CN208109602U - Biaxial stretch-formed mechanics performance testing apparatus and micro mechanical property test equipment in situ - Google Patents
Biaxial stretch-formed mechanics performance testing apparatus and micro mechanical property test equipment in situ Download PDFInfo
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- CN208109602U CN208109602U CN201820443959.6U CN201820443959U CN208109602U CN 208109602 U CN208109602 U CN 208109602U CN 201820443959 U CN201820443959 U CN 201820443959U CN 208109602 U CN208109602 U CN 208109602U
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- 238000012360 testing method Methods 0.000 title claims abstract description 178
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 24
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Abstract
The utility model relates to a kind of biaxial stretch-formed mechanics performance testing apparatus and micro mechanical property test equipment in situ.The biaxial stretch-formed mechanics performance testing apparatus carries out tension test mainly for thin-film material, test specimen to be tested is put between fixture upper plate component and fixture lower plate component when use and is fixed, twin shaft is carried out to test specimen using stretching device or is uniaxially stretched, then using power suffered by test specimen on acting force detection apparatus detection draw direction, and the change in size that test specimen generates on draw direction is detected by displacement detector；Simultaneously, it is small in size due to stretching mechanical property testing instrument provided by the utility model, it is compact-sized, it can directly be combined with Raman spectrometer, XRD, super depth-of-field microscope or optical microscopy, it realizes to develop the microscopic damage of tested test specimen and carries out in-situ characterization, provide reference for the microscopic damage development law and failure mechanism of research material.
Description
Technical field
The utility model relates to mechanical property tester device technical fields, and in particular, to a kind of biaxial stretch-formed mechanics
It can test equipment and micro mechanical property test equipment in situ.
Background technique
Textile material and thin-film material are the very extensive a kind of materials of routine use, in textile material plane, latitude and longitude
It is orthogonal.Due to latitude and longitude different properties, fabric is it is believed that orthotropic.Thin-film material is not bent just
Degree is only capable of resisting pulling force.However in actual use, not by the destruction of single form, but complex stress is total to
Same-action.It is no more than this requires weaving or thin-film material there must be a kind of receiving mechanical load and permits to deform or do not destroy
Ability, this ability is exactly the mechanical property of material, and it is to be understood that material mechanical property and influence material mechanical performance
Various factors, just must bond material failure mode, by contrived experiment come the mechanical property of Knowing material various aspects.
Wherein, tension test is then one of most widely used mechanical test method.Traditional tension test is general
It is to be carried out on universal testing machine, when test, adjusts moving beam to appropriate location, standard sample is in vertical simultaneously
Sample is clamped when centrally located, then loads and is stretched on standard sample, since tensile fatigue load is more conform with
The real work situation of structural member and functor in actual production, so being often used in tension test.
In-situ mechanical test, which refers to, carries out Mechanics Performance Testing to material for test under micro-, nanoscale, passes through electricity
The observation instruments such as sub- microscope act on load a kind of power that the microdeformation damage that lower material occurs carries out whole dynamic monitoring
Learn measuring technology.The deep Micromechanics behavior for disclosing various types of materials and its product of the technology, micromechanism of damage and its with load
Correlation rule between lotus effect and material property.But this tensile test device volume is big, belongs to " ex situ " and stretches and surveys
Examination field cannot be by means of scanning electron microscope that is, in the dynamic process of test, Raman spectrometer, and laser co-focusing is aobvious
Micro mirror, the micro-imagings such as super depth-of-field microscope component under tensile loads operating condition, carry out dynamic in real time in situ to test specimen
Monitoring.
Utility model content
In order to improve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of biaxial stretch-formed mechanics performances
Test equipment and micro mechanical property test equipment in situ, to solve existing tensile test device body existing in the prior art
Product is big, belongs to " ex situ " extension test field, i.e., in the dynamic process of test, cannot by means of scanning electron microscope,
Raman spectrometer, laser confocal microscope, the micro-imagings such as super depth-of-field microscope component is to test specimen in tensile loads work
Under condition, the technical issues of carrying out real-time dynamic monitoring in situ.
