CN102203564B - Test fixture and test method - Google Patents
Test fixture and test method Download PDFInfo
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- CN102203564B CN102203564B CN201180000552.7A CN201180000552A CN102203564B CN 102203564 B CN102203564 B CN 102203564B CN 201180000552 A CN201180000552 A CN 201180000552A CN 102203564 B CN102203564 B CN 102203564B
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- slide block
- support
- thrust unit
- test fixture
- push rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The embodiments of the invention disclose a test fixture and a test method, concerning the mechanical field, for solving problems of long operational time and low test efficiency of the conventional test fixture. The test fixture comprises a pedestal; a horizontal track is arranged in the pedestal and a horizontally moving support is arranged on the horizontal track; a support plate used for bearing tested piece is arranged on the pedestal; a first slider which can horizontally move relative to the support is arranged on the support and one end of the first slider has a slope and the other end of the first slider is connected with a driving device; a verical track is arranged relative to the bottom of the end of the first slider with the slope and a second slider is slideably arranged in the vertical track; a first elastic component is arranged between the support and the driving device; and locating components are arranged in the moving track of the support on the pedestal. The product of the invention is used for testing the terminal products.
Description
Technical field
The present invention relates to a kind of mechanical hook-up, relate in particular to a kind of test fixture and method of testing.
Background technology
Because the mass production of terminal series products in the production test procedure of terminal series products, needs the test fixture of a large amount of auxiliary usefulness to test.
In the prior art, the test fixture of the terminal series products being tested needs respectively to realize test to measured piece by two different actuations at least.One of them action is used for moving horizontally the press member that presses down for to the test needle-bar, and another action is used for pressing down described press member, presses down the test needle-bar by described press member.
In the process of using existing test fixture, the inventor finds that there are the following problems at least in the prior art: because existing test fixture needs respectively to realize test to measured piece by two different actuations, running time to test fixture is longer, affects the testing efficiency of product.
Summary of the invention
Embodiments of the invention provide a kind of test fixture and method of testing, can reduce the running time of test fixture, improve the testing efficiency of product.
For achieving the above object, test fixture embodiment of the present invention adopts following technical scheme:
A kind of test fixture comprises base,
Be provided with horizontal rail at described base, be provided with the support that can move horizontally in described horizontal rail;
On described base, also be provided with the support plate for the carrying measured piece;
Be provided with first slide block that can move with respect to described support level at described support, an end of described the first slide block has the inclined-plane, and the other end of described the first slide block links to each other with thrust unit;
On described support, have the below of an end on described inclined-plane corresponding to described the first slide block, be provided with vertical track, be mounted slidably the second slide block at described vertical track;
Between described support and described thrust unit, be provided with the first elastomeric element;
On described base, the mobile route that is positioned at described support is provided with limiting component;
After described thrust unit promoted described the first slide block and is moved horizontally to preset distance together with described support, described support is subject to stopping of described limiting component to be stopped to move horizontally; Described thrust unit promotes described the first slide block to be continued to move horizontally, and the described inclined-plane of described the first slide block end applies downward pressure to the top of described the second slide block, and described the second slide block moves down along described vertical track.
The embodiment of the invention also provides a kind of method of testing of using above-mentioned test fixture to test, and wherein measured piece is positioned on the support plate, and this method of testing comprises:
Thrust unit promotes the first slide block and support moves horizontally together;
Described support run into limiting component stop mobile after, described thrust unit promotes described the first slide block to be continued to move horizontally;
The inclined-plane of described the first slide block end applies downward pressure to the top of the second slide block;
Described the second slide block is stressed to be moved down afterwards along vertical track;
Exert pressure to the test needle-bar in the lower end of described the second slide block, the stressed rear drive testing needle of described test needle-bar moves down with measured piece and joins.
