CN213439204U - Splicing tool for test board reinforcing sheet - Google Patents
Splicing tool for test board reinforcing sheet Download PDFInfo
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- CN213439204U CN213439204U CN202021759541.XU CN202021759541U CN213439204U CN 213439204 U CN213439204 U CN 213439204U CN 202021759541 U CN202021759541 U CN 202021759541U CN 213439204 U CN213439204 U CN 213439204U
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- pressing plate
- lower pressing
- upper pressing
- reinforcing sheet
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Abstract
The utility model discloses a splicing tool for a test board reinforcing sheet, which comprises an upper pressing plate component and a lower pressing plate component which are opposite up and down; the lower pressing plate assembly comprises a first lower pressing plate and a second lower pressing plate which are arranged at intervals, the upper pressing plate assembly comprises a first upper pressing plate and a second upper pressing plate which are arranged at intervals, the first upper pressing plate is positioned right above the first lower pressing plate, and the second upper pressing plate is positioned right above the second lower pressing plate; the first lower pressing plate and the second lower pressing plate are both provided with a first positioning block at the same side in the first direction; second positioning blocks are arranged on one side of the first lower pressing plate, which is far away from the second lower pressing plate, and one side of the second lower pressing plate, which is far away from the first lower pressing plate; the guide post passes through the first lower pressing plate along the second direction and is connected to the second lower pressing plate. Utilize this application, can make enhancement piece and test panel form even and smooth connection, and thickness is even, improves the protectiveness of enhancement piece to the sample to improve the stability of test data and result from this.
Description
Technical Field
The utility model relates to a splice frock of piece is strengthened to test board.
Background
The three-dimensional woven composite material is produced by combining a three-dimensional textile technology with a Resin Transfer Molding (RTM) process, and is widely applied to the military and civil fields due to the advantages of good integrity, mechanical property, impact resistance and the like.
In order to reasonably and effectively evaluate the performance of the three-dimensional woven composite material, no matter the performance is national standard or ASTM standard, a tensile test piece needs to be adhered with a reinforcing sheet so as to ensure that an unacceptable damage mode is avoided in the test process, and meanwhile, a test sample is protected, and the stability of test data and results is improved.
The current common method for sticking the reinforcing sheet of the three-dimensional woven composite material is manual marking, and has the main defects that: (1) the centering condition and the pasting quality are difficult to ensure, the phenomenon that the pasting is insufficient, even the reinforcing sheet falls off in the testing process and the like often occurs; (2) the test board is not uniformly pressed, and the uniformity of the glue layer of the test board and the reinforcing sheet is difficult to ensure. Therefore, a stable sample preparation method is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a splicing tool for a test plate reinforcing sheet, which comprises an upper pressing plate assembly and a lower pressing plate assembly which are opposite up and down, wherein a test plate and a reinforcing sheet are arranged between the upper pressing plate assembly and the upper pressing plate assembly;
the lower pressing plate assembly comprises a first lower pressing plate and a second lower pressing plate which are arranged at intervals along the second direction, and the upper pressing plate assembly comprises a first upper pressing plate and a second upper pressing plate which are arranged at intervals along the second direction, wherein the first upper pressing plate is positioned right above the first lower pressing plate, and the second upper pressing plate is positioned right above the second lower pressing plate; the first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate extend along the horizontal direction;
the first upper pressing plate and the first lower pressing plate, and the second upper pressing plate and the second lower pressing plate are detachably connected together by bolts;
the first lower pressing plate and the second lower pressing plate are both provided with a first positioning block at the same side in the first direction;
second positioning blocks are arranged on one side of the first lower pressing plate, which is far away from the second lower pressing plate, and one side of the second lower pressing plate, which is far away from the first lower pressing plate;
the guide post penetrates through the first lower pressing plate along the second direction and then is connected to the second lower pressing plate, and the first lower pressing plate can move along the guide post in the second direction so as to adjust the distance between the first lower pressing plate and the second lower pressing plate;
the first direction and the second direction both extend along the horizontal direction and are perpendicular to each other.
