CN207556981U - For the stretching clamp of low-dimensional sized materials - Google Patents
For the stretching clamp of low-dimensional sized materials Download PDFInfo
- Publication number
- CN207556981U CN207556981U CN201721827274.3U CN201721827274U CN207556981U CN 207556981 U CN207556981 U CN 207556981U CN 201721827274 U CN201721827274 U CN 201721827274U CN 207556981 U CN207556981 U CN 207556981U
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- Prior art keywords
- sliding block
- stretching
- horizontal
- screw rod
- mouth wall
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Abstract
The utility model is related to a kind of stretching clamp for low-dimensional sized materials, the jig body up and down being connected separately down including the fixing piece up and down by precise relative positioning above and below location hole, upper and lower fixing piece；Upper and lower jig body is that the base arm end being connected respectively with upper and lower fixing piece is formed with band the horizontal up and down of sample slot that be open and stretches formula U-shaped card mouth, opposite another mouth wall thickness that the upper and lower horizontal side mouth wall thickness for stretching formula U-shaped card mouth is more than, the lateral slide-bar transverse direction slide fit that the horizontal opening sample slot for stretching formula U-shaped card mouth is fixedly mounted with by the thin mouth wall is used for the sliding block that is matched for clamping tightly with thick mouth wall, is resisted in the middle part of sliding block with front end by horizontal logical screw hole silk in the middle part of thin mouth wall, rear end is fixedly mounted with the screw rod of knob.With the installation requirement that can preferably meet low-dimensional scale tensile sample, it is easy to operate, applicability is good the advantages of.
Description
Technical field
The utility model is related to a kind of mechanical stretch fixture, more particularly to a kind of stretching card for low-dimensional sized materials
Tool.
Background technology
As the application of low-dimensional sized materials is more and more extensive, such as fiber, strip and film, how to low-dimensional scale material
The mechanical stretch characteristic of material, which carries out test, becomes a problem.When tension test is carried out, due to sample own dimensions too
Small, the jaw of cupping machine cannot directly clamp low-dimensional dimension samples, and common stretching clamp can not be well
It is clamped, it may occur however that it skids or stress concentration phenomenon, these factors can all limit being normally carried out for tension test, so as to
Cause test difficulty increase, test data accuracy decline the problems such as.At present, tensile test equipment, which lacks, can be exclusively used in low-dimensional
The special stretching clamp of sized materials.
Invention content
The purpose of this utility model is to provide a kind of easy to operate, easy to process, applicability it is good be used for low-dimensional ruler
Spend the stretching clamp of material.
To achieve the above object, the utility model includes consolidating by pin for the stretching clamp of low-dimensional sized materials
It is scheduled on stretching-machine, the fixing piece up and down by precise relative positioning above and below location hole, what upper and lower fixing piece was connected separately down
Upper and lower jig body；The jig body up and down is that the base arm end being connected respectively with upper and lower fixing piece is formed with band opening sample slot
It is horizontal up and down stretch formula U-shaped card mouth, opposite another mouth wall thickness that the upper and lower horizontal side mouth wall thickness for stretching formula U-shaped card mouth is more than is horizontal
The opening sample slot for stretching formula U-shaped card mouth is used to match co-clip with thick mouth wall by the lateral slide-bar transverse direction slide fit that the thin mouth wall is fixedly mounted with
Tight sliding block, is resisted with front end in the middle part of sliding block in the middle part of the thin mouth wall, rear end is fixedly mounted with the screw rod of knob by horizontal logical screw hole silk, on
The spiro rod length difference of lower jig body is more than knob thickness.The tension test fixture, overcomes existing technological deficiency, can be compared with
Meet the installation requirement of low-dimensional scale tensile sample well, it is more suitable for electronic universal tester and original position stretching test system etc.
Type mechanics performance testing device.It is easy to operate, easy with the installation requirement that can preferably meet low-dimensional scale tensile sample
In processing, applicability
The advantages of good.
As an optimization, horizontal up and down to stretch formula U-shaped card mouth by sliding block folder equipped with sample fixed plate, the sample fixed plate is one
The rectangular slab of a Intermediate Gray rectangular through-hole.
As an optimization, rectangular slab is vertical, intermediate rectangular through-hole above section and is fixed with lower part by vertical bonding die
For the low-dimensional sized materials upper and lower ends of extension test.
As an optimization, the spiro rod length difference of upper and lower jig body is more than twice of knob thickness.
