CN217505354U - Polishing tool for stainless steel strip line tensile test - Google Patents
Polishing tool for stainless steel strip line tensile test Download PDFInfo
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- CN217505354U CN217505354U CN202121734607.4U CN202121734607U CN217505354U CN 217505354 U CN217505354 U CN 217505354U CN 202121734607 U CN202121734607 U CN 202121734607U CN 217505354 U CN217505354 U CN 217505354U
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- steel strip
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- tensile test
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Abstract
The utility model relates to a frock of polishing for stainless steel strip line tensile test, including bottom plate, middle part locating plate and locking seat, bottom plate up end middle part be provided with the middle part locating plate, bottom plate up end front end department is provided with locking seat, locking seat in be provided with the screw thread regulation pole, the middle part outer lane of screw thread regulation pole is helicitic texture, its rear end and clamp plate butt joint, the handle is installed to its front end, screw thread regulation pole and locking seat between through threaded connection, bottom plate up end rear portion be provided with the pressure platform structure that matches with the clamp plate. The utility model has the characteristics of easy and simple to handle, low in production cost, improve work efficiency, ensure sample dimensional tolerance and form tolerance etc.
Description
Technical Field
The utility model relates to a this area of stainless steel cutting frock technical field especially relates to a frock of polishing for stainless steel strip line tensile test.
Background
When the material is too thin (the thickness is less than 0.1mm), the smoothness and the defect of the edge part cannot be well guaranteed by a common processing method, so that the real performance of the material cannot be reflected by a test performance data result when the material is subjected to a tensile test, and the situation that the real performance is seriously lower than the actual performance is often caused. (regarding the tensile test method of materials with the thickness of less than 0.1mm, the requirement of GB/T228.1-2010 standard is exceeded, and only relevant industry standards can be used as guidance.)
The common polishing method for the tensile sample is not suitable for the thin material, and the material is easy to deform, crease and the like in the polishing process, so that new defects are produced, and the tensile test fails.
In order to solve the above technical problems, it is necessary to design a polishing tool for the strip line tensile test.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a frock of polishing for stainless steel strip line tensile test is provided, very big improvement ultra-thin stainless steel (thickness is less than 0.1mm) tensile test success rate once for the accuracy of test result obtains improving, can carry out the quality control of material effectively, makes things convenient for the process control, promotes the quality that the accurate metal takes.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a frock of polishing for stainless steel strip line tensile test, includes bottom plate, middle part locating plate and locking seat, bottom plate up end middle part be provided with the middle part locating plate, bottom plate up end front end department is provided with locking seat, locking seat in be provided with the screw thread regulation pole, the middle part outer lane of screw thread regulation pole is helicitic texture, its rear end and clamp plate butt joint, the handle is installed to its front end, screw thread regulation pole and locking seat between through threaded connection, bottom plate up end rear portion be provided with the pressure platform structure that matches with the clamp plate.
As a supplement to the technical scheme, the middle part of the middle positioning plate is provided with a longitudinal guide hole, and the lower part of the pressing plate is clamped in the longitudinal guide hole.
As a supplement to the technical scheme, the edges of the two sides of the bottom plate are provided with connecting straight holes.
As a supplement to the technical scheme, the rear side of the pressing plate and the front side of the pressing platform structure are respectively provided with an ultrathin steel strip sample.
As a supplement to the technical scheme, the ultrathin steel strip sample is butted with a pressing plate or a pressing table structure through foam rubber.
A use method of a polishing tool for stainless steel strip line tensile test comprises the following specific steps: (a) processing two dumbbell-shaped ultrathin steel strip samples with the thickness of 1.0mm and the Vickers hardness of more than 300 by using a linear cutting method; (b) the ultrathin steel strip sample is butted with a pressing plate and a pressing table structure of the tool through foamed glue; (c) then the handle is rotated, the screw thread adjusting rod interacts with the locking seat to enable the screw thread adjusting rod to control the pressure plate to move backwards, and the butt clamping of two ultrathin steel strip samples is completed; (d) and polish to sample limit portion one by one with 600# and 800# abrasive paper, notice the dynamics of polishing, the in-process sample of polishing can not warp.
