CN105043871A - Unidirectional and bidirectional tensile test device for mesoscopic structure in-situ online observation - Google Patents
Unidirectional and bidirectional tensile test device for mesoscopic structure in-situ online observation Download PDFInfo
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- CN105043871A CN105043871A CN201510401825.9A CN201510401825A CN105043871A CN 105043871 A CN105043871 A CN 105043871A CN 201510401825 A CN201510401825 A CN 201510401825A CN 105043871 A CN105043871 A CN 105043871A
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Abstract
The invention provides a unidirectional and bidirectional tensile test device for mesoscopic structure in-situ online observation. The test device includes a rack, and a transverse tensile mechanism and a longitudinal tensile mechanism mounted on the rack. A transverse guide rail and a longitudinal guide rail are mounted on the rack. The transverse tensile mechanism is mounted on the transverse guide rail, and the longitudinal tensile mechanism is mounted on the longitudinal guide rail. A single-shaft or double-shaft specimen is mounted on the test device through a clamping mechanism, single-shaft or double-shaft tensile test can be realized, and in the tensile process, in-situ observation of the mesoscopic structure can be realized through a metallographic observation platform. Compared with the prior art, the test device provided by the invention has the advantages of strong versatility, small volume, simple and compact structure, simple and flexible operation, and no noise pollution, etc.
Description
Technical field
The present invention relates to mechanical testing equipment, especially relate to for the single-direction and dual-direction tensile test apparatus seeing tissue in situ online observation that is situated between, can be used for metal and see the original position online observation of tissue with nonmetallic materials are unidirectional with Jie of material in biaxial orientation process.
Background technology
Along with the development of the modern industry technology, the demand of field to miniature parts and product such as MEMS (micro electro mechanical system) (MEMS), Aero-Space, medical treatment, telecommunications, textile printing and dyeing and Proton Exchange Membrane Fuel Cells (PEMFC) automobile that is fuel with pure hydrogen increases greatly.But, adopt the miniature parts that traditional Micrometer-Nanometer Processing Technology (as ultraprecise machining, deep reactive ion etch, LIGA and LIGA-like technology etc.) manufactures, due to manufacturing cost high and manufacture efficiency low, its widespread use is subject to great restriction.And as the succession of traditional plastic forming technique and micro-(be situated between and see) plastic forming technology of extension, due to have high-level efficiency, low-costly and in high volume, high precision, highly dense, short period, some distinctive advantages such as pollution-free, clean shaping, the part produced has the features such as high strength, high precision, high-quality, and has become the new focus of research field and industry.The heterogeneity of material structure non-uniform Distribution and microdeformation thereof under meso-scale, makes original material macro-mechanical property change.Especially be situated between and see the heterogeneous metal material under being shaped, due to the existence of soft, hard microstructure, the heterogeneity of its microstructure is further obvious.Therefore, heterogeneous metal material is seen in plastic forming process Jie, and how soft, the hard phase constitution of microcosmic inhomogeneous deformation occurs, and how to have an impact to macroscopic deformation field, thus instruct meso-scale lower thin sheet plastic forming process, be one of key removing the application of restriction microsecond delay technology.
China Patent Publication No. is that under CN102346117A describes a kind of scanning electron microscope, microradian class precision original position reverses material mechanical performance proving installation, and this patent, mainly for the test of fiber-like sample, is applicable to rotating class part in-situ test; China Patent Publication No. is the full flexible three-translational series-parallel connection fine motion device that CN101413902 describes a kind of scanning electron microscope home position observation, and this patent mainly realizes without the object scanning electron microscope home position observation under loading environment; China Patent Publication No. CN102033003A describes a kind of thin plate dynamic tensile test method based on home position observation), this patent mainly carries out the home position observation of macroscopical Geometrical change for thin plate dynamic tensile experiment; China Patent Publication No. is that CN102103148A describes a kind of metal material stress corrosion fracture scanning electron microscope home position observation sample bench), this patent is mainly for metal material stress corrosion fracture home position observation.And report is had no for the single-direction and dual-direction tensile test apparatus seeing tissue in situ online observation that is situated between.
