CN219870688U - Cross stretching experiment tool structure - Google Patents
Cross stretching experiment tool structure Download PDFInfo
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- CN219870688U CN219870688U CN202321295301.2U CN202321295301U CN219870688U CN 219870688 U CN219870688 U CN 219870688U CN 202321295301 U CN202321295301 U CN 202321295301U CN 219870688 U CN219870688 U CN 219870688U
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- 238000002474 experimental method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 49
- 238000009864 tensile test Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 230000001788 irregular Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model provides a cross stretching experiment tool structure, which comprises an upper tool main body and a lower tool main body, wherein: the upper main body of the tool clamps a first cross tensile test piece; the lower main body of the tool clamps a second-word stretching test piece; the first cross stretching test piece and the second cross stretching test piece are welded in a cross manner, and the first cross stretching test piece is arranged on the second cross stretching test piece; the upper tool body and the lower tool body are staggered in a cross manner in the vertical direction. The utility model has simple structure, ingenious design and convenient operation. The utility model reduces the different process requirements of the tooling for the production of irregular parts or special structural parts, reduces the production cost and the period for part turnover, and simultaneously applies the existing standard parts to compress and fix, thereby avoiding the problem of tool matching caused by using special customized tools. According to the characteristics of test piece assembly, the tool structure is optimally designed, so that the structure is simple and easy to process.
Description
Technical Field
The utility model relates to the field of machinery, in particular to a cross stretching experiment tool structure.
Background
Because the resistance spot welding and riveting connection technology is widely applied in the field of automobile body-in-white production, the two types of connection application positions belong to key connection positions, and at present, an accurate nondestructive method for judging the performance after welding or riveting is not available after connection. In order to confirm the performance after welding or riveting, one of the common methods is to stack test pieces in a cross-shaped manner, then weld or rivet together at a central position, and then use a universal tester to confirm the maximum force by tensile stripping. The traditional cross stretching tool has complex processing technology and high development cost, and can finish tool installation and test piece clamping only by using a special tool.
The traditional cross stretching tool has complex processing technology, high development cost and long processing period, and can finish tool installation and test piece clamping only by using special tool assistance.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a cross stretching experiment tool structure.
The utility model provides a cross stretching experiment tool structure, which comprises an upper tool main body and a lower tool main body, wherein:
the upper main body of the tool clamps a first cross tensile test piece;
the lower main body of the tool clamps a second-word stretching test piece;
the first cross stretching test piece and the second cross stretching test piece are welded in a cross manner, and the first cross stretching test piece is arranged on the second cross stretching test piece;
the upper tool body and the lower tool body are staggered in a cross manner in the vertical direction.
Preferably, the tooling upper body comprises an upper body clamping part, and the upper body clamping part comprises a first horizontal piece; and two first supporting pieces which are formed by extending downwards along the two sides of the length direction of the first horizontal piece, wherein each first supporting piece comprises a first supporting surface.
Preferably, a distance is arranged between the two first supporting pieces, and the distance is larger than the width of the lower main body of the tool.
Preferably, the first support surface is parallel to the first horizontal member.
Preferably, the test strip further comprises a compression block, the compression block is matched with the first supporting surface, and the first cross-shaped tensile test strip is compressed through the compression block and the first supporting surface.
Preferably, the compression block is connected by a fixing bolt, and the gap between the compression block and the first supporting surface is adjusted by the fixing bolt.
Preferably, the first horizontal member is provided with a first lug, and the first horizontal member slides along the width direction of the first horizontal member under the limit of the first lug.
Preferably, the tool lower body comprises a lower body clamping part, and the lower body clamping part comprises a second horizontal piece; and two second supporting pieces which are formed by extending upwards along the two sides of the length direction of the second horizontal piece, wherein each second supporting piece comprises a second supporting surface corresponding to the upper surface of the second horizontal piece.
Preferably, a distance is arranged between the two second supporting pieces, and the distance is larger than the width of the main body on the tool.
Preferably, the second horizontal member and the first horizontal member are disposed at 90 ° in the vertical direction.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model has simple structure, ingenious design and convenient operation.
2. The utility model reduces the different process requirements of the tooling for the production of irregular parts or special structural parts, reduces the production cost and the period for part turnover, and simultaneously applies the existing standard parts to compress and fix, thereby avoiding the problem of tool matching caused by using special customized tools.
