CN214096827U - Batch sample preparation device for single lap joint shear test - Google Patents
Batch sample preparation device for single lap joint shear test Download PDFInfo
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- CN214096827U CN214096827U CN202023142021.7U CN202023142021U CN214096827U CN 214096827 U CN214096827 U CN 214096827U CN 202023142021 U CN202023142021 U CN 202023142021U CN 214096827 U CN214096827 U CN 214096827U
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Abstract
The utility model provides a single overlap joint shear test's batch sample system appearance device, include: the base plate comprises a first plane and a second plane, the baffle plates are arranged on two sides of the first plane and the second plane, the baffle plates are arranged on the two sides of the first plane and the second plane, a plurality of locating blocks are arranged at intervals on the surfaces of the first plane and the second plane, the first sample and the second sample are respectively placed between the two locating blocks of the first plane and the second plane, and overlapping parts of the first sample and the second sample connected by the adhesive form overlapping areas. The utility model discloses a setting of a plurality of locating pieces, baffle and horizontal press plate has realized the system appearance and the regional planarization of overlap joint and the homogeneity of sample in batches.
Description
Technical Field
The utility model relates to an adhesive shear strength survey device field, concretely relates to single overlap joint shear test's batch sample system appearance device.
Background
Adhesive shear strength test specimens were made by laminating and bonding two specimens. The shearing strength of the adhesive is one of important indexes for judging the performance of the adhesive, and the accuracy of the index directly influences the adhesive quality of an actual product. The factors influencing the gluing effect are mainly embodied in the control of the thickness of the glue layer, the included angle of the sample strip and the position of the adhesive, the sample preparation device for the shearing strength of the existing adhesive is simple to manufacture, the test piece can deviate under the action of pressure, and the control effect of the size of the test piece is fixed and the thickness is poor. Therefore, it is necessary to design a sample preparation device for measuring the shear strength of the adhesive to solve the above problems.
Disclosure of Invention
The utility model provides a single overlap joint shear test's batch sample system appearance device can be used to prepare not unidimensional shear test used sample in batches.
The purpose of the utility model is realized with the following mode:
a batch sample preparation device for a single lap shear test comprises: the base plate comprises a first plane and a second plane, the baffle plate is arranged on two sides of the first plane and the second plane, a plurality of positioning blocks are arranged on the surface of the first plane at intervals, a plurality of positioning blocks are arranged on the surface of the second plane at intervals, the first sample is placed between the two positioning blocks of the first plane, the second sample is placed between the two fixing blocks of the second plane, one end of the second sample is positioned above one end of the first sample, the end of the second sample is connected with the end of the first sample through an adhesive, and the overlapping part of the first sample and the second sample connected through the adhesive forms an overlapping area to form a sample for measuring the tensile shear strength of the adhesive, the horizontal platen is disposed above the first and second samples.
Further, the first plane and the second plane form a stepped plane, the height of the second plane is larger than that of the first plane, and the height difference between the first plane and the second plane is larger than the thickness of the first sample and the second sample.
Further, the width of the first plane is larger than that of the second plane.
Furthermore, the length directions of the first plane and the second plane are sequentially provided with positioning blocks which are distributed at equal intervals
Furthermore, a first sliding groove and a second sliding groove are respectively arranged on the front side and the rear side of the first plane and the second plane.
Further, the bottom of the baffle is provided with a roller.
The utility model has the advantages that: the positioning block and the baffle can avoid the movement of the sample; the baffle provided with the roller can move in the sliding grooves of the first plane and the second plane according to the size of a sample, so that the sample sampling device is flexible and convenient; calculating the size of the lap joint area according to the width difference of the first plane and the second plane and the size of the sample; the installation of the horizontal pressing plate can ensure the smoothness and uniformity of the lap joint area.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the baffle.
Fig. 3 is a top view of the base plate.
Fig. 4 is a left side view of the base plate.
The method comprises the following steps of 1-base plate, 2-first plane, 3-second plane, 4-first groove, 5-second groove, 6-baffle, 7-roller, 8-positioning block, 9-horizontal pressing plate, 10-first sample, 11-second sample and 12-lap joint layer.
