CN106644686A - Synchronous online symmetric stretching device - Google Patents
Synchronous online symmetric stretching device Download PDFInfo
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- CN106644686A CN106644686A CN201610825555.9A CN201610825555A CN106644686A CN 106644686 A CN106644686 A CN 106644686A CN 201610825555 A CN201610825555 A CN 201610825555A CN 106644686 A CN106644686 A CN 106644686A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 3
- 210000001364 upper extremity Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000001069 Raman spectroscopy Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention provides a synchronous online symmetric stretching device. The synchronous online symmetric stretching device comprises a symmetric stretching mechanism, a transmission mechanism, a supporting frame and a programmable logic controller, wherein the symmetric stretching mechanism is mounted in the supporting frame, one end of the symmetric stretching mechanism is connected with the transmission mechanism, and the transmission mechanism is connected with the programmable logic controller. The symmetric stretching mechanism comprises two screw-nut pairs, sliders and press plates, the screw-nut pairs are mounted on one side in the supporting frame, each screw-nut pair comprises a screw with two threads opposite in screwing direction and two nuts fittingly in sleeving joint with the two threads, and the ends, on the same side, of the screws pass through the supporting frame to be positioned on the outer side thereof. The synchronous online symmetric stretching device can be disposed in a specific test instrument (such as an x-ray diffractometer and raman spectrometer) and is capable of achieving synchronous online symmetric stretching strictly so as to improve accuracy of detection results.
Description
Technical field
The invention belongs to the supporting stretcher technical field of macromolecular material performance test, and in particular to one kind is used for X
Synchronous online midplane extrusion device in the test equipments such as x ray diffractometer x, Raman spectrometer.
Background technology
By research material different scale ordered structure (crystallite dimension, platelet size, unit cell dimension, Molecular connectivity indices, nothing
Setting zone strand arrangement etc.) evolution under external force field, a certain dimensional structure of material and a certain macroscopic view of material can be set up
Corresponding relation between performance, can provide theoretical foundation for the processing technology and methods for using them of material.And existing conventional stretching
Machine is not only bulky, it is impossible to match somebody with somebody with the equipment (such as X-ray diffractometer, Raman spectrometer etc.) of test different scale ordered structure
The variation characteristic in on-line monitoring sample drawing process is shared (such as differentiation of the material crystal formation in drawing process, microscopic appearance
Change detection etc.), and it is uniaxial tension, if matching with the equipment of test different scale ordered structure, can go out
Test point position changes with drawing process in existing test process, and test point is unable to parking position accuracy, causes test result not accurate enough
True problem.Therefore generally using off-line checking method detected at present, but the method for offline inspection has following drawback again：1)
Inevitably there is stress relaxation in transfer process in sample, cause material structure to change after the stretch, it is impossible to true anti-
The corresponding relation reflected between a certain dimensional structure of material and a certain macro property of material；2) can not continuity detection material structure
Evolution process.Therefore research and develop it is a kind of there is midplane extrusion function, and small volume, can be placed in narrow operating spaces and can be with
The stretching device being connected with test equipment is very necessary.
The content of the invention
Present invention aims to the deficiencies in the prior art, there is provided a kind of online midplane extrusion device of synchronization, the drawing
Stretching device can be positioned in some testers (such as X-ray diffractometer, Raman spectrometer etc.), and can strictly realize synchronously existing
Line midplane extrusion, improves the accuracy of testing result.
The synchronous symmetrical online stretching device that the present invention is provided, it includes midplane extrusion mechanism, transmission mechanism, support frame
And programmable logic controller (PLC), in support frame, its one end is connected with transmission mechanism, transmission mechanism for midplane extrusion mechanism
It is connected with programmable logic controller (PLC).
