative with weld groove respectively sides are connected, and said two contiguous blocks 1 are connected as a single entity.Make the weld groove producing balanced forces, held stationary in lifting process.
Said elevating lever 6 is a screw mandrel, preferred ball screw; Said elevating lever 6 is through being connected weld groove with screw mandrel nut engaged 1.Make the elevating movement of weld groove can obtain accurate adjustment and control.
Said weld groove is two, is respectively weld groove 1 and weld groove 2 10; Each weld groove respectively with a said elevating mechanism in guide rail slotware 1 be connected, also comprise weld groove switching mechanism; Said weld groove switching mechanism comprises connecting plate (not shown), sliding platform 12 and sliding bar 2, said sliding bar 2 horizontal positioned, and said sliding platform 12 is connected with sliding bar 2; Said connecting plate is connected fixing with sliding platform 12, said guide rail 1 is fixed on the connecting plate; Weld groove places on the sliding platform 12; Said sliding platform 12 is provided with the up-down through hole, and said guide rail slotware 1 is arranged in this up-down through hole.Adopt above-mentioned switching mechanism, can make test specimen fixed, let weld groove switch stably, can a whole set of test of disposable completion.Switching motion is accomplished in this switching mechanism, both can adopt electric power to order about through motor, also can adopt people's force urges sliding platform to accomplish.
Said weld groove switching mechanism also comprises motor 21, and said motor 21 is connected with sliding bar 2; Said sliding bar 2 is a screw mandrel, and said sliding platform 12 is through being connected sliding bar 2 with screw mandrel nut engaged 23.Make the level conversion motion of weld groove can obtain the precision adjustment and the control of automation.
Said weld groove switching mechanism also comprises the guide rail 38 and guide rail slotware three that is slidingly matched each other, and said guide rail slotware three is connected with sliding platform 12, and guide rail 38 is fixed-site in the horizontal direction.Make the horizontal movement of sliding platform 12 obtain guiding on the one hand, reach motion more accurately; Make sliding platform 12 obtain fixed support on the other hand, improved the stability of level conversion weld groove motion through guide rail slotware three and guide rail 38.
The weldability test appearance weld groove mechanism workflow of present embodiment is:
At first with weld groove 1 and weld groove 2 10 difference splendid attire scaling powder and scolding tin; Open motor 21; Driving sliding bar 2 rotates; Move in the horizontal direction thereby make, drive sliding platform 12 again and move, make the weld groove 1 that is positioned on this sliding platform 12 over against the sample below with connecting plate with sliding bar 2 nut engaged 23.In this process, guide rail 1 is along with connecting plate moves horizontally.
At this moment, disable motor 21 is opened motor one; Drive elevating lever 6 and rotate, move up, and then drive contiguous block 1 moves up with push rod 4 thereby make with elevating lever 6 nut engaged one 15 in the vertical directions; Push rod 4 tops make guide rail slotware 1 upwards slide along the guide rail direction against living guide rail slotware one 13 bottoms, finally drive weld groove 1 and move upward; Sample is impregnated in the scaling powder with respect to weld groove, reaches the degree of depth of regulation, accomplish impregnating process with the speed of regulation.As shown in Figure 2, for weld groove 1 leaves sliding platform 12, the state that moves upward signal.
Motor 21 backward rotation descend weld groove 1, fall being positioned on the sliding platform 12 after rise, and separate with guide rail slotware one 13 bottoms on push rod 4 tops; At this moment, open motor 21 again, make weld groove 2 10 over against sample below, open motor one again,, sample is impregnated in the scolding tin with respect to weld groove, reach the degree of depth of regulation, accomplish impregnating process with the speed of regulation according to said procedure according to said procedure.
In said process; Sample is clamped by sample clamp; And connection precision balance; In dipping process, utilize the make an experiment monitoring of process of precision balance, also can be through the analysis of Programmable Logic Controller PLC as control system this weldability test appearance weld groove motion of mechanism of control and the data that experimentize.
Adopt the weldability test appearance weld groove mechanism of embodiment to carry out wetting weighing method weldability test method, may further comprise the steps:
1) prepares test reagent and test material according to test requirements document;
2) sample is clipped with sample clamp, and connect precision balance; Keep sample position to immobilize, the control weld groove goes up and down, and sample is impregnated in the weld groove of splendid attire scaling powder with the speed of regulation, arrives the degree of depth of regulation; Keep sample position to immobilize again, move weld groove in the horizontal direction, the weld groove of splendid attire scolding tin is moved to the sample below, control this weld groove and go up and down, sample is impregnated in the weld groove of splendid attire scolding tin with the speed of regulation, arrive the degree of depth of regulation; Come the up-down and the horizontal movement of the above-mentioned weld groove of accurate control through Programmable Logic Controller.
3) analyze the detection data of precision balance in the experimentation through Programmable Logic Controller, but obtain moistening weighing method The experiment results.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a weldability test appearance weld groove mechanism comprises weld groove; It is characterized in that, also comprise elevating mechanism; Said elevating mechanism comprises elevating lever, drive motors one; Said elevating lever connects weld groove; Said drive motors one is connected with elevating lever.
2. weldability test appearance weld groove according to claim 1 mechanism is characterized in that said elevating mechanism also comprises contiguous block one, push rod, guide rail one and guide rail slotware one; Said contiguous block one is connected with elevating lever; Said push rod lower end is fixed on the contiguous block one; The push rod top contacts with guide rail slotware one or guide rail one bottom, and guide rail slotware one is slidingly matched guide rail one or guide rail slotware one in the vertical direction fixed-site with guide rail one; Said weld groove connects guide rail slotware one or guide rail one, thereby the elevating movement of elevating lever is driven to weld groove.
