CN207318244U - A kind of test sample and its test device - Google Patents
A kind of test sample and its test device Download PDFInfo
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- CN207318244U CN207318244U CN201721395812.6U CN201721395812U CN207318244U CN 207318244 U CN207318244 U CN 207318244U CN 201721395812 U CN201721395812 U CN 201721395812U CN 207318244 U CN207318244 U CN 207318244U
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Abstract
A kind of test sample and its test device, including the first exemplar and the second exemplar are the utility model is related to；The bottom of first exemplar is equipped with the first groove for being used for accommodating glue to be tested, first exemplar is with second exemplar in connection status, first exemplar is staggered up and down with second exemplar, and the both ends of first exemplar and second exemplar are respectively provided with extension；First groove is located at first exemplar and the second exemplar junction.The prior art is distinguished, the utility model can effectively control the thickness of glue, ensure the accuracy of test result；Drawing force is changed into pressure, prevents the appearance of eccentric situation, improves the accuracy of test.
Description
Technical field
Structure glue technical field of measurement and test is the utility model is related to, more particularly to a kind of test sample and its test device.
Background technology
In the prior art, during to structure glue mechanical property tensile strength testing, the glue thickness in test sample
Do not control accurately, can not ensure the accuracy of the data after testing multiple test samples.And during the test, it is difficult
To ensure pulling force point-blank, there is a situation where bias, test sample is subject to unnecessary shearing force and Moment Influence, can not
Ensure that it tests the accurate of pulling force.
Utility model content
For this reason, it may be necessary to provide a kind of test sample and its test device, glue thickness can accurately be controlled and prevented partially
The appearance of mood condition.
To achieve the above object, a kind of test sample, including the first exemplar and the second exemplar are inventor provided；
The bottom of first exemplar, which is equipped with, is used to accommodating the first groove of glue to be tested, first exemplar with it is described
In connection status, first exemplar and second exemplar are staggered second exemplar up and down, and first exemplar with
The both ends of second exemplar are respectively provided with extension；
First groove is located at first exemplar and the second exemplar junction.
As a kind of preferred structure of the utility model, the depth of first groove is the thickness of glue to be tested.
As a kind of preferred structure of the utility model, the bottom of first exemplar is additionally provided with the second groove, and described
One groove is arranged on the bottom of second groove, and the width of first groove is less than the width of second groove, institute
State the second groove and be used for first exemplar and second exemplar in connection status, second exemplar is positioned.
As a kind of preferred structure of the utility model, the width at the top of second exemplar is more than first groove
Width, and less than the width of second groove.
As a kind of preferred structure of the utility model, first exemplar and second exemplar in connection status,
First exemplar is to be mutually perpendicular to interlock with second exemplar.
As a kind of preferred structure of the utility model, the cross sectional shape of first exemplar and second exemplar is more
Side shape.
It is different from the prior art, the first groove that above-mentioned technical proposal is equipped with by the bottom of the first exemplar, the first groove
Depth be exactly glue to be tested thickness, can effectively control the thickness of glue, ensure the accuracy of test result；Second sample
Part is pasted onto the bottom of the first exemplar by glue to be tested, and the first exemplar is staggered up and down with the second exemplar, by the first sample
The both ends extension of part is fixed on pedestal, so that by the both ends extension of the second exemplar of top pressure, by under the second exemplar top
Go, drawing force is changed into pressure, prevent the appearance of eccentric situation, improve the accuracy of test.
To achieve the above object, inventor additionally provides a kind of test device, for testing any institute of inventor's offer
The test sample stated, including press strip and pedestal；
The pedestal is used to place the test sample, be equipped with the pedestal groove that is used for avoiding the second exemplar or
Through hole；
The both ends of the press strip are equipped with the protrusion for the second exemplar of top pressure, are equipped with and first in the middle part of the bottom surface of the press strip
The 3rd groove that exemplar is adapted, the depth of the 3rd groove are more than the height of the first exemplar.
As a kind of preferred structure of the utility model, the pedestal is cuboid, is equipped with the cuboid and is used to keep away
Allow the through hole of the second exemplar.
As a kind of preferred structure of the utility model, the cross sectional shape of the press strip is polygon.
As a kind of preferred structure of the utility model, the first exemplar and the second exemplar are in connection status, the first exemplar
It is arranged in a mutually vertical manner with the second exemplar, the press strip is mutually perpendicular to the first exemplar, and is parallel to each other with the second exemplar.