Summary of the invention
Object of the present invention, exactly in order to solve the defect that above-mentioned prior art exists, provides a kind of Jie to see the simple and easy single-direction and dual-direction tensile test apparatus of tissue in situ online observation.Moved by two ends or four end clamp systems simultaneously and realize the visual field original position feature in maximum distortion district, obtain macro-mechanical property parameter under corresponding deformation condition by force snesor simultaneously.
Object of the present invention, is achieved through the following technical solutions: a kind ofly comprise frame for the single-direction and dual-direction tensile test apparatus seeing tissue in situ online observation that is situated between, and rack-mounted cross directional stretch mechanism and longitudinal stretching mechanism;
Described frame comprises a crux base plate, and crux base plate is provided with cross slide way and longitudinal rail;
Described cross directional stretch mechanism is arranged on cross slide way, and described longitudinal stretching mechanism is arranged on longitudinal rail, can realize original position online observation that is horizontal, longitudinal or laterally longitudinal biaxial orientation process intermediary sight tissue.
Described cross directional stretch mechanism mainly comprises grip block and cross directional stretch force snesor on grip block under cross directional stretch leading screw, cross directional stretch servomotor, cross directional stretch slide block, cross directional stretch, cross directional stretch; Cross directional stretch leading screw is located in frame by two bearing transverse strands, cross directional stretch servomotor is arranged on the left of frame and is connected with cross directional stretch lead screw transmission by shaft joint, cross directional stretch slider frame to be located on cross slide way and to be connected with cross directional stretch lead screw transmission, under cross directional stretch, grip block is connected on cross directional stretch slide block, on cross directional stretch, grip block to be connected under cross directional stretch on grip block, lateral tensile force sensor setting is at the right-hand member of cross directional stretch leading screw, its the inner is connected with grip block under cross directional stretch, and outer end is connected with cross directional stretch slide block.
Described longitudinal stretching mechanism mainly comprises grip block and longitudinal stretching force snesor on grip block under longitudinal stretching leading screw, longitudinal stretching servomotor, longitudinal stretching slide block, longitudinal stretching, longitudinal stretching; Longitudinal stretching leading screw is longitudinally erected in frame by two bearings, longitudinal stretching servomotor is arranged on the front of frame and is connected with longitudinal stretching lead screw transmission by shaft joint, longitudinal stretching slider frame to be located on longitudinal rail and to be connected with longitudinal stretching lead screw transmission, under longitudinal stretching, grip block is connected on longitudinal stretching slide block, on longitudinal stretching, grip block to be connected under longitudinal stretching on grip block, longitudinal stretching force sensor setting is in the rear end of longitudinal stretching leading screw, its the inner is connected with grip block under longitudinal stretching, and outer end is connected with longitudinal stretching slide block.
Described cross directional stretch slide block comprises motor side cross directional stretch slide block and sensor side cross directional stretch slide block, under cross directional stretch, grip block to comprise under motor side cross directional stretch grip block under grip block and sensor side cross directional stretch, on cross directional stretch, grip block to comprise on motor side cross directional stretch grip block on grip block and sensor side cross directional stretch, sensor side cross directional stretch slide block is provided with guide rail, and under described sensor side cross directional stretch, grip block is slidably connected on above-mentioned guide rail.
Described longitudinal stretching slide block comprises motor side longitudinal stretching slide block and sensor side longitudinal stretching slide block, under longitudinal stretching, grip block to comprise under motor side longitudinal stretching grip block under grip block and sensor side longitudinal stretching, on longitudinal stretching, grip block to comprise on motor side longitudinal stretching grip block on grip block and sensor side longitudinal stretching, sensor side longitudinal stretching slide block is provided with guide rail, and under described sensor side longitudinal stretching, grip block is slidably connected on above-mentioned guide rail.