As an optimization, the lateral slide-bar is that the thin mouth wall is fixedly mounted with two and charge off by two lateral pin holes arranged side by side
The base portion of nail, two lateral rivet nuts arranged side by side of two pins arranged side by side stretch into the horizontal opening sample slot for stretching formula U-shaped card mouth, and sliding block is formed with
Lateral slide openings, sliding block are laterally sliding side by side by two side by side with two of described two lateral rivet nut transverse direction slide fits arranged side by side respectively
Hole transverse direction slide fit is sleeved in described two lateral rivet nuts arranged side by side.
As an optimization, the thin mouth wall resists sliding block centrally through horizontal logical screw hole silk with front end, rear end is fixedly mounted with the spiral shell of knob
Bar is to resist pit, rear end in the middle part of slider back side with front end by horizontal logical screw hole silk in the middle part of the thin mouth wall to be fixedly mounted with circular knob
Screw rod.
As an optimization, screw rod forepart is polished rod, and the screw front end for resisting pit is formed with or is fixed with diameter more than before screw rod
The circle of diameter of portion's light bar segment itself supports head, and the interior bottom face and screw rod circle of pit support ball of the head front end face for mutually set slide fit
The face of lacking, slider back side are fixed with the mesoporous baffle with screw rod forepart light bar segment transverse direction slide fit.
As an optimization, the copper slide fit with the screw rod forepart light bar segment transverse direction slide fit is fixed on the mesoporous of mesoporous baffle
Set.
As an optimization, the fixing piece up and down is respectively to be formed with the upper cylindrical fixture in located lateral hole and be formed with down
The lower cylindrical fixture in located lateral hole, upper and lower cylindrical fixture are consolidated respectively by fastening bolt and upper and lower jig body
Even.
Technical solution is used by the utility model solves its technical problem：A kind of stretching for low-dimensional sized materials
Fixture, including：Fixing piece, upper jig body and lower jig body, sliding block, screw rod and knob.The fixing piece is equipped with positioning
Hole is fixed by a pin on cupping machine, and the fixing piece is connect by fastening bolt with jig body, it is ensured that up and down
The concentricity of fixture.The jig body is machined with location hole, and location hole is machined on the sliding block, and jig body is determined
Position hole is cooperated by the location hole of pin and sliding block and assembled, and the fixture is provided with sample slot, is coordinated with sliding block and is completed sample
Clamping, the fixture and sliding block use high strength alloy steel to add as raw material by Wire EDM and numerically-controlled machine tool
The means such as work ensure the planarization on its surface and experiment accuracy.The threaded rod passes through quenching treatment to ensure its surface
Hardness, the threaded rod are against the pit of slider back side, pass through the mobile realization of threaded rod by the threaded hole of jig body
The movement of sliding block, the threaded rod are connected with knob in the form of riveting, and two screw thread pole lengths up and down are different, purpose
It is that upper and lower two knobs do not have contact when installing and fixed sample both ends, to avoid the installation of tensile sample is influenced.It is described
Knob surface is with decorative pattern, convenient for rotation process.
Compared with existing stretching device, the beneficial effects of the utility model are：For the stretching of low-dimensional sized materials
The clamping that fixture solves low-dimensional scale tensile sample is difficult, it is impossible to the problem of meeting cupping machine operating specification；For low
The stretching clamp for tieing up sized materials is easy to process, while a variety of suitable for electronic universal tester and original position stretching test system etc.
Mechanics Performance Testing device.In short, after adopting the above technical scheme, the utility model is used for the stretching clamp of low-dimensional sized materials
With the installation requirement that can preferably meet low-dimensional scale tensile sample, good excellent of easy to operate, easy to process, applicability
Point.
Description of the drawings
Fig. 1 is the stretching clamp overall structure diagram that the utility model is used for low-dimensional sized materials；Fig. 2 is that this practicality is new
Type is used for the structure diagram of the sample fixed plate of the stretching clamp adapted of low-dimensional sized materials；Fig. 3 is to use the utility model
The strain curve figure measured for the book band that the stretching clamp of low-dimensional sized materials carries out with fiber comparison tensile stress experiment.
