CN111829855A - Device and method for preparing bonding test sample - Google Patents
Device and method for preparing bonding test sample Download PDFInfo
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- CN111829855A CN111829855A CN202010817826.2A CN202010817826A CN111829855A CN 111829855 A CN111829855 A CN 111829855A CN 202010817826 A CN202010817826 A CN 202010817826A CN 111829855 A CN111829855 A CN 111829855A
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- limiting block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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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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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a device and a method for preparing a bonding test sample piece, which can accurately control the coaxiality, the width and the thickness of a glue layer of a bonding test piece and manufacture a standard bonding test sample piece. The test device comprises a base, wherein a first transverse limiting block, a second transverse limiting block, a first longitudinal limiting block and a second longitudinal limiting block are arranged on the base, the first transverse limiting block and the second transverse limiting block are used for limiting the transverse positions of an upper test piece and a lower test piece, the second longitudinal limiting block is used for compressing the lower test piece and longitudinally positioning the upper test piece, and the first longitudinal limiting block is used for compressing the upper test piece and the bonding part of the upper test piece and the lower test piece; at least one positioning cushion block is padded below the first longitudinal limiting block, the total thickness of the positioning cushion blocks is equal to the sum of the thicknesses of the second longitudinal limiting block and a glue layer at the bonding part of the bonding test sample piece, and one end, corresponding to the lower test piece, of each positioning cushion block is a positioning surface and used for being matched with the end face of the lower test piece to longitudinally position the lower test piece.
Description
Technical Field
The invention relates to the technical field of bonding materials, in particular to a device and a method for preparing a bonding test sample.
Background
When a bonding test sample is manufactured at the present stage, two composite materials need to be coated with an adhesive and then bonded, a manual control method is usually adopted in the process, the test sample manufactured by the method has great dispersibility due to different skill levels, proficiency and manufacturing environments of a manufacturer, and meanwhile the coaxiality of the bonded two composite materials cannot be ensured, so that the test result is greatly influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device and a method for preparing a bonding test sample piece.
The purpose of the invention is realized as follows:
an apparatus for preparing a bonding test sample,
the test device comprises a base, wherein a first transverse limiting block, a second transverse limiting block, a first longitudinal limiting block and a second longitudinal limiting block are arranged on the base, the first transverse limiting block and the second transverse limiting block are used for limiting the transverse positions of an upper test piece and a lower test piece, the second longitudinal limiting block is used for compressing the lower test piece and longitudinally positioning the upper test piece, and the first longitudinal limiting block is used for compressing the upper test piece and the bonding part of the upper test piece and the lower test piece;
at least one positioning cushion block is padded below the first longitudinal limiting block, the total thickness of the positioning cushion blocks is equal to the sum of the thicknesses of the second longitudinal limiting block and a glue layer at the bonding part of the bonding test sample piece, and one end, corresponding to the lower test piece, of each positioning cushion block is a positioning surface and is used for being matched with the end face of the lower test piece to longitudinally position the lower test piece;
the upper ends of the first longitudinal limit blocks, the second longitudinal limit blocks and the positioning cushion blocks are respectively provided with a compression structure for compressing the corresponding limit blocks and locking the transverse/longitudinal positions of the base stand columns.
Preferably, the first transverse limiting block and the second transverse limiting block are respectively provided with a strip-shaped hole, and the first longitudinal limiting block, the second longitudinal limiting block and the positioning cushion block are respectively provided with two strip-shaped holes.
Preferably, the first longitudinal limiting block and the second longitudinal limiting block are both in a convex shape, strip-shaped holes are formed in two wing parts of the first longitudinal limiting block and the second longitudinal limiting block respectively, a convex part of the second longitudinal limiting block is used for applying pressure to the lower test piece and longitudinally positioning the upper test piece, and a convex part of the first longitudinal limiting block is used for applying pressure to the upper test piece and the bonding part of the upper test piece and the lower test piece;
the positioning cushion block is also provided with two wing parts and a protruding part, the two wing parts of the positioning cushion block are respectively provided with a strip-shaped hole, and the end part of the protruding part of the positioning cushion block is a positioning surface.
Preferably, the widths of the protruding parts of the first longitudinal limiting block and the second longitudinal limiting block are smaller than or equal to the widths of the upper test piece and the lower test piece.