The prior art is different from, pedestal is used to place the test sample in above-mentioned technical proposal, is equipped with and is used in pedestal
The groove or through hole of the second exemplar are avoided, the first exemplar can be fixed on pedestal, it is by press strip that the second exemplar is downward
Apply pressure, the second exemplar is dropped by groove or through hole, so replaced by the way of the second exemplar is pushed original
The mode of stretching, reduces glue and is subject to unnecessary shearing force and Moment, so as to improve the accuracy of stretching pressure test.
Brief description of the drawings
Fig. 1 is the schematic diagram of prior art glue tensile strength testing；
Fig. 2 is the schematic three dimensional views of test sample and test device in the present embodiment；
Fig. 3 is the schematic three dimensional views of test device in the present embodiment；
Fig. 4 is the front view of test mode in the present embodiment；
Fig. 5 is the top view of test mode in the present embodiment；
Fig. 6 is the schematic three dimensional views of test sample in the present embodiment；
Fig. 7 is the front view of test sample in the present embodiment.
Description of reference numerals：
10th, pedestal；
11st, through hole；
20th, the first exemplar；
21st, the first groove；
22nd, the second groove；
211st, first step；
212nd, second step；
30th, the second exemplar；
40th, press strip；
41st, the 3rd groove；
42nd, it is raised；
60th, glue to be tested.
Embodiment
To describe the technology contents of the utility model, construction feature, the objects and the effects in detail, below in conjunction with implementation
Mode simultaneously coordinates attached drawing to be explained in detail.
Referring to Fig. 1, the present embodiment is related to glue tensile strength testing, its test philosophy is as shown in Figure 1, the second exemplar 30 is logical
The bottom that glue 60 to be tested is pasted onto the first exemplar 20 is crossed, passes through directed force F respectively1、F2Stretching downwards upwards, by the first sample
Part 20 is separated with the second exemplar 30, does glue extension test, obtains the tensile resistence intensity of glue 60 to be tested, in the present embodiment
More particularly to test sample and test device.
As shown in Fig. 2, the present embodiment discloses a kind of test sample and test device, test sample includes the first exemplar
20th, the second exemplar 30, the bottom of the first exemplar 20 are equipped with the first groove 21 for being used for accommodating glue 60 to be tested, the first exemplar 20
With the second exemplar 30 in connection status, the first exemplar 20 is staggered with the second exemplar about 30, and first exemplar 20
Extension is respectively provided with the both ends of second exemplar 30；First groove 21 is located at the first exemplar 20 and connects with the second exemplar 30
Meet place.By the first reserved groove 21, the thickness of glue 60 to be tested can be accurately controlled, ensure that the uniformity of sample.
Change the depth dimensions of the first groove 21, the sample of different bondline thickness can be made, greatly reduce sample preparation cost.
In the present embodiment, the bottom of the first exemplar 20 is additionally provided with the second groove 22, and the first groove 21 is arranged on the second groove
22 bottom, and the width of the first groove 21 is less than the width of the second groove 22.First exemplar 20 and the second exemplar 30 can be with
Various angles intersect, as long as exposing the first exemplar 20, the both ends of the second exemplar 30 respectively, in the present embodiment, the
In connection status, the first exemplar 20 is mutually perpendicular to interlock with the second exemplar 30, facilitates first for one exemplar 20 and the second exemplar 30
The fixation of exemplar 20, also allows for the separation of the second exemplar 30, convenient test.
As shown in figure 3, test device includes pedestal 10 and press strip 40, the both ends of press strip 40, which are equipped with, is used for the second sample of top pressure
The protrusion 42 of part 30, the bottom surface middle part of press strip 40 are equipped with the 3rd groove 41 being adapted with the first exemplar 20, the 3rd groove 41
Depth is more than the height of the first exemplar 20, the size and shape of the 3rd groove 41 and the size and shape phase of the first exemplar 20
Adaptation, the width of the 3rd groove 41 are more than the width of the first exemplar 20, and the purpose of press strip 40 is to avoid the first exemplar 20, is incited somebody to action
Second exemplar 30 is pressed downward, easy to test.
In the present embodiment, pedestal 10 is used to place test sample, and pedestal 10 is cuboid, is equipped among pedestal 10 and is used to keep away
Allowing the through hole 11 of the second exemplar 30, the width of through hole 11 is more than the width of the second exemplar 30, and less than the length of the first exemplar 20,
First exemplar 20 can be fixed on pedestal 10, and the second exemplar 30 smoothly drops in pedestal 10.In other embodiments,
Wherein pedestal 10 can be equipped with the groove for being used for avoiding the second exemplar 30, use other structures in other embodiment, as long as can be with
Realize that the structure for avoiding the second exemplar 30 can be with.The effect of pedestal 10 is to fix the first exemplar 20, and makes the second exemplar 30 can
To be pressed downward.