Described cross directional stretch slide block is substantially identical with the structure of longitudinal stretching slide block, comprise top board, bottom is provided with two for being sleeved on the dovetail groove in respective track, middle part is provided with a threaded hole for being connected with corresponding stretching lead screw transmission, and top board is provided with multiple threaded hole for being connected with corresponding lower grip block; Unlike, the top board of motor side longitudinal stretching slide block and motor side cross directional stretch slide block is longer than by the top board of described sensor side longitudinal stretching slide block and sensor side cross directional stretch slide block, is provided with the threaded hole for being connected with respective sensor at prolongation.
Under described motor side cross directional stretch, grip block is identical with grip block structure under motor side longitudinal stretching, and its one end is provided with multiple threaded hole be connected with phase strain stretch slide block, and the other end is provided with the threaded hole that multiple and corresponding upper grip block is connected.
Under described sensor side cross directional stretch, grip block is identical with grip block structure under sensor side longitudinal stretching, its underpart is provided with two dovetail grooves on the guide rail being sleeved on phase strain stretch slide block, its one end is provided with a threaded hole be connected with respective sensor, and the other end is provided with the threaded hole that multiple and corresponding upper grip block is connected.
On described cross directional stretch, grip block is identical with grip block structure on longitudinal stretching, and its both sides are respectively equipped with multiple threaded hole for being connected with corresponding lower grip block, and centre is provided with anti-skidding rough surface.
Compared with prior art, the present invention utilizes the rotation of two Serve Motor Control, two leading screws, can drive four clamp systems at the uniform velocity move toward one another simultaneously, and then realizes the synchronized and not synchronized stretching of twin shaft of twin shaft, and makes sample deformation district keep home state.DC servo motor can realize electrodeless variable-speed, is conducive to material deformation at different rates.In addition, structure of the present invention is simple, and volume is little, and be convenient to mobile, noiselessness pollutes.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present invention;
Fig. 2 is the structural representation of the frame in the present invention;
Fig. 3 is the structural representation of the stretching slide block in the present invention;
Fig. 4 is the structural representation of grip block under the motor side in the present invention;
Fig. 5, Fig. 6 are the structural representations of grip block under the sensor side in the present invention;
Fig. 7 is the structural representation of the upper grip block in the present invention.
Embodiment
Below in conjunction with example, device of the present invention is further described: the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Fig. 1 ~ 7, the present invention sees the single-direction and dual-direction tensile test apparatus of tissue in situ online observation for being situated between, comprise frame 1, and rack-mounted cross directional stretch mechanism 2 and longitudinal stretching mechanism 3.
See Fig. 2, the frame 1 in the present invention comprises a crux base plate, and crux base plate is provided with cross slide way 11 and longitudinal rail 12; Cross slide way 11 and longitudinal rail 12 are all double track, and are orthogonally disposed on the same plane, and wherein separated in cross slide way 11, longitudinal rail 12 does not disconnect.