In the symmetrical online stretching device of above-mentioned synchronization, the midplane extrusion mechanism is by screw pair, slide block and pressing plate group
Into screw pair is two, and the parallel side being mounted side by side in support frame, each screw pair has two by one
The leading screw and two nuts for matching with two sections of screw threads respectively and being socketed thereon of the contrary direction of rotation screw thread of section is constituted, leading screw homonymy
End be located at its outside through support frame, slide block is two, and each slide block is by two parallel interior spiral shells being provided with thereon
Hole matches be socketed on two thread segments of leading screw in midplane extrusion mechanism respectively, and respectively with fix positioned at two nuts in outside
Connection, pressing plate is two, and each pressing plate passes through respectively connector (such as trip bolt) activity, is symmetrically connected to two slide block homonymies
On outer surface.
In the symmetrical online stretching device of above-mentioned synchronization, the transmission mechanism is by motor, driving gear and two driven gears
Composition, motor is fixedly mounted on the lower half of opposite side in support frame, and makes its upper limb less than the center of drawing mechanism pressing plate
Position, its power transmission shaft is connected through support frame with the driving gear positioned at outside, and two driven gears are separately mounted to be located at
Two leading screw ends on the outside of support frame, and be intermeshed, one of driven gear is intermeshed with driving gear again.
In the symmetrical online stretching device of above-mentioned synchronization, the support frame is by three pieces of rectangular slabs and two rectangle batten groups
Into, leading screw parallel matched in one of rectangular slab and midplane extrusion mechanism, one end of another two pieces of rectangular slabs is respectively fixedly connected with
In its two ends, two rectangle battens are movably connected on the other end of another two pieces of rectangular slabs.
In the symmetrical online stretching device of above-mentioned synchronization, the programmable logic controller (PLC) is connected by wire with motor, with
By the relative moving speed between two slide blocks of motor control.
In the symmetrical online stretching device of above-mentioned synchronization, pad is additionally provided between pressing plate and slide block, the pad is socketed in
It is flexibly connected on the connector of pressing plate, and the compression spiral shell for being also provided with a screw and being located therein on pressing plate corresponding with pad middle part
Nail, by housing screw and compress gasket, can need test stretching swatched end be firmly clamped in pad and slide block it
Between.
In the symmetrical online stretching device of above-mentioned synchronization, it is additionally provided with and leading screw in the hole that leading screw is installed on the support frame
The bearing matched somebody with somebody.
In the symmetrical online stretching device of above-mentioned synchronization, in support frame one middle side part vertical with two leading screws one is also equipped with
Individual limit switch, the limit switch is connected by wire with programmable logic controller (PLC), and on the one hand controllable slide block operates in volume
Determine within stroke, be on the other hand also beneficial to protect motor.
In the symmetrical online stretching device of above-mentioned synchronization, the screw pair is preferably ball guide screw nat.
In the symmetrical online stretching device of above-mentioned synchronization, the motor is from stepper motor or servomotor.When selecting stepping
During motor, preferably it is equipped between stepper motor and driving gear and a decelerator is installed.
In the symmetrical online stretching device of above-mentioned synchronization, the programmable logic controller (PLC) should make relative between two slide blocks
Translational speed is adjustable controllable between 0.01～1000mm/min.
When using, the symmetrical online stretching device of above-mentioned synchronization is positioned over such as testers such as X-ray diffractometer, Raman spectrometers
In device, and guarantee that X-ray or laser and detection source are not blocked and can be irradiated in test sample.
Compared with prior art, the invention has the advantages that：
1. stretching device of the present invention can be directly placed in detecting instrument (such as X-ray diffractometer, Raman spectrometer)
Use, can reach company of the microstructure (such as material crystalline structure, appearance structure etc.) of on-line checking material in drawing process
The purpose of continuous evolution, it is to avoid the structure of sample changes in transfer process after sample is first stretched during offline inspection sample
The inaccurate problem of testing result brought.
2. stretching device of the present invention is provided with two intermeshing driven gears so that can using a motor
The screw synchronous that control two is attached thereto respectively are rotated, and both ensure that the drawing stability of test sample, and stretching is solved again
The asymmetric problem for making to observe point drift in drawing process, makes testing result more accurate.
