CN113324900B - Binding force testing tool, testing device and testing method - Google Patents
Binding force testing tool, testing device and testing method Download PDFInfo
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- CN113324900B CN113324900B CN202110431599.4A CN202110431599A CN113324900B CN 113324900 B CN113324900 B CN 113324900B CN 202110431599 A CN202110431599 A CN 202110431599A CN 113324900 B CN113324900 B CN 113324900B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
Abstract
The invention relates to a binding force testing tool, a testing device and a testing method, belongs to the technical field of detection equipment, and aims to solve the technical problem that a jig in the prior art cannot be used for testing binding force by applying force on a product with the width smaller than the testing width of the jig. The adhesion force testing tool comprises a plate body, wherein the plate body is connected with the plate body and a product through an adhesive layer. The cohesion test adhesion tool is connected with a product in a bonding mode, so that a connecting part is not required to be arranged on the product, and the cohesion test adhesion tool can be matched with a jig for use so as to be used for the cohesion test of a product piece with the size smaller than the test width of the jig. The binding force testing device comprises a jig and the binding force testing attachment tool, so that the binding force testing device is wider in application range. The testing method uses the testing device to test the binding force of the product.
Description
Technical Field
The invention belongs to the technical field of detection equipment, and particularly relates to a binding force testing tool, a binding force testing device and a binding force testing method.
Background
When two products bond together, in order to guarantee the reliability of bonding, can test the cohesion between two products usually, among the prior art, need press from both sides one of them product through anchor clamps and make it fixed, use the tool to connect on another product afterwards, utilize the effect of tool and form to draw another product to measure the bonding effort size between two products with the help of the tool, judge whether the cohesion between two products accords with the regulation.
However, the jig in the prior art cannot be used for some products with smaller sizes because the outer surface of the product with smaller sizes cannot be provided with the parts of the jig for exerting the force of the force-exerting connecting part, so that the product cannot be used for performing the bonding force test by using the existing jig. For example, for the current testing of the bonding force of the reinforcement portion on the flexible circuit board, the conventional jig cannot be used because the width of the reinforcement portion on the flexible circuit board is only 1mm, while the testing width of the conventional jig is at least 5mm, and the conventional jig cannot apply force thereon because the width of the reinforcement portion is too small.
Disclosure of Invention
The invention provides a binding force testing tool, which is used for solving the technical problem that a jig in the prior art cannot be used for testing binding force by applying force on a product with the width smaller than the testing width of the jig.
The invention is realized by the following technical scheme: the utility model provides a cohesion test adhesion instrument for the cohesion between two parts of auxiliary test product, cohesion test adhesion instrument package rubbing board body, the plate body is connected through the viscose layer plate body and product.
Further, in order to better implement the present invention, the board body includes a first plane, the first plane is recessed to form a concave hole, and the adhesive layer is filled in the concave hole.
Furthermore, in order to better realize the invention, the concave holes are arc-shaped holes, the number of the concave holes is more than 1, and the radius of the concave holes is R, wherein R is more than or equal to 0.45mm and less than or equal to 0.55mm.
Further, in order to better realize the invention, the shape of the first plane is a rectangle, and the width of the first plane is L, wherein, L is more than or equal to 0.55mm and less than or equal to 0.65mm.
Furthermore, in order to better realize the invention, the plate body is provided with a through hole for connecting with the jig.
Furthermore, in order to better implement the present invention, the through holes and the first plane form at least two working groups, and the concave holes of one working group are selectively filled with the adhesive to form the adhesive layer when the product is tested for bonding force.
Further, in order to better implement the present invention, the number of the working groups is two, and two working groups are respectively a first group and a second group, the length of the concave hole coverage area of the first group is smaller than that of the concave hole coverage area of the second group, and the aperture of the through hole of the first group is smaller than that of the through hole of the second group.
Further, in order to better implement the present invention, the plate body includes a first plane bonded to one of the components of the product, the first plane being an end surface of the plate body.
The invention also provides a binding force testing device which comprises a jig and the binding force testing binding tool, wherein the jig is provided with a binding force connecting part, and the binding force connecting part is connected with the plate body of the binding force testing binding tool.
The invention also provides a binding force testing method which uses the binding force testing device and comprises the following steps:
securing one of the components of the product;
the plate body is provided with the adhesive layer;
bonding the plate body with another part of the product through the adhesive layer;
pulling the plate body.
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention provides a binding force testing adhesion tool, which comprises a plate body and an adhesion layer, wherein the plate body is connected with a product through the adhesion layer, namely the plate body is connected with the plate body and the product through the adhesion layer.