Preferably, under the working state, the protruding parts of the first longitudinal limiting block and the second longitudinal limiting block abut against each other.
Preferably, the adjacent positions of the first transverse limiting block, the second transverse limiting block, the first longitudinal limiting block and the second longitudinal limiting block, and the adjacent positions of the positioning cushion block, the first transverse limiting block and the second transverse limiting block are provided with abdicating inclined planes to prevent interference.
Preferably, the compression structure is an elastic compression structure and comprises a nut, a compression spring and an annular gasket which are sequentially arranged from top to bottom, the compression spring and the annular gasket are sleeved on the base stand column, and the nut is in threaded fit with the upper end of the base stand column.
Preferably, the number of the positioning cushion blocks is multiple, and the total height of the multiple positioning cushion blocks in an overlapped mode is equal to the sum of the thickness of the lower test piece and the thickness of the glue layer.
A method of preparing a bonded test sample, comprising:
determining the total thickness of the positioning cushion block according to the sum of the thickness of the lower test piece and the thickness of the glue layer, selecting a proper positioning cushion block, sleeving the proper positioning cushion block into the corresponding base upright post, and placing the lower test piece in the base upright post so that one end of the lower test piece is positioned on the positioning surface of the positioning cushion block;
sleeving a transverse limiting block I and a transverse limiting block II into corresponding base stand columns, positioning the transverse position of a lower test piece through the transverse limiting block I and the transverse limiting block II, and locking the positions of the transverse limiting block I and the transverse limiting block II through a fastening structure respectively;
sleeving the longitudinal limiting block II into the corresponding base stand column, determining the distance between the bonding end of the longitudinal limiting block II and the positioning surface of the positioning cushion block according to the width of the glue layer, and locking the position of the longitudinal limiting block II through a fastening structure;
after enough adhesive is coated on the bonding position of the lower test piece, the upper test piece is placed at the corresponding position, so that the bonding end of the upper test piece is bonded with the bonding end of the lower test piece, the two side ends of the upper test piece are in contact with the transverse limiting block I and the transverse limiting block II for transverse positioning, and the bonding end of the upper test piece is in contact with the longitudinal limiting block II for longitudinal positioning;
sleeving the first longitudinal limiting block into the corresponding base stand column, enabling the limiting end of the first longitudinal limiting block to abut against the limiting end of the second longitudinal limiting block, and locking the position of the first longitudinal limiting block through a fastening structure;
and after the adhesive is cured to form an adhesive layer, finishing the preparation of the bonding test sample.
The technical problem to be solved by the invention is as follows: firstly, the coaxiality and the glue layer width of a bonding test piece are guaranteed through a limiting block, and the problem that the eccentric shaft and the glue layer width are different in manual positioning is solved; secondly, the thickness of the glue layer is accurately controlled through the positioning cushion block, and the problem that the thickness of the glue layer with the same specification is often greatly different due to manual manufacturing is solved.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the device has a simple structure, high manufacturability, assembly property and low cost, and is easy for mass production and popularization;
in the using process, the coaxiality of the test sample piece is strictly ensured by the longitudinal and transverse positioning of the bonded composite material piece, and the problem of sample piece off-axis caused by manual operation is solved;
the thickness of the adhesive layer is controlled through the positioning cushion block, and the thickness of the adhesive layer is consistent through a standardized process that the test piece is tightly pressed by the fastening spring, so that the adhesive layer is perfectly attached to the test piece, and the problems of serious inconsistency of the thickness of the adhesive layer and insufficient adhesion degree caused by manual gluing and pressing are solved.
The device realizes the standardized manufacture of the composite material cementing test sample piece, can be used for preparing other material bonding test sample pieces, provides qualified test sample pieces for bonding tests, and is an important premise for accurately measuring the bonding performance of the bonding agent.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the fastening structure;
fig. 3 is a schematic diagram of the working structure of the present invention.
