Multi-position powder sample table for X-ray diffractometer

Abstract

The utility model discloses a multi-position powder sample stage for X-ray diffractometers, which relates to the technical field of X-ray diffractometers, and comprises a base, supporting sheets and limiting strips, the base is provided with a plurality of limiting grooves, each limiting groove is used for placing one supporting sheet, the two sides of each limiting groove are provided with limiting bulges, and the limiting bulges are arranged on the base. Each limiting protrusion is provided with one limiting strip, and a powder sample groove is clamped between the supporting piece and the limiting strips. According to the utility model, the plurality of supporting sheets and the limiting strips are arranged, so that a plurality of powder sample grooves can be clamped, and the plurality of powder sample grooves can be simultaneously put into an X-ray diffractometer for detection at one time in actual use, and do not need to be put into the X-ray diffractometer for multiple times by workers, thereby simplifying the experimental process and improving the test efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of X-ray diffractometers, in particular to a multi-position powder sample stage for an X-ray diffractometer. Background Art

[0002] An X-ray diffractometer is the most commonly used device for characterizing the crystal structure of materials and has a relatively wide range of applications itself. The X-ray diffractometer uses the X-ray diffraction method to accurately determine the crystal structure, texture, and stress of substances according to the diffraction principle, and can accurately perform phase analysis, qualitative analysis, and quantitative analysis. As the main means for characterizing the crystal structure of materials, it is widely used in scientific research, inspection and testing, and quality control of products by enterprises.

[0003] Currently, when an X-ray diffractometer is in use, generally, a sample slot that can only hold one sample is placed in the test instrument, and after the test is completed, the next sample is manually replaced. If there is a large amount of samples and rapid testing and screening are required, this traditional operation method is rather cumbersome and the testing efficiency is relatively low.

[0004] Therefore, there is an urgent need in the art for a new multi-position powder sample stage for an X-ray diffractometer to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a multi-position powder sample stage for an X-ray diffractometer to solve the problems existing in the above-mentioned prior art. Multiple powder sample slots can be installed on one base, eliminating the need for frequent sample replacement, simplifying the operation process, and thus improving the testing efficiency.

[0006] To achieve the above purpose, the utility model provides the following solution:

[0007] The utility model provides a multi-position powder sample stage for an X-ray diffractometer, including a base, a support piece, and a limiting strip. A plurality of limiting grooves are provided on the base, and each limiting groove is used to place one support piece. Limiting protrusions are provided on both sides of each limiting groove, and one limiting strip is installed on each limiting protrusion. A powder sample slot is clamped between the support piece and the limiting strip.

[0008] Preferably, the powder sample slot is a glass slide, and a powder groove is provided on the glass slide.

[0009] Preferably, a fixing through hole is provided at the lower end of the base, and a fixing screw is connected at the fixing through hole. The base can be installed on the XY translation sample stage of the X-ray diffractometer through the fixing screw.

[0010] Preferably, a limiting through hole is provided at the upper end of the limiting protrusion, and the limiting through hole is fixedly connected to the limiting strip by a limiting screw.

[0011] Preferably, a lower groove is provided on the upper surface of each of the limiting grooves, an upper groove is provided on the lower surface of each of the support pieces, a spring is placed between each of the lower grooves and the corresponding upper groove, and the upper and lower ends of the spring respectively abut against the bottom of the upper groove and the bottom of the lower groove.

[0012] The utility model has achieved the following technical effects compared with the prior art:

[0013] In the utility model, a plurality of support pieces and limiting strips are provided on the base, and the powder sample cell can be clamped between the support pieces and the limiting strips, so that multiple samples can be injected at one time, the number of sample replacements during testing can be reduced, and the testing efficiency can be improved. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic structural diagram of a multi-position powder sample stage for an X-ray diffractometer according to an embodiment of the present invention;

[0016] Figure 2 It is an exploded view of a multi-position powder sample stage for an X-ray diffractometer according to an embodiment of the present invention;

[0017] In the figure: 1 - base; 101 - fixing screw; 102 - lower groove; 2 - support piece; 201 - upper groove; 3 - limiting strip; 4 - powder sample cell; 5 - spring. Detailed Embodiments

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] The purpose of the present utility model is to provide a multi-position powder sample stage for an X-ray diffractometer to solve the problems existing in the above-mentioned prior art. Multiple powder sample slots can be installed on a base, eliminating the need for frequent sample replacement, simplifying the operation process, and thus improving the test efficiency.