A kind of biaxial stretch-formed mechanics performance testing apparatus in an embodiment of the present invention, there is provided, it is described biaxial stretch-formed
Mechanical property tester device includes pedestal and the fixture fixing device being set on pedestal, stretching device, active force detection dress
It sets and displacement detector；For fixing test specimen to be tested, the fixture fixing device includes the fixture fixing device
Fixture upper plate component and fixture lower plate component, test specimen is placed between the fixture upper plate component and fixture lower plate component, described
Fixture lower plate component includes the first fixture lower plate component being arranged in a mutually vertical manner and the second fixture lower plate component, under the first fixture
Board group part includes fixture lower plate a and fixture lower plate b arranged in parallel, and the second fixture lower plate component includes to be parallel to each other
The fixture lower plate c and fixture lower plate d of setting, the fixture upper plate component include fixture upper plate a, fixture upper plate b, on fixture
Plate c, fixture upper plate d, the fixture upper plate a are located at the top fixture lower plate a, and the fixture upper plate b is located above fixture lower plate b,
The fixture upper plate c is located above fixture lower plate c, and the fixture upper plate d is located above fixture lower plate d, fills to test specimen
Folder；The quantity of the stretching device be four, the stretching device respectively with fixture lower plate a, fixture lower plate b, fixture lower plate c,
Fixture lower plate d is connected, for applying pulling force and pressure in orthogonal both direction to test specimen；The displacement detecting dress
Set quantity be four, institute's displacement sensing device respectively with fixture lower plate a, fixture lower plate b, fixture lower plate c, fixture lower plate d phase
Connection, for being measured to displacement of the test specimen on four direction；The quantity at least two of the acting force detection apparatus,
Two acting force detection apparatus are connected with the orthogonal two fixture lower plates respectively, are used for test specimen at two
Suffered active force measures in mutually orthogonal direction.
Preferably, multiple fixation holes are provided in the fixture upper plate and fixture lower plate, the fixture fixing device is also
It include straight pin and screw, test specimen is mounted between fixture upper plate component and fixture lower plate component, and straight pin sequentially passes through folder
The fixation hole for having the fixation hole of upper plate, test specimen and fixture lower plate plays positioning action, and the screw will sequentially pass through fixture upper plate
Fixation hole, test specimen and fixture lower plate fixation hole tighten the fixation to realize test specimen.
Preferably, the fixture fixing device further includes having clamp supporting plate and fixture fixed pin, the clamp supporting plate
Quantity at least two, two clamp supporting plates are set to the lower section of two orthogonal fixture lower plates, the folder
Multiple fixation holes are provided in tool support plate, the fixture fixed pin will by the fixation hole in fixture lower plate and clamp supporting plate
The clamp supporting plate and fixture lower plate are fixed, and the clamp supporting plate is fixedly installed on the pedestal.
Preferably, the stretching device include driving unit, big spur bevel gear and with the big straight bevel tooth
Small spur bevel gear a, small spur bevel gear b, small spur bevel gear c and the small straight bevel tooth of wheel intermeshing setting
D is taken turns, the small spur bevel gear a and small spur bevel gear c are arranged in parallel, the small spur bevel gear b, small
Spur bevel gear d is arranged in parallel, and the small spur bevel gear a is round with small spur bevel gear b, small straight-tooth respectively
Bevel gear d is mutually perpendicular to；The small spur bevel gear a, small spur bevel gear b, small spur bevel gear c, small straight-tooth circle
Bevel gear d is accordingly separately connected with lead screw a, lead screw b, lead screw c, lead screw d, and the lead screw a, lead screw b, lead screw c, lead screw d are again
Respectively correspondingly it is connected with fixture lower plate a, fixture lower plate b, fixture lower plate c, fixture lower plate d, for driving under the fixture
Plate a, fixture lower plate b, fixture lower plate c, fixture lower plate d are moved axially along direction, to realize to four axial direction sides of test specimen
Upward force.
Preferably, institute's displacement sensing device includes fixed plate, displacement sensor, displacement sensor support and support
Plate, the fixed plate and support plate are fixed on the base, and one end of screw rod is fixedly installed in the fixed plate, lead screw
The other end is connected with each other by the support plate and fixture lower plate, and the support plate is slidably connected with lead screw；The displacement sensing
One end of device support is fixed in the fixed plate, and the other end is fixed in the support plate, and institute's displacement sensors are fixed on
On institute's displacement sensors support, and institute's displacement sensors are connected with corresponding fixture lower plate, for incuding the fixture
Displacement of the lower plate on the axis of the screw rod direction.
Preferably, the acting force detection apparatus includes force sensor, the force snesor be located at the support plate with
Between clamp supporting plate, it is used for and is fixedly mounted with the support plate, and the force snesor and the clamp supporting plate phase
Connection, for detecting the magnitude of load of power suffered by test specimen.
Preferably, the biaxial stretch-formed mechanics performance testing apparatus further includes having heating mechanism, and the heating mechanism is located at
Below the fixture fixing device, for being heated to the test specimen；The heating mechanism includes warm table and warm table
Support plate, the warm table are removably attached in the warm table support plate, and the warm table support plate is fixed on described
On pedestal.
Preferably, the biaxial stretch-formed mechanics performance testing apparatus further includes having test specimen standardization production instrument, for making
Make standardization test specimen.
