CN221350927U - Frock clamp for metal material performance test - Google Patents
Frock clamp for metal material performance test Download PDFInfo
- Publication number
- CN221350927U CN221350927U CN202323269524.4U CN202323269524U CN221350927U CN 221350927 U CN221350927 U CN 221350927U CN 202323269524 U CN202323269524 U CN 202323269524U CN 221350927 U CN221350927 U CN 221350927U
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- Prior art keywords
- extrusion
- steel pipe
- metal material
- wall
- testing
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- 239000007769 metal material Substances 0.000 title claims abstract description 17
- 238000011056 performance test Methods 0.000 title abstract description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 81
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 description 14
- 238000009864 tensile test Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a tool clamp for a metal material performance test, which comprises a fixed cylinder, wherein a mounting column is arranged in the fixed cylinder, a slot for inserting a steel pipe wall is formed between the mounting column and the fixed cylinder, extrusion grooves which are circumferentially and alternately distributed along the mounting column are formed in the peripheral surface of the mounting column, the extrusion grooves are communicated with the slot, extrusion blocks for extruding the inner wall of the steel pipe are arranged in the extrusion grooves, a hollow structure is arranged in the mounting column, an extrusion rod in threaded connection is arranged in the mounting column, the extrusion rod is used for extruding the extrusion blocks to the inner wall of the steel pipe, and one surface of the extrusion block, which is positioned in the mounting column, is of an arc-shaped structure for extrusion rod extrusion.
Description
Technical Field
The utility model relates to the field of metal material performance tests, in particular to a tool clamp for a metal material performance test.
Background
The tensile testing machine is generally used for testing the tensile property of a metal material, and when the metal rod is used for testing the tensile property of the metal, two ends of the metal rod are required to be fixed through the upper bench clamp and the lower bench clamp of the tensile testing machine. If the clamping force of the bench clamp on the steel pipe is too large, the steel pipe can be clamped and deformed, and if the clamping force of the bench clamp on the steel pipe is too small, the steel pipe can be separated from the bench clamp in the stretching experiment. Therefore, when the conventional tensile testing machine is used for carrying out a tensile test on the hollow metal pipe, an operator can only clamp and fix the steel pipe by experience. In order to clamp and fix the metal pipe, the application number is: 201620317250.2 to China patent, which is a novel clamping device capable of saving raw materials for drawing a metal pipe, is used for fixing the outer wall of the steel pipe through two clamping blocks with sector sectional areas, and simultaneously placing a cylindrical cushion block in the steel pipe to support the inside of the steel pipe. The proper cushion block and clamping block are selected according to the inner diameter and the outer diameter of the metal pipe to be used in the using process, so that the universal use of the clamping device is poor. Because the metal tube is produced in batch, errors can be avoided, and if the size of the metal tube is in error in the use process, gaps exist between the inner wall and the outer wall of the metal tube and the clamping blocks and between the inner wall and the outer wall of the metal tube and the cushion blocks, so that the metal tube or the clamping blocks can be deformed in the process of clamping the metal tube, and errors can be caused in measurement data due to the deformation of the metal tube and the clamping blocks.
Disclosure of utility model
The utility model aims to provide a tool clamp for testing the performance of a metal material, which is used for assisting a bench clamp of a tensile testing machine to fix a steel pipe, enhancing the universality of the clamp and reducing errors of measured data caused by the clamp.
In order to solve the technical problems, the utility model adopts the following specific scheme:
The utility model provides a frock clamp for metal material performance test, including the fixed section of thick bamboo, be equipped with the erection column in the fixed section of thick bamboo, be formed with the slot that is used for inserting the steel pipe wall between erection column and the fixed section of thick bamboo, be equipped with the extrusion groove that follows erection column circumference interval distribution on the global of erection column, the extrusion groove is linked together with the slot, be equipped with the extrusion piece that is used for extruding the steel pipe inner wall in the extrusion groove, the erection column is inside to be hollow structure, the inside extrusion rod that is equipped with threaded connection of erection column, the extrusion rod is used for extruding the extrusion piece to the steel pipe inner wall, the one side that the extrusion piece is located the erection column is the arc structure and supplies the extrusion rod extrusion.
Fixing holes which are arranged corresponding to the extrusion grooves are distributed on the outer peripheral surface of the fixing cylinder at intervals, and fixing bolts used for extruding the outer wall of the steel pipe are arranged in the fixing holes.
And one surface of the extrusion block facing the inner wall of the steel pipe is provided with anti-skid patterns.
The bottom of the fixed cylinder is provided with a clamping block which extends downwards and is used for being matched with the bench clamp for fixing.
