CN104089816A - Test fixture - Google Patents
Test fixture Download PDFInfo
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- CN104089816A CN104089816A CN201410280221.9A CN201410280221A CN104089816A CN 104089816 A CN104089816 A CN 104089816A CN 201410280221 A CN201410280221 A CN 201410280221A CN 104089816 A CN104089816 A CN 104089816A
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- workplace
- liquid crystal
- test fixture
- surface mount
- crystal board
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a test fixture for testing the bending strength of a surface mount element and/or the peel strength of a liquid crystal plate. The test fixture comprises a pressing head, a pressing head pin, a supporting frame and a bottom plate; the pressing head and the pressing head pin are both connected with an external computer tension meter, and perform rectilinear motion under driving of the external computer tension meter; the supporting frame comprises a first working face and a second working face; the first working face is provided with supporting parts used for supporting the end part of the surface mount element so as to make the middle part of the surface mount element hanging in the air; the bottom plate comprises a third working face; the supporting frame and the bottom plate is in detachable connection, clamp and fix the liquid crystal plate respectively by the second working face and the third working face, and make the liquid crystal plate partially exposed to the outside of clamping positions of the second working face and the third working face. The test fixture has the advantages of reasonable design, simple structure, low cost and convenient use, and not only can perform a bending test but also can perform a peel strength test.
Description
Technical field
The present invention relates to household electrical appliances element test field, particularly a kind of test fixture.
Background technology
Surface mount elements and liquid crystal material are the vitals during household electrical appliances are produced.The environment for use that surface mount elements is intrinsic according to it, need to test its resistant to bending performance, and liquid crystal material is subject to the impact of liquid crystal material (silicon dioxide), need test its peel strength.
At present, carrying out these two kinds tests needs two kinds of fixtures, does not carry out a kind of test and need to change corresponding fixture, not only lose time, and the course of work is very loaded down with trivial details.
Summary of the invention
The object of this invention is to provide a kind of reasonable in designly, simple in structure, with low cost, can carry out counter-bending test and can carry out the test fixture of peel strength test again.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of test fixture, for the peel strength of the bending strength of surface mount elements and/or liquid crystal board is tested, described liquid crystal board comprises: slide and LCD panel, described slide comprises bonding zone and non-bonding zone, described LCD panel is bonded in described bonding zone, comprising: pressure head, pressure head pin, bracing frame and base plate;
Described pressure head is all connected with external computer tautness meter with described pressure head pin, and externally under the driving of computer tautness meter, does rectilinear motion;
Support frame as described above comprises: the first workplace and the second workplace;
On described the first workplace, support portion is set, for supporting the end of described surface mount elements, makes described surface mount elements middle part unsettled, described pressure head externally under the driving of computer tautness meter to described surface mount elements motion, and push suspension area, described surface mount elements middle part;
Described base plate comprises the 3rd workplace;
Support frame as described above and described base plate removably connect, and by described the second workplace and described the 3rd workplace, described liquid crystal board is gripped respectively, and described liquid crystal board is partly exposed outside the clip position of described the second workplace and described the 3rd workplace, described pressure head pin externally moves and pushes the non-bonding zone of described liquid crystal board exposed parts to described liquid crystal board under the driving of computer tautness meter.
In an embodiment, described the first workplace and described the second workplace are oppositely arranged therein.
In an embodiment, on described the 3rd workplace, accommodation section is set therein, described accommodation section is the depression that shape and the suitable degree of depth of described liquid crystal board are less than described liquid crystal board thickness.
In an embodiment, pin hole is set on support frame as described above therein, described pressure head pin passes described pin hole, and does rectilinear motion in described pin hole.
In an embodiment, support frame as described above comprises jut therein, and described pin hole is arranged on described jut.
In an embodiment, through hole is set on support frame as described above therein, on described base plate, screw is set, described through hole is corresponding with described screw;
Screw passes described through hole and is connected with described screw, thereby support frame as described above is fixedly connected with described base plate.
In an embodiment, the quantity of described through hole is at least two therein, and described screw is identical with the quantity of described through hole, and corresponding one by one with described through hole.
In an embodiment, described support portion is the cuboid being fixedly connected with described the first workplace, and quantity is two or more therein.
In an embodiment, on described the first workplace, limiting section is set therein, for limiting the position of surface mount elements.
Test fixture of the present invention, by adopting bracing frame to comprise: the first workplace and the second workplace, on the first workplace, support portion is set, bracing frame and base plate removably connect, and by the second workplace and the 3rd workplace liquid crystal board, grip such frame mode respectively, it is had reasonable in design, simple in structure, with low cost, easy to use, can carry out counter-bending test and can carry out the advantage of peel strength test again.