Preferably, the test specimen standardization production instrument includes the upper die holder and lower die holder being arranged along the vertical direction, institute
It states upper die holder and lower die holder and passes through straight pin stationary positioned；It is provided with stock supporting plate on the lower die holder, it is to be processed for placing
Test specimen；Die shank, punch retainer and material fixed plate, the punch retainer and upper die holder phase are provided on the upper die holder
Even, the die shank is connected with punch retainer, and passes through the fixation hole on the upper die holder, and the die shank is described convex for controlling
Mould fixed plate moves along the vertical direction, is connect by spring with material fixed plate below the punch retainer, and the punch-pin is solid
The side of fixed board towards the lower die holder is provided with cutter, on the setting position of the cutter and fixture upper plate and fixture lower plate
The position setting of fixation hole is consistent.
A kind of micro mechanical property test equipment in situ, the original position are microcosmic in an embodiment of the present invention, there is provided
Mechanics Performance Testing equipment includes in-situ observation instrument and biaxial stretch-formed mechanics performance testing apparatus as described above.
Biaxial stretch-formed mechanics performance testing apparatus provided by the utility model using when test specimen to be tested is put into fixture
It is fixed between upper plate component and fixture lower plate component, test specimen is stretched using stretching device, is then detected using active force
Device detects power suffered by test specimen on draw direction, and the ruler generated using test specimen on displacement detector detection draw direction
Very little variation；Simultaneously as biaxial stretch-formed mechanics performance testing apparatus provided by the utility model is small in size, and it is compact-sized, it can
Directly to be combined with Raman spectrometer, XRD, super depth-of-field microscope or optical microscopy, realize to the microcosmic of tested test specimen
The differentiation of damage carries out monitoring in situ, provides reference for the failure mechanism of research material.With existing equipment equipment volume it is big,
Structure is complicated, somewhat expensive and the problems such as poor compatibility are compared, biaxial stretch-formed mechanics ability meter provided by the utility model
Device carries out material micro mechanical property test to material test specimen by different load loading methods, and then provides reliable material
Micro mechanical property test in situ.
Original position micro mechanical property test equipment provided by the utility model comprising have in-situ observation instrument and institute as above
The biaxial stretch-formed mechanics performance testing apparatus stated.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of biaxial stretch-formed mechanics performance testing apparatus provided by the utility model；
Fig. 2 is the top view of biaxial stretch-formed mechanics performance testing apparatus provided by the utility model；
Fig. 3 is the side view of biaxial stretch-formed mechanics performance testing apparatus provided by the utility model；
Fig. 4 is the structural representation of the fixture fixing device of biaxial stretch-formed mechanics performance testing apparatus provided by the utility model
Figure；
Fig. 5 is driving unit, the big straight bevel tooth of biaxial stretch-formed mechanics performance testing apparatus provided by the utility model
The attachment structure schematic diagram of wheel and small spur bevel gear；
Fig. 6 is the side view explosive view of biaxial stretch-formed mechanics performance testing apparatus provided by the utility model；
Fig. 7 is the main view of the test specimen of biaxial stretch-formed mechanics performance testing apparatus provided by the utility model；
Fig. 8 is the side of the test specimen standardization production instrument of biaxial stretch-formed mechanics performance testing apparatus provided by the utility model
View；
Fig. 9 is the knot of the test specimen standardization production instrument of biaxial stretch-formed mechanics performance testing apparatus provided by the utility model
Structure schematic diagram.
Icon：1- pedestal；2- fixture fixed pin；3- fixture lower plate a；4- force snesor a；5- fixed plate a；6-
Force snesor support plate a；7- lead screw a；8- guide rail a；9- clamp supporting plate a；10- fixture upper plate a；The support of 11- pedestal
Column；12- displacement sensor support plate a；13- displacement sensor support a；14- displacement sensor a；15- lead screw b；16- is solid
Fixed board b；17- guide rail b；18- fixture lower plate b；19- fixture upper plate b；20- fixture lower plate c；The support of 21- displacement sensor
Plate b；22- guide rail c；23- lead screw c；24- displacement sensor b；25- fixed plate c；26- displacement sensor support b；27-
Fixture upper plate c；28- clamp supporting plate b；29- force snesor b；30- fixed plate d；31- lead screw d；32- force snesor branch
Fagging b；33- guide rail d；34- fixture lower plate d；35- fixture upper plate d；36-- warm table；The small spur bevel gear of 37-
a；The big spur bevel gear of 38-；The small spur bevel gear b of 39-；The small spur bevel gear c of 40-；The small straight bevel of 41-
Gear d；42- motor；43- die shank；44- punch retainer；45- spring；46- cutter；47- material fixed plate；48-
Upper die holder；49- stock supporting plate；50- lower die holder；51- straight pin；52- test specimen；53- warm table support plate；54- screw；
55- displacement sensor c；56- displacement sensor d；57- displacement sensor support c；58- displacement sensor support d.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that term such as occur "center", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply phase
To importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term is " even
It is logical ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
The utility model provides a kind of biaxial stretch-formed mechanics performance testing apparatus and micro mechanical property test equipment in situ,
And provide embodiments thereof.