3. According to the test piece assembly characteristics, the tool structure is optimally designed, so that the complexity of the tool processing technology is effectively reduced, and the development cost and the processing period are reduced by a simple and easy-to-process structure.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a cross-shaped tensile test piece.
Fig. 2 is a schematic diagram of the overall structure of the cross-shaped tensile test tool structure of the utility model.
Fig. 3 is a schematic diagram of a lower main structure of the cross-shaped tensile test tool structure of the present utility model.
Fig. 4 and 5 are schematic views of the main structure of the tooling of the cross-shaped tensile test tooling structure of the present utility model.
The figure shows:
main body 1 of tooling
First support 101
First support surface 102
Lower main body 2 of tool
Second support 201
Second support surface 202
Fixing bolt 3
Compression block 4
First ear 5
Second ear 6
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.
As shown in fig. 1 to 5, the cross-shaped tensile test tool structure provided by the utility model comprises an upper tool body 1 and a lower tool body 2, wherein: the upper tool body 1 clamps a first cross tensile test piece; the lower main body 2 of the tool clamps a twenty-first tensile test piece; the first cross stretching test piece and the second cross stretching test piece are welded in a cross manner, and the first cross stretching test piece is arranged on the second cross stretching test piece; the upper tool body 1 and the lower tool body 2 are staggered in a cross manner in the vertical direction.
Further, the upper tool body 1 comprises an upper body clamping part, and the upper body clamping part comprises a first horizontal piece; two first supporting members 101 are formed to extend downward along two sides of the length direction of the first horizontal member, and the first supporting members 101 include a first supporting surface 102. A space is arranged between the two first supporting pieces 101, and the space is larger than the width of the tool lower main body 2. The first support surface 102 is parallel to the first horizontal member. The test strip also comprises a compression block 4, wherein the compression block 4 is matched with the first supporting surface 102, and the first cross-shaped tensile test strip is compressed through the compression block 4 and the first supporting surface 102. The compression block 4 is connected through a fixing bolt 3, and the gap between the compression block and the first supporting surface 102 is adjusted through the fixing bolt 3. The first horizontal piece is provided with a first lug 5, and the first horizontal piece slides along the width direction of the first horizontal piece under the limit of the first lug 5.
The tool lower body 2 comprises a lower body clamping part, and the lower body clamping part comprises a second horizontal piece; two second supporting members 201 are formed to extend upward along both sides of the length direction of the second horizontal member, and the second supporting members 201 include second supporting surfaces 202 corresponding to the upper surfaces of the second horizontal members. A space is arranged between the two second supporting pieces 201, and the space is larger than the width of the upper main body 1 of the tool. The second horizontal member and the first horizontal member are disposed at 90 ° in the vertical direction.
More specifically, FIG. 1 shows a cross-shaped tensile test strip, which is formed by welding two strip-shaped test strips in a cross-shaped manner. Fig. 2 is a cross stretching experiment tool structure designed for a cross stretching test piece, which comprises an upper tool body 1 and a lower tool body 2, and is used for clamping a first cross stretching test piece and a second cross stretching test piece respectively. Because the two cross stretching test pieces are mutually perpendicular, the upper tool body 1 and the lower tool body 2 are also perpendicular in the vertical direction.
The upper main body 1 of the tool is similar to the lower main body 2 of the tool in structure, the setting directions are opposite, the upper main body 1 of the tool is connected to a test piece clamp of the testing machine through a first lug 5 which is slidable, and the lower main body 2 of the tool is provided with a second lug 6 which is connected to the test piece clamp of the testing machine. The second lug 6 is integrally arranged with the tool lower body 2.
Further, a through groove is formed in the upper surface of the tool upper body 1 along the width direction, and the through groove is structured to ensure that the first lug 5 slides in the through groove along the width direction of the tool upper body 1, and ensure that the first lug 5 can hang the tool upper body 1. A through groove having a trapezoidal cross section is provided as shown in fig. 2, wherein the width of the upper opening of the through groove is smaller than the width of the bottom surface of the through groove. The through slots may also be provided in other shapes, such as an i-shape or the like.
The fixture is characterized in that the fixture upper main body 1 on two sides of the first lug 5 is provided with a fixing bolt 3, the fixing bolt 3 penetrates through a first horizontal piece of the fixture upper main body 1, the end of the fixing bolt 3 is connected with a compression block 4, and the compression block 4 is adjusted through the fixing bolt 3, so that the compression function of the cross tensile test piece is realized. As shown in fig. 4, the first supporting member 101 is L-shaped and is mainly formed by extending downward and inward from two sides of the first horizontal member. A gap is arranged between the two first supporting pieces 101, and the size of the gap is required to be larger than the width of the lower main body 2 of the tool.