Reference numerals
In the attached drawing, 1, a base, 2, a first positioning cushion block, 3, a second positioning cushion block, 4, a third positioning cushion block, 5, an upper test piece, 6, a first longitudinal limiting block, 7, a first elastic compression structure, 8, a first transverse limiting block, 9, a second elastic compression structure, 10, a third elastic compression structure, 11, a lower test piece, 12, a fourth elastic compression structure, 13, a second longitudinal limiting block, 14, a fifth elastic compression structure, 15, a sixth elastic compression structure, 16, a second transverse limiting block, a glue layer 17, 18, a first base stand column, 19, a second base stand column, 20, a third base stand column, 21, a fourth base stand column, 22, a fifth base stand column, 23 and a sixth base stand column.
Detailed Description
Referring to fig. 1, the bonding test sample includes an upper test piece 5 and a lower test piece 11 (both made of a composite material and having the same specification) which are parallel to each other, and one end of each of the upper test piece 5 and the lower test piece 11 is bonded by an adhesive (which forms an adhesive layer 17 after curing).
Referring to fig. 1-3, a device for preparing a bonding test sample piece comprises a base 1, wherein a first transverse limiting block 8, a second transverse limiting block 16, a first longitudinal limiting block 6 and a second longitudinal limiting block 13 are arranged on the base 1, the first transverse limiting block 8 and the second transverse limiting block 16 are used for limiting the transverse positions of an upper test piece 5 and a lower test piece 11, the second longitudinal limiting block 13 is used for compressing the lower test piece 11 and longitudinally positioning the upper test piece 5, and the first longitudinal limiting block 6 is used for compressing the upper test piece 5 and the bonding part of the upper test piece 5 and the lower test piece 11; at least one positioning cushion block is cushioned below the longitudinal limiting block I6, the total thickness of the positioning cushion blocks is equal to the sum of the thicknesses of the longitudinal limiting block II 13 and the glue layer of the bonding position of the bonding test sample piece, in the embodiment, the number of the positioning cushion blocks is multiple, the specifications of the positioning cushion blocks are the same, and the total height of the positioning cushion blocks in a stacking mode is equal to the sum of the thickness of the lower test piece 11 and the thickness of the glue layer 17. One end of the positioning cushion block, which corresponds to the lower test piece 11, is a positioning surface and is used for being matched with the end surface of the lower test piece 11 to longitudinally position the lower test piece 11; the utility model discloses a horizontal stopper, including horizontal stopper 6, vertical stopper two 13 and locating pad piece, be equipped with the bar hole on the horizontal stopper 8, horizontal stopper two 16 respectively along horizontal, vertically be equipped with the bar hole on vertical stopper 6, vertical stopper two 13 and the locating pad piece along vertically respectively, it is equipped with the base stand respectively to correspond each bar hole on the base 1, horizontal stopper 8, horizontal stopper two 16 pass through the bar pot head on the base stand that corresponds, vertical stopper 6, vertical stopper two 13 and locating pad piece pass through the bar pot head on the base stand that corresponds, and the upper end of each base stand is equipped with compact structure respectively for compress tightly the stopper that corresponds, lock its horizontal/vertical position.
A strip-shaped hole is formed in each of the first transverse limiting block 8 and the second transverse limiting block 16, and two strip-shaped holes are formed in each of the first longitudinal limiting block 6, the second longitudinal limiting block 13 and the positioning cushion block. The longitudinal limiting block I6 and the longitudinal limiting block II 13 are both in a convex shape, strip-shaped holes are formed in two wing parts of the longitudinal limiting block I6 and the longitudinal limiting block II 13 respectively, a protruding part of the longitudinal limiting block II 13 is used for applying pressure to the lower test piece 11 and longitudinally positioning the upper test piece 5, and a protruding part of the longitudinal limiting block I6 is used for applying pressure to the upper test piece 5 and the bonding position of the upper test piece 5 and the lower test piece 11; the positioning cushion block is also provided with two wing parts and a protruding part, the two wing parts of the positioning cushion block are respectively provided with a strip-shaped hole, and the end part of the protruding part of the positioning cushion block is a positioning surface. The widths of the protruding parts of the first longitudinal limiting block 6 and the second longitudinal limiting block 13 are smaller than or equal to the widths of the upper test piece 5 and the lower test piece 11. Under the working state, the protruding parts of the first longitudinal limiting block 6 and the second longitudinal limiting block 13 abut against each other. Adjacent positions of the first transverse limiting block 8, the second transverse limiting block 16, the first longitudinal limiting block 6 and the second longitudinal limiting block 13, and adjacent positions of the positioning cushion block, the first transverse limiting block 8 and the second transverse limiting block 16 are provided with abdicating inclined planes, so that interference is prevented.