3. the interaction of the pressing plate and pad that arrange in stretching device midplane extrusion mechanism of the present invention, can both make drawing
Sample can be clamped during stretching, be unlikely to slip, again will not pinch off sample, affect testing efficiency, while being also adapted to stretched
The characteristics of sample volume reduces in journey, it is ensured that what is stretched and detect is smoothed out.
4. stretching device of the present invention adopts programmable logic controller (PLC) electric by stepper motor or servo
Machine precise control leading screw velocity of rotation, not only makes draw speed adjustable controllable, and can constantly feedback speed data, data accuracy
Height, man-machine interaction is good.
5. stretching device of the present invention is widely applicable, be applicable not only to sheet, film-form, strip macromolecular material and
Composite, applies also for metal material of the tensile load less than device rated load.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram of synchronous midplane extrusion device of the present invention；
Fig. 2 is the front view of synchronous midplane extrusion device of the present invention；
Fig. 3 is the left view of synchronous midplane extrusion device of the present invention；
Fig. 4 is synchronous midplane extrusion device center platen of the present invention, pad, trip bolt and housing screw and stretching sample
Sectional view of the product after slide block over-assemble.
In figure, 1-1-leading screw, 1-2-nut, 2-bearing, 3-slide block, 4-pressing plate, 5-motor, 6-driving gear,
7-driven gear, 8-trip bolt, 9-pad, 10-housing screw, 11-support frame, 12-Programmable logical controller
Device, 13-limit switch, 14-stretching sample.
Specific embodiment
Synchronous midplane extrusion device of the present invention is described further below by specific embodiment.
Embodiment 1
Synchronous symmetrical online stretching device structure described in the present embodiment is as Figure 1-4, it is characterised in that the device includes
Midplane extrusion mechanism, transmission mechanism, support frame 11 and programmable logic controller (PLC) 12, midplane extrusion mechanism is arranged on carriage
In frame 11, its one end is connected with transmission mechanism, and transmission mechanism is connected with programmable logic controller (PLC) 12.
The midplane extrusion mechanism is made up of screw pair, slide block 3 and pressing plate 4, and screw pair is two ball wires
Thick stick pair of nut, the parallel side being mounted side by side in support frame, each screw pair has two sections of phase despinings by one
The nut 1-2 that the leading screw 1-1 of direction screw thread and two match respectively and be socketed thereon with two sections of screw threads is constituted, and the one of leading screw homonymy
End is located at its outside through support frame, and the other end is installed on the support frame, and slide block is two, and each slide block is by thereon
Two parallel inner bolt holes being provided with match be socketed on two thread segments of leading screw in midplane extrusion mechanism respectively, and respectively with position
Two nuts in outside are fixedly connected, and pressing plate is two, and each pressing plate is symmetrically connected to two slide blocks by trip bolt 8 respectively
On the outer surface of homonymy.Pad 9 is additionally provided between pressing plate and slide block, the pad is socketed in the fastening spiral shell for being flexibly connected pressing plate
On nail 8, and the housing screw 10 for being also provided with a screw and being located therein on pressing plate corresponding with pad middle part, by housing screw
With compress gasket, the end of stretching sample 14 for needing test can be firmly clamped between pad and slide block.
The transmission mechanism is made up of motor 5, driving gear 6 and two driven gears 7, and motor is fixedly mounted on carriage
The lower half of opposite side in frame, and make its upper limb less than the center of drawing mechanism pressing plate, its power transmission shaft passes through support frame
It is connected with the driving gear positioned at outside, two driven gears are separately mounted to be located at two leading screw ends on the outside of support frame
Portion, and be intermeshed, one of driven gear is intermeshed with driving gear again.The motor selects stepper motor, and
Preferably it is equipped between stepper motor and driving gear and a decelerator is installed.