Specific embodiment
As shown in Figs. 1-2, the utility model includes fixing by pin for the stretching clamp of low-dimensional sized materials
On stretching-machine, by fixing piece 1 up and down of location hole precise relative positioning about 5, upper and lower fixing piece 1 is connected separately down
Upper and lower jig body 2；The jig body 2 up and down is that the base arm end being connected respectively with upper and lower fixing piece 1 is formed with band opening examination
The horizontal up and down of sample slot stretches formula U-shaped card mouth, opposite another mouth wall thickness that the upper and lower horizontal side mouth wall thickness for stretching formula U-shaped card mouth is more than
Degree, the horizontal opening sample slot for stretching formula U-shaped card mouth are used for and thick mouth wall by the lateral slide-bar transverse direction slide fit that the thin mouth wall is fixedly mounted with
The sliding block 4 being matched for clamping tightly, the thin mouth wall middle part resists 4 middle part of sliding block by horizontal logical screw hole silk with front end, rear end is fixedly mounted with knob 8
Screw rod 7,7 length difference of screw rod of upper and lower jig body 2 is more than 8 thickness of knob.The tension test fixture, overcomes existing skill
Art defect can preferably meet the installation requirement of low-dimensional scale tensile sample, suitable for electronic universal tester and drawing in situ
Stretch the polymorphic types Mechanics Performance Testing device such as test system.It will with the installation that can preferably meet low-dimensional scale tensile sample
Ask, it is easy to operate, easy to process, applicability is good the advantages of.
Specifically horizontal up and down to stretch formula U-shaped card mouth by the folder of sliding block 4 equipped with sample fixed plate, the sample fixed plate is one
The rectangular slab 10 of Intermediate Gray rectangular through-hole 3.Rectangular slab 10 3 above section of intermediate rectangular through-hole and is passed through with lower part to be vertical
Vertical bonding die 9 is fixed for 11 upper and lower ends of low-dimensional sized materials of extension test.
7 length difference of screw rod of jig body 2 is more than 2 times of 8 thickness of knob above and below specifically.
Specifically described lateral slide-bar is that the thin mouth wall is fixedly mounted with two pins 6 arranged side by side by two lateral pin holes arranged side by side
Base portion, two of two pins 6 arranged side by side side by side lateral rivet nuts stretch into the horizontal opening sample slot for stretching formula U-shaped card mouth, sliding block 4 is formed with
Respectively with two of described two lateral rivet nut transverse direction slide fits arranged side by side lateral slide openings side by side, sliding block 4 by two side by side laterally
Slide opening transverse direction slide fit is sleeved in described two lateral rivet nuts arranged side by side.
Specifically described thin mouth wall resists sliding block 4 with front end centrally through horizontal logical screw hole silk, rear end is fixedly mounted with the screw rod of knob 8
7 be to resist pit, rear end in the middle part of 4 back side of sliding block with front end by horizontal logical screw hole silk in the middle part of the thin mouth wall to be fixedly mounted with circular knob 8
Screw rod 7.7 forepart of screw rod is polished rod, and 7 front end of screw rod for resisting pit is formed with or is fixed with diameter more than 7 forepart polished rod of screw rod
The circle of Duan Benshen diameters supports head, and the interior bottom face and screw rod 7 of pit are round to support the spherical interior surface that head front end face is mutually set slide fit,
4 back side of sliding block is fixed with the mesoporous baffle with 7 forepart light bar segment transverse direction slide fit of screw rod.It is fixed on the mesoporous of mesoporous baffle and institute
State the copper slide fit set of 7 forepart light bar segment transverse direction slide fit of screw rod.
Specifically described fixing piece 1 up and down is respectively to be formed with the upper cylindrical fixture 1 in located lateral hole 5 and be formed with down
The lower cylindrical fixture 1 in located lateral hole 5, upper and lower cylindrical fixture 1 pass through fastening bolt and upper and lower jig body 2 respectively
It is connected.
Technical solution is used by the utility model solves its technical problem：A kind of stretching for low-dimensional sized materials
Fixture, including：Fixing piece, upper jig body and lower jig body, sliding block, screw rod and knob.The fixing piece is equipped with positioning
Hole is fixed by a pin on cupping machine, and the fixing piece is connect by fastening bolt with jig body, it is ensured that up and down
The concentricity of fixture.The jig body is machined with location hole, and location hole is machined on the sliding block, and jig body is determined
Position hole is cooperated by the location hole of pin and sliding block and assembled, and the fixture is provided with sample slot, is coordinated with sliding block and is completed sample
Clamping, the fixture and sliding block use high strength alloy steel to add as raw material by Wire EDM and numerically-controlled machine tool
The means such as work ensure the planarization on its surface and experiment accuracy.The threaded rod passes through quenching treatment to ensure its surface
Hardness, the threaded rod are against the pit of slider back side, pass through the mobile realization of threaded rod by the threaded hole of jig body
The movement of sliding block, the threaded rod are connected with knob in the form of riveting, and two screw thread pole lengths up and down are different, purpose
It is that upper and lower two knobs do not have contact when installing and fixed sample both ends, to avoid the installation of tensile sample is influenced.It is described
Knob surface is with decorative pattern, convenient for rotation process.