As shown in Figure 1-Figure 3, biaxial stretch-formed mechanics performance testing apparatus provided by the utility model comprising have pedestal 1
With fixture fixing device, stretching device, acting force detection apparatus and the displacement detector being set on pedestal 1；Fixture is fixed
For device for fixing test specimen 52 to be tested, fixture fixing device includes fixture upper plate component and fixture lower plate component, test specimen
52 are placed between fixture upper plate component and fixture lower plate component, and fixture lower plate component includes first be arranged in a mutually vertical manner
Fixture lower plate component and the second fixture lower plate component, the first fixture lower plate component include fixture lower plate a3 arranged in parallel
With fixture lower plate b18, the second fixture lower plate component includes fixture lower plate c20 and fixture lower plate d34 arranged in parallel, folder
Tool upper plate component includes fixture upper plate a10, fixture upper plate b19, fixture upper plate c27, fixture upper plate d35, and fixture upper plate a10
Above fixture lower plate a3, fixture upper plate b19 is located above fixture lower plate b18, and fixture upper plate c27 is located on fixture lower plate c20
Side, fixture upper plate d35 are located above fixture lower plate d34, carry out clamping to test specimen 52；The quantity of stretching device is four, is stretched
Device is connected with fixture lower plate a3, fixture lower plate b18, fixture lower plate c20, fixture lower plate d34 respectively, for existing to test specimen 52
Apply pulling force and pressure in orthogonal both direction；Displacement detector quantity be four, displacement detector respectively with
Fixture lower plate a3, fixture lower plate b18, fixture lower plate c20, fixture lower plate d34 are connected, and are used for test specimen 52 in four direction
Displacement measure；The quantity at least two of acting force detection apparatus, two acting force detection apparatus hang down with mutual respectively
Two straight fixture lower plates are connected, for test specimen 52, suffered active force to be surveyed in two mutually orthogonal directions
Amount.
Biaxial stretch-formed mechanics performance testing apparatus provided by the utility model using when test specimen 52 to be tested is put into folder
Have and fixed between upper plate component and fixture lower plate component, test specimen 52 is stretched using stretching device, then utilizes active force
Detection device detects power suffered by test specimen 52 on draw direction, and utilizes test specimen 52 on displacement detector detection draw direction
The change in size of generation；Simultaneously as small in size, the structure of biaxial stretch-formed mechanics performance testing apparatus provided by the utility model
It is compact, it can directly be combined with Raman spectrometer, XRD, super depth-of-field microscope or optical microscopy, realize and have a try to tested
The differentiation of the microscopic damage of part 52 carries out monitoring in situ, provides reference for the failure mechanism of research material.With existing equipment
Equipment volume is big, structure is complicated, somewhat expensive and the problems such as poor compatibility are compared, biaxial stretch-formed mechanics provided by the utility model
Performance testing apparatus carries out material micro mechanical property test, Jin Erti to material test specimen 52 by different load loading methods
For reliable material in situ micro mechanical property test.
As shown in figure 4, being provided with multiple fixation holes in fixture upper plate and fixture lower plate, fixture fixing device further includes having
Straight pin 51 and screw 54, test specimen 52 are mounted between fixture upper plate component and fixture lower plate component, and straight pin 51 sequentially passes through
The fixation hole of the fixation hole of fixture upper plate, test specimen 52 and fixture lower plate plays positioning action, and screw 54 will sequentially pass through on fixture
The fixation hole of the fixation hole of plate, test specimen 52 and fixture lower plate tightens the fixation to realize test specimen 52.The sample totality ruler of test specimen 52
Very little 60 × 60mm of size, fixture upper plate a10 and fixture lower plate a3, fixture upper plate b19 and fixture upper plate b19, fixture upper plate c27 and
Positioning is carried out by straight pin 51 between fixture lower plate c20, fixture upper plate d35 and fixture lower plate d34 and screw 54 is fixed,
Test specimen 52 is mounted between fixture upper plate and fixture lower plate, and fixation hole, the test specimen 52 of fixture upper plate are sequentially passed through by straight pin 51
It is positioned with the fixation hole of fixture lower plate, while the locking of test specimen 52 is realized by tightening for screw 54, thus constitutes test specimen
52 clamping structure.It is laid out using tile arrangement, helps mutually to be compatible with other commercialized material property characterization instrument and equipments；
The fixture fixing device of designed, designed is used simultaneously, and the size of fixture can be replaced according to the size of test test specimen 52, so that clamping
More rationally, experimental result is more accurate.
