CN202854068U - Sample testing jig of X-ray diffraction instrument - Google Patents
Sample testing jig of X-ray diffraction instrument Download PDFInfo
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- CN202854068U CN202854068U CN 201220529658 CN201220529658U CN202854068U CN 202854068 U CN202854068 U CN 202854068U CN 201220529658 CN201220529658 CN 201220529658 CN 201220529658 U CN201220529658 U CN 201220529658U CN 202854068 U CN202854068 U CN 202854068U
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Abstract
The utility model discloses a sample testing jig of an X-ray diffraction instrument. The sample testing jig comprises an object stage, a screw, a nut, a rocking lever and a testing jig base which are sequentially arranged from top to bottom, wherein the object stage is sleeved on the screw, the screw is fixed on the testing jig base through the nut, a side edge of the nut is provided with an opening, and the rocking lever is connected into the opening. According to the sample testing jig of the X-ray diffraction instrument, the principle of screw transmission is utilized, and the object stage and the screw are connected together, so that during work, the screw can drive the object stage to freely move upwards and downwards by rotating the rocking lever, and then, the placed height of a sample can be conveniently adjusted. Regardless of whether the size of the sample is too large or small, the sample can be very conveniently placed on the object stage to be subjected to X-ray scanning, and the sample is not required for being fixed through methods of cutting a sample holder and the like anymore. The sample testing jig of the X-ray diffraction instrument has the advantages that the manufacture is simple, the operation is convenient, the test range for block samples is increased, the manufacturing cost is low, the production cost input is small, and the economic benefit is remarkable.
Description
Technical field
The utility model relates to the experimental technique of a kind of material analysis and field tests, is a kind of New Type X-Ray Diffractometer sample testing frame specifically.
Background technology
X-ray diffraction be the research crystal structure and and performance between the important means that concerns, X-ray diffractometer can be used for measuring powdered sample and bulk sample.But when reality is tested; often can run into the less bulk sample of size; if still continuing to use usual way tests; practical operation will quite bother; so often the aluminum specimen holder is lain against one clean on glass; the test surfaces of testing sample is put into the cavity central authorities of specimen holder downwards; central authorities at the testing sample back side put an amount of plasticine; press with a glass testing jig with concave surface again; like this; sample just is fixed on the glass frame, the aluminum testing jig is sandwiched on the test board of x-ray instrument with the glass testing jig carries out X-ray scanning again.On the other hand, the large-size sample that all surpasses the aluminum specimen holder for length and width, all be by reducing sample or passing through to improve sample testing frame in the past, namely with methods such as line cuttings the housing of aluminum sample testing frame is cut a part, for the large scale sample, can directly be bonded on the testing jig with plasticine like this.
By above-mentioned improvement to the X-ray diffractometer sample testing frame, really improved to a certain extent convenience and the operability of special-shaped size bulk sample X-ray diffraction, but had following problem:
1, for the thickness of the tested sample thinner sample less than 0.5mm, if fix with first method, because the penetration depth of the X ray of certain wavelength just in time in the thickness of sample scope, so just probably shines on the sample plasticine behind, affects the accuracy at X-ray diffraction peak;
2, for larger-size block sample, when using second method fixedly, difficulty is installed not only, the tested surface of sample is difficult to accomplish that the one side with the aluminum specimen holder is strictly coplanar, and plasticine also very easily forms coplanar with sample test face.Like this since plasticine also produce diffraction, will overlap with the X-ray diffraction summit of sample, thus have influence on X ray diffracting spectrum authenticity and accuracy;
3, for the thickness of the tested sample sample greater than the reduced size of 2.0mm, if fix with first method, then require to strengthen the recessed degree of depth of glass frame (and the recessed degree of depth that generally is used for the glass frame of powdered sample measurement is 0.5mm), will bring certain difficulty to processing link like this, practical operation is got up also very inconvenient.
Summary of the invention
Defective in view of above-mentioned prior art existence, the purpose of this utility model is to propose a kind of simple in structure, convenient and practical X-ray diffractometer sample testing frame, can enlarge the usable range of bulk sample, so that the x-ray diffraction experiment of oversize or too small sample is convenient accurately.
The purpose of this utility model, to be achieved by the following technical programs: a kind of X-ray diffractometer sample testing frame, it is characterized in that: comprise successively from top to bottom objective table, screw rod, nut, rocking bar and testing jig base, described objective table is socketed on the screw rod, described screw rod is fixed on the testing jig base by nut, described nut side is provided with perforate, is connected with rocking bar in the described perforate.