The pressing structure is an elastic pressing structure (see fig. 2) and comprises a nut, a compression spring and an annular gasket which are sequentially arranged from top to bottom, the compression spring and the annular gasket are sleeved on the base stand column, and the nut is in threaded fit with the upper end of the base stand column.
A method of preparing a bonded test piece, see fig. 1, comprising:
step 1: determining the height of a positioning cushion block according to the sum of the thickness of the lower test piece 11 and the thickness of the glue layer 17, and selecting a proper positioning cushion block: the first positioning cushion block 2, the second positioning cushion block 3 and the third positioning cushion block 4 are sleeved into the first base upright post 18 and the second base upright post 19 after being overlapped, and the left end of the lower test piece 11 is flush with the right end face of the positioning cushion block;
step 2: sleeving a transverse limiting block I8 into a base upright post III 20, sleeving a transverse limiting block II 16 into a base upright post VI 23, positioning the transverse position of the lower test piece 11 through the transverse limiting block I8 and the transverse limiting block II 16, and respectively sleeving an elastic pressing structure III 10 and an elastic pressing structure VI 15 into the base upright post III 20 and the base upright post VI 23 for pressing;
and step 3: sleeving the longitudinal limiting block II 13 into the base upright post IV 21 and the base upright post V22, determining the distance from the left end surface of the longitudinal limiting block II 13 to the right end surface of the positioning cushion block according to the width of the glue layer 17, and then respectively sleeving the elastic compression structure IV 12 and the elastic compression structure V14 into the base upright post IV 21 and the base upright post V22 for compression;
and 4, step 4: after enough adhesive is coated on the position of the adhesive layer 17, the upper test piece 5 is placed on the adhesive layer 17, each end face of the upper test piece 5 is respectively attached to the end faces of the first transverse limiting block 8, the second longitudinal limiting block 13 and the second transverse limiting block 16, the first longitudinal limiting block 6 is sleeved into the first base upright post 18 and the second base upright post 19, the right end face of the first longitudinal limiting block 6 is attached to the left end face of the second longitudinal limiting block 13, and the first elastic compression structure 7 and the second elastic compression structure 9 are respectively sleeved into the second base upright post 19 and the first base upright post 18 to be compressed.
And after the adhesive is cured to form an adhesive layer, finishing the preparation of the bonding test sample. The use and assembly diagram of the tool for manufacturing the composite material bonding test sample after the steps are completed is shown in fig. 3.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (9)
1. An apparatus for preparing a bonding test sample, comprising:
the test device comprises a base, wherein a first transverse limiting block, a second transverse limiting block, a first longitudinal limiting block and a second longitudinal limiting block are arranged on the base, the first transverse limiting block and the second transverse limiting block are used for limiting the transverse positions of an upper test piece and a lower test piece, the second longitudinal limiting block is used for compressing the lower test piece and longitudinally positioning the upper test piece, and the first longitudinal limiting block is used for compressing the upper test piece and the bonding part of the upper test piece and the lower test piece;
at least one positioning cushion block is padded below the first longitudinal limiting block, the total thickness of the positioning cushion blocks is equal to the sum of the thicknesses of the second longitudinal limiting block and a glue layer at the bonding part of the bonding test sample piece, and one end, corresponding to the lower test piece, of each positioning cushion block is a positioning surface and is used for being matched with the end face of the lower test piece to longitudinally position the lower test piece;
the upper ends of the first longitudinal limit blocks, the second longitudinal limit blocks and the positioning cushion blocks are respectively provided with a compression structure for compressing the corresponding limit blocks and locking the transverse/longitudinal positions of the base stand columns.
2. An apparatus for preparing a bonding test sample according to claim 1, wherein: a strip-shaped hole is formed in each of the first transverse limiting block and the second transverse limiting block, and two strip-shaped holes are formed in each of the first longitudinal limiting block, the second longitudinal limiting block and the positioning cushion block.
