CN209247516U - A kind of tensile test device of bending material - Google Patents
A kind of tensile test device of bending material Download PDFInfo
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- CN209247516U CN209247516U CN201821809434.6U CN201821809434U CN209247516U CN 209247516 U CN209247516 U CN 209247516U CN 201821809434 U CN201821809434 U CN 201821809434U CN 209247516 U CN209247516 U CN 209247516U
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- tensile test
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- 238000005452 bending Methods 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 title claims abstract description 36
- 238000009864 tensile test Methods 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 46
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000013011 mating Effects 0.000 claims 1
- 239000000523 sample Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of tensile test devices of bending material, including the pedestal being fixed on the work top of universal testing machine, the steering mechanism that can be rotated and can be slidably arranged on the pedestal, for accommodating the fixture of sample and being rotatably arranged in bearing on the pedestal, the fixture is arranged in the steering mechanism, the one end of the sample is clamped in the fixture, the other end of the sample is clamped by the upper grip of the universal testing machine, the radius of the bearing is identical as the radius of the dogleg section of the sample, and the dogleg section of the sample and the outer circumference surface of the bearing fit.The tensile test device structure of the bending material is simple, can carry out extension test to bending material, evaluate so as to the performance effectively to bending material.
Description
Technical field
The utility model relates to material mechanical performance test device technical fields, and in particular to a kind of stretching of bending material
Test device.
Background technique
Bending Processing is widely used in the various forms of material processing such as plate, profile, bar.Bending is added at present
The research of work focuses mostly in terms of the moulding process, but variation for material property after bending and bending material tests method then lack
Few corresponding research.And this has very important significance for the research and development of Bending Processing technology.Therefore, how doubling
Material property is detected and is evaluated just extremely important after curved.
Utility model content
The purpose of this utility model is to provide a kind of extension test dress of bending material for the problems of the prior art
It sets, in order to carry out tensile property test to bending material.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
A kind of tensile test device of bending material, including the base being fixed on the work top of universal testing machine
Seat, the fixture for accommodating sample and can turn the steering mechanism that can be rotated and can be slidably arranged on the pedestal
Bearing on the pedestal is set dynamicly, and the fixture is arranged in the steering mechanism, and the one end of the sample clamps
In the fixture, the other end of the sample is clamped by the upper grip of the universal testing machine, the radius of the bearing
It is identical as the radius of the dogleg section of the sample, and the dogleg section of the sample and the outer circumference surface of the bearing are affixed
It closes.
Preferably, the test device further includes the sliding rail being fixed on the pedestal and can be along the sliding rail
Length extending direction is slidably arranged in the sliding block on the sliding rail, and the sliding block is rotatably arranged in the steering mechanism
On.
Further, the test device further includes the position-limit mechanism limited for the sliding to the sliding block, institute
Stating position-limit mechanism includes the mandril for carrying out stopping limit to the sliding block, and the mandril is located at the relatively described cunning of the sliding block
On motion path when rail slides.
Further, the mandril can be arranged in adjusting position on the pedestal.
A kind of specific embodiment, the test device further include the tip-lever support being fixed on the pedestal, institute
It states and is provided with the first external screw thread on the outer circumference surface of mandril, be provided on the tip-lever support and match with first external screw thread
First threaded hole, the tip-lever support are connect with the mandril by being threadedly engaged.
Further, the steering mechanism includes the bogie being rotatably arranged on the slide block, the fixture
It is arranged on the bogie by guide rod.
Further, the fixture adjustable pitch is liftoff is arranged on the bogie.
A kind of specific embodiment is provided with the second external screw thread on the guide rod, is provided on the bogie and institute
The second threaded hole that the second external screw thread matches is stated, the bogie and the guide rod through threaded are cooperatively connected, the fixture
Connect with the guide rod, and the guide rod can the relatively described fixture be rotationally arranged.
Further, the sample includes the bending part for being located at middle part and the both ends for being separately positioned on the bending part
The extending direction of first straight portion and second straight portion, the first straight portion is parallel with the length extending direction of the guide rod, described
The work top for extending perpendicularly to the universal testing machine of second straight portion.