3. weldability test appearance weld groove according to claim 2 mechanism is characterized in that, also comprises the guide rail two and guide rail slotware two that are slidingly matched; Said contiguous block one also is fixed on guide rail slotware two or the guide rail two, said guide rail two or guide rail slotware two in the vertical direction fixed-site.
4. weldability test appearance weld groove according to claim 2 mechanism is characterized in that said elevating mechanism is two, and two relative with weld groove respectively sides are connected, and said two contiguous blocks one are connected as a single entity.
5. weldability test appearance weld groove according to claim 1 mechanism is characterized in that, said elevating lever is a kind of in screw mandrel or the hydraulic cylinder; Said elevating lever is connected weld groove through the output with screw mandrel nut engaged one or hydraulic cylinder.
6. weldability test appearance weld groove according to claim 2 mechanism is characterized in that said weld groove is two; Each weld groove respectively with a said elevating mechanism in guide rail slotware one or guide rail one be connected, also comprise weld groove switching mechanism; Said weld groove switching mechanism comprises connecting plate, sliding platform and sliding bar, said sliding bar horizontal positioned, and said sliding platform is connected with sliding bar; Said connecting plate is connected fixing with sliding platform, said guide rail one or guide rail slotware one are fixed on the connecting plate; Weld groove places on the sliding platform; Said sliding platform is provided with the up-down through hole, and said guide rail slotware one or guide rail one are arranged in this up-down through hole.
7. weldability test appearance weld groove according to claim 6 mechanism is characterized in that said weld groove switching mechanism also comprises motor two, and said motor two is connected with sliding bar; Said sliding bar is a kind of in screw mandrel or the hydraulic cylinder, and said sliding platform is through being connected sliding bar with screw mandrel nut engaged two or hydraulic cylinder output.
8. weldability test appearance weld groove according to claim 6 mechanism; It is characterized in that; Said weld groove switching mechanism also comprises the guide rail three and guide rail slotware three that is slidingly matched each other; Said guide rail three or guide rail slotware three are connected with sliding platform, and guide rail slotware three or guide rail three be fixed-site in the horizontal direction.
9. weldability test method is characterized in that may further comprise the steps:
1) prepares test reagent and test material according to test requirements document;
2) sample is clipped with sample clamp; Keep sample position to immobilize, adopt each described weldability test appearance weld groove mechanism of claim 1-8, the control weld groove goes up and down, and sample is impregnated in the weld groove of splendid attire scaling powder; Keep sample position to immobilize again, control this weld groove and go up and down, sample is impregnated in the weld groove of splendid attire scolding tin;
3) but accomplish soldering test, obtain result of the test.
10. weldability test method according to claim 9 is characterized in that:
Step 2) in, also sample clamp is connected precision balance, the control weld groove goes up and down, and sample is impregnated in the weld groove of splendid attire scaling powder; Keep sample position to immobilize again, move weld groove in the horizontal direction, the weld groove of splendid attire scolding tin is moved to the sample below, control this weld groove and go up and down, sample is impregnated in the weld groove of splendid attire scolding tin;
In the step 3),, obtain result of the test through analyzing the reading change curve of precision balance in the experimentation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210326186.0A CN102825355B (en) | 2012-09-05 | 2012-09-05 | Welding groove mechanism and solderability test method for solderability tester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210326186.0A CN102825355B (en) | 2012-09-05 | 2012-09-05 | Welding groove mechanism and solderability test method for solderability tester |
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| CN102825355A true CN102825355A (en) | 2012-12-19 |
| CN102825355B CN102825355B (en) | 2015-03-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499822A (en) * | 2016-01-06 | 2016-04-20 | 桂林斯壮微电子有限责任公司 | Method for testing weldability of SMD (Surface Mounted Device) product |
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| US20100320256A1 (en) * | 2006-04-10 | 2010-12-23 | Research In Motion Limited | Method and apparatus for testing solderability of electrical components |
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| US6360935B1 (en) * | 1999-01-26 | 2002-03-26 | Board Of Regents Of The University Of Texas System | Apparatus and method for assessing solderability |
| US20100320256A1 (en) * | 2006-04-10 | 2010-12-23 | Research In Motion Limited | Method and apparatus for testing solderability of electrical components |
| CN101153837A (en) * | 2006-09-29 | 2008-04-02 | 廖树帜 | Dynamic testing method and system for wetting property |
| CN202343791U (en) * | 2011-12-09 | 2012-07-25 | 苏州生益科技有限公司 | Plate deviation correcting device |
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| CN105499822A (en) * | 2016-01-06 | 2016-04-20 | 桂林斯壮微电子有限责任公司 | Method for testing weldability of SMD (Surface Mounted Device) product |
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| CN102825355B (en) | 2015-03-18 |
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Effective date of registration: 20201112 Address after: 511300 No.78, west of Zhucun Avenue, Zhucun street, Zengcheng District, Guangzhou City, Guangdong Province Patentee after: CHINA ELECTRONIC PRODUCT RELIABILITY AND ENVIRONMENTAL TESTING Research Institute (THE FIFTH ELECTRONIC Research Institute OF MIIT)(CEPREI LABORATORY)) Address before: 510610 No. 110 Zhuang Road, Tianhe District, Guangdong, Guangzhou, Dongguan Patentee before: GUANGZHOU CEPREI INSTRUMENT AND EQUIPMENT Co.,Ltd. |
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