CN219532978U

CN219532978U - Desk type X-ray diffractometer

Info

Publication number: CN219532978U
Application number: CN202223488943.2U
Authority: CN
Inventors: 陆昆
Original assignee: CHUZHOU CITY VOCATION COLLEGE
Current assignee: CHUZHOU CITY VOCATION COLLEGE
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-08-15
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a desk type X-ray diffractometer, which comprises a diffractometer component, wherein the diffractometer component comprises a control box, a working box fixed at the top end of the control box, a sample frame arranged on a sealing door on the working box and fixed on the inner wall of the working box, an X-ray generating device arranged inside the working box and opposite to the sample frame, and an angle measuring instrument arranged in the inner cavity of the working box; the conveying assembly comprises a bottom plate placed at the bottom end of the inner cavity of the working box, a motor fixed on the bottom plate, a first belt wheel coaxially connected with the driving end of the motor, a rotating rod rotating on the bottom plate, a second belt wheel fixed on the rotating rod, a conveying belt sleeved on the first belt wheel and the second belt wheel, a carrier fixed at the top end of the conveying belt and a sample table placed on the carrier; after a plurality of sample platforms are placed at one time, the sample platforms can be automatically replaced without repeatedly opening and closing the sealing door.

Description

Desk type X-ray diffractometer

Technical Field

The utility model relates to the field of X-ray diffraction sample tables, in particular to a table type X-ray diffractometer.

Background

X-ray diffraction measurements are an important means of identifying material phase structure. When the X-ray is incident on the crystal face of a certain lattice at a glancing angle θ, diffraction lines enhanced by superposition will be obtained in the reflection direction under the condition of conforming to the bragg equation. And (3) obtaining reflection from the reflection surface of each theta angle conforming to the condition of the Bragg equation, determining lattice interplanar spacing, unit cell size, unit cell type and the like of the material after measuring theta, and further determining the arrangement of atoms in the unit cell according to the intensity of the diffraction line. The material was in X-ray diffraction measurements.

The X-ray polycrystalline diffractometer is used for analyzing the phase structure, the phase composition, the grain size and the like of materials, and is widely applied to the fields of materials, chemistry, geology, medicine and the like. The conventional X-ray polycrystalline diffractometer is usually only provided with a fixed sample stage, after each sample is tested, the sample needs to be manually replaced, the working efficiency is low, the diffractometer door is frequently opened and closed, and the service life of the diffractometer door is reduced.

Disclosure of Invention

The utility model aims to provide a table type X-ray diffractometer, which solves the problems in the background technology.

In order to achieve the above purpose, the utility model provides a table type X-ray diffractometer with the following technical scheme, which comprises a diffractometer component, a conveying component, a telescopic component and a clamping component.

The diffractometer component comprises a control box, a working box fixed at the top end of the control box, a sample frame arranged on a sealing door on the working box and fixed on the inner wall of the working box, an X-ray generating device arranged inside the working box and right facing the sample frame, and a goniometer arranged in the inner cavity of the working box;

the conveying assembly comprises a bottom plate placed at the bottom end of the inner cavity of the working box, a motor fixed on the bottom plate, a first belt wheel coaxially connected with the driving end of the motor, a rotating rod rotating on the bottom plate, a second belt wheel fixed on the rotating rod, a conveying belt sleeved on the first belt wheel and the second belt wheel, a carrier fixed at the top end of the conveying belt and a sample table placed on the carrier;

the telescopic assembly comprises an electric telescopic rod, a fixed block and an air cylinder, wherein the bottom end of the electric telescopic rod is fixed on the bottom plate, the fixed block is fixed on the top end of the electric telescopic rod, and the air cylinder is fixed on the fixed block;

the clamping assembly comprises a mounting frame, a driving motor, a rotating shaft, a gear, two racks and a clamping plate, wherein the mounting frame is fixed on the air cylinder pushing rod, the outer wall of the mounting frame is symmetrically provided with a through groove, the driving motor is fixed in an inner cavity of the mounting frame, the rotating shaft is coaxially connected with the driving end of the driving motor, the gear is fixed on the rotating shaft, the two racks are inserted into the through groove and are respectively meshed with the upper end and the lower end of the gear, and the clamping plate is fixed on the outer end of the racks.

As a preferable scheme of the table type X-ray diffractometer, a guide groove is formed in the end head of the rack, and a guide rod inserted into the guide groove is formed in the inner wall of the mounting frame.