The clamping block is provided with an anti-skid groove on one surface facing the bench clamp.
The bottom of the extrusion rod is provided with a connecting block used for clamping by an operator, and the connecting block is of a polygonal structure.
The connecting block is provided with a through jack, the jack is provided with a connecting rod in sliding connection, and the connecting rod is used for rotating the extrusion rod by an operator.
The corner of the extrusion rod, which is contacted with the extrusion block, is of an arc-shaped structure.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
The slot formed between the fixed cylinder and the mounting column is used for facilitating the insertion of the steel tube, the extrusion rod is rotated to eject the extrusion block from the extrusion slot, so that the inner wall of the steel tube is fixed, the outer wall of the steel tube can be fixed by rotating the fixing bolt, and the fixing bolt and the extrusion block are mutually corresponding in position, so that the inner wall of the steel tube can be effectively clamped by the cooperation of the extrusion block and the fixing bolt. Because the steel pipe is clamped by the cooperation of the extrusion block and the fixing bolt, the utility model has the following two beneficial effects:
1. the extrusion blocks and the fixing bolts can be changed along with the change of the steel pipes with different sizes, and compared with the prior application mentioned in the background art, the steel pipe clamping device has stronger universality of clamping the steel pipes through the extrusion blocks and the fixing bolts.
2. Because the extrusion block and the fixing bolt are in point-to-point correspondence, even if the clamping force is large, the steel pipe cannot deform due to extrusion, so that the error generated by the tool clamp in the tensile test process is smaller.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a side view of the present utility model in cross-section;
Reference numerals: a fixed cylinder 1; a clamping block 2; an extrusion rod 3; a connecting block 4; a jack 5; a cleat 6; a mounting post 7; a fixing bolt 8; a slot 9; extruding a block 10; the groove 11 is pressed.
Detailed Description
According to the utility model, the pipe wall of the steel pipe is inserted into the slot 9, then the extrusion rod 3 pushes the extrusion block 10 to fixedly support the inner wall of the steel pipe, then the fixing bolt 8 is rotated to fix the outer wall of the steel pipe, and the extrusion block 10 and the fixing bolt 8 are used for fixing the inner wall and the outer wall of the steel pipe at the same time, so that the steel pipe can be effectively fixed.
As shown in fig. 1, a fixture for testing performance of metal materials comprises a fixed cylinder 1, wherein the fixed cylinder 1 is of a cylindrical structure, a clamping block 2 of an integrated structure is arranged at the bottom of the fixed cylinder 1, the clamping block 2 is of a square structure, the clamping block 2 is used for clamping and fixing bench clamps of a tensile testing machine, and an anti-slip groove 6 is arranged on one surface, facing the bench clamps, of the clamping block 2. An integral mounting column 7 is arranged in the fixed cylinder 1, a slot 9 is formed between the mounting column 7 and the inner wall of the fixed cylinder 1, and the slot 9 is used for being inserted into the pipe wall of the steel pipe. As shown in fig. 2 and 3, the mounting column 7 is of a hollow structure, the bottom of the clamping block 2 is provided with a mounting hole, the mounting hole is penetrated into the mounting column 7 all the time, extrusion grooves 11 are distributed on the inner wall of the mounting column 7 at intervals, the extrusion grooves 11 are distributed along the axis of the mounting column 7, and the extrusion grooves 11 are communicated with the slots 9. The extrusion groove 11 is internally provided with the extrusion block 10, one surface of the extrusion block 10, which is positioned inside the mounting column 7, is of an arc-shaped structure, one surface of the extrusion block 10, which is positioned inside the slot 9, is a plane, and the plane is also provided with anti-skid patterns, and the anti-skid patterns can fully play an anti-skid role when the extrusion block 10 is contacted with the inner wall of the steel pipe. The extrusion rod 3 in threaded connection is assembled in the mounting hole, the extrusion rod 3 is used for extruding the extrusion block 10 from the extrusion inslot to the inner wall of steel pipe, the arc structure on the extrusion block 10 can be convenient for the extrusion rod 3 promote, the edge edges and corners of extrusion rod 3 and extrusion block 10 contact are arc structure. Fixing holes are distributed on the outer peripheral surface of the fixing barrel 1 at intervals, the positions of the fixing holes correspond to the positions of the extrusion grooves 11, fixing bolts 8 used for fixing the outer wall of the steel pipe are arranged in the fixing holes, and the fixing bolts 8 and the extrusion blocks 10 are used for fixing the steel pipe at the same time and can be used for effectively fixing the steel pipe.