In a kind of test fixture of the embodiment of the invention and the method for testing, promote the first slide block and support and move horizontally together; Described support run into limiting component stop mobile after, promote described the first slide block and continue to move horizontally; The inclined-plane of described the first slide block end applies downward pressure to the top of the second slide block; Described the second slide block is stressed to be moved down afterwards along vertical track; Exert pressure to the test needle-bar measured piece tested in the lower end of described the second slide block, so only need to finish by a pushing action the movement that presses down with the second slide block of moving horizontally of the first slide block, can reduce the running time of test fixture, improve the testing efficiency of product.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of test fixture embodiment one of the present invention;
Fig. 2 is the vertical view of test fixture embodiment one of the present invention shown in Figure 1;
Fig. 3 is the working state structure schematic diagram of test fixture embodiment one of the present invention shown in Figure 1;
Fig. 4 is the structural representation of test fixture embodiment two of the present invention;
Fig. 5 is the structural representation of test fixture embodiment three of the present invention;
Fig. 6 is the process flow diagram of method of testing embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
The embodiment of the invention provides a kind of test fixture, comprises base, is provided with horizontal rail at described base, is provided with the support that can move horizontally in described horizontal rail;
On described base, also be provided with the support plate for the carrying measured piece;
Be provided with first slide block that can move with respect to described support level at described support, an end of described the first slide block has the inclined-plane, and the other end of described the first slide block links to each other with thrust unit;
On described support, have the below of an end on described inclined-plane corresponding to described the first slide block, be provided with vertical track, be mounted slidably the second slide block at described vertical track;
Between described support and described thrust unit, be provided with elastomeric element;
On described base, the mobile route that is positioned at described support is provided with limiting component;
After described thrust unit promoted described the first slide block and is moved horizontally to preset distance together with described support, described support is subject to stopping of described limiting component to be stopped to move horizontally; Described thrust unit promotes described the first slide block to be continued to move horizontally, and the described inclined-plane of described the first slide block end applies downward pressure to the top of described the second slide block, and described the second slide block moves down along described vertical track.
A kind of test fixture of the embodiment of the invention, thrust unit promotes the first slide block and support moves horizontally together; Described support run into limiting component stop mobile after, promote described the first slide block and continue to move horizontally; The inclined-plane of described the first slide block end applies downward pressure to the top of the second slide block; Described the second slide block is stressed to be moved down afterwards along vertical track, so only needs can finish by a pushing action the movement that presses down with the second slide block of moving horizontally of the first slide block, can reduce the running time of test fixture, improves the testing efficiency of product.
Embodiment one
Fig. 1 is the structural representation of test fixture embodiment one of the present invention; Fig. 2 is the vertical view of test fixture embodiment one of the present invention shown in Figure 1; For the sake of clarity, the needle-bar structural drawing among not shown Fig. 1 among Fig. 2; Fig. 3 is the working state structure schematic diagram of test fixture embodiment one of the present invention shown in Figure 1;
Referring to Fig. 1, Fig. 2 and shown in Figure 3, the embodiment of the invention provides a kind of test fixture, comprises base 1, is provided with horizontal rail 2 at described base, is provided with the support 3 that can move horizontally in described horizontal rail 2;
Be provided with the chute (not shown) at described support 3, in described chute, be provided with the first slide block 4, described the first slide block can move horizontally with respect to described support 3 along described chute 4, one end of described the first slide block 4 has the inclined-plane, and the other end of described the first slide block 4 links to each other with the telescopic push rod 51 of a cylinder 5; Particularly, be provided with push pedal 6 in the end of described push rod 51, described the first slide block 4 links to each other with the push rod 51 of described cylinder by described push pedal 6;
On described support 3, have the below of an end on described inclined-plane corresponding to described the first slide block 4, be provided with vertical track 7, be mounted slidably the second slide block 8 at described vertical track 7; In order to prevent that described the second slide block from freely gliding along described vertical track, the second slide block described in the present embodiment and described vertical track directly adopt tighter sliding connection, so that the force of sliding friction between the second slide block and the described vertical track is larger, freely glide along described vertical track to prevent described the second slide block;
Be provided with the 3rd slide block 9 in the lower end of described push pedal 6; A spring 10 is located on the described support, and an end of described spring 10 is connected with described the 3rd slide block 9, and the other end is connected with described support 3;
On described base 1, the mobile route that is positioned at described support is provided with limiting component 11, this limiting component is a block;
On described base 1, also be provided with the support plate 13 for carrying measured piece 12, be provided with for the needle-bar 14 of testing at described support plate 13, at described needle-bar 14 testing needle 141 is installed; During test, described measured piece is placed on the described support plate and is positioned at the below of described needle-bar;
The push rod of described cylinder promotes described the first slide block by described push pedal and the 3rd slide block moves horizontally forward, described the 3rd slide block by described spring the elastic deformation pulling or promote described support and move horizontally forward together, after moving to preset distance, even described the second slide block move to described support plate directly over after, described described support is subject to stopping of described limiting component to be stopped to move horizontally; The push rod of described cylinder promotes described the first slide block by described push pedal and the 3rd slide block continues to move horizontally forward, described spring continues elastic deformation under the acting force of described the 3rd slide block, the described inclined-plane of described the first slide block end applies downward pressure to the top of described the second slide block, described the second slide block moves down along described vertical track, the lower end of described the second slide block is pressed on the described test needle-bar, in order to the measured piece that is positioned at described support plate is tested.