The utility model discloses at the during operation, at first remove first holding down plate along the guide bar, make distance between first holding down plate and the second holding down plate reach and set for the distance, then bond two enhancement pieces respectively on the upper surface of first holding down plate and second holding down plate through the double faced adhesive tape, with the coating of binder on the upper surface of enhancement piece, then bond the test panel on two enhancement pieces to make the test panel support and lean on first locating piece and second locating piece.
And adhering the other two reinforcing sheets to the lower surfaces of the first upper pressing plate and the second upper pressing plate respectively through double-sided adhesive tapes, and then coating adhesive on the lower surfaces of the other two reinforcing sheets. And respectively pressing a first upper pressing plate and a second upper pressing plate which carry the reinforcing sheet onto the test plate, then fastening the first upper pressing plate and the first lower pressing plate as well as the second upper pressing plate and the second lower pressing plate together by using bolts, then wrapping and vacuumizing by using a vacuum bag, and then placing into an oven for curing.
After the lower pressing plate is arranged to be the first lower pressing plate and the second lower pressing plate, due to the fact that a part of middle areas are reduced, when the total weight of the device is reduced, the reinforcing sheet can be pasted on the test plate with different widths in the second direction, and the width of the lower pressing plate in the second direction can be adjusted by moving the first lower pressing plate on the guide column along the second direction so as to adapt to the test plates with different widths. After the upper pressing plate is arranged into the first upper pressing plate and the second upper pressing plate, the total weight of the equipment can be reduced due to the fact that a part of the middle area is reduced, and meanwhile the first upper pressing plate and the second upper pressing plate can move correspondingly along with the first lower pressing plate and the second lower pressing plate.
In the process of attaching the reinforcing sheet to the test board, the reinforcing sheet is flatly pressed on the test board by the upper pressing plate assembly and the lower pressing plate assembly, so that the reinforcing sheet and the test board can be uniformly and flatly connected, the thickness is uniform, the protection of the reinforcing sheet on a sample is improved, and the stability of test data and results is improved.
Furthermore, in order to avoid the first lower pressing plate from deviating in the moving process, two guide posts are arranged, are parallel to each other and are arranged at intervals along the first direction.
Specifically, the thicknesses of the first upper pressing plate and the second upper pressing plate are both 10mm, and the thicknesses of the first lower pressing plate and the second lower pressing plate are both 20 mm; the upper pressing plate assembly and the lower pressing plate assembly are both made of aluminum alloy materials; the diameter of the guide post is 10mm, and the guide post is made of stainless steel materials. Under above-mentioned restriction, can guarantee to splice the frock and have sufficient intensity, can satisfy actual need.
Specifically, in order to ensure that the reinforcing sheet is uniformly bonded to the test board, in the first direction, two ends of the first upper pressing plate are respectively connected to two ends of the first lower pressing plate through the bolts, and two ends of the second upper pressing plate are respectively connected to two ends of the second lower pressing plate through the bolts.
Further, in order to simplify the preparation of the equipment, the lengths of the first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate are the same in the first direction; in the second direction, the widths of the first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate are the same.
Drawings
Fig. 1 is a diagram illustrating an operation state of an embodiment of the present invention.
Fig. 2 is an exploded view of the drawing shown in fig. 1.
Fig. 3 is a view showing a structure of a connection between the lower platen assembly and the guide post.
Fig. 4 is a schematic view of the gluing tool carrying the test board and the reinforcing sheet after the vacuum bag wrapping is completed.
Detailed Description
Referring to fig. 1 to 3, in fig. 1, an arrow X indicates a first direction and an arrow Y indicates a second direction.
The utility model provides a frock 100 that splices of test panel reinforcing piece, its both sides that are used for the thickness direction with the reinforcing piece laminating at the test panel, should splice frock 100 and include relative top board subassembly and bottom board subassembly from top to bottom. And a test board and a reinforcing sheet are arranged between the upper pressure plate assembly and the upper pressure plate assembly.