Continue see Fig. 1, cross directional stretch mechanism 2 in the present invention is arranged on cross slide way 11, mainly comprise grip block 25, cross directional stretch force snesor 26, sensor side cross directional stretch slide block 27 on grip block 24 under cross directional stretch leading screw 21, cross directional stretch servomotor 22, motor side cross directional stretch slide block 23, motor side cross directional stretch, motor side cross directional stretch, grip block 28 under sensor side cross directional stretch, grip block 29 on sensor side cross directional stretch.Cross directional stretch leading screw 21 is located in frame by two bearing 211 transverse strands, cross directional stretch servomotor 22 is arranged on the left of frame and is connected with cross directional stretch lead screw transmission by shaft joint 221, motor side cross directional stretch slide block 23 to be erected on cross slide way 11 and to be connected with cross directional stretch leading screw 21 transmission, under motor side cross directional stretch, grip block 24 is connected on motor side cross directional stretch slide block 23, and on motor side cross directional stretch, grip block 25 to be connected under motor side cross directional stretch on grip block 24.Cross directional stretch force snesor 26 is arranged on the right-hand member of cross directional stretch leading screw 21, sensor side cross directional stretch slide block 27 to be erected on cross slide way 11 and to be connected with cross directional stretch leading screw 21 transmission, under sensor side cross directional stretch, grip block 28 is connected on sensor side cross directional stretch slide block 27, and on sensor side cross directional stretch, grip block 29 to be connected under sensor side cross directional stretch on grip block 28.Sensor side cross directional stretch slide block 27 is provided with guide rail 271, and under sensor side cross directional stretch, grip block 28 is slidably connected on above-mentioned guide rail, and its inner is connected with grip block 28 under sensor side cross directional stretch, and outer end is connected with sensor side cross directional stretch slide block 27.
Continue see Fig. 1, longitudinal stretching mechanism 3 in the present invention is arranged on longitudinal rail 12, mainly comprise grip block 35, longitudinal stretching force snesor 36, sensor side longitudinal stretching slide block 37 on grip block 34 under longitudinal stretching leading screw 31, longitudinal stretching servomotor 32, motor side longitudinal stretching slide block 33, motor side longitudinal stretching, motor side longitudinal stretching, grip block 38 under sensor side longitudinal stretching, grip block 39 on sensor side longitudinal stretching.Longitudinal stretching leading screw 31 is longitudinally erected in frame by two bearings 311, longitudinal stretching servomotor 32 is arranged on the front of frame and is connected with longitudinal stretching lead screw transmission by shaft joint 321, motor side longitudinal stretching slide block 33 to be erected on longitudinal rail 12 and to be connected with longitudinal stretching leading screw 31 transmission, under motor side longitudinal stretching, grip block 34 is connected on motor side longitudinal stretching slide block 33, and on motor side longitudinal stretching, grip block 35 to be connected under motor side longitudinal stretching on grip block 34.Longitudinal stretching force snesor 36 is arranged on the rear end of longitudinal stretching leading screw 31, sensor side longitudinal stretching slide block 37 to be erected on longitudinal rail 12 and to be connected with longitudinal stretching leading screw 31 transmission, under sensor side longitudinal stretching, grip block 38 is connected on sensor side longitudinal stretching slide block 37, and on sensor side longitudinal stretching, grip block 39 to be connected under sensor side longitudinal stretching on grip block 38.Sensor side longitudinal stretching slide block 37 is provided with guide rail 371, and under sensor side longitudinal stretching, grip block 38 is slidably connected on above-mentioned guide rail, and its inner is connected with grip block 38 under sensor side longitudinal stretching, and outer end is connected with sensor side longitudinal stretching slide block 37.
See Fig. 3, the cross directional stretch slide block in the present invention is substantially identical with the structure of longitudinal stretching slide block.For motor side cross directional stretch slide block 23, comprise top board 231, bottom is provided with two for being sleeved on the dovetail groove 232 in respective track, middle part is provided with a threaded hole 233 for being connected with corresponding stretching lead screw transmission, and top board is provided with multiple threaded hole 234 for being connected with corresponding lower grip block.Unlike, the top board of motor side longitudinal stretching slide block and motor side cross directional stretch slide block is longer than by the top board of sensor side longitudinal stretching slide block and sensor side cross directional stretch slide block, is provided with the threaded hole for being connected with respective sensor at prolongation.
See Fig. 4, under motor side cross directional stretch in the present invention, grip block is identical with grip block structure under motor side longitudinal stretching, for grip block 24 under motor side cross directional stretch, its one end is provided with multiple threaded hole 241 be connected with phase strain stretch slide block, and the other end is provided with the threaded hole 242 that multiple and corresponding upper grip block is connected.