Preferably, the bearing can be arranged on the pedestal to up and down adjustment position.
Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art
The tensile test device structure of the bending material of type is simple, extension test can be carried out to bending material, so as to effectively right
The performance of bending material is evaluated.
Detailed description of the invention
Attached drawing 1 is that (bearing is located at pedestal to one of perspective view of tensile test device of bending material of the utility model
Top)；
Attached drawing 2 be the perspective view of the tensile test device of the bending material of the utility model two (bearing is located at pedestal
Top)；
Attached drawing 3 is that the perspective view of the tensile test device of the bending material of the utility model three (removes pedestal, bearing position
In the top of pedestal)；
Attached drawing 4 be the perspective view of the tensile test device of the bending material of the utility model four (bearing is located at pedestal
Lower part)；
Attached drawing 5 is that the perspective view of the tensile test device of the bending material of the utility model five (removes pedestal, bearing position
In the top of pedestal)；
Attached drawing 6 is the side view of attached drawing 5；
Attached drawing 7 is the structural schematic diagram of the guide rod of the utility model.
Wherein: 1, pedestal；11, bottom plate；12, side wall；2, fixture；21, support；22, cover board；3, bearing；41, sliding rail；42,
Sliding block；51, mandril；52, tip-lever support；61, bogie；62, guide rod；7, shaft；100, sample.
Specific embodiment
The technical solution of the utility model is further elaborated with reference to the accompanying drawing.
As shown in Fig. 1 ~ Fig. 6, the tensile test device of the bending material of the utility model includes pedestal 1, fixture 2, turns to
Mechanism and bearing 3.
Pedestal 1 is fixed on the work top of universal testing machine, and pedestal 1 includes horizontally disposed bottom plate 11 and fixes
Side wall 12 on bottom plate 11 is set, side wall 12 is upwardly extended from the junction with bottom plate 11, and there are two the settings of side wall 12, and two
Side wall 12 is separately positioned in the ends of bottom plate 11.
Fixture 2 is used to clamp the one end of sample 100, specifically, fixture 2 includes support 21 and cover board 22, on support 21
Be provided with the groove of the one end for placing sample 100, cover board 22 be pressed on the one end of sample 100 and with 21 phase of support
It is fixedly connected, so that the one end of sample 100 is clamped on fixture 2.
Fixture 2 is arranged in steering mechanism, and steering mechanism is arranged between two side walls 12, and steering mechanism can be opposite
Pedestal 1 is rotated and is slided.
A kind of specific embodiment is fixedly installed sliding rail 41 between the two side walls 12 of pedestal 1, is arranged on sliding rail 41
There is the sliding block 42 that can be slidably arranged along the length extending direction of sliding rail 41, sliding block 42 is rotatably arranged in steering mechanism
On.When sliding block 42 is slided with respect to sliding rail 41, steering mechanism can be driven to synchronize opposite sliding rail 41 and slided.
The test device further includes the position-limit mechanism limited for the sliding to sliding block 42.Specifically, position-limit mechanism
Including mandril 51, mandril 51 is located on motion path when sliding block 42 is slided along the length extending direction of sliding rail 41, when sliding block 42
The end face for sliding into sliding block 42 and mandril 51 offsets when setting, and mandril 51 forms the blocking to sliding block 42, makes sliding block 42 can not
It slides again.
It is preferred that mandril 51 can along sliding rail 41 length extending direction adjusting position the workbench of universal testing machine is set
On face or pedestal 1, in this way, the position of sliding block 42 in test process is adjusted, so that the test device be made to be applicable to more
The sample of radius bend and bending angle is detected.
Specifically, test device further includes the tip-lever support being fixed on the work top or pedestal 1 of universal testing machine
52, the first external screw thread is provided on the outer circumference surface of mandril 51, and matched with the first external screw thread is provided on tip-lever support 52
One threaded hole, tip-lever support 52 are connect with mandril 51 by being threadedly engaged.By rotate mandril 51, can make mandril 51 simultaneously along its from
The direction of axis line of body is mobile, to change position of the mandril 51 on the work top or pedestal 1 of universal testing machine, Jin Ergai
Become the position of sliding block 42 in test process.