Detailed Description
As shown in fig. 1, 2 and 3, a batch sample preparation device for a single lap shear test comprises: the device comprises a bottom plate (1), a first plane (2), a second plane (3), a first groove (4), a second groove (5), a baffle (6), rollers (7), positioning blocks (8), a horizontal pressing plate (9), a first sample (10), a second sample (11) and a lapping layer (12), wherein the bottom plate (1) comprises the first plane (2) and the second plane (3), the baffle (6) is arranged on two sides of the first plane (2) and the second plane (3) which are separated from each other, a plurality of positioning blocks (8) are arranged on the surface of the first plane (2) at intervals, a plurality of positioning blocks (8) are arranged on the surface of the second plane (3) at intervals, the first sample (10) is placed between the two positioning blocks (8) of the first plane (2), the second sample (11) is placed between the two positioning blocks (8) of the second plane (3), one end of the second sample (11) is positioned above one end of the first sample (10) and the end of the second sample (11) is connected with the end of the first sample (10) through an adhesive, the overlapping part of the first sample (10) and the second sample (11) connected by the adhesive forms a lap joint area (12) to form a test sample for measuring the tensile shear strength of the adhesive, and the horizontal pressing plate (9) is arranged above the first sample (10) and the second sample (11).
Further, the first plane (2) and the second plane (3) form a stepped plane, the height of the second plane (3) is larger than that of the first plane (2), and the height difference between the first plane (2) and the second plane (3) is larger than the thickness of the first sample (10) and the second sample (11).
Further, the width of the first plane (2) is larger than the width of the second plane (3).
Furthermore, positioning blocks (8) are sequentially arranged in the length direction of the first plane (2) and the second plane (3) and are distributed at equal intervals
Furthermore, a first sliding groove (4) and a second sliding groove (5) are respectively arranged on the front side and the rear side of the first plane (2) and the second plane (3).
Further, the bottom of the baffle (6) is provided with a roller (7).
The working principle is as follows: fixing positioning blocks (8) and a baffle (6) according to the size of a sample, placing a first sample (10) between the positioning blocks (8) of a first plane (2), coating an adhesive on one end, far away from the baffle (6), of the first sample (10), placing a second sample (11) between the positioning blocks (8) of a second plane (3), placing horizontal pressing plates (9) on the first sample (10) and the second sample (11) respectively, and obtaining batch samples of a shear test after fixing for a period of time.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.
Claims (6)
1. A batch sample preparation device for a single lap shear test comprises: the base plate comprises a first plane and a second plane, the baffle plate is arranged on two sides of the first plane and the second plane, a plurality of positioning blocks are arranged on the surface of the first plane at intervals, a plurality of positioning blocks are arranged on the surface of the second plane at intervals, the first sample is placed between the two positioning blocks of the first plane, the second sample is placed between the two fixing blocks of the second plane, one end of the second sample is positioned above one end of the first sample, the end of the second sample is connected with the end of the first sample through an adhesive, and the overlapping part of the first sample and the second sample connected through the adhesive forms an overlapping area to form a sample for measuring the tensile shear strength of the adhesive, the horizontal platen is disposed above the first and second samples.
2. The batch sample preparation device for the single lap shear test according to claim 1, wherein: the first plane and the second plane form a stepped plane, the height of the second plane is larger than that of the first plane, and the height difference between the first plane and the second plane is larger than the thickness of the first sample and the second sample.
3. The batch sample preparation device for the single lap shear test according to claim 1, wherein: the width of the first plane is larger than that of the second plane.
4. The batch sample preparation device for the single lap shear test according to claim 1, wherein: the length direction of first plane and second plane has arranged the locating piece in proper order, and for the equidistance distribution.
5. The batch sample preparation device for the single lap shear test according to claim 1, wherein: and the front side and the rear side of the first plane and the second plane are respectively provided with a first sliding chute and a second sliding chute.
6. The batch sample preparation device for the single lap shear test according to claim 1, wherein: and the bottom of the baffle is provided with a roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023142021.7U CN214096827U (en) | 2021-07-29 | 2021-07-29 | Batch sample preparation device for single lap joint shear test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023142021.7U CN214096827U (en) | 2021-07-29 | 2021-07-29 | Batch sample preparation device for single lap joint shear test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214096827U true CN214096827U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023142021.7U Active CN214096827U (en) | 2021-07-29 | 2021-07-29 | Batch sample preparation device for single lap joint shear test |
Country Status (1)
| Country | Link |
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| CN (1) | CN214096827U (en) |
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2021
- 2021-07-29 CN CN202023142021.7U patent/CN214096827U/en active Active
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