The support frame 11 is made up of three pieces of rectangular slabs and two rectangle battens, one of rectangular slab and midplane extrusion
Leading screw parallel matched in mechanism, one end of another two pieces of rectangular slabs is respectively fixedly connected with its two ends, and two rectangle battens are connected to
The other end of another two pieces of rectangular slabs.The bearing 2 matched with leading screw is additionally provided with the hole for installing leading screw on the support frame.
The programmable logic controller (PLC) 12 is connected by wire with motor, with by between two slide blocks of motor control
Relative moving speed.The programmable logic controller (PLC) makes the relative moving speed between two slide blocks in 0.01～1000mm/
It is adjustable controllable between min.
A limit switch 13 is also equipped with support frame one middle side part vertical with two leading screws, the limit switch passes through
Wire is connected with programmable logic controller (PLC), and on the one hand controllable slide block is operated within rated travel, on the other hand also favourable
In protection motor.
The symmetrical online stretching device of above-mentioned synchronization is positioned over as in the testers such as X-ray diffractometer, Raman spectrometer, and
Guarantee that X-ray or laser and detection source are not blocked and can be irradiated in test sample.
Embodiment 2
Synchronous symmetrical online stretching device is that the motor 5 is selected and watched with the difference of embodiment 1 in the present embodiment
Take motor.
Claims (10)
1. the symmetrical online stretching device of a kind of synchronization, it is characterised in that the device includes midplane extrusion mechanism, transmission mechanism, support
Framework (11) and programmable logic controller (PLC) (12), midplane extrusion mechanism be arranged on support frame (11) in, its one end with transmission
Mechanism is connected, and transmission mechanism is connected with programmable logic controller (PLC) (12).
2. synchronous symmetrical online stretching device according to claim 1, it is characterised in that the midplane extrusion mechanism is by leading screw
Pair of nut, slide block (3) and pressing plate (4) composition, screw pair is two, the parallel side being mounted side by side in support frame,
Each screw pair by a leading screw (1-1) with two sections of contrary direction of rotation screw threads and two respectively with two sections of screw threads
With and be socketed nut (1-2) thereon and constitute, the end of leading screw homonymy is located at its outside through support frame, and slide block is two,
Each slide block matches respectively two spiral shells for being socketed on leading screw in midplane extrusion mechanism by two parallel inner bolt holes being provided with thereon
In line section, and respectively be fixedly connected positioned at two nuts in outside, pressing plate is two, and each pressing plate is lived respectively by connector
Move, be symmetrically connected on the outer surface of two slide block homonymies.
3. the symmetrical online stretching device of synchronization according to claim 1 or claim 2, it is characterised in that the transmission mechanism is by motor
(5), driving gear (6) and two driven gear (7) compositions, motor is fixedly mounted on the lower half of opposite side in support frame,
And making its upper limb less than the center of drawing mechanism pressing plate, its power transmission shaft is through support frame and the driving gear for being located at outside
Connection, two driven gears are separately mounted to be located at two leading screw ends on the outside of support frame, and are intermeshed, one of them
Driven gear is intermeshed with driving gear again.
4. the symmetrical online stretching device of synchronization according to claim 1 or claim 2, it is characterised in that the support frame (11) is by extremely
Few four pieces of rectangular slabs surround the rectangle frame that connection is formed, wherein the rectangular slab of side parallel with leading screw in midplane extrusion mechanism is lived
Dynamic connection；The programmable logic controller (PLC) logical (11) is crossed wire and is connected with motor (5), with pass through two slide blocks of motor control it
Between relative moving speed.
5. synchronous symmetrical online stretching device according to claim 3, it is characterised in that the support frame is by least four pieces
Rectangular slab surrounds the rectangle frame that connection is formed, wherein the rectangular slab of side parallel with leading screw in midplane extrusion mechanism connects for activity
Connect；The programmable logic controller (PLC) (11) is connected by wire with motor (5), with by between two slide blocks of motor control
Relative moving speed.