Fixture fixing device further includes having clamp supporting plate and fixture fixed pin 2, and the quantity of clamp supporting plate is at least two
A, two clamp supporting plates are set to the lower section of two orthogonal fixture lower plates, are provided on clamp supporting plate multiple solid
Determine hole, fixture fixed pin 2 is fixed clamp supporting plate and fixture lower plate by the fixation hole on fixture lower plate and clamp supporting plate,
Clamp supporting plate is fixedly installed on pedestal 1.Preferably, the fixture upper plate component in fixture fixing device and fixture lower plate component
And clamp supporting plate is connected through a screw thread and is mounted on above pedestal 1, therefore convenient disassembly, interchangeability is good.It is provided with below pedestal 1
Pedestal support column 11 is used to support pedestal 1.
As shown in figure 5, stretching device include driving unit, big spur bevel gear 38 and with big spur bevel gear 38
It is intermeshed small spur bevel gear a37, small spur bevel gear b39, small spur bevel gear c40 and the small straight-tooth circle of setting
Bevel gear d41, small spur bevel gear a37 and small spur bevel gear c40 is arranged in parallel, small spur bevel gear
B39, small spur bevel gear d41 are arranged in parallel, and small spur bevel gear a37 respectively with small spur bevel gear b39,
Small spur bevel gear d41 is mutually perpendicular to；Small spur bevel gear a37, small spur bevel gear b39, small spur bevel gear
C40, small spur bevel gear d41 are accordingly separately connected with lead screw a7, lead screw b15, lead screw c23, lead screw d31, lead screw a7, silk
Thick stick b15, lead screw c23, lead screw d31 are again respectively correspondingly and under fixture lower plate a3, fixture lower plate b18, fixture lower plate c20, fixture
Plate d34 is connected, for driving fixture lower plate a3, fixture lower plate b18, fixture lower plate c20, fixture lower plate d34 along direction
Axial movement, to realize to the force on 52 4 axial directions of test specimen.
Further, lead screw a7, lead screw b15, lead screw c23, be correspondingly arranged that there are four lead on lead screw d31 same axial direction
Rail：Guide rail a8, guide rail b17, guide rail c22, guide rail d33, it is ensured that guide screw movement direction.
Displacement detector includes fixed plate, displacement sensor, displacement sensor support and support plate, fixed plate and branch
Fagging is fixed on pedestal 1, and one end of screw rod is fixedly installed in fixed plate, and the other end of lead screw passes through under support plate and fixture
Plate is connected with each other, and support plate is slidably connected with lead screw；One end of displacement sensor support is fixed in fixed plate, and the other end is fixed
On the supporting plate, displacement sensor is fixed on displacement sensor support, and displacement sensor is connected with corresponding fixture lower plate
It connects, for incuding displacement of the fixture lower plate on the axis of screw rod direction.The quantity of displacement detector is four, displacement
Sensor support base a13, displacement sensor support b26, displacement sensor support c57 and displacement sensor support d58 respectively with position
Displacement sensor a14, displacement sensor b24, displacement sensor c55 are connected with displacement sensor d56, displacement sensor support a13,
Displacement sensor support b26, displacement sensor support c57 and displacement sensor support d58 are fixed on pedestal 1, are carried out to survey
Have a try part 52 by the displacement of biaxial stretch-formed stress record.
Acting force detection apparatus includes force sensor, and force snesor is used between support plate and clamp supporting plate
And it is fixedly mounted with support plate, and force snesor is connected with clamp supporting plate, for detecting power suffered by test specimen 52
Magnitude of load.Force snesor includes force sensor a4 and force snesor b29, and force snesor a4 is mounted on force snesor support plate
On a6, force snesor b29 is mounted on force snesor support plate b32, sensor support plate a6 and force snesor support plate b32
It is fixed on pedestal 1, clamp supporting plate includes clamp supporting plate a9 and clamp supporting plate b28, force snesor a4 and fixture branch
Fagging a9 is connected, and force snesor b29 is connected with clamp supporting plate b28, is measured by force snesor a4 to clamp supporting plate
The size and force snesor b29 of the extruding force of a9 complete to measured material test specimen the size of the extruding force of clamp supporting plate b28
The record of magnitude of load suffered by 52.
Support plate includes force sensor support plate a6, force snesor support plate b32, displacement sensor support plate a12, position
Displacement sensor support plate b21.Lead screw a7, lead screw b15, lead screw c23, lead screw d31 again respectively with force snesor support plate a6, power
Sensor support plate b32, displacement sensor support plate a12, displacement sensor support plate b21 be connected, while again by fixed plate a5,
Fixed plate b16, fixed plate c25, fixed plate d30 are fixed, to realize feed motion.