(2) The binding force testing device provided by the invention comprises a jig and the binding force testing binding force tool, wherein the binding force connecting part on the jig is connected with the plate body of the binding force testing binding force tool, and when a product is subjected to binding force testing, the binding force testing tool is tested by means of the binding force.
(3) The method for testing the binding force is used for testing the binding force of a product, so that the method for testing the binding force can be suitable for testing the binding force of the product with the size smaller than the testing width of a jig.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a front view of a cohesion test adhesion tool in an embodiment of the present application;
FIG. 2 is a schematic side view of a cohesion test application tool in an embodiment of the present application;
FIG. 3 is a reference diagram illustrating the use of a cohesion test attachment tool in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a cohesion test adhesion tool in an embodiment of the present application when the cohesion test adhesion tool is used to assist in testing the cohesion between an RFPC board and a reinforcing plate.
In the figure:
1-product;
2-a plate body;
3-gluing;
4-concave holes;
5-a through hole;
6-a jig;
100-RFPC board; 200-a reinforcing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1:
the embodiment provides a binding force testing and stressing tool, which is used for solving the technical problem that a jig in the prior art cannot stress on a product with a width smaller than the testing width of the jig so as to perform a binding force test.
As shown in fig. 1 to 3, the cohesion test adhesion tool is used for assisting in testing the cohesion between two components of a product, and includes a plate body 2 and an adhesive layer disposed on an outer surface of the plate body 2, where the adhesive layer is formed by coating an adhesive 3 on the outer surface of the plate body 2, and it is noted that the plate body 2 in this embodiment is a flat plate with a certain thickness, and the plate body 2 is used to be connected to a jig. The two parts are respectively a first part and a second part which are fixedly connected with each other through a medium, and the first part and the second part form a product 1 to be tested. When needing to test product 1, fix first part, link together second part and plate body 2 through gluing the layer afterwards, the size (specifically width and length) on above-mentioned gluing layer is less than or equal to the second part moreover, it needs to explain that, product 1 when carrying out cohesion test, utilizes anchor clamps to clip first part, makes first part fixed promptly, utilizes the tool to exert the pulling force on plate body 2 afterwards, alright test with the cohesion between first part and the second part. For convenience of description, the product 1 in this embodiment is a two-piece board, and when the bonding force is tested, one of the two boards is clamped by a clamp, the board 2 is bonded to the other board by the adhesion layer, the size of the adhesion layer is smaller than the size of the external board of the other board (i.e. the size of the adhesion layer is smaller than or equal to that of the product 1), so as to prevent the adhesion layer from being bonded to the clamp for clamping the board, and the board 2 is connected by a jig 6, it is noted that the jig 6 in this embodiment has an adhesion connecting portion, such as a hook or a clamp arm, as in the prior art, the adhesion connecting portion of the jig 6 is connected to the board 2, specifically, such as hooking the board 2 by a hook, or clamping the board 2 by a clamp arm. The binding force of the product 1 can be measured by means of the force measuring function of the jig 6. In addition, the product in this embodiment may be a module.
The cohesion test of this structure is put forth effort instrument is connected with product 1 through the mode that bonds, so need not set up connecting portion on product 1, so its and conventional tool's combination just can be applicable to the cohesion of the product 1 that the size of test connection is less than 6 test width of tool (need explain that, the test width of tool 6 among the prior art is 5mm usually) to help people to judge whether the cohesion of product 1 fits, avoid product 1 to take place the situation that the part drops in the use. In addition, the plate body 2 is a structural member made of a material having sufficient strength, such as stainless steel.
As an optional implementation manner of this embodiment, the plate body 2 in this embodiment includes the first plane, the recess 4 is formed by recessing on the first plane, and the above-mentioned glue 3 is filled in the recess 4, so that the filling amount of the glue 3 can be increased, and the contact area between the glue 3 and the plate body 2 can be increased, so that the connection between the glue 3 and the plate body 2 is more stable, and further, the connection between the product 1 and the plate body 2 is more stable. It is understood that the first plane in this embodiment can be replaced by an arch surface, and the adhesive layer is formed by directly coating the adhesive 3 on the arch surface. In addition, as a best mode of the present embodiment, the plate body 1 in the present embodiment has a long bar shape, and the first plane is an end face of the plate body 1 in the longitudinal direction.
As another alternative to this embodiment, the plate body 2 in this embodiment comprises a first flat surface which is directly bonded to one of the components of the product 1 and which is an end surface of the plate body 2.