The lower pressing plate assembly comprises a first lower pressing plate 21 and a second lower pressing plate 22 which are arranged at intervals along the second direction, the upper pressing plate assembly comprises a first upper pressing plate 11 and a second upper pressing plate 12 which are arranged at intervals along the second direction, wherein the first upper pressing plate 11 is positioned right above the first lower pressing plate 21, and the second upper pressing plate 12 is positioned right above the second lower pressing plate 22. The first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate extend along the horizontal direction.
The same side of the first direction of the first lower pressing plate and the second lower pressing plate is provided with a first positioning block 3. Two second positioning blocks 4 are arranged on one side of the first lower pressing plate 21 departing from the second lower pressing plate 22 and one side of the second lower pressing plate 22 departing from the first lower pressing plate 21. Two second positioning blocks 4 positioned on the same side are arranged at intervals along the first direction.
The guide post 23 passes through the first lower pressing plate 21 in the second direction and is fixedly connected to the second lower pressing plate 22, and the first lower pressing plate 21 can move along the guide post 23 in the second direction to adjust the distance between the first lower pressing plate and the second lower pressing plate. In the present embodiment, two guide posts 23 are provided, and the two guide posts are parallel to each other and spaced apart from each other along the first direction.
Both ends of the first direction of the first lower pressing plate and the second lower pressing plate are respectively provided with a threaded hole 5, and a through hole is formed in the first upper pressing plate and corresponds to each threaded hole in the first lower pressing plate. And a through hole is formed in the second upper pressing plate corresponding to each threaded hole in the second lower pressing plate.
A screw is arranged corresponding to each threaded hole, and a nut 6 is screwed on the screw after the screw passes through the through hole corresponding to the threaded hole. Namely, the first upper pressing plate and the first lower pressing plate, and the second upper pressing plate and the second lower pressing plate are detachably connected together by bolts.
The overall weight of the gluing tool 100 in this embodiment is 8 kg.
In the first direction, the clear distance between the two screws on the first lower pressing plate is equal to the length of the reinforcing sheet, and the clear distance between the two screws on the second lower pressing plate is equal to the length of the reinforcing sheet.
In this embodiment, the lengths of the first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate are all 580mm in the first direction. In the second direction, the lengths of the first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate are all 90 mm.
In the first direction, the lengths of the first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate are the same; in the second direction, the widths of the first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate are the same.
In this embodiment, the thickness of the first upper pressing plate and the second upper pressing plate is 10mm, the thickness of the first lower pressing plate and the second lower pressing plate is 20mm, and the diameter of the guide column is 10 mm.
In the embodiment, the upper pressing plate and the lower pressing plate are both made of aluminum alloy materials; the guide post is made of stainless steel materials.
It is understood that in other embodiments, the clear distance between the two screws on the first lower pressing plate may be larger than the length of the reinforcing sheet, but the clear distance between the two screws on the first lower pressing plate is not too long, and the difference between the clear distance between the two screws on the first lower pressing plate and the length of the reinforcing sheet is preferably not more than 5 mm. The clear distance between the two screws on the second lower platen is also adapted to the above requirements.
For convenience of description, hereinafter, the reinforcing sheets are referred to as a first reinforcing sheet and a second reinforcing sheet, respectively, according to different positions.
When the glue bonding tool in the embodiment is used for bonding the reinforcing sheets on the test board, the first lower pressing plate is moved along the guide rod to enable the distance between the first lower pressing plate and the second lower pressing plate to reach a set distance, then the two first reinforcing sheets 7 are respectively bonded on the upper surfaces of the first lower pressing plate 21 and the second lower pressing plate 22 through the double-sided adhesive tape, the bonding agent is coated on the upper surface of the first reinforcing sheet 7, then the test board 8 is bonded on the two first reinforcing sheets 7, and the test board 8 is abutted against the first positioning block 3 and the second positioning block 4. In fig. 3, the first reinforcing sheet is provided only on the second lower pressing plate for clarity of illustration, and the first reinforcing sheet on the first lower pressing plate is not shown.