As shown in fig. 1, the bottom of the extrusion rod 3 is further provided with a connecting block 4, the connecting block 4 is of a square structure, the connecting block 4 of the square structure can be clamped by pliers or a wrench when an operator rotates, a jack 5 is arranged on the upper sea of the connecting block 4, a connecting rod (not shown in the drawing) is slidably connected in the jack 5, the connecting rod can be conveniently inserted into the jack 5 by the operator to rotate the extrusion rod 3, and the connecting rod of the sliding connection can effectively increase the arm of force of the connecting rod, so that the operating operator can conveniently use the connecting rod.
The use method of the utility model is briefly described as follows:
The fixture clamp is characterized in that two ends of a steel pipe needing to be subjected to a stretching experiment are respectively provided with the fixture clamp, the pipe wall of the steel pipe is inserted into the slot 9, then the extrusion rod 3 is rotated to enable the extrusion rod to extrude the extrusion blocks 10 to the inner wall of the steel pipe, after all the extrusion blocks 10 are firmly fixed with the pipe wall of the steel pipe, the fixing bolts 8 are rotated, and the positions of the fixing bolts 8 correspond to the positions of the extrusion blocks 10, so that the fixing bolts 8 can be locked to be matched with the extrusion blocks 10 to fix the steel pipe and the fixture clamp. After the fixing is completed, the clamping block 2 is placed on a bench vice of a tensile testing machine, the clamping block 2 is fixed through the bench vice of the tensile testing machine, and the fixing is completed, so that a stretching experiment on the steel pipe can be started.
Claims (8)
1. A tool clamp for testing performance of metal materials is characterized in that: including fixed section of thick bamboo (1), be equipped with erection column (7) in fixed section of thick bamboo (1), be formed with slot (9) that are used for inserting the steel pipe between erection column (7) and the fixed section of thick bamboo (1), be equipped with on the global of erection column (7) along erection column (7) circumference interval distribution's extrusion groove (11), extrusion groove (11) are linked together with slot (9), be equipped with in extrusion groove (11) and be used for extrusion piece (10) of steel pipe inner wall, the inside hollow structure that is of erection column (7), inside threaded connection's extrusion pole (3) that are equipped with of erection column (7), extrusion pole (3) are used for extruding extrusion piece (10) to steel pipe inner wall, extrusion piece (10) are located the inside one side of erection column (7) and supply extrusion pole (3) to extrude for the arc structure.
2. The tool clamp for testing the performance of the metal material according to claim 1, wherein: fixing holes which are arranged corresponding to the extrusion grooves (11) are distributed on the outer peripheral surface of the fixing cylinder (1) at intervals, and fixing bolts (8) used for extruding the outer wall of the steel pipe are arranged in the fixing holes.
3. The tool clamp for testing the performance of the metal material according to claim 1, wherein: and one surface of the extrusion block (10) facing the inner wall of the steel pipe is provided with anti-skid patterns.
4. The tool clamp for testing the performance of the metal material according to claim 1, wherein: the bottom of fixed section of thick bamboo (1) is equipped with downwardly extending fixture block (2) that are used for cooperation bench clamp centre gripping to use, and fixture block (2) are square structure.
5. The tool clamp for testing the performance of the metal material according to claim 4, wherein: an anti-skid groove (6) is arranged on one surface of the clamping block (2) facing the bench clamp.
6. The tool clamp for testing the performance of the metal material according to claim 1, wherein: the bottom of the extrusion rod (3) is provided with a connecting block (4) for clamping by an operator, and the connecting block (4) is of a polygonal structure.
7. The tool clamp for testing the performance of the metal material according to claim 6, wherein: the connecting block (4) is provided with a through jack (5), a connecting rod in sliding connection is assembled in the jack (5), and the connecting rod is used for rotating the extrusion rod (3) by an operator.
8. The tool clamp for testing the performance of the metal material according to claim 1, wherein: the corners of the extrusion rod (3) contacted with the extrusion block (10) are arc-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323269524.4U CN221350927U (en) | 2023-12-01 | 2023-12-01 | Frock clamp for metal material performance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323269524.4U CN221350927U (en) | 2023-12-01 | 2023-12-01 | Frock clamp for metal material performance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221350927U true CN221350927U (en) | 2024-07-16 |
Family
ID=91834773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323269524.4U Active CN221350927U (en) | 2023-12-01 | 2023-12-01 | Frock clamp for metal material performance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221350927U (en) |
-
2023
- 2023-12-01 CN CN202323269524.4U patent/CN221350927U/en active Active
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