Compared with existing stretching device, the beneficial effects of the utility model are：For the stretching of low-dimensional sized materials
The clamping that fixture solves low-dimensional scale tensile sample is difficult, it is impossible to the problem of meeting cupping machine operating specification；For low
The stretching clamp for tieing up sized materials is easy to process, while a variety of suitable for electronic universal tester and original position stretching test system etc.
Mechanics Performance Testing device.
It says more particularly below：By attached drawing 1 as it can be seen that the utility model is a kind of stretching card for low-dimensional sized materials
Tool, including fixing piece 1, upper and lower jig body 2, sliding block 4, pin 6, screw rod 7, knob 8.The fixing piece 1 is equipped with location hole 5,
It is fixed by a pin on cupping machine, the fixing piece 1 is connect by fastening bolt with jig body 2.The fixture
Ontology 3 is machined with location hole, and location hole is machined on the sliding block 4, and the location hole of jig body 3 passes through pin 6 and sliding block 4
The cooperation installation of location hole mutual slide fit, the fixture 3 is provided with sample slot, the clamping for completing sample coordinated with sliding block 4.The spiral shell
Bar 7 is against the pit at 4 back side of sliding block, passes through the shifting of the mobile realization sliding block 4 of screw rod 7 by the threaded hole of jig body 2
Dynamic, the screw rod 7 is connected with knob 8 in the form of riveting, and two 7 length of screw rod up and down are different, it is therefore an objective to install
Upper and lower two knobs do not have contact during sample, influence the Fast Installation of sample.
Bonding die 9, bottom plate 10, low-dimensional test material 11 are included by the visible tensile sample of attached drawing 2.10 side of being equipped with of bottom plate
Shape hole（10mm×10mm）, test material 11 is fixed on bottom plate 10, sticks bonding die 9, completes the making of sample.
Experimentation：Upper and lower fixture is separately fixed at by positioning pin above and below electronic universal cupping machine by the first step
End.Second step adjusts the distance between fixture up and down, makes the sample cell distance substantially specimen length of upper and lower fixture.Third walks,
Sample is loaded, screws knob, sliding block is made to be matched for clamping tightly sample with sample cell.4th step cuts the connection of bottom plate both sides with scissors
Position.5th step, is loaded, and is started tension test and is recorded data.
It is the stretching data comparison of low-dimensional dimension samples and load-deformation curve result table in experiment below.
| Specimen coding | Low-dimensional materials type | Load（N） | Fracture strength（GPa） |
| 1# | Strip | 214.2 | 2.25 |
| 2# | Fiber | 3.45 | 2.74 |
The stretching data comparison and load-deformation curve of low-dimensional dimension samples in experiment, see attached drawing 3.
In short, after adopting the above technical scheme, the utility model for low-dimensional sized materials stretching clamp have can
Preferably meet the installation requirement of low-dimensional scale tensile sample, it is easy to operate, easy to process, applicability is good the advantages of.
Claims (9)
1. a kind of stretching clamp for low-dimensional sized materials, it is characterised in that be fixed by a pin to stretching-machine including being used for
Fixture sheet up and down that is upper, being connected separately down by the fixing piece up and down of precise relative positioning above and below location hole, upper and lower fixing piece
Body；It is described up and down jig body be the base arm end being connected respectively with upper and lower fixing piece be formed with band be open the horizontal up and down of sample slot stretch
Formula U-shaped card mouth, opposite another mouth wall thickness that the upper and lower horizontal side mouth wall thickness for stretching formula U-shaped card mouth is more than are horizontal to stretch formula U-shaped card mouth
The lateral slide-bar transverse direction slide fit that is fixedly mounted with by the thin mouth wall of opening sample slot be used for the sliding block being matched for clamping tightly with thick mouth wall, institute
State resisted in the middle part of sliding block with front end by horizontal logical screw hole silk in the middle part of thin mouth wall, rear end is fixedly mounted with the screw rod of knob, upper and lower jig body
Spiro rod length difference be more than knob thickness.
2. stretching clamp according to claim 1, it is characterised in that horizontal up and down to stretch formula U-shaped card mouth by sliding block folder equipped with sample
Fixed plate, the sample fixed plate are the rectangular slabs of an Intermediate Gray rectangular through-hole.