And c, after the ultra-thin steel strip sample is formed in the step a, preliminary polishing is needed, and the samples in the same batch need to be polished in a concentrated mode during polishing, so that the deformation of the polished sample of a single sample is avoided.
And c, in the step b, the upper side edge of the ultrathin steel strip sample is 1mm higher than the upper edge of the pressure plate or the pressure table structure.
And d, when the manual polishing is carried out in the step d, polishing needs to be carried out from one dumbbell-shaped arc line end of the ultrathin steel strip sample to the other arc line end, stopping cannot be carried out midway, marks are avoided, and the subsequent polishing direction and mode need to be kept consistent. When 600# metallographic abrasive paper and 800# metallographic abrasive paper are switched, the grinding direction needs to be adjusted.
The edge of the ultrathin steel strip sample is polished successively by 600# sand paper and 800# sand paper, the polishing force is noticed, and the sample cannot deform in the polishing process.
Has the advantages that: the utility model relates to a frock of polishing for stainless steel strip line tensile test, specific beneficial effect as follows:
(1) the shapes of the dumbbell-shaped ultrathin steel strip samples on the two sides are consistent with that of a sample to be tested, so that the sample to be tested can be better protected, and the sample is prevented from deforming in the polishing process;
(2) the purpose of adhering the foam adhesive is that the foam adhesive has certain elasticity, so that the stress of an ultrathin steel belt sample can be guaranteed to be even when the sample is clamped, and the sample to be tested is prevented from generating marks when the sample is clamped, so that the tensile test is influenced.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a graph of test results for an untreated tensile specimen;
FIG. 4 shows the results of a test in which a tensile specimen has been treated in accordance with the method.
The figure is as follows: 1. the device comprises a bottom plate, 2, a locking seat, 3, a thread adjusting rod, 4, a pressing platform structure, 5, a longitudinal guide hole, 6, a middle positioning plate, 7, a connecting straight hole, 8, a handle, 9, foam rubber, 10, an ultrathin steel strip sample, 11 and a pressing plate.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications can be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model discloses an embodiment relates to a frock of polishing for stainless steel strip line tensile test, as shown in fig. 1-4, including bottom plate 1, middle part locating plate 6 and locking seat 2, 1 up end middle part of bottom plate be provided with middle part locating plate 6, 1 up end front end department of bottom plate is provided with locking seat 2, locking seat 2 in be provided with screw thread adjusting rod 3, screw thread adjusting rod 3's middle part outer lane is helicitic texture, its rear end and 11 butt joints of clamp plate, handle 8 is installed to its front end, screw thread adjusting rod 3 and locking seat 2 between through threaded connection, 1 up end rear portion of bottom plate be provided with the pressure platform structure 4 that matches with clamp plate 11.
As a supplement to the technical solution, the middle of the middle positioning plate 6 is provided with a longitudinal guide hole 5, and the lower portion of the pressing plate 11 is clamped into the longitudinal guide hole 5.
As a supplement to the technical scheme, the edges of two sides of the bottom plate 1 are provided with connecting straight holes 7.
As a supplement to the present technical solution, the rear side of the pressing plate 11 and the front side of the pressing table structure 4 are respectively provided with an ultra-thin steel strip sample 10.
As a supplement to the technical solution, the ultra-thin steel strip sample 10 is butted with the pressing plate 11 or the pressing table structure 4 through the foam rubber 9.
A use method of a polishing tool for stainless steel strip line tensile test comprises the following specific steps: a. processing two dumbbell-shaped ultrathin steel strip samples 10 with the thickness of 1.0mm and the Vickers hardness of more than 300 by using a linear cutting method; b. the ultrathin steel strip sample 10 is butted with a pressing plate 11 and a pressing platform structure 4 of the tool through foam rubber 9; c. then, the handle 8 is rotated, the threaded adjusting rod 3 interacts with the locking seat 2, so that the threaded adjusting rod 3 controls the pressing plate 11 to move backwards, and the butt clamping of two ultrathin steel strip samples 10 is completed; d. the sample edge is polished successively by 600# and 800# sandpaper, the polishing force is noticed, and the sample cannot deform in the polishing process.