Embodiment of the invention test fixture, cylinder promote the first slide block and support moves horizontally together; Described support run into limiting component stop mobile after, promote described the first slide block and continue to move horizontally; The inclined-plane of described the first slide block end applies downward pressure to the top of the second slide block; Described the second slide block is stressed to be moved down afterwards along vertical track, only needs can finish by a pushing action the movement that presses down with the second slide block of moving horizontally of the first slide block, can reduce the running time of test fixture, improves the testing efficiency of product.And, only need a cylinder just can finish above-mentioned pushing action in the present embodiment, cost is lower.
Embodiment two
Referring to shown in Figure 4, the structure of the present embodiment and embodiment one is basic identical, and difference is:
On the one hand, in order to prevent that described the second slide block 8 from freely gliding along described vertical track 7, be provided with the second elastomeric element 15 described in the present embodiment between the second slide block 8 and the described vertical track 7, this second elastomeric element 15 can be spring, and flexure strip etc. can produce elastic deformation and more recover the elastomeric element of deformation.Described the second elastomeric element is set between described the second slide block and described vertical track, also be convenient to when the push rod of described cylinder is retracted in the cylinder, described the second slide block resets because the suppressing action on the described inclined-plane that loses described the first slide block moves up automatically along described vertical track.
On the other hand, in the present embodiment, described spring 10, namely the first elastomeric element directly is arranged on the described support 3, and an end of described spring 10 links to each other with the lower end of described push pedal 6, the other end links to each other with described support 3, like this, the push rod of described cylinder stretch out promote described the first slide block and move forward along the chute on the described support in, also promote described support 3 by described spring 10 and move forward along the horizontal rail 2 on the described base 1.In the present embodiment, saved described the 3rd slide block among the embodiment one, structure is simpler.
Embodiment of the invention test fixture only needs can finish by a pushing action the movement that presses down with the second slide block of moving horizontally of the first slide block, can reduce the running time of test fixture, improves the testing efficiency of product.
Embodiment three
Referring to shown in Figure 5, the structure of the present embodiment and embodiment one is basic identical, and difference is:
On the one hand, the needle-bar 14 of test described in the present embodiment is located at the bottom of described the second slide block 8, rather than is located on the described support plate 13.Such benefit is, is convenient to measured piece 12 picking and placeing on described support plate 13, and can be as embodiment one, the inconvenience that causes measured piece to pick and place at described support plate because be provided with the test needle-bar above described support plate.
On the other hand, in the present embodiment, described the first slide block 4 directly links to each other with the front end of the push rod of described cylinder 5, and described spring 10 is cylindrical spring, be set on described the first slide block 4, an end of described spring 10 is resisted against on the described support 3, and the other end is fixedly connected with the front end of described push rod.In the present embodiment, saved described push pedal and described the 3rd slide block among the embodiment one, structure is not only simpler, and compacter.
Again on the one hand, for the ease of the described inclined-plane of described the first slide block end the top of described the second slide block is applied downward pressure, so that described the second slide block moves down along described vertical track, in the present embodiment, be provided with bearing 16 on the top of described the second slide block 8, the rotatable parts such as cylinder or ball, described bearing 16, the rotatable parts such as cylinder or ball contact with described the first slide block when described the first slide block moves horizontally, the described inclined-plane of described the first slide block end is by described bearing 16, the rotatable parts such as cylinder or ball apply downward pressure to the top of described the second slide block, like this, the top of the described inclined-plane of described the first slide block end and described the second slide block directly friction be rolling friction.For sliding friction, the described inclined-plane that rolling friction more is conducive to described the first slide block end applies downward pressure to the top of described the second slide block.
