CN103048189A - Test fixture for binding strength of composite contact - Google Patents
Test fixture for binding strength of composite contact Download PDFInfo
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- CN103048189A CN103048189A CN2012104851973A CN201210485197A CN103048189A CN 103048189 A CN103048189 A CN 103048189A CN 2012104851973 A CN2012104851973 A CN 2012104851973A CN 201210485197 A CN201210485197 A CN 201210485197A CN 103048189 A CN103048189 A CN 103048189A
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- mold
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- test fixture
- mould
- die holder
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Abstract
The invention relates to a test fixture for the binding strength of a composite contact. The test fixture comprises two mold seats, a head fixing mold and a foot fixing mold, wherein the mold seats are two steel blocks of the same shape, the two mold seats are reversely and oppositely arranged, two guide columns are arranged on the inner sidewall of each mold seat in a side-by-side manner, the guide columns are matched with corresponding guide holes in relative mold seats, middle corresponding positions of the mold seats are vertically provided with mold mounting through holes, the head fixing mold and the foot fixing mold are respectively mounted in the mold mounting through holes of the two mold seats, the middle of the upper end of the head fixing mold is provided with a truncated-cone-shaped indent which is matched with the head shape of the contact, the middle of the upper end of the foot fixing mold is provided with a sunk hole which is matched with the foot shape of the contact, and the truncated-cone-shaped indent and the sunk hole are formed facing to each other. According to the test fixture for the binding strength of the composite contact, the structure is simple, the mounting and clamping are convenient, the head and foot of the contact can be effectively clamped, and a binding face is enabled to be independently stressed, so that the test data is accurate.
Description
Technical field
The present invention relates to the production equipment field of relay contact, particularly relate to a kind of test fixture of composite contact bonding strength.
Background technology
The contact is ingredient important in the relay, its performance is subjected to very large impact of following factor, material such as the contact, institute's making alive and current value (voltage and current waveform when particularly making contact excitation and de-energisation), the type of load, frequency of operation, atmospheric environment, contact configurations and beating, mostly present contact is the combination of copper and silver compound, the large percentage that accounts for of copper wherein, and the bond strength of silver compound and copper is most important to its overall performance, often needs to carry out in bulk the test of bond strength after produce the contact, but the small volume of contact, faying face is also very little, how in connection with two parts respectively clamping be a very large difficult problem.
Summary of the invention
Technical matters to be solved by this invention provides a kind of test fixture of composite contact bonding strength, and is simple in structure, convenient mounting and clamping, and effectively the head of clamping contact and foot make faying face stressed separately, and test data is accurate.
The technical solution adopted for the present invention to solve the technical problems is: the test fixture that a kind of composite contact bonding strength is provided, comprise die holder, head fixed mould and instep fixed mould, described die holder is two block-shaped identical blooms, described two reverse positioned opposite of die holder, all be arranged side by side with two guide pillars on the madial wall of described die holder, guide hole corresponding on described guide pillar and the relative die holder matches, corresponding position, the centre of described die holder all vertically has mould through hole is installed, the mould of described two die holders is installed in the through hole and is separately installed with head fixed mould and instep fixed mould, have the truncated cone-shaped indent that the nose shape with the contact matches in the middle of the lower end of described head fixed die, have the counterbore that the feet shape with the contact matches in the middle of the upper end of described instep fixed mould, described truncated cone-shaped indent and counterbore positioned opposite.
Be equipped with in the middle of the rear end of described die holder and be connected and fixed post.
The upper end sidewall of described head fixed die and instep fixed mould all has one section locating slot.
The side that the mould of described die holder is installed through hole is equipped with and bolt, and position and the locating slot of described bolt match.
Described instep fixed mould is comprised of splicing block and the die ontology of upper end, and described counterbore is divided into two along its center line, its half on splicing block, second half is on die ontology, described splicing block and die ontology splicing form counterbore.
Beneficial effect
The present invention relates to a kind of test fixture of composite contact bonding strength, simple in structure, convenient mounting and clamping, effectively the head of clamping contact and foot make faying face stressed separately, and test data is accurate.
Description of drawings
Fig. 1 is that the master of device of the present invention looks cut-open view;
Fig. 2 is that the master of device of the present invention looks decomposition chart;
Fig. 3 is the side-looking structural drawing of die holder of the present invention;
Fig. 4 be instep fixed mould of the present invention partly cut open structural drawing;
Fig. 5 is the plan structure figure of instep fixed mould of the present invention;
Fig. 6 be head fixed mould of the present invention partly cut open structural drawing;
Fig. 7 is the plan structure figure of head fixed mould of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Shown in Fig. 1-7, embodiments of the present invention relate to a kind of test fixture of composite contact bonding strength, comprise die holder 1, head fixed mould 4 and instep fixed mould 3, described die holder 1 is two block-shaped identical blooms, described two die holders, 1 reverse positioned opposite, all be arranged side by side with two guide pillars 11 on the madial wall of described die holder 1, guide hole 15 corresponding on described guide pillar 11 and the relative die holder 1 matches, corresponding position, the centre of described die holder 1 all vertically has mould through hole 2 is installed, the mould of described two die holders 1 is installed in the through hole 2 and is separately installed with head fixed mould 4 and instep fixed mould 3, have the truncated cone-shaped indent 41 that the nose shape with the contact matches in the middle of the upper end of described head fixed die 4, have the counterbore 31 that the feet shape with the contact matches in the middle of the upper end of described instep fixed mould 3, described truncated cone-shaped indent 41 and counterbore 31 positioned opposite.
