CN206330835U - A kind of microscope tensilometer adapted on light microscope - Google Patents
A kind of microscope tensilometer adapted on light microscope Download PDFInfo
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- CN206330835U CN206330835U CN201621293167.2U CN201621293167U CN206330835U CN 206330835 U CN206330835 U CN 206330835U CN 201621293167 U CN201621293167 U CN 201621293167U CN 206330835 U CN206330835 U CN 206330835U
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- 230000007246 mechanism Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 28
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 14
- 229920001971 elastomer Polymers 0.000 abstract description 9
- 239000000806 elastomer Substances 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 4
- 238000000879 optical micrograph Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 75
- 230000008859 change Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012876 topography Methods 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000013481 data capture Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000000007 visual effect Effects 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 microscope tensilometer adapted on light microscope, the tensilometer includes sample stationary fixture, it is V-arrangement, circular arc or trapezoidal with the clamping face of sample contacts clamped by sample, the sample stationary fixture includes upper grip and lower chuck, and the upper grip and lower chuck clamp sample by tightening fastening screw.Tensilometer of the present utility model has special-shaped sample stationary fixture, can guarantee that macromolecular elastomer material will not deviate from drawing process because of thinning, the stretching experiment complete to the very high macromolecular elastomer material progress of deformation rate；A series of light microscopes that can be adapted in laboratory, it is easy to operate, without being modified to light microscope, when using, to good position, it is horizontal forward to be pushed into portable microscope tensilometer below the camera lens of light microscope, sample is in the field of view of optical microphotograph lens head.
Description
Technical field
The utility model is related to elastomeric material to carry out using during modification of surface morphology observation under different stretch state
Light microscope on compact tensile instrument.
Background technology
Existing common stretching instrument can only carry out macromechanics test, and the mechanics of macromolecular elastomer material to sample
Performance and its structure change etc. are closely related, therefore material mechanical performance change procedure and material structure etc. are combined into progress
Research, is conducive to carrying out more in-depth study to macromolecular material.Although also having some by material mechanical performance and microcosmic chi
Degree combines the document in the test device studied, such as following table：
But it is main both for the extremely limited instrument of infrared spectrometry instrument, this sample pool space of ESEM, it is high
Molecular flexibility body material deformation quantity in drawing process is larger, and the volume for being limited to sample cell is limited, and the device in upper table is not
Can completely observes material from being stretched to the whole change procedure broken, and using being needed before scanning electron microscopic observation sample pair
Sample surfaces carry out the processing such as metal spraying, can also influence the observation to material real topography.Light microscope can be open
Used in environment, it is very not strict for size requirement of sample etc. due to its structure design, do not have to the lateral dimension of sample
It is restricted, and as technology develops, light microscope can also reach very high resolution ratio, particularly super depth of field optical microphotograph
Mirror and laser confocal scanning microscope, can not only meet the observation requirement to material microscopic appearance structure, and can enter
The three-dimensional geometry measurement of row material surface pattern, the brand-new visual field is provided for material surface morphology observation research.
Utility model content
The purpose of this utility model is to solve the problems, such as that material uses the microscopical observation and analysis of optics in drawing process, no
Change any structure of existing light microscope, Tensile Tester can be erected on microscope, made in drawing process
Sample is under microscopical camera lens, and does not influence the operation during microscope use.
The technical solution of the utility model is as follows：
A kind of sample stationary fixture on light microscope tensilometer, it is with the clamping face of clamped sample contacts
V-arrangement, circular arc or trapezoidal.
Further, the sample stationary fixture includes upper grip and lower chuck, and the upper grip and lower chuck are by twisting
Tight fastening screw clamps sample.When tightening fastening screw, fastening screw can drive direction of the upper grip along fastening screw
The axial movement close to lower chuck is done, plays a part of clamping sample.The clamping face of the upper grip and the clamping face of lower chuck
It is adapted, the clamping face formed with clamped sample contacts is V-arrangement, circular arc or trapezoidal sample stationary fixture.
Further, it is respectively equipped with tooth line on the upper grip of the sample stationary fixture and the clamping face of lower chuck.