Be provided with the structure of the rotatable parts such as bearing, cylinder or ball in the present embodiment on the top of described the second slide block, also can be applicable among above-described embodiment one and the embodiment two; Certainly, the structure that is provided with the second elastomeric element among the embodiment two between described the second slide block and described vertical track also can be applicable in the present embodiment.
Embodiment of the invention test fixture only needs can finish by a pushing action the movement that presses down with the second slide block of moving horizontally of the first slide block, can reduce the running time of test fixture, improves the testing efficiency of product.
The method of testing that the embodiment of the invention also provides a kind of test fixture that utilizes the various embodiments described above to test, wherein measured piece is positioned on the support plate, and this method of testing may further comprise the steps:
S1, thrust unit promote the first slide block and support moves horizontally together;
S2, described support run into limiting component stop mobile after, described thrust unit promotes described the first slide block to be continued to move horizontally;
The inclined-plane of S3, described the first slide block end applies downward pressure to the top of the second slide block;
S4, described the second slide block are stressed to be moved down afterwards along vertical track;
Exert pressure to the test needle-bar in the lower end of S5, described the second slide block, the stressed rear drive testing needle of described test needle-bar moves down with measured piece and joins.
After testing needle and described measured piece joined, the external testing program start was to the test of described measured piece.
Embodiment of the invention method of testing promotes the first slide block and support and moves horizontally together; Described support run into limiting component stop mobile after, promote described the first slide block and continue to move horizontally; The inclined-plane of described the first slide block end applies downward pressure to the top of the second slide block; Described the second slide block is stressed to be moved down afterwards along vertical track, only needs can finish by a pushing action the movement that presses down with the second slide block of moving horizontally of the first slide block, can reduce the running time of test fixture, improves the testing efficiency of product.
Wherein, the inclined-plane of described the first slide block end applies downward pressure to the top of the second slide block and is specially: the inclined-plane of described the first slide block end applies downward pressure to the top of the second slide block mode by rolling friction.For sliding friction, the described inclined-plane that rolling friction more is conducive to described the first slide block end applies downward pressure to the top of described the second slide block.
Further, the lower end of described the second slide block the test needle-bar is exerted pressure measured piece tested after, also comprise: after moving the top institute applied pressure of removing described the second slide block backward under the pulling of described the first slide block at thrust unit, described the second slide block moves up along described vertical track under the effect of the second elastomeric element and resets, so that carry out the test of next measured piece.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. a test fixture comprises base, it is characterized in that,
Be provided with horizontal rail at described base, be provided with the support that can move horizontally in described horizontal rail;
On described base, also be provided with the support plate for the carrying measured piece;
Be provided with first slide block that can move with respect to described support level at described support, an end of described the first slide block has the inclined-plane, and the other end of described the first slide block links to each other with thrust unit;
On described support, have the below of an end on described inclined-plane corresponding to described the first slide block, be provided with vertical track, be mounted slidably the second slide block at described vertical track;
Between described support and described thrust unit, be provided with the first elastomeric element;
On described base, the mobile route that is positioned at described support is provided with limiting component;
After described thrust unit promoted described the first slide block and is moved horizontally to preset distance together with described support, described support is subject to stopping of described limiting component to be stopped to move horizontally; Described thrust unit promotes described the first slide block to be continued to move horizontally, and the described inclined-plane of described the first slide block end applies downward pressure to the top of described the second slide block, and described the second slide block moves down along described vertical track.
2. test fixture according to claim 1 is characterized in that,
The top of described the second slide block is provided with bearing, and described bearing contacts with described the first slide block when described the first slide block moves horizontally.
3. test fixture according to claim 1 and 2 is characterized in that, described thrust unit is single cylinder.
4. test fixture according to claim 1 and 2 is characterized in that,
Described thrust unit has telescopic push rod, is provided with push pedal in the end of described push rod, and described the first slide block links to each other with the push rod of described thrust unit by described push pedal;
Be provided with the 3rd slide block in the lower end of described push pedal;
Described the first elastomeric element is located on the described support, and the one end is connected with described the 3rd slide block, and the other end is connected with described support.
5. test fixture according to claim 1 and 2 is characterized in that,
Described thrust unit has telescopic push rod, is provided with push pedal in the end of described push rod; Described the first slide block links to each other with the push rod of described thrust unit by described push pedal;
Described the first elastomeric element is located on the described support, and the one end links to each other with the lower end of described push pedal, and the other end links to each other with described support.