Further, the cross sectional shape of press strip 40 is polygon, can be triangle, ellipse, rectangle.
In other embodiments, pedestal 10 can have an other embodiment, and pedestal 10 can be by other structures by first
Exemplar 20 is fixed on pedestal 10, and the second exemplar 30 is avoided.
As shown in Figure 4, Figure 5, in test, two end-rack of the first exemplar 20 are on pedestal 10, the first exemplar 20 and second
Exemplar 30 is arranged in a mutually vertical manner, and the second exemplar 30 falls in the through hole 11 of pedestal 10, and press strip 40 is mutually perpendicular to the first exemplar 20,
And it is parallel to each other with the second exemplar 30.Second exemplar 30 is pressed downward by press strip 40, and the first exemplar 20 is fixed on pedestal 10.
The mode originally stretched is replaced by the way of the second exemplar is pushed, glue is reduced and is subject to unnecessary shearing force and Moment,
So as to further improve the accuracy of stretching pressure test.
As shown in Figure 6, Figure 7, test sample includes the first exemplar 20 and the second exemplar 30, and the bottom of the first exemplar 20 is set
It is useful for accommodating the first groove 21 of glue 60 to be tested, the first exemplar 20 is staggered with the second exemplar about 30, and first
The both ends of 20 and second exemplar 30 of exemplar are respectively provided with extension；The bottom of first exemplar 20 is additionally provided with the second groove 22, and first is recessed
Groove 21 is arranged in the second groove 22, and the first groove 21 and the second groove 22 from top to bottom form first step 211 and second
Rank 212；The depth of first step 211 is the thickness of glue 60 to be tested, and in the present embodiment, the depth of first step 211 is
1.2mm, corresponding bondline thickness are 1.2mm.For other bondline thickness, the depth of different first steps 211 can be set,
Other sizes are constant, and in other embodiment, 21 depth of the first groove is 0.2mm, 0.6mm, 1.8mm, 2.2mm etc..
In the present embodiment, the second exemplar 30 is cuboid, and the width at the top of the second exemplar 30 is more than the width of the first groove 21
Degree, and less than the width of the second groove 22.Second exemplar 30 is stuck on second step 212, and can not be moved left and right, accurate control
The thickness of glue water.Second step 212 is adapted with the top junction of the second exemplar 30, for determining the second exemplar 30
Position, prevents 30 double swerve of the second exemplar.
Further, the cross sectional shape of the first exemplar 20 and the second exemplar 30 is polygon, can be triangle, ellipse,
Rectangle, any of which or two kinds of combination.First exemplar 20 and the second exemplar 30 are bar samples, bar-shaped sample or its
His shape sample, in the range of present embodiment.
During use, during sample preparation, first glue is coated in the first groove 21 of the first exemplar 20, its height is slightly above
Middle concave surface, then the second exemplar 30 is slowly buckled on the first exemplar 20, ensure that its both sides is all contacted with cascaded surface, glue
From front and rear outflow.After wiping unnecessary excessive glue off, two exemplars are clamped with clip, are put into oven after sample curing to be tested, will
Its taking-up is placed on pedestal 10, and the second exemplar 30 is placed in the vacant position in centre of pedestal 10, and 20 both ends of the first exemplar are placed on pedestal
On 10.It is placed on the second exemplar 30, is slowly pushed press strip 40 with forcing press, you can measure the drawing of glue by 40 both ends of press strip
Stretch intensity.
Removing excessive glue can be struck off with blade, can also be wiped with cotton swab.Because relatively thin there are part at second step 212
Glue, influences test result, it is viscous that centrifuge agent reduction can also be applied at second step 212 to test result approximate processing
Relay.
The present embodiment can accurately control bondline thickness by the first reserved groove 21, and it is also more convenient to remove excessive glue,
It ensure that the uniformity of sample, avoid the deviation of bondline thickness from having an impact experimental result.Change the depth of the first groove 21
Size, can make the sample of different bondline thickness, greatly reduce sample preparation cost.It is accurate by mach first groove 21
Bondline thickness is controlled, removing excessive glue is easy to operate, and sample preparation can be rapidly completed by hand, can complete high-volume sample preparation in short-term, ensures real
Test progress.The drawing force of relatively conventional bar samples glue-line, in the present embodiment between bar-shaped sample glue-line drawing force measurement operation
It is more simple and easy to do, the interference of other factors is avoided, experimental data is also more true and reliable.