Two second reinforcing sheets 9 are respectively adhered to the lower surfaces of the first and second upper press plates 11 and 12 by double-sided tapes, and then an adhesive is applied to the lower surfaces of the two second reinforcing sheets 9. And pressing a first upper pressing plate 11 and a second upper pressing plate which carry a second reinforcing sheet 9 onto the test board 8, enabling a through hole in the first upper pressing plate to penetrate through a screw rod on the first lower pressing plate and a through hole in the second upper pressing plate to penetrate through a screw rod on the second lower pressing plate, and screwing a nut 6 on each screw rod to achieve a set locking torque.
Referring to fig. 4, finally, the bonding tool with the test board, the first stiffener and the second stiffener is fixed on the glass plate 101, the vacuum bag 102 is completely wrapped by the sealing adhesive tape, and the whole bonding tool is vacuumized, compacted, placed in an oven, and cured.
When the test boards are different in width in the second direction, the distance between the first lower pressing plate and the second lower pressing plate can be adjusted to adapt to different test boards.
Claims (5)
1. A gluing tool for a test plate reinforcing sheet is characterized by comprising an upper pressing plate assembly and a lower pressing plate assembly which are opposite up and down, wherein a test plate and the reinforcing sheet are placed between the upper pressing plate assembly and the upper pressing plate assembly;
the lower pressing plate assembly comprises a first lower pressing plate and a second lower pressing plate which are arranged at intervals along the second direction, and the upper pressing plate assembly comprises a first upper pressing plate and a second upper pressing plate which are arranged at intervals along the second direction, wherein the first upper pressing plate is positioned right above the first lower pressing plate, and the second upper pressing plate is positioned right above the second lower pressing plate; the first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate extend along the horizontal direction;
the first upper pressing plate and the first lower pressing plate, and the second upper pressing plate and the second lower pressing plate are detachably connected together by bolts;
the first lower pressing plate and the second lower pressing plate are both provided with a first positioning block at the same side in the first direction;
second positioning blocks are arranged on one side of the first lower pressing plate, which is far away from the second lower pressing plate, and one side of the second lower pressing plate, which is far away from the first lower pressing plate;
the guide post penetrates through the first lower pressing plate along the second direction and then is connected to the second lower pressing plate, and the first lower pressing plate can move along the guide post in the second direction so as to adjust the distance between the first lower pressing plate and the second lower pressing plate;
the first direction and the second direction both extend along the horizontal direction and are perpendicular to each other.
2. The gluing tool of claim 1,
the guide post structure is provided with two guide posts which are parallel to each other and arranged at intervals along a first direction.
3. The gluing tool of claim 1,
the thickness of the first upper pressing plate and the second upper pressing plate is 10mm, and the thickness of the first lower pressing plate and the second lower pressing plate is 20 mm; the upper pressing plate assembly and the lower pressing plate assembly are both made of aluminum alloy materials; the diameter of the guide post is 10mm, and the guide post is made of stainless steel materials.
4. The gluing tool of claim 1,
in the first direction, two ends of the first upper pressure plate are respectively connected to two ends of the first lower pressure plate through the bolts, and two ends of the second upper pressure plate are respectively connected to two ends of the second lower pressure plate through the bolts.
5. The gluing tool of claim 1,
in the first direction, the lengths of the first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate are the same;
in the second direction, the widths of the first upper pressing plate, the second upper pressing plate, the first lower pressing plate and the second lower pressing plate are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759541.XU CN213439204U (en) | 2020-08-20 | 2020-08-20 | Splicing tool for test board reinforcing sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759541.XU CN213439204U (en) | 2020-08-20 | 2020-08-20 | Splicing tool for test board reinforcing sheet |
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| Publication Number | Publication Date |
|---|---|
| CN213439204U true CN213439204U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021759541.XU Active CN213439204U (en) | 2020-08-20 | 2020-08-20 | Splicing tool for test board reinforcing sheet |
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| CN (1) | CN213439204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301488A (en) * | 2022-08-30 | 2022-11-08 | 浙江恒石纤维基业有限公司 | Combined material sample processing auxiliary fixtures |
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2020
- 2020-08-20 CN CN202021759541.XU patent/CN213439204U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301488A (en) * | 2022-08-30 | 2022-11-08 | 浙江恒石纤维基业有限公司 | Combined material sample processing auxiliary fixtures |
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