The utility model also provides a kind of light microscope tensilometer adapted on light microscope, and it includes above-mentioned
Sample stationary fixture, fixed mount, pulling force sensor, drive mechanism and biaxial tension mechanism；
The sample stationary fixture is made up of sample stationary fixture I and sample stationary fixture II；The biaxial tension mechanism
Including driving section, the side plate II of side plate I；The drive mechanism connects the driving section, drives the side plate I and side plate II to do conversely
The displacement movement in direction；The sample stationary fixture I is fixedly connected with the side plate I, the sample stationary fixture II with it is described
Side plate II is fixedly connected, and the pulling force sensor is fixedly connected between sample stationary fixture I and side plate I or sample stationary fixture
Between II and side plate II.Preferably, the pulling force sensor is fixedly connected between sample stationary fixture II and side plate II, i.e. institute
The one end for stating pulling force sensor is fixedly connected on sample stationary fixture II, and the other end is fixedly connected on side plate II, test sample
Tensile load.
Further, the drive mechanism includes closed loop stepper motor, bellows coupling；
The driving section includes nut I, nut II and left-right rotary screw rod, and nut I and nut II and left-right rotary screw rod are with spiral shell
The mode of line connection is connected；The closed loop stepper motor is fixedly connected with the left-right rotary screw rod by bellows coupling；
The sample stationary fixture I is fixedly connected nut I by side plate I, and the sample stationary fixture II is fixedly connected by side plate II
Nut II.Preferably, sample stationary fixture II is fixedly connected nut II by pulling force sensor with side plate II.
Further, described light microscope tensilometer, also including support base, fixed seat, polished rod, fixed mount and branch
Frame；The polished rod wears the even support base, fixed seat, is slidably connected with side plate I and side plate II；The left-right rotary screw rod passes through institute
Support base and fixed seat is stated to be fixedly connected with the bellows coupling；The support base, fixed seat and drive mechanism are fixed and set
Put on fixed mount；The support is square set, and the fixed mount is welded and fixed on the bracket.
Light microscope tensilometer described in the utility model, also including controllor for step-by-step motor, can drive to stepper motor
Dynamic device sends instruction on request, controls rotating speed, the rotating cycle of stepper motor, thus the draw speed of Control Assay and stretching away from
From so the parameter such as draw speed, stretching displacement, incipient extension length can be according to the situation flexible modulation of sample.Stretching
The returning quickly of stretching device can be realized by the program setting of controller after end.Data collecting card can real-time high-precision height
The analog signal of the collection S type pulling force sensors of frequency, is converted into data signal, is then imported into by USB data line
On computer, processing and analysis are acquired to test data by softwares such as Labview conventional in engineering on computers.
The use principle and method of microscope tensilometer described in the utility model are as follows：One end of tensile sample is consolidated
Sample stationary fixture I is scheduled on, the other end is fixed on sample stationary fixture II, drives closed loop stepper motor, stepper motor occurs
Rotate, bellows coupling starts rotation, drive the left-right rotary screw rod for being secured to connection to rotate, this can drive and left-right rotary again
Two nuts of screw slide connection are equidistantly moved to relative to opposite direction constant speed respectively, and nut drives two side plates and two
Sample stationary fixture is also to relative opposite direction constant speed equidistance motion, so that tensile sample is elongated, and sample center is protected
Hold constant.
The utility model, which is specially devised, is directed to light microscope (including super depth of field light microscope and laser co-focusing
Flying-spot microscope) the portable microscope tensilometer that uses, the mechanics of some testers before overcoming in measurement material
The drawbacks of Fine Texture of Material morphology observation being carried out while performance：
(1) distinctive special-shaped sample stationary fixture, can guarantee that macromolecular elastomer material will not be because of in drawing process
It is thinning and deviate from, complete stretching experiment is carried out to deformation rate very high macromolecular elastomer material；
(2) a series of light microscopes that can be adapted in laboratory, easy to operate, without being carried out to light microscope
Change etc., in use, to good position, it is horizontal forward to be pushed into portable microscope tensilometer below the camera lens of light microscope,
Sample is set to be in the field of view of optical microphotograph lens head.
(3) stepper motor can be by its rotating speed of programme-control and step number, so that indirect control sample stationary fixture clips examination
Sample carries out specific draw speed, the tension test of specific tensile elongation, and drawing process can pass through strain gauge and motor rotation
Step number, which converts, obtains the load-deformation curve of material, and observes the corresponding surface in sample certain point on load-deformation curve
Pattern, this changes for the tissue topography of research material drawing process and analysis of material fracture process is significant.