Accompanying drawing explanation
Fig. 1 is test fixture one example structure exploded perspective view of the present invention;
Wherein: 1 pressure head; 2 pressure head pins; 3 bracing frames; 4 base plates; 5 first workplaces; 6 second workplaces; 7 support portions; 8 the 3rd workplaces; 9 accommodation sections; 10 pin holes; 11 juts; 12 through holes; 13 screws.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, test fixture of the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, a kind of test fixture, for the peel strength of the bending strength of surface mount elements and/or liquid crystal board is tested, liquid crystal board comprises slide and LCD panel, slide comprises bonding zone and non-bonding zone, LCD panel is bonded in bonding zone, and this test fixture comprises pressure head 1, pressure head pin 2, bracing frame 3 and base plate 4; Pressure head 1 is all connected with external computer tautness meter with pressure head pin 2, and externally under the driving of computer tautness meter, does rectilinear motion; Bracing frame 3 comprises the first workplace 5 and the second workplace 6; On the first workplace 5, support portion 7 is set, for the end of support sticker piece element, makes surface mount elements middle part unsettled, pressure head externally under the driving of computer tautness meter to surface mount elements motion, and push suspension area, surface mount elements middle part; Base plate 4 comprises the 3rd workplace 8; Bracing frame 3 and base plate 4 removably connect, and by the second workplace 6 and the 3rd workplace 8, liquid crystal board is gripped respectively, and liquid crystal board is partly exposed outside the clip position of the second workplace 6 and the 3rd workplace 8, pressure head pin 2 externally moves and pushes the non-bonding zone of liquid crystal board exposed parts to liquid crystal board under the driving of computer tautness meter.Can make like this this fixture test the bending strength of surface mount elements, can test the peel strength of liquid crystal board again, realized the two-in-one of function, when carrying out these two kinds tests, do not need to change fixture, save the time, improved work efficiency, can guarantee the accuracy of test result simultaneously.
As a kind of embodiment, the first workplace 5 and the second workplace 6 are oppositely arranged.Can reduce the volume of bracing frame 3 like this, save space.
As a kind of embodiment, on the 3rd workplace 8, accommodation section 9 is set, accommodation section 9 is the depression that shape and the suitable degree of depth of liquid crystal board are less than liquid crystal board thickness.By the restriction of 9 pairs of liquid crystal board positions, accommodation section, can make bracing frame 3 and base plate 4 by the second workplace 6 and the 3rd workplace 8, liquid crystal board clamping is more firm.When peeling off test, can there is not change in location because of the acting force bearing from pressure head pin 2 in liquid crystal board, guaranteed the accuracy of test result.
As a kind of embodiment, pin hole 10 is set on bracing frame 3, pressure head pin 2 passes pin hole 10, and does rectilinear motion in pin hole 10.Pin hole 10 can be arranged on to position corresponding with the non-bonding zone of liquid crystal board exposed parts on bracing frame 3, by the restriction of 10 pairs of pressure head pins 2 of pin hole, pressure head pin 2 can be applied to acting force on the non-bonding zone of liquid crystal board exposed parts exactly in test process, the accuracy of test, can also guarantee the linearity of pressure head pin 2 motions, guarantee carrying out smoothly of test job simultaneously.
As a kind of embodiment, bracing frame 3 comprises jut 11, and pin hole 10 is arranged on jut 11.Jut 11 does not need excessive, as long as can meet, pin hole 10 is set, and can reduce like this making materials of bracing frame 3, and reduces the weight of bracing frame 3, has not only saved cost of manufacture, is convenient to the operation of personnel to test fixture simultaneously.
As a kind of embodiment, through hole 12 is set on bracing frame 3, screw 13 is set on base plate 4, through hole 12 and screw 13 are corresponding; Screw passes through hole 12 and is connected with screw 13, thereby bracing frame 3 is fixedly connected with base plate 4.By screw, bracing frame 3 and base plate 4 are linked together, can guarantee the firm of 4 pairs of liquid crystal board clampings of bracing frame 3 and base plate, and be convenient to installation and removal, operate very convenient.
As a kind of embodiment, the quantity of through hole 12 is at least two, and screw 13 is identical with the quantity of through hole 12, and corresponding one by one with through hole.Can make like this 4 pairs of liquid crystal board clampings of bracing frame 3 and base plate more solid and reliable, guarantee carrying out smoothly of test.
As a kind of embodiment, the cuboid of support portion 7 for being fixedly connected with the first workplace 5, and quantity is two or more.The two ends of surface mount elements are placed on respectively on two support portions 7, and middle formation is unsettled, can guarantee the stability of surface mount elements control, operate very simple.
As a kind of embodiment, on the first workplace 5, limiting section (not shown) is set, for limiting the position of surface mount elements.When surface mount elements is placed on support portion 7, the edge of surface mount elements abuts on limiting section, can either guarantee the accuracy of surface mount elements placement location, can avoid again surface mount elements landing from support portion 7 simultaneously.