For convenience of rotation mandril 51, the one end of sliding block 42 is provided with flange face in mandril 51, is provided on flange face
Cross recess.
Steering mechanism includes bogie 61, and bogie 61 is rotatably arranged on sliding block 42, and fixture 2 passes through guide rod 62
It is arranged on bogie 61.2 adjustable pitch of preferred fixture is liftoff to be arranged on bogie 61, so that the test device can be into one
Step is suitable for detecting the sample of more radius bends and bending angle.
Specifically, being provided with the second external screw thread on guide rod 62, in the present embodiment, the position that guide rod 62 is connect with fixture 2 is
Polished rod, remaining position are provided with the second external screw thread, and 62 structure of guide rod on bogie 61 as shown in fig. 7, be provided with and the second outer spiral shell
The second threaded hole that line matches, bogie 61 are connect with guide rod 62 by being threadedly engaged, the smooth bar part of fixture 2 and guide rod 62
It is connected, 62 opposed jaw 2 of guide rod is rotationally arranged.In this way, guide rod 62 can be made along itself in rotating guide 62
The extending direction of axial line is mobile relative to bogie 61, when guide rod 62 moves in a straight line, due between guide rod 62 and fixture 2
Connection, so that fixture 2 also follows guide rod 62 to move in a straight line, thus the distance between alignment jig 2 and bogie 61.
For convenience of rotating guide 62, the one end of guide rod 62 is provided with flange face, is provided with cross recess on flange face.
Bearing 3 is located between the side wall 12 of two sides, and radius is identical as the radius of the bending part of sample 100.Bearing 3 can
Be arranged on pedestal 1 to up and down adjustment position, specifically, test device further include side wall 12 phase of the both ends respectively with two sides can
The shaft 7 releasably connected, bearing 3 is set in shaft 7 and 7 can rotationally be arranged around the shaft, on the side wall 12 of two sides
Multiple mounting holes being spaced apart along the vertical direction are provided with, on the side wall 12 that the both ends of shaft 7 are respectively provided at both sides
In two mounting holes of corresponding setting.By changing the position of bearing 3, which is further applicable to pair
The sample of more radius bends and bending angle is detected.
Fig. 1 ~ Fig. 3 show the test mode schematic diagram for the sample 100 that bending angle is 45 °, radius bend is R40, this
Under state, bearing 3 is mounted in the mounting hole on 12 top of side wall.Fig. 4 ~ Fig. 6 show that bending angle is 90 °, radius bend is
The test mode schematic diagram of the sample 100 of R40, under this state, bearing 3 is mounted in the mounting hole of 12 lower part of side wall.
Sample 100 include positioned at middle part bending part and be separately positioned on the first straight portion at both ends of bending part and second straight
Portion, when test, the bending part of the outer circumference surface and sample 100 of bearing 3 fits, and fixture 2 clamps the first straight portion of sample 100,
The second straight portion of sample 100 is clamped by the upper grip of universal testing machine, and the length of the extending direction in the first straight portion and guide rod 62
It is parallel to spend extending direction, the work top for extending perpendicularly to universal testing machine of second straight portion, in this way, in test process
Middle (center) bearing 3 only generates radical elasticity to sample 100, and without tangential forces, shadow is generated to extension test to can avoid bearing 3
It rings.
After the test device is installed, mandril 51 is set to hold out against sliding block 42 by rotating mandril 51, to realize to sample
100 fixation, and apply certain pretightning force to sample 100, then start universal testing machine and carry out tension test, was testing
Cheng Zhong, radical elasticity of the sample 100 by pulling force and bearing 3 along two clamping end length directions, therefore test can effectively reflect
The tensile property of bending sample material.