Driving unit can be motor 42, drive big spur bevel gear 38 to drive bottom four small straight by motor 42
The rotation of tooth conical gear, four small spur bevel gears are connected with corresponding two-way screw pair realizes semi-static load,
Simultaneous displacement sensor and force snesor respectively record displacement and load, by the analysis to sensing data, obtain
The micro mechanical property in situ of tested material test specimen 52.One big straight bevel tooth is driven using simple and feasible motor 42
Wheel 38 drives four small spur bevel gear rotation, without the energy loss of lengthy and jumbled transmission link, keeps integral layout more reasonable,
The accuracy of stable drive, transmission efficiency and stress database is improved.So that provided by the utility model biaxial stretch-formed
Mechanical property tester device has many advantages, such as that compact-sized, synchronism is good, energy consumption is small, test scope is wide.
As shown in fig. 6, biaxial stretch-formed mechanics performance testing apparatus further includes having heating mechanism, heating mechanism is solid positioned at fixture
Determine below device, for being heated to test specimen 52；Heating mechanism includes warm table 36 and warm table support plate 53, warm table
36 are removably attached in warm table support plate 53, and warm table support plate 53 is fixed on pedestal 1.Dismountable warm table 36
The test specimen 52 of material can be required to test different temperatures, increase the application range of test equipment.
As shown in figs. 7 to 9, biaxial stretch-formed mechanics performance testing apparatus further includes having the standardization production instrument of test specimen 52,
Test specimen 52 is standardized for making.The standardization of test specimen 52 standardizes production instrument by test specimen 52 and realizes, controls material shape pair
It is influenced caused by test.
Specifically, the standardization of test specimen 52 production instrument includes the upper die holder 48 and lower die holder 50 being arranged along the vertical direction,
Upper die holder 48 and lower die holder 50 pass through 51 stationary positioned of straight pin；Stock supporting plate 49 is provided on lower die holder 50, for placing wait locate
The test specimen 52 of reason；Be provided with die shank 43, punch retainer 44 and material fixed plate 47 on upper die holder 48, punch retainer 44 with
Upper die holder 48 is connected, and die shank 43 is connected with punch retainer 44, and passes through the fixation hole on upper die holder 48, and die shank 43 is for controlling
Punch retainer 44 processed moves along the vertical direction, is connect by spring 45 with material fixed plate 47 below punch retainer 44, convex
The side of mould fixed plate 44 towards lower die holder 50 is provided with cutter 46, under the setting position of cutter 46 and fixture upper plate and fixture
The position setting of fixation hole on plate is consistent.When in use, test specimen 52 is placed on stock supporting plate 49, presses die shank 43, so that convex
Mould fixed plate 44 and material fixed plate 47 are mobile to 52 direction of test specimen, and material fixed plate 47 fixes test specimen 52, while cutter 46
Standardized fixation hole, which is cut, to be realized to test specimen 52.
Further, biaxial stretch-formed mechanics performance testing apparatus provided by the utility model realizes each section by screw thread
It is connected and fixed, easy for installation, interchangeability is high.
Original position micro mechanical property test equipment provided by the utility model comprising have in-situ observation instrument and institute as above
The biaxial stretch-formed mechanics performance testing apparatus stated.In-situ observation instrument may include having Raman spectrometer, XRD, the super depth of field micro-
Mirror or optical microscopy etc..
In conclusion by test specimen to be tested when biaxial stretch-formed mechanics performance testing apparatus provided by the utility model uses
52 are put into fixation between fixture upper plate component and fixture lower plate component, and tensile stress preloads, and drive big straight-tooth by motor 42
Conical gear 38 drives the four small spur bevel gear rotation in bottom, four small spur bevel gears and corresponding two-way lead screw
Semi-static load is realized in pair of nut connection；Simultaneous displacement sensor and force snesor respectively record displacement and load, lead to
The analysis to sensing data is crossed, obtains the micro mechanical property in situ of tested material；The standardization of test specimen 52 is by test specimen 52
Standardization production instrument realizes that control material shape is influenced caused by test；Compact overall structure, it is small in size can be with Raman
Spectrometer, XRD, super depth-of-field microscope or optical microscopy combine, realize differentiation to the microscopic damage of tested material into
Row monitoring in situ, provides reference for the failure mechanism of research material；The utility model is with compact-sized, synchronism is good, energy
The advantages that small, test scope is wide is consumed, fixture fixing device can be replaced according to the size adjusting of test test specimen 52；Fixture fixing device
It is laid out using tile arrangement, helps mutually to be compatible with other commercialized material property characterization instrument and equipments；Meanwhile removably
Test specimen 52 warm table 36 can require different temperatures again under carries out Evaluation of Mechanical, breaches the limitation of test scope
Property.