(4) due to controllor for step-by-step motor can flexible programming, pulling force sensor and stepper motor can be combined,
The experiment that can carry out having particular/special requirement by programming, for example, allow sample to keep constant strain amount, observe the stress relaxation of sample
Phenomenon, the load for allowing sample two ends to load keeps constant, the creep properties of observation sample under permanent load etc..
(5) macromolecular elastomer material deformation quantity in drawing process is larger, and sample is easily slided from fixture in drawing process
Go out, cause surveyed deformation quantity not to be inconsistent with the true deformation quantity of material, and there is also the phenomenon that sample is slipped from fixture, cause drawing
Stretching experiment can not be normally carried out, and fixture is optimized the utility model, and the V-arrangement fixture of design effectively prevent high score bullet
The phenomenon for skidding off and slipping from fixture in elastomer material drawing process.
(6) size limitation of the light microscope to sample be not strict, is not limited on horizontal space, effectively stretching length
Degree is larger, disclosure satisfy that the requirement of macromolecular elastomer material stretching, and can keep macromolecular elastomer in drawing process
The micro- lens head of its center opposing optical keeps constant, meets the demand of home position observation.Carried out using the equipment in situ dynamic
State is observed, during sample tensile test is carried out, and can see that the surface topography of tensile sample becomes in real time on microscope
The molecularly oriented that change, occurs, such as there is crystallizing at the phenomenon in material in drawing process, obtains in macromolecular material drawing process per a flash
Between certain point in the change that occurs, and the load-deformation curve that the change that the moment material occurs is obtained with measurement it is direct
It is mapped.
Brief description of the drawings
Fig. 1 is sample stationary fixture schematic diagram of the present utility model, and wherein A is V-arrangement sample stationary fixture, and B is circular arc
Sample stationary fixture, C is trapezoidal sample stationary fixture；
Fig. 2 is the structural representation of the utility model tensilometer；
Fig. 3 is the utility model tensilometer step motor control case；
Fig. 4 is schematic diagram when the utility model tensilometer is used for laser confocal microscope；
Fig. 5 is schematic diagram when the utility model tensilometer is used for ordinary optical microscope；
1st, support base；
2nd, left-right rotary screw rod；
3rd, polished rod；
4th, side plate I；
5th, the lower chuck of fixture I；
6th, the upper grip of fixture I；
7th, the upper grip of fixture II；
8th, the lower chuck of fixture II；
9th, pulling force sensor；
10th, side plate II；
11st, fixed seat；
12nd, bellows coupling；
13rd, closed loop stepper motor；
14th, stepper motor coding line interface；
15th, stepper motor power supply interface；
16th, nut I；
17th, pulling force sensor data line interface；
18th, nut II；
19th, fixed mount；
20th, electric machine support；
21st, support；
22nd, pulling force sensor data line interface；
23rd, stepper motor coding line interface；
24th, stepper motor power supply interface；
25th, total power switch；
26th, display control region；
27th, USB data line interface.
Embodiment
Following non-limiting examples can make one of ordinary skill in the art that the utility model is more fully understood, but
The utility model is not limited in any way.
As depicted in figs. 1 and 2, the light microscope tensilometer of the present utility model adapted on light microscope, it is wrapped
Include sample stationary fixture, fixed mount, pulling force sensor, drive mechanism and biaxial tension mechanism；The sample stationary fixture is by sample
Product stationary fixture I and sample stationary fixture II are constituted；The biaxial tension mechanism includes driving section, the side plate II of side plate I；It is described to drive
Motivation structure connects the driving section, drives the side plate I and side plate II to do the displacement movement of opposite direction；The sample geometrical clamp
Tool I is fixedly connected with the side plate I, and the sample stationary fixture II is fixedly connected with the pulling force sensor, and the pulling force is passed
Sensor is fixedly connected with the side plate II.
The sample stationary fixture I has upper grip and lower chuck, and the upper grip and lower chuck are by tightening fastening spiral shell
Silk clamps sample.When tightening fastening screw, fastening screw can drive direction of the upper grip along fastening screw to do under
The axial movement of chuck, plays a part of clamping sample.The clamping face of the upper grip and the clamping face of lower chuck are adapted, shape
Into with the clamping face of clamped sample contacts be V-arrangement, circular arc or trapezoidal sample stationary fixture.The folder of upper grip and lower chuck
Hold and be respectively equipped with face tooth line, improve the fixed effect of stretching sample.
The drive mechanism includes closed loop stepper motor, bellows coupling；The driving section includes nut I, nut
II and left-right rotary screw rod, nut I and nut II are connected with left-right rotary screw rod by the way of threaded connection；The closed loop stepping
The output end of motor is fixedly connected with bellows coupling, bellows coupling and motor linkage, the bellows coupling with
The left-right rotary screw rod is fixedly connected, and left-right rotary screw rod can be driven to rotate；The lower chuck and nut I of the sample stationary fixture I
On the facade for being fixedly connected on side plate I, the sample stationary fixture II is fixed on the vertical of the side plate II by pulling force sensor
On face, i.e., one end of described pulling force sensor is fixedly connected on sample stationary fixture II, and the other end is fixedly connected on side plate II, surveys
The tensile strength of test agent.The same pulling force sensor can be fixedly connected between sample stationary fixture I and side plate I.
As shown in Fig. 2 described light microscope tensilometer, also including support base, fixed seat, polished rod, fixed mount and branch
Frame；The polished rod wears the even support base, fixed seat, is slidably connected with side plate I and side plate II；The left-right rotary screw rod passes through institute
Support base and fixed seat is stated to be fixedly connected with the bellows coupling；The support base, fixed seat and drive mechanism are fixed and set
Put on fixed mount；The support is square set, and the fixed mount setting is on the bracket.
A series of light microscopes that light microscope tensilometer described in the utility model can be adapted in laboratory, behaviour
Facilitate, without being modified to light microscope, in use, to good position, it is horizontal forward to stretch portable microscope
Below the camera lens of instrument push-in light microscope, sample is set to be in the field of view of optical microphotograph lens head.
When being detected using light microscope tensilometer described in the utility model：One end of tensile sample is fixed on sample
Product stationary fixture I, the other end is fixed on sample stationary fixture II, drives closed loop stepper motor, and stepper motor rotates, ripple
Line pipe shaft coupling starts rotation, drives the left-right rotary screw rod for being secured to connection to rotate, this can drive and left-right rotary screw rod spiral shell again
Two nuts of line connection are equidistantly moved to relative to opposite direction constant speed respectively, and nut drives two side plates and two samples to consolidate
Clamp has also to relative opposite direction constant speed equidistance motion, so that tensile sample is elongated, and sample center keeps constant.
As shown in figure 3, light microscope tensilometer described in the utility model, controllable also including step motor control case
The rotating speed of stepper motor processed, rotating cycle, so that the draw speed and stretching distance of Control Assay, so draw speed, stretching
The parameters such as displacement, incipient extension length can be according to the situation flexible modulation of sample.Tension test terminate after by control
The program setting of device can realize the returning quickly of stretching device.Built-in data collecting card can real-time high-precision high frequency in control cabinet
The analog signal of the collection S type pulling force sensors of rate, is converted into data signal, then imported into electricity by USB data line
On brain, processing and analysis are acquired to test data by softwares such as Labview conventional in engineering on computers.In Fig. 3
The pulling force sensor data line interface indicated is connected with the pulling force sensor data line interface in Fig. 2, stepper motor line of codes
Interface is connected with the stepper motor coding line interface in Fig. 2, stepper motor power supply interface and the stepper motor power supply interface in Fig. 2
It is connected, display control region is that the USB data line interface in the guidance panel of controllor for step-by-step motor, figure can even on computers
The data of the pulling force sensor collected for output data capture card.
Fig. 4 is schematic diagram when the utility model tensilometer is used for laser confocal microscope, and Fig. 5 draws for the utility model
The schematic diagram for stretching instrument when being used for ordinary optical microscope.Such as Fig. 4 and Fig. 5, when using portable microscope tensilometer, only need by
It is pushed into below micro- lens head and adjusted, and sample center is just placed in below microscopical camera lens.It is applied to
The operating method in Fig. 4 and Fig. 5 is can refer to during other microscopes.
Claims (6)
1. a kind of sample stationary fixture on light microscope tensilometer, it is characterised in that itself and sample clamped by sample
The clamping face of contact is V-arrangement, circular arc or trapezoidal.
2. sample stationary fixture according to claim 1, it is characterised in that the sample stationary fixture include upper grip and
Lower chuck, the upper grip and lower chuck clamp sample by tightening fastening screw.
3. sample stationary fixture according to claim 2, it is characterised in that the sample clamping of the upper grip and lower chuck
Tooth line is respectively equipped with face.
4. a kind of light microscope tensilometer adapted on light microscope, it includes fixed mount, pulling force sensor, driving machine
Sample stationary fixture described in any one of structure and biaxial tension mechanism and claims 1 to 3；
The sample stationary fixture is made up of sample stationary fixture I and sample stationary fixture II；
The biaxial tension mechanism includes driving section, side plate I and side plate II；
The drive mechanism connects the driving section, drives the side plate I and side plate II to do the displacement movement of opposite direction；
The sample stationary fixture I is fixedly connected with the side plate I, and the sample stationary fixture II is fixed with the side plate II to be connected
Connect, the pulling force sensor be fixedly connected between sample stationary fixture I and side plate I or sample stationary fixture II and side plate II it
Between.
5. light microscope tensilometer according to claim 4, it is characterised in that
The drive mechanism includes closed loop stepper motor, bellows coupling；
The driving section includes nut I, nut II and left-right rotary screw rod, and nut I and nut II are connected with left-right rotary screw rod with screw thread
The mode connect is connected；
The closed loop stepper motor is fixedly connected with the left-right rotary screw rod by bellows coupling；
The sample stationary fixture I is fixedly connected nut I by side plate I, and the sample stationary fixture II is fixed by side plate II
Attaching nut II.
6. light microscope tensilometer according to claim 5, it is characterised in that
The tensilometer also includes support base, fixed seat, polished rod, fixed mount and support；
The polished rod wears the even support base, fixed seat, is slidably connected with side plate I and side plate II；
The left-right rotary screw rod is fixedly connected through the support base and fixed seat with the bellows coupling；
The support base, fixed seat and drive mechanism are fixedly installed on fixed mount；
The support is square set, and the fixed mount setting is on the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621293167.2U CN206330835U (en) | 2016-11-29 | 2016-11-29 | A kind of microscope tensilometer adapted on light microscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621293167.2U CN206330835U (en) | 2016-11-29 | 2016-11-29 | A kind of microscope tensilometer adapted on light microscope |
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| Publication Number | Publication Date |
|---|---|
| CN206330835U true CN206330835U (en) | 2017-07-14 |
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| CN201621293167.2U Expired - Fee Related CN206330835U (en) | 2016-11-29 | 2016-11-29 | A kind of microscope tensilometer adapted on light microscope |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687991A (en) * | 2017-09-07 | 2018-02-13 | 国家纳米科学中心 | A kind of test method of the device for simulating small bowel peristalsis and Nano medication diffusion |
| CN109883839A (en) * | 2019-03-28 | 2019-06-14 | 广东工业大学 | A kind of stretcher of material sample and system for infrared spectrum analysis |
| CN110618048A (en) * | 2019-09-23 | 2019-12-27 | 武汉大学 | Bellows simulation fatigue test device and test method thereof |
| CN113049362A (en) * | 2021-03-18 | 2021-06-29 | 凯尔测控试验系统（天津）有限公司 | Miniature in-situ biaxial mechanical testing machine for confocal microscope |
-
2016
- 2016-11-29 CN CN201621293167.2U patent/CN206330835U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687991A (en) * | 2017-09-07 | 2018-02-13 | 国家纳米科学中心 | A kind of test method of the device for simulating small bowel peristalsis and Nano medication diffusion |
| CN107687991B (en) * | 2017-09-07 | 2020-10-16 | 国家纳米科学中心 | Device for simulating small intestine peristalsis and test method for nano-drug diffusion |
| CN109883839A (en) * | 2019-03-28 | 2019-06-14 | 广东工业大学 | A kind of stretcher of material sample and system for infrared spectrum analysis |
| CN109883839B (en) * | 2019-03-28 | 2022-04-19 | 广东工业大学 | Material sample stretching device and system for infrared spectroscopy |
| CN110618048A (en) * | 2019-09-23 | 2019-12-27 | 武汉大学 | Bellows simulation fatigue test device and test method thereof |
| CN110618048B (en) * | 2019-09-23 | 2020-12-29 | 武汉大学 | Bellows simulation fatigue test device and test method thereof |
| CN113049362A (en) * | 2021-03-18 | 2021-06-29 | 凯尔测控试验系统（天津）有限公司 | Miniature in-situ biaxial mechanical testing machine for confocal microscope |
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Granted publication date: 20170714 |