In conclusion the test device realizes the extension test of bending material, performance that can effectively to bending material
It is evaluated；While the flexibility of Fixture Design is realized, the sample of compatible a certain range radius bend and bending angle
Detection, so as to reduce testing cost.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and be implemented, do not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model
It is interior.
Claims (10)
1. a kind of tensile test device of bending material, it is characterised in that: the workbench including being fixed at universal testing machine
Pedestal on face, the steering mechanism that can be rotated and can be slidably arranged on the pedestal, the fixture for accommodating sample
Bearing on the pedestal is rotatably set, the fixture is arranged in the steering mechanism, and the one of the sample
End is clamped in the fixture, and the other end of the sample is clamped by the upper grip of the universal testing machine, the axis
The radius held is identical as the radius of the dogleg section of the sample, and the excircle of the dogleg section of the sample and the bearing
Face fits.
2. the tensile test device of bending material according to claim 1, it is characterised in that: the test device further includes
The sliding rail that is fixed on the pedestal and the sliding rail can be slidably arranged in along the length extending direction of the sliding rail
On sliding block, the steering mechanism is rotatably arranged on the slide block.
3. the tensile test device of bending material according to claim 2, it is characterised in that: the test device further includes
For the position-limit mechanism that the sliding to the sliding block is limited, the position-limit mechanism includes for stopping to the sliding block
The mandril of limit, the mandril are located on the motion path when sliding block sliding rail relatively slides.
4. the tensile test device of bending material according to claim 3, it is characterised in that: the mandril can adjust position
It is arranged in setting on the pedestal.
5. the tensile test device of bending material according to claim 4, it is characterised in that: the test device further includes
The tip-lever support being fixed on the pedestal is provided with the first external screw thread, the tip-lever support on the outer circumference surface of the mandril
On be provided with the first threaded hole matched with first external screw thread, the tip-lever support and the mandril pass through the company of being threadedly engaged
It connects.
6. the tensile test device of bending material according to claim 2, it is characterised in that: the steering mechanism includes energy
The bogie being enough rotatably arranged on the sliding block, the fixture are arranged on the bogie by guide rod.
7. the tensile test device of bending material according to claim 6, it is characterised in that: the fixture adjustable pitch is liftoff
It is arranged on the bogie.
8. the tensile test device of bending material according to claim 7, it is characterised in that: be provided on the guide rod
Two external screw threads are provided with the second threaded hole matched with second external screw thread, the bogie and institute on the bogie
Guide rod through threaded mating connection is stated, the fixture is connect with the guide rod, and the guide rod can be rotated relative to the fixture
Ground setting.
9. the tensile test device of bending material according to claim 6, it is characterised in that: the sample includes in being located at
First straight portion and second straight portion of the bending part in portion with the both ends for being separately positioned on the bending part, the extension in the first straight portion
Direction is parallel with the length extending direction of the guide rod, and the second straight portion extends perpendicularly to the universal testing machine
Work top.
10. the tensile test device of bending material according to claim 1, it is characterised in that: the bearing can be upper and lower
Adjusting position it is arranged on the pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809434.6U CN209247516U (en) | 2018-11-05 | 2018-11-05 | A kind of tensile test device of bending material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809434.6U CN209247516U (en) | 2018-11-05 | 2018-11-05 | A kind of tensile test device of bending material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209247516U true CN209247516U (en) | 2019-08-13 |
Family
ID=67527042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821809434.6U Active CN209247516U (en) | 2018-11-05 | 2018-11-05 | A kind of tensile test device of bending material |
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| Country | Link |
|---|---|
| CN (1) | CN209247516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374411A (en) * | 2018-11-05 | 2019-02-22 | 清华大学苏州汽车研究院（相城） | A kind of tensile test device of bending material |
-
2018
- 2018-11-05 CN CN201821809434.6U patent/CN209247516U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374411A (en) * | 2018-11-05 | 2019-02-22 | 清华大学苏州汽车研究院（相城） | A kind of tensile test device of bending material |
| CN109374411B (en) * | 2018-11-05 | 2024-03-08 | 清华大学苏州汽车研究院（相城） | Tensile testing device for bending material |
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