As an optional implementation manner of this embodiment, the concave hole 4 in this embodiment is an arc-shaped hole, the number of concave holes is more than 1, and the radius of the concave hole 4 is R, wherein R is greater than or equal to 0.45mm and less than or equal to 0.55mm, for example, R =0.5mm. The contact area between 3 and the plate body 2 of glue can be enlarged as far as possible to the hemisphere shape hole, and the radial setting of shrinkage pool 4 for the diameter of shrinkage pool 4 is less than 1mm, so that the gluing layer of formation can be applicable to and connect the product 1 that the size is 1mm, realizes the cohesion test to small-size product 1. It should be noted that the concave hole 4 in this embodiment penetrates through the two opposite surfaces of the plate body 2. The number of the concave holes 4 is more than 1, so that the contact area between the adhesive 3 and the plate body 2 can be further increased.
As an alternative embodiment of the present embodiment, the first plane in the present embodiment has a rectangular shape, the width of the first plane is L (it is noted that the width of the first plane is actually the thickness of the plate body 2), 0.55mm ≦ L ≦ 0.65mm, such as L =0.6mm, and the concave hole 4 is disposed in the middle of the first plane. In this way, it is possible to make the thickness of the plate body 2 small enough to interface with products 1 of small dimensions. The plurality of concave holes 4 are uniformly distributed in the length direction of the first plane.
As an optional implementation manner of this embodiment, in this embodiment, a through hole 5 is formed on the plate surface of the plate body 2 for connecting with a fixture 6, in this embodiment, the force applying connection portion on the fixture 6 is a hook, and the hook is hung in the through hole 5, so as to realize the connection between the fixture 6 and the plate body 2. It should be noted that the through hole 5 in the present embodiment may be a circular hole, a square hole, or an elliptical hole.
As an alternative embodiment of this embodiment, in this embodiment, the through hole 5 and the first plane having the concave hole 4 are defined as working groups, and the number of the working groups provided on the plate body 2 is at least two. When the product 1 is tested for the binding force, the concave holes 4 of one of the working groups are selectively filled with the adhesive 3 to form the adhesive layer, i.e., when the product 1 is tested for the binding force, one of the working groups is selected. Of course, both workgroups may be used. In this way, the service life of the plate body 2 can be extended.
As an optional implementation manner of this embodiment, the number of the working groups in this embodiment is two, the two working groups are respectively a first group and a second group, and the length of the area covered by the concave hole 4 of the first group is smaller than the length of the area covered by the concave hole 4 of the second group. In this embodiment, the aperture of the first group of through holes 5 is smaller than the aperture of the second group of through holes 5. Like this, above-mentioned first group and second group can be used for respectively testing product 1 that length is different and width size is less than 1mm to make the application scope of cohesion test application of force instrument that this embodiment provided wider, strengthen its practicality. Of course, the number of the working groups in the embodiment may be three or four or five, and so on, the coverage length of the concave holes 4 in each working group is different, and the aperture of the through holes 5 in each working group is also different.
As a specific use embodiment, the product 1 of this embodiment is shown in fig. 4, and the cohesion test adhesion tool provided by this embodiment can be used for cohesion test between the RFPC board 100 (flexible-rigid printed circuit board) and the reinforcing plate 200 connected thereto. Usually, the compensation plate 200 on the RFPC board 100 is fixed on the RFPC board 100 by adhesion, and during the operation, the bonding force of the reinforcement plate 200 on the RFPC board 100 needs to be tested, however, the width of the reinforcement plate 200 is usually only 1mm, and the test width of the conventional bonding force test fixture is 5mm at the minimum, so the conventional bonding force test fixture cannot be used for the bonding force test of the reinforcement plate 200 on the RFPC board 100. The adhesion force testing work provided by the present embodiment can be used to test the adhesion force between the reinforcing plate 200 on the RFPC board 100 and the RFPC board 100, and in particular, the width of the adhesive layer is made to be less than or equal to 1mm. Firstly, the RFPC board 100 is clamped by a clamp, then the reinforcing board 200 is bonded to the board body by the adhesive layer, and then the board body 2 is connected by the connecting part of the jig 6 and a drawing force is applied to the board body 2 to test the bonding force between the reinforcing board 200 and the RFPC board 100, so as to determine whether the product 1 meets the design requirements.
Example 2:
the embodiment provides a cohesion test device, including the cohesion test adhesion tool that tool 6 and embodiment 1 provided, be equipped with on this tool 6 and adhere to the force connecting portion, adhere to the force connecting portion and be connected with the plate body 2 of cohesion test adhesion tool. The cohesion testing arrangement of this kind of structure can be used for being less than 1 mm's product 1 and carry out the cohesion test, and the practicality is stronger.