See Fig. 5, Fig. 6, under sensor side cross directional stretch in the present invention, grip block is identical with grip block structure under sensor side longitudinal stretching, for grip block 28 under sensor side cross directional stretch, its underpart is provided with two dovetail grooves 281 on the guide rail being sleeved on phase strain stretch slide block, its one end is provided with a threaded hole be connected with respective sensor 282, and the other end is provided with the threaded hole 283 that multiple and corresponding upper grip block is connected.
See Fig. 7, on cross directional stretch in the present invention, grip block is identical with grip block structure on longitudinal stretching, for grip block 25 on motor side cross directional stretch, its both sides are respectively equipped with multiple threaded hole 251 for being connected with corresponding lower grip block, and centre is provided with anti-skidding rough surface 252.
Claims (9)
1., for the single-direction and dual-direction tensile test apparatus seeing tissue in situ online observation that is situated between, it is characterized in that, comprise frame, and rack-mounted cross directional stretch mechanism and longitudinal stretching mechanism;
Described frame comprises a crux base plate, and crux base plate is provided with cross slide way and longitudinal rail;
Described cross directional stretch mechanism is arranged on cross slide way, and described longitudinal stretching mechanism is arranged on longitudinal rail, can realize original position online observation that is horizontal, longitudinal or laterally longitudinal biaxial orientation process intermediary sight tissue.
2. according to claim 1 for the single-direction and dual-direction tensile test apparatus seeing tissue in situ online observation that is situated between, it is characterized in that, described cross directional stretch mechanism mainly comprises grip block and cross directional stretch force snesor on grip block under cross directional stretch leading screw, cross directional stretch servomotor, cross directional stretch slide block, cross directional stretch, cross directional stretch; Cross directional stretch leading screw is located in frame by two bearing transverse strands, cross directional stretch servomotor is arranged on the left of frame and is connected with cross directional stretch lead screw transmission by shaft joint, cross directional stretch slider frame to be located on cross slide way and to be connected with cross directional stretch lead screw transmission, under cross directional stretch, grip block is connected on cross directional stretch slide block, on cross directional stretch, grip block to be connected under cross directional stretch on grip block, lateral tensile force sensor setting is at the right-hand member of cross directional stretch leading screw, its the inner is connected with grip block under cross directional stretch, and outer end is connected with cross directional stretch slide block.
3. according to claim 1 for the single-direction and dual-direction tensile test apparatus seeing tissue in situ online observation that is situated between, it is characterized in that, described longitudinal stretching mechanism mainly comprises grip block and longitudinal stretching force snesor on grip block under longitudinal stretching leading screw, longitudinal stretching servomotor, longitudinal stretching slide block, longitudinal stretching, longitudinal stretching; Longitudinal stretching leading screw is longitudinally erected in frame by two bearings, longitudinal stretching servomotor is arranged on the front of frame and is connected with longitudinal stretching lead screw transmission by shaft joint, longitudinal stretching slider frame to be located on longitudinal rail and to be connected with longitudinal stretching lead screw transmission, under longitudinal stretching, grip block is connected on longitudinal stretching slide block, on longitudinal stretching, grip block to be connected under longitudinal stretching on grip block, longitudinal stretching force sensor setting is in the rear end of longitudinal stretching leading screw, its the inner is connected with grip block under longitudinal stretching, and outer end is connected with longitudinal stretching slide block.
4. according to claim 2 for the single-direction and dual-direction tensile test apparatus seeing tissue in situ online observation that is situated between, it is characterized in that, described cross directional stretch slide block comprises motor side cross directional stretch slide block and sensor side cross directional stretch slide block, under cross directional stretch, grip block to comprise under motor side cross directional stretch grip block under grip block and sensor side cross directional stretch, on cross directional stretch, grip block to comprise on motor side cross directional stretch grip block on grip block and sensor side cross directional stretch, sensor side cross directional stretch slide block is provided with guide rail, under described sensor side cross directional stretch, grip block is slidably connected on above-mentioned guide rail.