6. test fixture according to claim 1 and 2 is characterized in that,
Described thrust unit has telescopic push rod,
Described the first slide block links to each other with the push rod of described thrust unit;
Described the first elastomeric element is spring, and described spring housing is located on described the first slide block, and an end of described spring is resisted against on the described support, and the other end is fixedly connected with the front end of described push rod.
7. test fixture according to claim 1 is characterized in that,
Between described vertical track and described the second slide block, be provided with the second elastomeric element.
8. a right to use requires the method for testing of each described test fixture in 1 to 7, and wherein measured piece is positioned on the support plate, it is characterized in that, this method of testing comprises:
Thrust unit promotes the first slide block and support moves horizontally together;
Described support run into limiting component stop mobile after, described thrust unit promotes described the first slide block to be continued to move horizontally;
The inclined-plane of described the first slide block end applies downward pressure to the top of the second slide block;
Described the second slide block is stressed to be moved down afterwards along vertical track;
Exert pressure to the test needle-bar in the lower end of described the second slide block, the stressed rear drive testing needle of described test needle-bar moves down with measured piece and joins.
9. method of testing according to claim 8, it is characterized in that, the inclined-plane of described the first slide block end applies downward pressure to the top of the second slide block and is specially: the inclined-plane of described the first slide block end applies downward pressure to the top of the second slide block mode by rolling friction.
10. method of testing according to claim 8 is characterized in that, in the lower end of described the second slide block the test needle-bar being exerted pressure also comprises after measured piece tested:
Described the first slide block moves the top institute applied pressure of removing described the second slide block backward under the pulling of thrust unit;
Described the second slide block moves up along described vertical track under the effect of the second elastomeric element and resets.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/075645 WO2011150873A2 (en) | 2011-06-13 | 2011-06-13 | Testing fixture and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102203564A CN102203564A (en) | 2011-09-28 |
| CN102203564B true CN102203564B (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180000552.7A Active CN102203564B (en) | 2011-06-13 | 2011-06-13 | Test fixture and test method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102203564B (en) |
| WO (1) | WO2011150873A2 (en) |
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| CN102759641A (en) * | 2012-07-03 | 2012-10-31 | 昆山迈致治具科技有限公司 | Opposite-insertion testing clamp |
| CN103176079A (en) * | 2013-02-19 | 2013-06-26 | 江苏和利普激光科技有限公司 | Sensor module laser frequency modulation tool |
| CN104634372B (en) * | 2015-02-15 | 2017-03-22 | 易测智能科技（天津）有限公司 | Terminal positioning device and positioning method for testing of mobile terminals |
| CN105158524B (en) * | 2015-08-25 | 2018-02-13 | 贵州航天计量测试技术研究所 | A kind of Universal test clamping apparatus of the pole component of surface mount two |
| CN106680590B (en) * | 2015-11-11 | 2019-07-12 | 上海西门子线路保护系统有限公司 | Dielectric property test device |
| CN105424988A (en) * | 2015-12-10 | 2016-03-23 | 苏州世纪福智能装备股份有限公司 | Detection apparatus |
| CN108828277B (en) * | 2018-08-24 | 2024-03-26 | 苏州艾微视图像科技有限公司 | Clamp for opening and closing |
| CN112296537B (en) * | 2020-10-23 | 2022-05-17 | 中国空气动力研究与发展中心高速空气动力研究所 | Transition tape cutting laser emission aligning device |
| CN112296538B (en) * | 2020-10-23 | 2022-04-19 | 中国空气动力研究与发展中心高速空气动力研究所 | Transition tape cutting machine |
| CN113075490B (en) * | 2021-04-07 | 2022-09-23 | 山东联创高科自动化有限公司 | Frequency converter testing device and testing method thereof |
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| JP2001074776A (en) * | 1999-09-02 | 2001-03-23 | Apollo Mec:Kk | Measuring probe |
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| CN2857032Y (en) * | 2005-12-20 | 2007-01-10 | 华为技术有限公司 | Circuit board tester |
| CN101441226A (en) * | 2008-12-08 | 2009-05-27 | 深圳华为通信技术有限公司 | Testing jig and test method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102203564A (en) | 2011-09-28 |
| WO2011150873A2 (en) | 2011-12-08 |
| WO2011150873A3 (en) | 2012-05-10 |
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