Be equipped with in the middle of the rear end of described die holder 1 and be connected and fixed post 13.
The upper end sidewall of described head fixed die 4 and instep fixed mould 3 all has one section locating slot 14.
The side that the mould of described die holder 1 is installed through hole 2 is equipped with and bolt 12, and the position of described bolt 12 and locating slot 14 match.
Described instep fixed mould 3 is comprised of splicing block 32 and the die ontology 33 of upper end, described counterbore 31 is divided into two along its center line, its half on splicing block 32, second half is on die ontology 33, described splicing block 32 and die ontology 33 splicings form counterbores 31.
The mould that instep fixed mould 3 is placed into one of them die holder 1 is installed in the through hole 2, the composite contact of needs test is placed in the counterbore 31, then rotational positioning bolt 12 withstands in the locating slot 14 of instep fixed mould 3 sidewalls bolt 12, by splicing block 32 composite contact is clamped.Then this die holder 1 and another die holder 1 are merged, the guide pillar 11 of two die holders 1 is through in the corresponding guide hole 15.Then head fixed mould 4 is put into that empty die holder 2 down, the head of composite contact is embedded in the truncated cone-shaped indent 41, then with bolt 12 that head fixed mould 4 is fixing.
The anchor clamps that assembling is finished are placed on above the tension tester, two test pull bars of tension tester link to each other with the post 13 that is connected and fixed of two die holders 1 respectively, then start tension tester, the test pull bar at two is exerted oneself simultaneously, two die holders 1 are pulled open, this moment, the head of composite contact just separated with foot, just can test out the bond strength of composite contact at tension tester.
Claims (5)
1. the test fixture of a composite contact bonding strength, comprise die holder (1), head fixed mould (4) and instep fixed mould (3), it is characterized in that, described die holder (1) is two block-shaped identical blooms, described two die holders (1) are positioned opposite oppositely, all be arranged side by side with two guide pillars (11) on the madial wall of described die holder (1), described guide pillar (11) matches with the upper corresponding guide hole (15) of relative die holder (1), corresponding position, the centre of described die holder (1) all vertically has mould through hole (2) is installed, the mould of described two die holders (1) is installed in the through hole (2) and is separately installed with head fixed mould (4) and instep fixed mould (3), have the truncated cone-shaped indent (41) that the nose shape with the contact matches in the middle of the lower end of described head fixed die (4), have the counterbore (31) that the feet shape with the contact matches in the middle of the upper end of described instep fixed mould (3), described truncated cone-shaped indent (41) and counterbore (31) positioned opposite.
2. the test fixture of a kind of composite contact bonding strength according to claim 1 is characterized in that: be equipped with in the middle of the rear end of described die holder (1) and be connected and fixed post (13).
3. the test fixture of a kind of composite contact bonding strength according to claim 1, it is characterized in that: the upper end sidewall of described head fixed die (4) and instep fixed mould (3) all has one section locating slot (14).
4. the test fixture of a kind of composite contact bonding strength according to claim 1, it is characterized in that: the side that the mould of described die holder (1) is installed through hole (2) is equipped with and bolt (12), and the position of described bolt (12) and locating slot (14) match.
5. the test fixture of a kind of composite contact bonding strength according to claim 1, it is characterized in that: described instep fixed mould (3) is comprised of splicing block (32) and the die ontology (33) of upper end, described counterbore (31) is divided into two along its center line, its half on splicing block (32), second half is on die ontology (33), and described splicing block (32) and die ontology (33) splicing form counterbore (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104851973A CN103048189A (en) | 2012-11-23 | 2012-11-23 | Test fixture for binding strength of composite contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104851973A CN103048189A (en) | 2012-11-23 | 2012-11-23 | Test fixture for binding strength of composite contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103048189A true CN103048189A (en) | 2013-04-17 |
Family
ID=48060911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104851973A Pending CN103048189A (en) | 2012-11-23 | 2012-11-23 | Test fixture for binding strength of composite contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103048189A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041814U (en) * | 1988-09-01 | 1989-07-26 | 北京有色金属研究总院 | Fixture for measuring metal |
| JP2000314690A (en) * | 1999-05-07 | 2000-11-14 | Shimadzu Corp | Gripper device for plywood |
| US6237422B1 (en) * | 1997-12-13 | 2001-05-29 | Dage Precision Industries Ltd. | Apparatus and method for testing strength of electrical bond sites on semiconductor devices |
| CN2779379Y (en) * | 2004-12-24 | 2006-05-10 | 西北工业大学 | Test fixture for shear intensity of joint |
| CN201681020U (en) * | 2010-05-14 | 2010-12-22 | 苏州热工研究院有限公司 | Fixture for toroidal tensile test of thin pipe |
-
2012
- 2012-11-23 CN CN2012104851973A patent/CN103048189A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041814U (en) * | 1988-09-01 | 1989-07-26 | 北京有色金属研究总院 | Fixture for measuring metal |
| US6237422B1 (en) * | 1997-12-13 | 2001-05-29 | Dage Precision Industries Ltd. | Apparatus and method for testing strength of electrical bond sites on semiconductor devices |
| JP2000314690A (en) * | 1999-05-07 | 2000-11-14 | Shimadzu Corp | Gripper device for plywood |
| CN2779379Y (en) * | 2004-12-24 | 2006-05-10 | 西北工业大学 | Test fixture for shear intensity of joint |
| CN201681020U (en) * | 2010-05-14 | 2010-12-22 | 苏州热工研究院有限公司 | Fixture for toroidal tensile test of thin pipe |
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Application publication date: 20130417 |