Original position micro mechanical property test equipment provided by the utility model comprising have in-situ observation instrument and institute as above
The biaxial stretch-formed mechanics performance testing apparatus stated.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand：It is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of biaxial stretch-formed mechanics performance testing apparatus, which is characterized in that the biaxial stretch-formed mechanics performance testing apparatus packet
Fixture fixing device, stretching device, acting force detection apparatus and the displacement detector for including pedestal and being set on pedestal；
The fixture fixing device for fixing test specimen to be tested, the fixture fixing device include fixture upper plate component and
Fixture lower plate component, test specimen are placed between the fixture upper plate component and fixture lower plate component, the fixture lower plate component packet
The first fixture lower plate component being arranged in a mutually vertical manner and the second fixture lower plate component are included, the first fixture lower plate component includes phase
Mutual fixture lower plate a disposed in parallel and fixture lower plate b, the second fixture lower plate component includes fixture lower plate arranged in parallel
C and fixture lower plate d, the fixture upper plate component includes fixture upper plate
A, fixture upper plate b, fixture upper plate c, fixture upper plate d, the fixture upper plate a is located above fixture lower plate a, on the fixture
Plate b is located above fixture lower plate b, and the fixture upper plate c is located above fixture lower plate c, and the fixture upper plate d is located at fixture lower plate
Above d, clamping is carried out to test specimen；
The quantity of the stretching device be four, the stretching device respectively with fixture lower plate a, fixture lower plate b, fixture lower plate c,
Fixture lower plate d is connected, for applying pulling force and pressure in orthogonal both direction to test specimen；
Institute's displacement sensing device quantity be four, institute's displacement sensing device respectively with fixture lower plate a, fixture lower plate b, fixture
Lower plate c, fixture lower plate d are connected, for measuring to displacement of the test specimen on four direction；
The quantity at least two of the acting force detection apparatus, two acting force detection apparatus respectively with it is orthogonal
Two fixture lower plates are connected, for test specimen, suffered active force to be measured in two mutually orthogonal directions.
2. biaxial stretch-formed mechanics performance testing apparatus according to claim 1, which is characterized in that the fixture upper plate and folder
Multiple fixation holes are provided in tool lower plate, the fixture fixing device further includes having straight pin and screw, and test specimen is mounted on folder
Have between upper plate component and fixture lower plate component, straight pin sequentially passes through the fixation hole of fixture upper plate, test specimen and fixture lower plate
Fixation hole plays positioning action, and the screw will sequentially pass through the fixation hole of fixture upper plate, the fixation hole of test specimen and fixture lower plate
Tighten the fixation to realize test specimen.
3. biaxial stretch-formed mechanics performance testing apparatus according to claim 2, which is characterized in that the fixture fixing device
It further include having clamp supporting plate and fixture fixed pin, the quantity at least two of the clamp supporting plate, two fixture branch
Fagging is set to the lower section of two orthogonal fixture lower plates, and multiple fixation holes are provided on the clamp supporting plate, described
Fixture fixed pin is fixed the clamp supporting plate and fixture lower plate by the fixation hole on fixture lower plate and clamp supporting plate, institute
Clamp supporting plate is stated to be fixedly installed on the pedestal.
4. biaxial stretch-formed mechanics performance testing apparatus according to claim 3, which is characterized in that the stretching device includes
Have driving unit, big spur bevel gear and with the small spur bevel gear a of the big spur bevel gear intermeshing setting,
Small spur bevel gear b, small spur bevel gear c and small spur bevel gear d, the small spur bevel gear a and small straight-tooth
Conical gear c is arranged in parallel, and the small spur bevel gear b, small spur bevel gear d are arranged in parallel and described
Small spur bevel gear a is mutually perpendicular to small spur bevel gear b, small spur bevel gear d respectively；
The small spur bevel gear a, small spur bevel gear b, small spur bevel gear c, small spur bevel gear d are accordingly
Be separately connected with lead screw a, lead screw b, lead screw c, lead screw d, the lead screw a, lead screw b, lead screw c, lead screw d again respectively correspondingly with folder
Tool lower plate a, fixture lower plate b, fixture lower plate c, fixture lower plate d are connected, for drive the fixture lower plate a, fixture lower plate b,
Fixture lower plate c, fixture lower plate d are moved axially along direction, to realize to the force on four axial directions of test specimen.
