CN208155730U - A kind of Strip hot-stretch fixture suitable for hot modeling test machine - Google Patents
A kind of Strip hot-stretch fixture suitable for hot modeling test machine Download PDFInfo
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- CN208155730U CN208155730U CN201820629336.8U CN201820629336U CN208155730U CN 208155730 U CN208155730 U CN 208155730U CN 201820629336 U CN201820629336 U CN 201820629336U CN 208155730 U CN208155730 U CN 208155730U
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Abstract
The utility model provides the Strip hot-stretch fixture on a kind of hot modeling test machine, including a pair of of pole shape fixture, the platform of fixed sample is machined in fixture one end, middle part is placed in the semi-circular recesses for the trapezoidal grip block that testing machine has been provided with, and the cartridge device that the other end and testing machine are equipped with is connected through a screw thread and installs into testing machine system.Hot-stretch sample is sample used in common mechanics machine, is machined with circular hole in clamping end and is closely connect using bolt and nut with pole shape fixture.Fixture selects conductive, thermally conductive good material, makes it have good electric conductivity, conductivity of heat, to adapt to the requirement of resistor-type hot modeling test machine, can carry out Strip hot tensile test and various heat treatment process.The utility model has the advantage of easy to process, structure is reliable, and it is convenient to load and unload, and can effectively utilize the original round bar shape hot-stretch system of equipment.
Description
Technical field
The utility model belongs to materials mechanics experimental device field, and in particular to a kind of plate suitable for hot modeling test machine
Band hot-stretch fixture.
Background technique
The clamping device of existing resistor-type hot modeling test machine, structure include two pairs of trapezoidal folders that bilateral symmetry is placed
Hold block, grip block is provided with semi-circular recesses in the side towards sample, and round bar shape sample is placed in a groove, upper and lower grip block with
Sample is in close contact, and is formed into a loop after energization, is heated using sample as resistance, and cooperation hydraulic system is stretched and compressed
Test, therefore, which is designed only for the stretching of bar and compression test, does not have Strip hot tensile test
Requirement.
In order to using the thermoplasticity of the band-like steel of hot modeling test machine test board, calorific intensity, drop stamping performance and
Relevant heat treatment process is carried out, a kind of fixture dress that can adapt to different-thickness Strip sample and carry out hot-stretch test is needed
It sets, and structure is complicated by hot modeling test machine Strip hot-stretch fixture such as CN201740695U of existing design etc., without abundant
Using the existing clamping device of equipment, and fixture uses the jaw with the flat age of a draught animal to clamp sample, due to not having centering
The case where device be easy to cause sample center line to deviate draw direction generation.
Utility model content
The utility model provides a kind of Strip hot-stretch fixture suitable for hot modeling test machine, utilizes thermal modeling test
The existing trapezoidal grip block of machine and cartridge device, can Strip sample to different-thickness carry out hot-stretch test.
In order to solve the above technical problems, the utility model uses such as following proposal：
There are screw thread in a kind of Strip hot-stretch fixture suitable for hot modeling test machine, one end of fixture, by screw thread with
The cartridge device of hot modeling test machine connects；The other end of fixture is circular arc column, is provided with the circular hole of vertical plane in the plane, is pressed from both sides
Tool is fixed by circular hole with bolt with tensile sample；The middle part of fixture is cylindric.
Further, the length L of the screw thread of the Strip hot-stretch fixture suitable for hot modeling test machine1It is not more than
The length of cartridge device.
Further, thermal simulation examination is placed in the middle part of the Strip hot-stretch fixture suitable for hot modeling test machine
It tests in the semi-circular recesses of trapezoidal grip block of machine, the length L at the middle part of fixture2With the height h of trapezoidal grip block2It is isometric.
Further, the height h of the circular arc column of the Strip hot-stretch fixture suitable for hot modeling test machine1It is full
Foot：h1+ d/2=r, wherein d is the thickness of tensile sample, and r is the radius of cylinder.
Further, the circular hole position of opening of the Strip hot-stretch fixture suitable for hot modeling test machine is along flat
Face center line is symmetrical, guarantees that centering can be completed while bolt and fixed tensile sample.
Compared with prior art, the utility model has the advantages that：
1. the utility model can effectively utilize the existing trapezoidal grip block of hot modeling test machine and cartridge device, therefore
Simple and reliable for structure, it is convenient to dismount.
2. the Strip tensile sample that the dress sample platform that the utility model uses can be suitable for different-thickness.
3. the dress sample platform of the utility model is machined with circular hole and is fixed with sample by bolt and nut, while fixed
Sample can complete centering.
Detailed description of the invention：
Fig. 1 is assembling schematic diagram when the utility model is used；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of sample used in the utility model；
Fig. 4 is the hot-stretch curve graph obtained using the utility model；
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
There are screw thread in a kind of Strip hot-stretch fixture suitable for hot modeling test machine, one end of fixture, by screw thread with
The cartridge device 1 of hot modeling test machine connects；The other end of fixture is circular arc column, is provided with the circular hole 2 of vertical plane in the plane,
Fixture and tensile sample 3 are fixed with bolt 4 by circular hole 2；The height h of circular arc column1Meet：h1+ d/2=r, wherein d is to stretch examination
The thickness of sample 3, r are the radius of cylinder.2 position of opening of circular hole is symmetrical along plane centreline, guarantees that bolt 4 and tensile sample 3 are solid
Centering can be completed while determining.The middle part of fixture is cylindric.The length L of screw thread1No more than the length of cartridge device 1.Folder
It is placed in the middle part of tool in the semi-circular recesses of trapezoidal grip block 5 of hot modeling test machine, the length L at the middle part of fixture2With ladder
The height h of shape grip block 52It is isometric.