5. according to claim 3 for the single-direction and dual-direction tensile test apparatus seeing tissue in situ online observation that is situated between, it is characterized in that, described longitudinal stretching slide block comprises motor side longitudinal stretching slide block and sensor side longitudinal stretching slide block, under longitudinal stretching, grip block to comprise under motor side longitudinal stretching grip block under grip block and sensor side longitudinal stretching, on longitudinal stretching, grip block to comprise on motor side longitudinal stretching grip block on grip block and sensor side longitudinal stretching, sensor side longitudinal stretching slide block is provided with guide rail, under described sensor side longitudinal stretching, grip block is slidably connected on above-mentioned guide rail.
6. the single-direction and dual-direction tensile test apparatus for the sight tissue in situ online observation that is situated between according to Claims 2 or 3, it is characterized in that, described cross directional stretch slide block is substantially identical with the structure of longitudinal stretching slide block, comprise top board, bottom is provided with two for being sleeved on the dovetail groove in respective track, middle part is provided with a threaded hole for being connected with corresponding stretching lead screw transmission, and top board is provided with multiple threaded hole for being connected with corresponding lower grip block; Unlike, the top board of motor side longitudinal stretching slide block and motor side cross directional stretch slide block is longer than by the top board of described sensor side longitudinal stretching slide block and sensor side cross directional stretch slide block, is provided with the threaded hole for being connected with respective sensor at prolongation.
7. the single-direction and dual-direction tensile test apparatus for the sight tissue in situ online observation that is situated between according to Claims 2 or 3, it is characterized in that, under described motor side cross directional stretch, grip block is identical with grip block structure under motor side longitudinal stretching, its one end is provided with multiple threaded hole be connected with phase strain stretch slide block, and the other end is provided with the threaded hole that multiple and corresponding upper grip block is connected.
8. the single-direction and dual-direction tensile test apparatus for the sight tissue in situ online observation that is situated between according to Claims 2 or 3, it is characterized in that, under described sensor side cross directional stretch, grip block is identical with grip block structure under sensor side longitudinal stretching, its underpart is provided with two dovetail grooves on the guide rail being sleeved on phase strain stretch slide block, its one end is provided with a threaded hole be connected with respective sensor, and the other end is provided with the threaded hole that multiple and corresponding upper grip block is connected.
9. the single-direction and dual-direction tensile test apparatus for the sight tissue in situ online observation that is situated between according to Claims 2 or 3, it is characterized in that, on described cross directional stretch, grip block is identical with grip block structure on longitudinal stretching, its both sides are respectively equipped with multiple threaded hole for being connected with corresponding lower grip block, and centre is provided with anti-skidding rough surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401825.9A CN105043871A (en) | 2015-07-09 | 2015-07-09 | Unidirectional and bidirectional tensile test device for mesoscopic structure in-situ online observation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401825.9A CN105043871A (en) | 2015-07-09 | 2015-07-09 | Unidirectional and bidirectional tensile test device for mesoscopic structure in-situ online observation |
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| CN105043871A true CN105043871A (en) | 2015-11-11 |
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| CN201510401825.9A Pending CN105043871A (en) | 2015-07-09 | 2015-07-09 | Unidirectional and bidirectional tensile test device for mesoscopic structure in-situ online observation |
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Cited By (3)
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| CN105479723A (en) * | 2016-01-07 | 2016-04-13 | 苏州芳磊蜂窝复合材料有限公司 | Drawing forming device for honeycomb material |
| CN109323931A (en) * | 2018-12-21 | 2019-02-12 | 清华大学 | High/low temperature multiaxis in-situ tensile test machine |
| CN112649285A (en) * | 2021-01-15 | 2021-04-13 | 山东大学 | Bidirectional tensile testing machine for producing geogrids |
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