[0020] In order to make the above-mentioned objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] As Figure 1 - Figure 2 shown, the present utility model provides a multi-position powder sample stage for an X-ray diffractometer, which includes a base 1, a support piece 2, and a limiting strip 3. The base 1 is a rectangular block structure, and a number of limiting grooves are provided on the base 1. Each limiting groove is used to place a support piece 2, and the cross-sectional dimension of the support piece 2 matches the dimension of the limiting groove. Limiting protrusions are provided on both sides of each limiting groove, and a limiting strip 3 is installed at the upper end of each limiting protrusion. It should be noted that the width of the limiting strip 3 is wider than the width of the limiting protrusion, so that both sides of the limiting strip 3 can protrude from both sides of the limiting protrusion. The upper surface of the support piece 2 and the part of the limiting strip 3 that protrudes relative to the limiting protrusion can be used to clamp the powder sample slot 4.

[0022] During actual use, first insert the powder sample slot 4 to be detected into the gap between the support piece 2 and the limiting strip 3, and the powder sample slot 4 is firmly clamped by the limiting strips 3 on both sides and the support piece 2 below. Then open the door of the X-ray diffractometer, and place the base 1 and multiple powder sample slots 4 above it at once and then close the door. After closing the door, read the corresponding test module in the test program of the Rigaku samrtlab diffractometer (i.e., the X-ray diffractometer), input the sample name and test conditions respectively, and then the X-ray diffractometer automatically moves each sample to the test position at the center of the goniometer in sequence through the XY translation stage for testing. After the test is completed, take out the base 1 and each powder sample slot 4 above it.

[0023] In this embodiment, the powder sample slot 4 is a glass slide, and a powder groove is provided on the glass slide for containing powder. The purpose of adopting this method is to be applicable to the loading of different types of powders and have a wide range of uses. Of course, existing sample slots with appropriate sizes can also be used.

[0024] In this embodiment, the base 1 is made by 3D printing, and a number of fixing through holes are provided at the lower end of the base 1. The fixing through holes are stepped holes. The fixing through holes are used to connect fixing screws 101, and the base 1 can be installed on the XY translation sample stage of the X-ray diffractometer through the fixing screws 101.

[0025] In this embodiment, a limiting through hole is provided at the upper end of the limiting protrusion. The limiting through hole is fixedly connected to the limiting strip 3 through a limiting screw. The limiting strip 3 is formed by laser cutting a metal sheet. The specific material of the metal sheet includes, but is not limited to, existing iron, stainless steel, etc.

[0026] In this embodiment, a lower groove 102 is provided on the upper surface of each limiting groove, and an upper groove 201 is provided on the lower surface of each support piece 2. A spring 5 is placed between each lower groove 102 and the corresponding upper groove 201. The upper and lower ends of the spring 5 respectively abut against the bottom of the upper groove 201 and the bottom of the lower groove 102. When the support piece 2 is placed in the limiting groove, the spring 5 is in a compressed state. The purpose of adding the spring 5 is to always give the support piece 2 an upward elastic force, so that the support piece 2 can push the powder sample groove 4 upward, and then cooperate with the fixed limiting strip 3 to firmly clamp the powder sample groove 4 and prevent it from shifting.

[0027] In this embodiment, as Figure 1 - Figure 2 shown, there are 10 limiting grooves and support pieces 2, which are distributed in a two-row and five-column manner, that is, every two adjacent limiting grooves are in one column. There are 6 limiting strips 3, which are distributed in a one-row and six-column manner. In this way, a common limiting strip 3 is provided on the left and right sides of two limiting grooves or support pieces 2 in each column. Of course, those skilled in the art can also adjust the specific number and distribution position of the limiting grooves according to actual needs, not just limited to this one in this embodiment.

[0028] Specific examples are used in the present utility model to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A multi-position powder sample stage for an X-ray diffractometer, characterized in that: It includes a base, a support piece and a limit strip. A number of limit grooves are provided on the base, and each limit groove is used to place one of the support pieces. Limit protrusions are provided on both sides of each limit groove, and one of the limit strips is installed on each limit protrusion. The powder sample cell is clamped between the support piece and the limit strip.

2. The multi-position powder sample stage for X-ray diffractometer according to claim 1, characterized in that: The powder sample cell is a glass slide, and a powder groove is provided on the glass slide.

3. The multi-position powder sample stage for X-ray diffractometer according to claim 1, characterized in that: A fixing through hole is provided at the lower end of the base, and a fixing screw is connected at the fixing through hole. The base can be installed on the XY translation sample stage of the X-ray diffractometer through the fixing screw.

4. The multi-position powder sample stage for X-ray diffractometer according to claim 1, characterized in that: A limit through hole is provided at the upper end of the limit protrusion, and the limit through hole is fixedly connected to the limit strip through a limit screw.

5. The multi-position powder sample stage for X-ray diffractometer according to claim 1, characterized in that: A lower groove is provided on the upper surface of each limit groove, and an upper groove is provided on the lower surface of each support piece. A spring is placed between each lower groove and the corresponding upper groove, and the upper and lower ends of the spring are respectively abutted against the bottom of the upper groove and the bottom of the lower groove.

Images