Fig. 1 is the assembling schematic diagram of the utility model, and the material of fixture is the good copper alloy of conductive and heat-conductive.It was assembled
Cheng Wei：Fixture is machined with one end of platform and tensile sample 3 is fixed by hexagon socket head cap screw 4, the other end and hot modeling test machine
The cartridge device 1 of outfit is connected through a screw thread, and the recessed of the trapezoidal grip block 5 of a pair of consistency from top to bottom then will be placed in the middle part of fixture
In slot.All components having had connected are placed on together in the dedicated pouch-shaped fixture 6 of testing machine later, adjust two pouch-shaped fixtures
The distance between, make to be in close contact between cartridge device 1, trapezoidal grip block 5 and pouch-shaped fixture 6.Last service-test machine is matched
Experimental rig is fixed standby stretching dedicated top tool 7, and trial curve as shown in Figure 4 is obtained after operation test.
The utility model can also have other numerous embodiments, in the feelings for not departing from the spirit of the present invention and its essence
Under condition, those skilled in the art work as can make various corresponding changes and modifications according to the utility model, but these change accordingly
Become and deform the protection scope that all should belong to the utility model the attached claims.If being not described in detail in this specification
Content, should be the technology that those skilled in the art are known or should know, details are not described herein again.
Claims (5)
1. a kind of Strip hot-stretch fixture suitable for hot modeling test machine, which is characterized in that there is screw thread in one end of fixture, leads to
The cartridge device (1) for crossing screw thread and hot modeling test machine connects；The other end of fixture is circular arc column, is provided in the plane vertical flat
The circular hole (2) in face, fixture and tensile sample (3) are fixed with bolt (4) by circular hole (2)；The middle part of fixture is cylindric.
2. the Strip hot-stretch fixture according to claim 1 suitable for hot modeling test machine, which is characterized in that described
Screw thread length L1No more than the length of cartridge device (1).
3. the Strip hot-stretch fixture according to claim 1 suitable for hot modeling test machine, which is characterized in that described
Fixture in the middle part of be placed in the semi-circular recesses of trapezoidal grip block (5) of hot modeling test machine, the length at the middle part of fixture
L2With the height h of trapezoidal grip block (5)2It is isometric.
4. the Strip hot-stretch for being suitable for hot modeling test machine in -3 described in any claim according to claim 1 is pressed from both sides
Tool, which is characterized in that the height h of the circular arc column1Meet：h1+ d/2=r, wherein d is the thickness of tensile sample (3), and r is
The radius of cylinder.
5. the Strip hot-stretch for being suitable for hot modeling test machine in -3 described in any claim according to claim 1 is pressed from both sides
Tool, which is characterized in that described circular hole (2) position of opening is symmetrical along plane centreline, guarantees bolt (4) and tensile sample (3)
Centering can be completed while fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820629336.8U CN208155730U (en) | 2018-04-28 | 2018-04-28 | A kind of Strip hot-stretch fixture suitable for hot modeling test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820629336.8U CN208155730U (en) | 2018-04-28 | 2018-04-28 | A kind of Strip hot-stretch fixture suitable for hot modeling test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208155730U true CN208155730U (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820629336.8U Active CN208155730U (en) | 2018-04-28 | 2018-04-28 | A kind of Strip hot-stretch fixture suitable for hot modeling test machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443925A (en) * | 2018-12-14 | 2019-03-08 | 南京玻璃纤维研究设计院有限公司 | A kind of test device of fibre single thread tensile modulus of elasticity |
| CN110672412A (en) * | 2019-09-30 | 2020-01-10 | 太原理工大学 | Plate belt tension simulation device suitable for universal tensile testing machine |
| CN111781061A (en) * | 2020-07-07 | 2020-10-16 | 鞍钢股份有限公司 | Plate strip sample tensile test device and design and use method thereof |
| CN117110031A (en) * | 2023-10-24 | 2023-11-24 | 江苏省沙钢钢铁研究院有限公司 | Clamp and method for testing high-temperature tensile strength of thin strip sample |
-
2018
- 2018-04-28 CN CN201820629336.8U patent/CN208155730U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443925A (en) * | 2018-12-14 | 2019-03-08 | 南京玻璃纤维研究设计院有限公司 | A kind of test device of fibre single thread tensile modulus of elasticity |
| CN110672412A (en) * | 2019-09-30 | 2020-01-10 | 太原理工大学 | Plate belt tension simulation device suitable for universal tensile testing machine |
| CN110672412B (en) * | 2019-09-30 | 2021-12-21 | 太原理工大学 | Plate belt tension simulation device suitable for universal tensile testing machine |
| CN111781061A (en) * | 2020-07-07 | 2020-10-16 | 鞍钢股份有限公司 | Plate strip sample tensile test device and design and use method thereof |
| CN111781061B (en) * | 2020-07-07 | 2023-06-20 | 鞍钢股份有限公司 | Plate and strip sample tensile test device and design and use method thereof |
| CN117110031A (en) * | 2023-10-24 | 2023-11-24 | 江苏省沙钢钢铁研究院有限公司 | Clamp and method for testing high-temperature tensile strength of thin strip sample |
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