Example 3:
the embodiment provides a method for testing the binding force, in particular to a method for testing the binding force of a product by using the device for testing the binding force provided in embodiment 2, which comprises the following steps:
step 1: the product 1 is fixed. Specifically, a part of the product 1 is clamped using a jig so that the part of the product 1 is fixed;
and 2, step: the adhesion layer is arranged on the plate body 2 of the adhesion testing tool of the adhesion testing device. Namely, the glue 3 is smeared on the plate body 2 to form a glue layer;
and step 3: the adhesive layer is adhered to the outer surface of another part of the product 1, so that the plate body 2 is adhered to the other part of the product through the adhesive layer.
And 4, step 4: pulling the panel body 2. Specifically, the attachment connecting portion of the jig 6 of the bonding force testing apparatus is connected to the plate body 2, and then the jig 6 is operated to pull the plate body 2 through the attachment connecting portion, thereby testing the bonding force of the product 1. It should be noted that in this step, before operating the jig 6, it is ensured that the second component of the product 1 and the plate body 2 are glued together.
The testing method can be suitable for testing the bonding force of two parts to be tested of the product 1 with the size smaller than the testing width of the jig 6.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. A cohesion test application of force instrument for the cohesion between two parts of auxiliary test product, its characterized in that:
the binding force testing adhesion tool comprises a plate body, wherein the plate body is connected with a product through an adhesive layer;
the plate body comprises a first plane, the first plane is sunken to form a concave hole, and the adhesive layer is filled in the concave hole;
the plate body is provided with a through hole for connecting with a jig;
the through-hole constitutes the work group with first plane, set up on the plate body the quantity of work group is two sets of at least, is right when the product carries out cohesion test, and is selectively in one of them group the work group fill the viscose formation in the shrinkage pool the viscose layer.
2. A adhesion testing adhesion tool according to claim 1, wherein: the concave holes are arc-shaped holes, the number of the concave holes is more than 1, the radius of each concave hole is R, and R is more than or equal to 0.45mm and less than or equal to 0.55mm.
3. A adhesion testing adhesion tool according to claim 1, wherein: the first plane is rectangular, the width of the first plane is L, and L is more than or equal to 0.55mm and less than or equal to 0.65mm.
4. A adhesion testing adhesion tool according to claim 1, wherein: the quantity of work group is two sets of, and two sets of work group is first group and second group respectively, first group the length of shrinkage pool coverage area is less than the second group the length of shrinkage pool coverage area, first group the through-hole aperture is less than the second group the through-hole aperture.
5. A adhesion testing adhesion tool according to claim 1, wherein: the plate body comprises a first plane bonded with one of the parts of the product, and the first plane is an end face of the plate body.
6. The utility model provides a cohesion testing arrangement which characterized in that: the cohesion test adhesion tool of any one of claims 1 to 5, and a jig on which an adhesion connection part is provided, the adhesion connection part being connected to the plate body of the cohesion test adhesion tool.
7. A cohesion test method using the cohesion test apparatus of claim 6, the cohesion test method comprising:
securing one of the components of the product;
the plate body is provided with the adhesive layer;
bonding the plate body with another part of the product through the adhesive layer;
pulling the plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431599.4A CN113324900B (en) | 2021-04-21 | 2021-04-21 | Binding force testing tool, testing device and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110431599.4A CN113324900B (en) | 2021-04-21 | 2021-04-21 | Binding force testing tool, testing device and testing method |
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| Publication Number | Publication Date |
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| CN113324900A CN113324900A (en) | 2021-08-31 |
| CN113324900B true CN113324900B (en) | 2023-01-17 |
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| CN202110431599.4A Active CN113324900B (en) | 2021-04-21 | 2021-04-21 | Binding force testing tool, testing device and testing method |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3156606B2 (en) * | 1996-11-19 | 2001-04-16 | 株式会社デンソー | Inspection method and inspection device for electrode bonding strength |
| FR2891365B1 (en) * | 2005-09-28 | 2007-11-23 | Airbus France Sas | TRACTION PLOT FOR DEVICE FOR TESTING ADHESION OF A COATING ON A SUBSTART |
| CN201926615U (en) * | 2010-12-09 | 2011-08-10 | 北大方正集团有限公司 | Drawing test fixture |
| CN111257223A (en) * | 2020-03-25 | 2020-06-09 | 连云港华海诚科电子材料有限公司 | Testing device and testing method for drawing force of soft adhesive |
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