According to the utility model, when the test piece is clamped by the cross stretching tool, the moving direction of the avoidance structure is adjusted; the existing clamping head clamping tool of the universal testing machine is directly used, the requirement for matching the clamping size of the tool is reduced, the tool structure can be made to be very simple, the machining of the tool main body can be finished by directly using a linear cutting process, and therefore the complexity of the machining process of the tool is effectively reduced, and the development cost and the machining period are reduced. The test piece is pressed by using the mode of bolts and pressing blocks, so that the clamping of the test piece can be completed by using a common tool.
The working principle of the utility model is as follows: when the test is started, the upper lug and the lower lug of the tensile tool are clamped by the test piece clamping head of the common universal testing machine, then the cross tensile test piece is firstly filled into the lower tool main body, the test piece is tightly pressed by the adjusting bolt and the pressing block 4, then the bolt of the upper tool main body 1 is adjusted, the upper tool main body 12 can relatively slide relative to the lower tool main body 2 to avoid the test piece, the upper tool main body 1 integrally descends to the position where the test piece can be assembled, the upper tool main body 1 slides back to the position flush with one side of the test piece, the bolt is screwed, the test piece is tightly pressed by the pressing block 4, and the test piece can be assembled, so that the test can be started.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the utility model and the features of the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a tensile experiment frock structure of cross, its characterized in that, including main part and frock lower main part on the frock, wherein:
the upper main body of the tool clamps a first cross tensile test piece;
the lower main body of the tool clamps a second-word stretching test piece;
the first cross stretching test piece and the second cross stretching test piece are welded in a cross manner, and the first cross stretching test piece is arranged on the second cross stretching test piece;
the upper tool body and the lower tool body are staggered in a cross manner in the vertical direction.
2. The cross-draw experiment tooling structure of claim 1, wherein the tooling upper body comprises an upper body clamp, the upper body clamp comprising a first horizontal member; and two first supporting pieces which are formed by extending downwards along the two sides of the length direction of the first horizontal piece, wherein each first supporting piece comprises a first supporting surface.
3. The cross-shaped tensile test tool structure of claim 2, wherein a space is provided between two first support members, and the space is greater than the width of the lower body of the tool.
4. The cross-draw experiment tooling structure of claim 2, wherein the first support surface is parallel to the first horizontal member.
5. The cross-shaped tensile test tool structure of claim 2, further comprising a compression block, wherein the compression block is matched with the first supporting surface, and the first cross-shaped tensile test piece is compressed through the compression block and the first supporting surface.
6. The cross-shaped tensile test fixture structure of claim 5, wherein the compression blocks are connected through fixing bolts and the gap between the compression blocks and the first supporting surface is adjusted through the fixing bolts.
7. The cross-shaped tensile test tool structure of claim 2, wherein a first lug is arranged on the first horizontal member, and the first horizontal member slides along the width direction of the first horizontal member under the limit of the first lug.
8. The cross-draw experiment tooling structure of claim 2, wherein the tooling lower body comprises a lower body clamp, the lower body clamp comprising a second horizontal member; and two second supporting pieces which are formed by extending upwards along the two sides of the length direction of the second horizontal piece, wherein each second supporting piece comprises a second supporting surface corresponding to the upper surface of the second horizontal piece.
9. The cross-shaped tensile test tool structure of claim 8, wherein a space is provided between two second support members, and the space is greater than the width of the main body on the tool.
10. The cross-draw experiment tooling structure of claim 8, wherein the second horizontal member and the first horizontal member are disposed at 90 ° in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321295301.2U CN219870688U (en) | 2023-05-25 | 2023-05-25 | Cross stretching experiment tool structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321295301.2U CN219870688U (en) | 2023-05-25 | 2023-05-25 | Cross stretching experiment tool structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219870688U true CN219870688U (en) | 2023-10-20 |
Family
ID=88338090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321295301.2U Active CN219870688U (en) | 2023-05-25 | 2023-05-25 | Cross stretching experiment tool structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219870688U (en) |
-
2023
- 2023-05-25 CN CN202321295301.2U patent/CN219870688U/en active Active
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