The test fixture of the embodiment of the present invention, has reasonable in design, simple in structure, with low costly, simple to operate, can carry out counter-bending test and can carry out the advantage of peel strength test again.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a test fixture, for the peel strength of the bending strength of surface mount elements and/or liquid crystal board is tested, described liquid crystal board comprises: slide and LCD panel, and described slide comprises bonding zone and non-bonding zone, described LCD panel is bonded in described bonding zone, it is characterized in that:
Comprise: pressure head, pressure head pin, bracing frame and base plate;
Described pressure head is all connected with external computer tautness meter with described pressure head pin, and externally under the driving of computer tautness meter, does rectilinear motion;
Support frame as described above comprises: the first workplace and the second workplace;
On described the first workplace, support portion is set, for supporting the end of described surface mount elements, makes described surface mount elements middle part unsettled, described pressure head externally under the driving of computer tautness meter to described surface mount elements motion, and push suspension area, described surface mount elements middle part;
Described base plate comprises the 3rd workplace;
Support frame as described above and described base plate removably connect, and by described the second workplace and described the 3rd workplace, described liquid crystal board is gripped respectively, and described liquid crystal board is partly exposed outside the clip position of described the second workplace and described the 3rd workplace, described pressure head pin externally moves and pushes the non-bonding zone of described liquid crystal board exposed parts to described liquid crystal board under the driving of computer tautness meter.
2. test fixture according to claim 1, is characterized in that:
Described the first workplace and described the second workplace are oppositely arranged.
3. test fixture according to claim 1 and 2, is characterized in that:
On described the 3rd workplace, accommodation section is set, described accommodation section is the depression that shape and the suitable degree of depth of described liquid crystal board are less than described liquid crystal board thickness.
4. test fixture according to claim 3, is characterized in that:
Pin hole is set on support frame as described above, and described pressure head pin passes described pin hole, and does rectilinear motion in described pin hole.
5. test fixture according to claim 4, is characterized in that:
Support frame as described above comprises jut, and described pin hole is arranged on described jut.
6. test fixture according to claim 1 and 2, is characterized in that:
Through hole is set on support frame as described above, on described base plate, screw is set, described through hole is corresponding with described screw;
Screw passes described through hole and is connected with described screw, thereby support frame as described above is fixedly connected with described base plate.
7. test fixture according to claim 6, is characterized in that:
The quantity of described through hole is at least two, and described screw is identical with the quantity of described through hole, and corresponding one by one with described through hole.
8. test fixture according to claim 1 and 2, is characterized in that:
The cuboid of described support portion for being fixedly connected with described the first workplace, and quantity is two or more.
9. test fixture according to claim 1 and 2, is characterized in that:
On described the first workplace, limiting section is set, for limiting the position of surface mount elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280221.9A CN104089816B (en) | 2014-06-20 | 2014-06-20 | Test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410280221.9A CN104089816B (en) | 2014-06-20 | 2014-06-20 | Test fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104089816A true CN104089816A (en) | 2014-10-08 |
| CN104089816B CN104089816B (en) | 2016-08-31 |
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| CN201410280221.9A Active CN104089816B (en) | 2014-06-20 | 2014-06-20 | Test fixture |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892112A (en) * | 2016-06-20 | 2016-08-24 | 深圳市华星光电技术有限公司 | Frame glue adhesion detecting device for liquid crystal display |
| CN105911727A (en) * | 2016-06-15 | 2016-08-31 | 武汉华星光电技术有限公司 | Drawing performance test fixture and drawing performance test method for full-lamination display device |
| CN106353251A (en) * | 2016-08-23 | 2017-01-25 | 武汉华星光电技术有限公司 | Pulling force measuring device |
| CN108469583A (en) * | 2018-05-28 | 2018-08-31 | 格力电器（郑州）有限公司 | A kind of ICT tester |
| CN109001024A (en) * | 2018-06-26 | 2018-12-14 | 嘉善优耐特滑动轴承厂 | A kind of tension grip component |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911727A (en) * | 2016-06-15 | 2016-08-31 | 武汉华星光电技术有限公司 | Drawing performance test fixture and drawing performance test method for full-lamination display device |
| CN105892112A (en) * | 2016-06-20 | 2016-08-24 | 深圳市华星光电技术有限公司 | Frame glue adhesion detecting device for liquid crystal display |
| CN106353251A (en) * | 2016-08-23 | 2017-01-25 | 武汉华星光电技术有限公司 | Pulling force measuring device |
| CN108469583A (en) * | 2018-05-28 | 2018-08-31 | 格力电器（郑州）有限公司 | A kind of ICT tester |
| CN108469583B (en) * | 2018-05-28 | 2024-03-22 | 格力电器（郑州）有限公司 | ICT tester |
| CN109001024A (en) * | 2018-06-26 | 2018-12-14 | 嘉善优耐特滑动轴承厂 | A kind of tension grip component |
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| Publication number | Publication date |
|---|---|
| CN104089816B (en) | 2016-08-31 |
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