After the ultra-thin steel strip sample 10 is formed in the step a, preliminary polishing is needed, and when polishing is conducted, samples in the same batch need to be polished in a concentrated mode, so that deformation of a single sample polished sample is avoided.
And in the step b, the upper side edge of the ultrathin steel strip sample 10 is 1mm higher than the upper edge of the pressing plate 11 or the pressing platform structure 4.
And d, when the manual polishing is carried out in the step d, polishing needs to be carried out from one dumbbell-shaped arc line end to the other dumbbell-shaped arc line end of the ultrathin steel strip sample 10, the polishing cannot be stopped midway, marks are avoided, and the subsequent polishing direction and mode need to be kept consistent. When 600# metallography abrasive paper and 800# metallography abrasive paper switch, need adjust the direction of polishing.
And (3) polishing the edge part of the ultrathin steel strip sample 10 successively by using 600# and 800# abrasive paper, paying attention to polishing force, and enabling the sample not to deform in the polishing process.
The following examples:
| sample name | Trade mark | Thickness of material | Vickers hardness HV0.05 |
| 1 | 304 | 0.05mm | 178 |
The results of the test on the untreated tensile specimen are shown in FIG. 3;
the test sample is broken in advance, the fracture direction of the material is perpendicular to the stretching direction of the test sample, the material characteristics are not met, the test fails, and the test data is invalid.
The test results of the tensile test specimens treated according to the method are shown in FIG. 4;
the test sample is normally broken, the fracture direction of the material and the stretching direction form an angle of about 45 degrees, the test is successful, and the test data is effective.
Claims (5)
1. The utility model provides a frock of polishing for stainless steel strip line tensile test which characterized in that: including bottom plate (1), middle part locating plate (6) and locking seat (2), bottom plate (1) up end middle part be provided with middle part locating plate (6), bottom plate (1) up end front end department is provided with locking seat (2), locking seat (2) in be provided with screw thread adjusting rod (3), the middle part outer lane of screw thread adjusting rod (3) is helicitic texture, its rear end and clamp plate (11) butt joint, handle (8) are installed to its front end, screw thread adjusting rod (3) and locking seat (2) between through threaded connection, bottom plate (1) up end rear portion be provided with the pressure platform structure (4) that matches with clamp plate (11).
2. The grinding tool for the tensile test of the stainless steel strip wire according to claim 1, characterized in that: the middle part of the middle positioning plate (6) is provided with a longitudinal guide hole (5), and the lower part of the pressing plate (11) is clamped in the longitudinal guide hole (5).
3. The grinding tool for the tensile test of the stainless steel strip wire according to claim 1, characterized in that: the edges of two sides of the bottom plate (1) are provided with connecting straight holes (7).
4. The grinding tool for the tensile test of the stainless steel strip wire according to claim 1, characterized in that: and ultrathin steel strip samples (10) are respectively arranged on the rear side of the pressing plate (11) and the front side of the pressing platform structure (4).
5. The grinding tool for the tensile test of the stainless steel strip wire according to claim 4, wherein the grinding tool comprises: the ultrathin steel strip sample (10) is butted with the pressing plate (11) or the pressing platform structure (4) through the foam rubber (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121734607.4U CN217505354U (en) | 2021-07-28 | 2021-07-28 | Polishing tool for stainless steel strip line tensile test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121734607.4U CN217505354U (en) | 2021-07-28 | 2021-07-28 | Polishing tool for stainless steel strip line tensile test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217505354U true CN217505354U (en) | 2022-09-27 |
Family
ID=83338210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121734607.4U Active CN217505354U (en) | 2021-07-28 | 2021-07-28 | Polishing tool for stainless steel strip line tensile test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217505354U (en) |
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2021
- 2021-07-28 CN CN202121734607.4U patent/CN217505354U/en active Active
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