The technical scheme that the utility model further limits is: aforesaid X-ray diffractometer sample testing frame, the screw thread of described screw rod outside surface are square thread.
Further, aforesaid X-ray diffractometer sample testing frame, described rocking bar are at least two, and distribute symmetrically.
Further, aforesaid X-ray diffractometer sample testing frame, described testing jig base is hollow design.
Outstanding effect of the present utility model is: the new construction that the utility model provides, high performance X-ray diffractometer sample testing frame, utilize the principle of worm drive, objective table and screw rod are linked together, only need rotating rocker during work, screw rod just can drive the objective table easy on and off and move, thereby adjusting sample puts highly easily.No matter sample is oversize or too small, can be placed on easily and carry out X-ray scanning on the objective table, and no longer need to come sample is fixed by methods such as cutting specimen holders.The utility model is made simple, and is easy to operate, not only enlarged the test specification of bulk sample, and cheap for manufacturing cost, and production cost drops into little, remarkable in economical benefits.
Following constipation closes the embodiment accompanying drawing, embodiment of the present utility model is described in further detail, so that technical solutions of the utility model are easier to understand, grasp.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of X-ray diffractometer sample testing frame that present embodiment provides, its structure be as described in Figure: comprise successively from top to bottom objective table 1, screw rod 2, nut 3, rocking bar 4 and testing jig base 5.Wherein, the latter half cross section of objective table is less, can directly be socketed on the screw rod; The outside surface of this screw rod is with square thread, and is in order to increase its load-bearing capacity, especially applicable for large heavier block sample; Screw rod is fixed on the testing jig base by nut, cooperates by screw rod and nut are two-part, can realize the combined helical transmission.Four limits of nut are provided with four perforates, are connected with rocking bar in the perforate, during rotating rocker, can realize worm drive by nut and screw rod, and screw rod drives objective table and moves up and down, thereby can regulate sample arranging in optimum height; Be socketed on after above-mentioned parts install in the testing jig base, this part hollow also is designed to certain wall thickness, is can be descending smoothly for screw rod on the one hand, also is in order to increase the intensity of base, to play a supporting role better on the other hand.
Principle of work of the present utility model is: the utility model utilizes the principle of worm drive, and objective table and the screw rod that tested sample is housed linked together.Only need rotating rocker (rotating the number of turns is determined on a case-by-case basis) during work, screw rod just can drive the objective table easy on and off and move, thereby adjusting sample puts highly easily.No matter sample is oversize or too small, can be placed on easily and carry out X-ray scanning on the objective table, and no longer need to come sample is fixed by methods such as cutting specimen holders, practical operation is simple and easy to do, the sample set time shortens dramatically, thereby has improved the efficient of XRD experiment.
The bulk sample that the experiment of present embodiment is adopted is the 9Ni steel, and specification is that 50mm * 50mm * 40mm(amounts to 4), sample is numbered respectively 1-1 number, 2-1 number, 3-1 number, 4-1 number, belongs to the large-size sample.Before the experiment, do first following preliminary work: utilizing original idle next piece sectional dimension of aluminum specimen holder cutting is the aluminium flake of 30 mm * 30mm, the one end is inserted into first in the sample test groove of main frame, uses to treat the subsequent calibrations level.With 9Ni steel specimen surface respectively with 200# and 600# abrasive paper for metallograph milled and carry out polishing, central authorities at its back side put an amount of plasticine simultaneously, microslide with an aluminum presses again, putting into press flattens, then it is positioned on the objective table of novel test frame, rotating rocker allows screw rod move up and down, until till the appropriate height.
In order to make specimen surface accurately be adjusted at the plane of regulation, can utilize a horizontal checkout instrument (level meter length should be slightly longer), one end is placed on the aluminium flake that inserts in the host test groove, the other end is placed on the surface of 9Ni steel sample, carefully adjust the position of sample, until level meter reveal competence state.So far, 9Ni steel sample installs and fixes and finishes.Through measuring and calculating, the time that said sample installs and fixes only is 8 minutes, and in the past the used time need about 30 minutes, greatly shortened the time; Owing to adopted the horizontal checkout instrument to come the putting position of accurate adjustment tested sample, make the tested sample surface can reach the plane requirement of XRD experiment regulation simultaneously.