3. stretching clamp according to claim 2, it is characterised in that rectangular slab to be vertical, intermediate rectangular through-hole above section and
It is fixed for the low-dimensional sized materials upper and lower ends of extension test by vertical bonding die with lower part.
4. stretching clamp according to claim 1, it is characterised in that it is thick that the spiro rod length difference of upper and lower jig body is more than knob
Twice of degree.
5. stretching clamp according to claim 1, it is characterised in that it is described transverse direction slide-bar be the thin mouth wall by two simultaneously
The lateral pin hole of row is fixedly mounted with the base portion of two pins arranged side by side, two of two pins arranged side by side side by side lateral rivet nuts stretch into and horizontal stretch formula U
The opening sample slot of type clamping nozzle, sliding block are formed with laterally sliding side by side with two of described two lateral rivet nut transverse direction slide fits arranged side by side respectively
Hole, by two, lateral slide opening transverse direction slide fit is sleeved in described two lateral rivet nuts arranged side by side sliding block side by side.
6. stretching clamp according to claim 1, it is characterised in that the thin mouth wall matches front end centrally through horizontal logical screw hole silk
Resist sliding block, rear end is fixedly mounted with the screw rod of knob is resisted in slider back side with front end by horizontal logical screw hole silk in the middle part of the thin mouth wall
Portion's pit, rear end are fixedly mounted with the screw rod of circular knob.
7. stretching clamp according to claim 6, it is characterised in that screw rod forepart is polished rod, resists the screw front end system of pit
Have or be fixed with diameter and support head more than the circle of screw rod forepart light bar segment diameter itself, the interior bottom face and screw rod circle of pit support
Spherical interior surface of the head front end face for mutually set slide fit, slider back side is fixed with to be kept off with the mesoporous of screw rod forepart light bar segment transverse direction slide fit
Plate.
8. stretching clamp according to claim 7, it is characterised in that be fixed on the mesoporous of mesoporous baffle with before the screw rod
The copper slide fit set of portion's light bar segment transverse direction slide fit.
9. stretching clamp according to claim 1, it is characterised in that the fixing piece up and down is respectively to be formed with located lateral
The upper cylindrical fixture in hole and the lower cylindrical fixture for being formed with lower located lateral hole, upper and lower cylindrical fixture pass through respectively
Fastening bolt is connected with upper and lower jig body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827274.3U CN207556981U (en) | 2017-12-25 | 2017-12-25 | For the stretching clamp of low-dimensional sized materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827274.3U CN207556981U (en) | 2017-12-25 | 2017-12-25 | For the stretching clamp of low-dimensional sized materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207556981U true CN207556981U (en) | 2018-06-29 |
Family
ID=62661273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721827274.3U Expired - Fee Related CN207556981U (en) | 2017-12-25 | 2017-12-25 | For the stretching clamp of low-dimensional sized materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207556981U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142042A (en) * | 2018-07-20 | 2019-01-04 | 燕山大学 | Combined type just dismounts mechanical property tests fixture |
| CN110553930A (en) * | 2019-09-17 | 2019-12-10 | 大连航天高科科技有限公司 | Improved test device and test method for shear performance of composite material base/fiber interface |
| CN113375581A (en) * | 2021-04-30 | 2021-09-10 | 西安电子科技大学 | Device and method for testing strain of low-dimensional material in different directions |
-
2017
- 2017-12-25 CN CN201721827274.3U patent/CN207556981U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142042A (en) * | 2018-07-20 | 2019-01-04 | 燕山大学 | Combined type just dismounts mechanical property tests fixture |
| CN109142042B (en) * | 2018-07-20 | 2020-08-28 | 燕山大学 | Combined type mechanical property experiment clamp convenient to disassemble and assemble |
| CN110553930A (en) * | 2019-09-17 | 2019-12-10 | 大连航天高科科技有限公司 | Improved test device and test method for shear performance of composite material base/fiber interface |
| CN110553930B (en) * | 2019-09-17 | 2022-03-18 | 大连宇晨高新材料有限公司 | Improved test device and test method for shear performance of composite material base/fiber interface |
| CN113375581A (en) * | 2021-04-30 | 2021-09-10 | 西安电子科技大学 | Device and method for testing strain of low-dimensional material in different directions |
| CN113375581B (en) * | 2021-04-30 | 2022-12-13 | 西安电子科技大学 | Device and method for testing strain of low-dimensional material in different directions |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20181225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |