CN205580924U - Material rheological behavior tester - Google Patents
Material rheological behavior tester Download PDFInfo
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- CN205580924U CN205580924U CN201620301046.1U CN201620301046U CN205580924U CN 205580924 U CN205580924 U CN 205580924U CN 201620301046 U CN201620301046 U CN 201620301046U CN 205580924 U CN205580924 U CN 205580924U
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- China
- Prior art keywords
- steel band
- thin slice
- guide wheel
- computer
- analog converter
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a material rheological behavior tester, sample room including arranging the environmental temperature control case in is equipped with test material, thin slice and thermistor in, the thin slice is connected with the steel band, and the steel band passes the guide pulley to be connected with the last metal block among the magnetorheological suspensions, and the lower metal block among the magnetorheological suspensions connects gradually through steel band and force sensor, micro motor, digital analog converter, computer, be equipped with the counterpoise on the steel band between thin slice and guide pulley, be equipped with optical attenuator on the steel band between guide pulley and last metal block, is below at the guide pulley equipped with he the ne laser instrument, he the laser signal that the ne laser instrument sent is received by the CCD charge -coupled device behind optical attenuator, and the CCD charge -coupled device connects gradually with signal amplifier, digital analog converter, computer. The utility model discloses can provide the material rheology data under different temperatures, the different stress condition for the experiment of material rheological behavior to guide development, processing and the application of material.
Description
Technical field
This utility model relates to a kind of tester, is specifically related to a kind of rheologic characteristics of material tester.
Background technology
Flow graph is the rheological behavior for testing material, with the exploitation of guiding material, processes and applies.Existing flow graph has:
Rotational rheometer, capillary rheometer, dynamic shear rheometer, bending mechanical properties.Rotational rheometer is used for testing constant temperature
Liquid viscosity under Du, by the liquid viscosity under test different temperatures, it is possible to obtain the viscosity-temperature characteristics of material；Capillary rheology
Instrument, for testing the polymer malt viscosity under steady temperature, can reflect the high teperature rheology property of polymer；Dynamic shear rheological
Instrument is mainly used in testing the viscous-elastic behaviour of material, it is possible to obtain the complex shear modulus of material and phase angle；Bending mechanical properties leads to
Cross the test that material is carried out low-temperature bending creep stiffness, obtain the low temperature rheological behavior of material.Owing to material is in molding and use
During, often need to be grasped it and strain over time under shear stress effect, and existing flow graph can only measure material at certain
Viscoelasticity (such as complex modulus, phase angle) under viscosity under one temperature conditions, or a certain specified conditions, therefore it is necessary that exploitation can
For test time dependent flow graph of material strain under shear stress effect.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of rheologic characteristics of material tester, and this tester can be material stream
Become attribute testing and provide the material flowing deformation data under different temperatures, different stress condition, for test material under shear stress effect
Strain time dependent rheological behavior.
This utility model be the technical scheme is that
A kind of rheologic characteristics of material tester, including being placed in the sample room of ambient temperature control chamber, is provided with test in described sample room
Material, and the thin slice that is embedded in test material and critesistor；
One end of described thin slice and the first steel band connects, and the other end of the first steel band (includes magnetic grain through guide wheel and magnetic flow liquid
Sub and non-magnetic conductance solution) in upper metal derby connect, the lower metal derby in magnetic flow liquid pass through the second steel band and pulling force sensor
Connecting, described pulling force sensor is sequentially connected with micromachine, the second digital to analog converter, computer；Between thin slice and guide wheel
The first steel band be provided with counterpoise, the first steel band between guide wheel and upper metal derby is provided with optical attenuator；At guide wheel
Lower section is provided with He-Ne laser instrument, and the laser signal that He-Ne laser instrument sends is received by CCD charge-coupled device after optical attenuator,
Described CCD charge-coupled device is sequentially connected with signal amplifier, the first digital to analog converter, computer；
Described critesistor is connected with computer by attemperating unit.
Further scheme is, the first steel band is close to guide wheel and is walked around, and the first steel band and guide wheel cast solid, in motor process,
First steel band does not produces Relative sliding with guide wheel.
Further scheme is, is provided with heat-conducting medium in described ambient temperature control chamber.
Further scheme is, described sample room is used for holding test material, and thin slice is vertically arranged in test material, and thin slice
For rectangle.
Sample room, ambient temperature control chamber, heat-conducting medium, critesistor, attemperating unit composition environment controlled condition system, use
Temperature in Control experiment material.Thin slice, the first steel band, guide wheel, magnetic flow liquid, upper metal derby, lower metal derby, balance weight
Code, the second steel band, micromachine, pulling force sensor composition add unloading control system, add unloading control system and can be opposite to test
Thin slice in material applies constant shear stress, and Real-time Collection is the strain of test material in adding uninstall process.He-Ne laser instrument,
Optical attenuator, CCD charge-coupled device, signal amplifier, the first digital to analog converter composition test data real-time acquisition device, use
In the displacement of thin slice is acquired.
Test material is placed in sample room, and the most vertically buries a thin slice underground, by micromachine, pulling force sensor
Thin slice is applied constant force, makes thin slice that test material is produced the shearing force of homogeneous constant, control pulling force by emr fluid
Add unloading, by He-Ne laser instrument, optical attenuator, the sheet displacement measurement system of CCD charge-coupled device group, in real time
Gather the reply displacement after the immediate movement after thin slice stress, dial-out displacement and pulling force unloading.
The beneficial effects of the utility model are:
This utility model can provide the material flowing deformation data under different temperatures, different stress condition for rheologic characteristics of material test, uses
In test time dependent rheological behavior of material strain under shear stress effect；
Under the influence of a magnetic field, the soft-magnetic particles being suspended in magnetic flow liquid can be magnetized emr fluid, tailing edge magnetic induction line side
To arrangement, being formed with the rigid body of sequence structure, moment becomes solid-state, upper metal derby and lower metal derby from liquid and is fixed, micro electric
The power that machine produces can be transmitted as the pulling force producing thin slice smoothly；When magnetic field disappears, and magnetic flow liquid moment becomes liquid, upper metal
Block and lower metal derby are replied freely, and the pulling force now produced thin slice disappears；The unloading that adds using emr fluid control pulling force can
Realize adding unloading without impact, it is therefore prevented that the initial impact kinetic energy impact on test result when adding unloading, accurately to obtain the wink of material
Time elastic deformation；
Technology is measured in the pattern displacement using He-Ne laser instrument, optical attenuator, CCD charge-coupled device composition, makes sample material
In deformation, Recovery Process, displacement data gathers more accurately reliable so that the foundation of material flowing deformation curve is more accurate；
This utility model can be used for testing the rheological behavior of the materials such as high-molecular organic material, Inorganic Non-metallic Materials and composite,
Can be the exploitation of material, process and apply offer to instruct；
This utility model can be used for testing viscoelastic material strain versus time curve under constant shear stress.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present utility model.
In figure: 1, sample room, 2, critesistor, 3, attemperating unit, 4, ambient temperature control chamber, 5, thin slice, 6-1,
First steel band, 6-2, the second steel band, 7, counterpoise, 8, guide wheel, 9, magnetic flow liquid, 10, pulling force sensor, 11,
Micromachine, 12, He-Ne laser instrument, 13, optical attenuator, 14, CCD charge-coupled device, 15, signal amplifier, 16,
First digital to analog converter, 17, computer, 18-1, upper metal derby, 18-2, lower metal derby, the 19, second digital to analog converter,
20, test material.
Detailed description of the invention
Further illustrate embodiment of the present utility model below in conjunction with the accompanying drawings.
See Fig. 1, a kind of rheologic characteristics of material tester, including being placed in the sample room 1 of ambient temperature control chamber 4, sample room 1
Inside it is provided with test material 20, and the thin slice 5 that is embedded in test material 20 and critesistor 2；Thin slice 5 is vertically arranged in test
In material 20；
Thin slice 5 is connected with one end of the first steel band 6-1, and the other end of the first steel band 6-1 is through guide wheel 8 and magnetic flow liquid 9 (bag
Include magnetic particle and non-magnetic conductance solution) in upper metal derby 18-1 connect, the lower metal derby 18-2 in magnetic flow liquid 9 passes through
Second steel band 6-2 is connected with micromachine 11, is provided with pulling force sensor 10 between the second steel band 6-2 and micromachine 11,
Described micromachine 11 is sequentially connected with the second digital to analog converter 19, computer 17；Between thin slice 5 and guide wheel 8 first
Steel band 6-1 is provided with counterpoise 7, and the first steel band 6-1 between guide wheel 8 and upper metal derby 18-1 is provided with optical attenuator
13；Be provided with He-Ne laser instrument 12 in the lower section of guide wheel 8, the laser signal that He-Ne laser instrument 12 sends is through optical attenuator 13
Received by CCD charge-coupled device 14 afterwards, CCD charge-coupled device 14 and signal amplifier the 15, first digital to analog converter 16,
Computer 17 is sequentially connected with；
Critesistor 2 is connected with computer 17 by attemperating unit 3.
In this utility model, the power in order to make micromachine 11 produce can be transferred on thin slice 5, can make the first steel band 6-1 and lead
Taking turns 8 cast solids, in motor process, the first steel band 6-1 does not produces Relative sliding with guide wheel 8.In order to ensure sample room 1
Homogeneous temperature, heat-conducting medium can be set in ambient temperature control chamber 4.
Sample room 1, ambient temperature control chamber 4, heat-conducting medium, critesistor 2, attemperating unit 3 form environmental condition and control system
System, for the temperature of Control experiment material.Thin slice the 5, first steel band 6-1, guide wheel 8, magnetic flow liquid 9, upper metal derby 18-1,
Lower metal derby 18-2, counterpoise the 7, second steel band 6-2, micromachine 11, pulling force sensor the 10, second digital to analog converter
19 compositions add unloading control system, add the thin slice 5 that unloading control system can be opposite in test material 20 and apply constant shear stress,
Real-time Collection is the strain of test material in adding uninstall process.He-Ne laser instrument 12, optical attenuator 13, CCD charge-coupled device
14, signal amplifier the 15, first digital to analog converter 16 forms test data real-time acquisition device, for the displacement to thin slice 5
It is acquired.Computer 17 adds unloading control system, environmental condition control system for control, and for receiving thin slice 5
Displacement data.In the preferred embodiment, for the temperature of preferably Control release material, described heat-conducting medium is conduction oil.
Claims (3)
1. a rheologic characteristics of material tester, it is characterised in that: include the sample room being placed in ambient temperature control chamber, described sample
Product indoor are provided with test material, and the thin slice that is embedded in test material and critesistor；
One end of described thin slice and the first steel band connects, and the other end of the first steel band is through guide wheel and the upper metal derby in magnetic flow liquid
Connecting, the lower metal derby in magnetic flow liquid is connected with pulling force sensor by the second steel band, described pulling force sensor and micromachine,
Second digital to analog converter, computer are sequentially connected with；It is provided with counterpoise, at guide wheel on the first steel band between thin slice and guide wheel
And the first steel band between upper metal derby is provided with optical attenuator；He-Ne laser instrument, He-Ne laser it is provided with in the lower section of guide wheel
The laser signal that device sends is received by CCD charge-coupled device after optical attenuator, described CCD charge-coupled device and signal amplifier,
First digital to analog converter, computer are sequentially connected with；
Described critesistor is connected with computer by attemperating unit.
Rheologic characteristics of material tester the most according to claim 1, it is characterised in that: described first steel band is cast with guide wheel
Integrally.
Rheologic characteristics of material tester the most according to claim 1, it is characterised in that: set in described ambient temperature control chamber
There is heat-conducting medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301046.1U CN205580924U (en) | 2016-04-12 | 2016-04-12 | Material rheological behavior tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620301046.1U CN205580924U (en) | 2016-04-12 | 2016-04-12 | Material rheological behavior tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205580924U true CN205580924U (en) | 2016-09-14 |
Family
ID=56864775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620301046.1U Withdrawn - After Issue CN205580924U (en) | 2016-04-12 | 2016-04-12 | Material rheological behavior tester |
Country Status (1)
| Country | Link |
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| CN (1) | CN205580924U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910958A (en) * | 2016-04-12 | 2016-08-31 | 武汉理工大学 | Material rheological model analyzer and material rheological model establishing method |
| CN106596333A (en) * | 2016-11-01 | 2017-04-26 | 美特斯工业系统（中国）有限公司 | Rheological measurement equipment for materials and using method thereof |
| CN107817174A (en) * | 2017-11-20 | 2018-03-20 | 哈尔滨工业大学 | One kind considers the interactive body phase asphalt mastic dynamic shearing complex modulus method of testing of substrate rubber cement |
| CN110793868A (en) * | 2019-12-10 | 2020-02-14 | 陕西理工大学 | Tension-compression type measuring instrument for flexural creep resistance of hard plastic |
-
2016
- 2016-04-12 CN CN201620301046.1U patent/CN205580924U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910958A (en) * | 2016-04-12 | 2016-08-31 | 武汉理工大学 | Material rheological model analyzer and material rheological model establishing method |
| CN105910958B (en) * | 2016-04-12 | 2018-10-23 | 武汉理工大学 | A kind of material flowing deformation model analysis instrument and the method for establishing material flowing deformation model |
| CN106596333A (en) * | 2016-11-01 | 2017-04-26 | 美特斯工业系统（中国）有限公司 | Rheological measurement equipment for materials and using method thereof |
| CN106596333B (en) * | 2016-11-01 | 2019-04-19 | 美特斯工业系统（中国）有限公司 | A kind of material flowing deformation measuring device and its application method |
| CN107817174A (en) * | 2017-11-20 | 2018-03-20 | 哈尔滨工业大学 | One kind considers the interactive body phase asphalt mastic dynamic shearing complex modulus method of testing of substrate rubber cement |
| CN110793868A (en) * | 2019-12-10 | 2020-02-14 | 陕西理工大学 | Tension-compression type measuring instrument for flexural creep resistance of hard plastic |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160914 Effective date of abandoning: 20181023 |