Table 1 i.e. the experimental result of this time 9Ni steel.Having obtained respectively by experiment retained austenite in numbers 4 samples of 1-1 number ~ 4-1 (namely reverse and become austenite) content data, is respectively 1.08%, 1.18%, 1.44%, 1.13%.Can find out by analysis with relatively, owing to used this New Type X-Ray Diffractometer sample testing frame, the accuracy of experimental data has before had large increase, the error range of experimental result is further dwindled, thereby Effective Raise authenticity and the accuracy of experimental data, satisfied well the needs of XRD experiment.
Table 1 9Ni steel experimental result
。
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (4)
1. X-ray diffractometer sample testing frame, it is characterized in that: comprise successively from top to bottom objective table, screw rod, nut, rocking bar and testing jig base, described objective table is socketed on the screw rod, described screw rod is fixed on the testing jig base by nut, described nut side is provided with perforate, is connected with rocking bar in the described perforate.
2. X-ray diffractometer sample testing frame according to claim 1, it is characterized in that: the screw thread of described screw rod outside surface is square thread.
3. X-ray diffractometer sample testing frame according to claim 1, it is characterized in that: described rocking bar is at least two, and distributes symmetrically.
4. X-ray diffractometer sample testing frame according to claim 1, it is characterized in that: described testing jig base is hollow design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529658 CN202854068U (en) | 2012-10-16 | 2012-10-16 | Sample testing jig of X-ray diffraction instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529658 CN202854068U (en) | 2012-10-16 | 2012-10-16 | Sample testing jig of X-ray diffraction instrument |
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| CN202854068U true CN202854068U (en) | 2013-04-03 |
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| CN 201220529658 Expired - Fee Related CN202854068U (en) | 2012-10-16 | 2012-10-16 | Sample testing jig of X-ray diffraction instrument |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983653A (en) * | 2014-05-29 | 2014-08-13 | 中国科学院青海盐湖研究所 | Multifunctional sample stage for measuring block-shaped solid sample in X-ray diffractometer |
| CN106918608A (en) * | 2015-12-24 | 2017-07-04 | 中国科学院大连化学物理研究所 | Large sample X-ray diffraction material phase analysis support |
| CN109540944A (en) * | 2019-01-04 | 2019-03-29 | 中南大学 | A kind of high-precision probe clamping device for Sample location in neutron diffraction measurement |
| CN109580911A (en) * | 2018-12-03 | 2019-04-05 | 长春黄金研究院有限公司 | A kind of irregular sample stage |
| CN110596164A (en) * | 2019-10-10 | 2019-12-20 | 新疆烯金石墨烯科技有限公司 | Sample preparation method of sample for graphene XRD (X-ray diffraction) characterization |
| CN111272793A (en) * | 2020-03-18 | 2020-06-12 | 苏州博讯仪器有限公司 | Calibration device and method for energy dispersion X fluorescence spectrometer |
| CN113281362A (en) * | 2021-05-31 | 2021-08-20 | 南京铂锋科技有限公司 | Rapid X-ray diffractometer and testing method |
-
2012
- 2012-10-16 CN CN 201220529658 patent/CN202854068U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983653A (en) * | 2014-05-29 | 2014-08-13 | 中国科学院青海盐湖研究所 | Multifunctional sample stage for measuring block-shaped solid sample in X-ray diffractometer |
| CN106918608A (en) * | 2015-12-24 | 2017-07-04 | 中国科学院大连化学物理研究所 | Large sample X-ray diffraction material phase analysis support |
| CN109580911A (en) * | 2018-12-03 | 2019-04-05 | 长春黄金研究院有限公司 | A kind of irregular sample stage |
| CN109540944A (en) * | 2019-01-04 | 2019-03-29 | 中南大学 | A kind of high-precision probe clamping device for Sample location in neutron diffraction measurement |
| CN109540944B (en) * | 2019-01-04 | 2023-10-31 | 中南大学 | High-precision probe clamping device for sample positioning in neutron diffraction measurement |
| CN110596164A (en) * | 2019-10-10 | 2019-12-20 | 新疆烯金石墨烯科技有限公司 | Sample preparation method of sample for graphene XRD (X-ray diffraction) characterization |
| CN111272793A (en) * | 2020-03-18 | 2020-06-12 | 苏州博讯仪器有限公司 | Calibration device and method for energy dispersion X fluorescence spectrometer |
| CN113281362A (en) * | 2021-05-31 | 2021-08-20 | 南京铂锋科技有限公司 | Rapid X-ray diffractometer and testing method |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20201016 |