The above description is only the embodiments of the present invention, not thereby limits the scope of patent protection of the utility model,
Every equivalent structure transformation made based on the specification and figures of the utility model, is directly or indirectly used in other phases
The technical field of pass, is equally included in the patent within the scope of the utility model.
Claims (10)
- A kind of 1. test sample, it is characterised in that：Including the first exemplar and the second exemplar；The bottom of first exemplar is equipped with the first groove for being used for accommodating glue to be tested, first exemplar and described second In connection status, first exemplar and second exemplar are staggered exemplar up and down, and first exemplar with it is described The both ends of second exemplar are respectively provided with extension；First groove is located at first exemplar and the second exemplar junction.
- 2. test sample according to claim 1, it is characterised in that：The depth of first groove is glue to be tested Thickness.
- 3. test sample according to claim 2, it is characterised in that：It is recessed that the bottom of first exemplar is additionally provided with second Groove, first groove is arranged on the bottom of second groove, and the width of first groove is less than second groove Width, second groove is used for first exemplar and second exemplar in connection status, to second exemplar Positioned.
- 4. test sample according to claim 3, it is characterised in that：Width at the top of second exemplar is more than described the The width of one groove, and less than the width of second groove.
- 5. test sample according to claim 1, it is characterised in that：First exemplar is being connected with second exemplar During state, first exemplar is to be mutually perpendicular to interlock with second exemplar.
- 6. test sample according to claim 1, it is characterised in that：The section of first exemplar and second exemplar Shape is polygon.
- A kind of 7. test device, for testing any test samples of claim 1-6, it is characterised in that：Including press strip And pedestal；The pedestal is used to place the test sample, and the groove or logical for being used for avoiding the second exemplar is equipped with the pedestal Hole；The both ends of the press strip are equipped with the protrusion for the second exemplar of top pressure, are equipped with and the first exemplar in the middle part of the bottom surface of the press strip The 3rd groove being adapted, the depth of the 3rd groove are more than the height of the first exemplar.
- 8. test device according to claim 7, it is characterised in that：The pedestal is cuboid, is set in the cuboid It is useful for avoiding the through hole of the second exemplar.
- 9. test device according to claim 7, it is characterised in that：The cross sectional shape of the press strip is polygon.
- 10. test device according to claim 7, it is characterised in that：First exemplar and the second exemplar in connection status, First exemplar is arranged in a mutually vertical manner with the second exemplar, and the press strip is mutually perpendicular to the first exemplar, and mutually flat with the second exemplar OK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721395812.6U CN207318244U (en) | 2017-10-26 | 2017-10-26 | A kind of test sample and its test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721395812.6U CN207318244U (en) | 2017-10-26 | 2017-10-26 | A kind of test sample and its test device |
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| Publication Number | Publication Date |
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| CN207318244U true CN207318244U (en) | 2018-05-04 |
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| CN201721395812.6U Active CN207318244U (en) | 2017-10-26 | 2017-10-26 | A kind of test sample and its test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645752A (en) * | 2018-05-24 | 2018-10-12 | Oppo广东移动通信有限公司 | Dispensing test fixture and its test method |
| CN112014218A (en) * | 2020-09-16 | 2020-12-01 | 山东电力设备有限公司 | Compression ratio measuring method |
| CN113702135A (en) * | 2021-09-16 | 2021-11-26 | 中车株洲电力机车有限公司 | Sample preparation device |
| CN113702137A (en) * | 2021-09-17 | 2021-11-26 | 信利光电股份有限公司 | Clamp and method for manufacturing hot melt adhesive vertical drawing strength test sample |
-
2017
- 2017-10-26 CN CN201721395812.6U patent/CN207318244U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645752A (en) * | 2018-05-24 | 2018-10-12 | Oppo广东移动通信有限公司 | Dispensing test fixture and its test method |
| CN108645752B (en) * | 2018-05-24 | 2021-03-09 | Oppo广东移动通信有限公司 | Dispensing test tool and test method thereof |
| CN112014218A (en) * | 2020-09-16 | 2020-12-01 | 山东电力设备有限公司 | Compression ratio measuring method |
| CN113702135A (en) * | 2021-09-16 | 2021-11-26 | 中车株洲电力机车有限公司 | Sample preparation device |
| CN113702135B (en) * | 2021-09-16 | 2024-02-06 | 中车株洲电力机车有限公司 | Sample preparation device |
| CN113702137A (en) * | 2021-09-17 | 2021-11-26 | 信利光电股份有限公司 | Clamp and method for manufacturing hot melt adhesive vertical drawing strength test sample |
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