As a preferable scheme of the table type X-ray diffractometer, rubber blocks which are uniformly distributed are fixed on the inner wall of the clamping plate.

As a preferable scheme of the table type X-ray diffractometer, grooves are symmetrically formed in the bottom end of the inner wall of the working box, and protruding blocks clamped into the grooves are symmetrically fixed at the bottom end of the bottom plate.

As a preferable scheme of the table type X-ray diffractometer, a flat plate is fixed at the bottom end of the electric telescopic rod, and the flat plate is fixed on the bottom plate through bolts.

Compared with the prior art, the utility model has the following beneficial effects: the conveying assembly is arranged in the inner cavity of the working box, the sample platforms are placed on the conveying belt, and the motor is started to drive the conveying belt to rotate, so that the plurality of sample platforms are driven to rotate together; the clamping assembly is driven to move to the position of the sample stand through the telescopic assembly, then the driving motor is started to drive the gear to rotate, so that the two racks move together, the two clamping plates are adjusted to move, the sample stand is clamped, then the electric telescopic rod is started, the sample stand is driven to the position of the same height of the sample stand, then the air cylinder is started, the sample stand is driven to advance to the top end of the sample stand, then the driving motor is started, the two clamping plates are driven to move reversely, the sample stand is placed on the sample stand, when other sample stands need to be replaced, the telescopic assembly drives the clamping assembly to take down the previous sample stand, the operation of the first time is repeated, and the next sample stand is placed on the sample stand again; after a plurality of sample platforms are placed at one time, the sample platforms can be automatically replaced without repeatedly opening and closing the sealing door.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of the overall structure of a table-type X-ray diffractometer of the present utility model;

FIG. 2 is a schematic view of the transport assembly of the table X-ray diffractometer of the present utility model;

FIG. 3 is a schematic view of the structure of the clamping assembly of the table-type X-ray diffractometer of the present utility model;

FIG. 4 is a schematic view of the diffractometer element of the table-type X-ray diffractometer of the present utility model;

fig. 5 is a schematic view showing the structure of a bump of a table-type X-ray diffractometer according to the present utility model.

In the figure: 100. a diffractometer assembly; 110. a control box; 120. a working box; 121. a groove; 130. a door 140, a sample holder; 150. an X-ray generating device; 160. an goniometer; 200. a transport assembly; 210. a bottom plate; 211. a bump; 220. a motor; 230. a first pulley; 240. a rotating lever; 250. a second pulley; 260. a conveyor belt; 270. a carrier; 280. a sample stage; 300. a telescoping assembly; 310. an electric telescopic rod; 320. a cylinder; 400. a clamping assembly; 410. a mounting frame; 411. a through groove; 412. a guide rod; 420. a drive motor; 430. a transparent plate; 440. l-shaped inserting sheets; 450. a rack; 451. a guide groove; 460. a clamping plate; 461. rubber blocks.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

The utility model provides a table type X-ray diffractometer, which can automatically replace a plurality of sample tables after the sample tables are placed at one time without repeatedly opening and closing a door.

Fig. 1 to 5 are schematic structural views of an embodiment of a table X-ray diffractometer according to the present utility model, referring to fig. 1 to 5, a main body portion of the table X-ray diffractometer according to the present utility model includes a diffractometer element 100, a transport element 200, a telescopic element 300 and a clamping element 400.

The diffractometer assembly 100 is used for carrying out structural identification on a sample, and specifically comprises a control box 110, a working box 120 fixed at the top end of the control box 110, a sealing door 130 arranged on the working box 120, a sample rack 140 fixed on the inner wall of the working box 120, an X-ray generating device 150 arranged inside the working box 120 and opposite to the sample rack 140, and a goniometer 160 arranged in the inner cavity of the working box 120, wherein the diffractometer assembly 100 is an existing desk type X-ray diffractometer, is an existing machine, is also internally provided with components such as a motor, a turntable, a control program circuit and the like, and the sealing door 130 can be hinged on the outer wall of the working box 120 or can be in a drawing type, so that the effect of sealing the working box 120 can be achieved;