5. biaxial stretch-formed mechanics performance testing apparatus according to claim 4, which is characterized in that institute's displacement sensing device
It include fixed plate, displacement sensor, displacement sensor support and support plate, the fixed plate and support plate are fixed on the bottom
On seat, one end of screw rod is fixedly installed in the fixed plate, and the other end of lead screw passes through the support plate and fixture lower plate phase
It connects, the support plate is slidably connected with lead screw；
One end of institute's displacement sensors support is fixed in the fixed plate, and the other end is fixed in the support plate, described
Displacement sensor is fixed on institute's displacement sensors support, and institute's displacement sensors are connected with corresponding fixture lower plate,
For incuding displacement of the fixture lower plate on the axis of the screw rod direction.
6. biaxial stretch-formed mechanics performance testing apparatus according to claim 5, which is characterized in that the active force detection dress
Set including force sensor, the force snesor between the support plate and clamp supporting plate, be used for and with the branch
Fagging is fixedly mounted, and the force snesor is connected with the clamp supporting plate, for detecting the load of power suffered by test specimen
Lotus size.
7. biaxial stretch-formed mechanics performance testing apparatus according to claim 1, which is characterized in that the biaxial stretch-formed mechanics
Performance testing apparatus further includes having heating mechanism, and the heating mechanism is located at below the fixture fixing device, for described
Test specimen is heated；
The heating mechanism includes warm table and warm table support plate, and the warm table is removably attached to the warm table
In support plate, the warm table support plate is fixed on the pedestal.
8. biaxial stretch-formed mechanics performance testing apparatus according to claim 2, which is characterized in that the biaxial stretch-formed mechanics
Performance testing apparatus further includes having test specimen standardization production instrument, for making standardization test specimen.
9. biaxial stretch-formed mechanics performance testing apparatus according to claim 8, which is characterized in that the test specimen standardization system
It include that the upper die holder and lower die holder being arranged along the vertical direction, the upper die holder and lower die holder are fixed fixed by straight pin as instrument
Position；
It is provided with stock supporting plate on the lower die holder, for placing test specimen to be processed；
Die shank, punch retainer and material fixed plate are provided on the upper die holder, the punch retainer is connected with upper die holder,
The die shank is connected with punch retainer, and passes through the fixation hole on the upper die holder, and the die shank is for controlling the punch-pin
Fixed plate moves along the vertical direction, is connect by spring with material fixed plate below the punch retainer, the punch-pin is fixed
The side of plate towards the lower die holder is provided with cutter, the setting position of the cutter and consolidating on fixture upper plate and fixture lower plate
The position setting for determining hole is consistent.
10. a kind of original position micro mechanical property test equipment, which is characterized in that the original position micro mechanical property test equipment packet
In-situ observation instrument and biaxial stretch-formed mechanics performance testing apparatus as described in any one of claims 1-9 are included.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820443959.6U CN208109602U (en) | 2018-03-29 | 2018-03-29 | Biaxial stretch-formed mechanics performance testing apparatus and micro mechanical property test equipment in situ |
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|---|---|---|---|
| CN201820443959.6U CN208109602U (en) | 2018-03-29 | 2018-03-29 | Biaxial stretch-formed mechanics performance testing apparatus and micro mechanical property test equipment in situ |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267372A (en) * | 2018-03-29 | 2018-07-10 | 盐城工学院 | Biaxial stretch-formed mechanics performance testing apparatus and micro mechanical property test equipment in situ |
| CN109323931A (en) * | 2018-12-21 | 2019-02-12 | 清华大学 | High/low temperature multiaxis in-situ tensile test machine |
| CN109932247A (en) * | 2019-04-23 | 2019-06-25 | 四川大学华西医院 | A kind of detection device and method of Aortic Dissection blood vessel biomechanical property |
| CN111751217A (en) * | 2020-06-29 | 2020-10-09 | 西安建筑科技大学 | Horizontal concrete uniaxial tensile test device and use method thereof |
-
2018
- 2018-03-29 CN CN201820443959.6U patent/CN208109602U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267372A (en) * | 2018-03-29 | 2018-07-10 | 盐城工学院 | Biaxial stretch-formed mechanics performance testing apparatus and micro mechanical property test equipment in situ |
| CN109323931A (en) * | 2018-12-21 | 2019-02-12 | 清华大学 | High/low temperature multiaxis in-situ tensile test machine |
| CN109932247A (en) * | 2019-04-23 | 2019-06-25 | 四川大学华西医院 | A kind of detection device and method of Aortic Dissection blood vessel biomechanical property |
| CN109932247B (en) * | 2019-04-23 | 2023-09-19 | 四川大学华西医院 | Device and method for detecting biomechanical properties of aortic dissection lesion blood vessel |
| CN111751217A (en) * | 2020-06-29 | 2020-10-09 | 西安建筑科技大学 | Horizontal concrete uniaxial tensile test device and use method thereof |
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