3. An apparatus for preparing a bonding test sample according to claim 2, wherein: the first longitudinal limiting block and the second longitudinal limiting block are both in a convex shape, strip-shaped holes are formed in two wing parts of the first longitudinal limiting block and the second longitudinal limiting block respectively, a convex part of the second longitudinal limiting block is used for applying pressure to the lower test piece and longitudinally positioning the upper test piece, and a convex part of the first longitudinal limiting block is used for applying pressure to the upper test piece and the bonding part of the upper test piece and the lower test piece;
the positioning cushion block is also provided with two wing parts and a protruding part, the two wing parts of the positioning cushion block are respectively provided with a strip-shaped hole, and the end part of the protruding part of the positioning cushion block is a positioning surface.
4. An apparatus for preparing a bonding test sample according to claim 3, wherein: the widths of the protruding parts of the first longitudinal limiting block and the second longitudinal limiting block are smaller than or equal to the widths of the upper test piece and the lower test piece.
5. An apparatus for preparing a bonding test sample according to claim 3, wherein: under the working state, the protruding parts of the first longitudinal limiting block and the second longitudinal limiting block abut against each other.
6. An apparatus for preparing a bonding test sample according to claim 3, wherein: adjacent positions of the first transverse limiting block, the second transverse limiting block, the first longitudinal limiting block and the second longitudinal limiting block, and adjacent positions of the positioning cushion block, the first transverse limiting block and the second transverse limiting block are provided with abdicating inclined planes, so that interference is prevented.
7. An apparatus for preparing a bonding test sample according to claim 1, wherein: the pressing structure is an elastic pressing structure and comprises a nut, a compression spring and an annular gasket which are sequentially arranged from top to bottom, the compression spring and the annular gasket are sleeved on the base stand column, and the nut is in threaded fit with the upper end of the base stand column.
8. An apparatus for preparing a bonding test sample according to claim 1, wherein: the number of the positioning cushion blocks is multiple, and the total height of the plurality of positioning cushion blocks in an overlapped mode is equal to the sum of the thickness of the lower test piece and the thickness of the glue layer.
9. A method of preparing a bonded test sample, comprising:
determining the total thickness of the positioning cushion block according to the sum of the thickness of the lower test piece and the thickness of the glue layer, selecting a proper positioning cushion block, sleeving the proper positioning cushion block into the corresponding base upright post, and placing the lower test piece in the base upright post so that one end of the lower test piece is positioned on the positioning surface of the positioning cushion block;
sleeving a transverse limiting block I and a transverse limiting block II into corresponding base stand columns, positioning the transverse position of a lower test piece through the transverse limiting block I and the transverse limiting block II, and locking the positions of the transverse limiting block I and the transverse limiting block II through a fastening structure respectively;
sleeving the longitudinal limiting block II into the corresponding base stand column, determining the distance between the bonding end of the longitudinal limiting block II and the positioning surface of the positioning cushion block according to the width of the glue layer, and locking the position of the longitudinal limiting block II through a fastening structure;
after enough adhesive is coated on the bonding position of the lower test piece, the upper test piece is placed at the corresponding position, so that the bonding end of the upper test piece is bonded with the bonding end of the lower test piece, the two side ends of the upper test piece are in contact with the transverse limiting block I and the transverse limiting block II for transverse positioning, and the bonding end of the upper test piece is in contact with the longitudinal limiting block II for longitudinal positioning;
sleeving the first longitudinal limiting block into the corresponding base stand column, enabling the limiting end of the first longitudinal limiting block to abut against the limiting end of the second longitudinal limiting block, and locking the position of the first longitudinal limiting block through a fastening structure;
and after the adhesive is cured to form an adhesive layer, finishing the preparation of the bonding test sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817826.2A CN111829855A (en) | 2020-08-14 | 2020-08-14 | Device and method for preparing bonding test sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817826.2A CN111829855A (en) | 2020-08-14 | 2020-08-14 | Device and method for preparing bonding test sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111829855A true CN111829855A (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010817826.2A Pending CN111829855A (en) | 2020-08-14 | 2020-08-14 | Device and method for preparing bonding test sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111829855A (en) |
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2020
- 2020-08-14 CN CN202010817826.2A patent/CN111829855A/en active Pending
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