6. the symmetrical online stretching device of synchronization according to claim 1 or claim 2, it is characterised in that also set between pressing plate and slide block
Pad (9) is equipped with, the pad is socketed in and is flexibly connected on the connector of pressing plate, and is also provided with pressing plate corresponding with pad middle part
One screw and the housing screw (10) being located therein, by housing screw and compress gasket, can will need the stretching sample of test
(14) end is firmly clamped between pad and slide block.
7. synchronous symmetrical online stretching device according to claim 5, it is characterised in that also set up between pressing plate and slide block
There is pad (9), the pad is socketed in and is flexibly connected on the connector of pressing plate, and is also provided with one on pressing plate corresponding with pad middle part
Screw and the housing screw (10) being located therein, by housing screw and compress gasket, can will need the stretching sample of test
(14) end is firmly clamped between pad and slide block.
8. the symmetrical online stretching device of synchronization according to claim 1 or claim 2, it is characterised in that in the support vertical with two leading screws
The middle side part of framework one is also equipped with a limit switch (13), and the limit switch is connected by wire with programmable logic controller (PLC)
Connect.
9. synchronous symmetrical online stretching device according to claim 5, it is characterised in that in the carriage vertical with two leading screws
The middle side part of frame one is also equipped with a limit switch (13), and the limit switch is connected by wire with programmable logic controller (PLC).
10. synchronous symmetrical online stretching device according to claim 7, it is characterised in that in the carriage vertical with two leading screws
The middle side part of frame one is also equipped with a limit switch (13), and the limit switch is connected by wire with programmable logic controller (PLC).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825555.9A CN106644686A (en) | 2016-09-14 | 2016-09-14 | Synchronous online symmetric stretching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825555.9A CN106644686A (en) | 2016-09-14 | 2016-09-14 | Synchronous online symmetric stretching device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421828A (en) * | 2017-08-28 | 2017-12-01 | 安徽奥丰汽车配件有限公司 | One bulb arm hardness test device |
| CN108844981A (en) * | 2018-09-19 | 2018-11-20 | 中国工程物理研究院核物理与化学研究所 | A kind of time resolution stretching device for small-angle neutron scattering spectrometer |
| CN108956270A (en) * | 2018-07-25 | 2018-12-07 | 黄传道 | It is a kind of to stretch detection device using the anti-rubber strip for pushing away reduction effect of inertia |
| CN109307626A (en) * | 2018-09-07 | 2019-02-05 | 河南检亿科技有限公司 | A kind of cryogenic tensile tester for wire and cable dumbbell plate |
| CN109342180A (en) * | 2018-12-17 | 2019-02-15 | 清华大学 | Multi-shaft stretching device |
| CN109974991A (en) * | 2019-04-15 | 2019-07-05 | 罗建忠 | A kind of building engineering quality supervision scaffold clasp testing machine |
| CN110553912A (en) * | 2019-09-10 | 2019-12-10 | 浙江海洋大学 | Tensile test equipment |
| CN113466132A (en) * | 2021-07-01 | 2021-10-01 | 哈尔滨金融学院 | Hyperspectrum-based rice blast cycle detection equipment |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107421828A (en) * | 2017-08-28 | 2017-12-01 | 安徽奥丰汽车配件有限公司 | One bulb arm hardness test device |
| CN108956270A (en) * | 2018-07-25 | 2018-12-07 | 黄传道 | It is a kind of to stretch detection device using the anti-rubber strip for pushing away reduction effect of inertia |
| CN109307626A (en) * | 2018-09-07 | 2019-02-05 | 河南检亿科技有限公司 | A kind of cryogenic tensile tester for wire and cable dumbbell plate |
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| CN109974991B (en) * | 2019-04-15 | 2021-02-02 | 罗建忠 | Scaffold fastener testing machine for building engineering quality supervision |
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