the conveying assembly 200 is used for carrying a sample stage 280 for circulating conveying, and specifically comprises a bottom plate 210 placed at the bottom end of an inner cavity of the working box 120, a motor 220 fixed on the bottom plate 210, a first belt wheel 230 coaxially connected with the driving end of the motor 220, a rotating rod 240 rotating on the bottom plate 210, a bearing fixed at the top end of the bottom plate 210, the rotating rod 240 fixed in the middle of the bearing, a second belt wheel 250 capable of rotating and fixed on the rotating rod 240, a conveying belt 260 sleeved on the first belt wheel 230 and the second belt wheel 250, a carrier 270 fixed at the top end of the conveying belt 260 and the sample stage 280 placed on the carrier 270, wherein the top end of the carrier 270 is provided with a notch which is exactly matched with the sample stage 280, and the outer wall of the sample stage 280 can be placed in the carrier 270. In this embodiment, the bottom of the inner wall of the working box 120 is symmetrically provided with a groove 121, and the bottom of the bottom plate 210 is symmetrically fixed with a bump 211 that is clamped into the groove 121; a flat plate is fixed at the bottom end of the electric telescopic rod 310 and is fixed on the bottom plate 210 through bolts;

the telescopic assembly 300 is used for driving the clamping assembly 400 to perform the functions of up-down and front-back expansion and contraction, and specifically comprises an electric telescopic rod 310 with the bottom end fixed on the bottom plate 210, a fixed block 320 fixed on the top end of the electric telescopic rod 310 and an air cylinder 330 fixed on the fixed block 320, wherein the electric telescopic rod 310 is responsible for up-down expansion and contraction, and the air cylinder 330 is responsible for front-back expansion and contraction, so that the positions of the clamping assembly 400 are regulated together;

the clamping assembly 400 is used for clamping the sample stage 280, and specifically comprises a mounting frame 410 fixed on a pushing rod of an air cylinder 330, a driving motor 420 fixed in an inner cavity of the mounting frame 410, a rotating shaft 430 coaxially connected with a driving end of the driving motor 420, a gear 440 fixed on the rotating shaft 430, two racks 450 inserted into the through slot 411 and respectively meshed with the upper end and the lower end of the gear 440, and clamping plates 460 fixed on the outer ends of the racks 450, wherein the driving motor 420 is started to drive the rotating shaft 430 to rotate, so that the gear 440 is driven to rotate, the clamping plates 460 are fixed on the racks 450, and the clamping plates 460 and the racks 450 can be integrally formed directly or welded together or adhered together or fixed together through screws. In this embodiment, a guiding groove 451 is formed on the end of the rack 450, and a guiding rod 412 inserted into the guiding groove 451 is formed on the inner wall of the mounting frame 410; rubber blocks 461 uniformly distributed are fixed on the inner wall of the clamping plate 460.

Referring to fig. 1 to 5, embodiments of the table type X-ray diffractometer are as follows: firstly, the conveying assembly 200 is installed in the inner cavity of the working box 120, different sample powders are placed in different sample stages 280 and compacted, then each sample stage 280 is placed in different carriers 270, and finally, the motor 220 is started to drive the conveying belt 260 to rotate, so that a plurality of sample stages 280 are driven to rotate together; the electric telescopic rod in the telescopic assembly 300 is started to drive the clamping assembly 400 to reach the level of the sample stage 280, then the air cylinder is started to drive the clamping assembly 400 to move forward to the front of the sample stage 280, then the driving motor 420 is started to drive the gear 440 to rotate, so that the two racks 450 move together, thereby adjusting the two clamping plates 460 to move, clamping the outer wall of the rear end of the sample stage 280, then the electric telescopic rod 310 is started to drive the sample stage to the height position of the sample stage 140, then the air cylinder 330 is started to drive the front end of the sample stage 280 to push forward, so that the front end of the sample stage 280 is inserted into the fixed groove of the sample stage 140, then the driving motor 420 is started to drive the two clamping plates 430 to move reversely, so that the clamping plate 430 is released from the sample stage 280, at this time, when other sample stages 280 need to be replaced, the telescopic assembly 300 drives the previous sample stage 280 to be removed, the next sample stage 280 is placed on the sample stage 140 again, the operation of the first time is repeated, and the sequential sealing door 130 is not required to be opened for each time, and the sample stage 280 does not need to be manually removed.

While the fundamental principles, principal features, and advantages of the present utility model have been shown and described, it will be apparent to those skilled in the art that the present utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Table type X-ray diffractometer, characterized by comprising:

the diffractometer assembly (100) comprises a control box (110), a working box (120) fixed at the top end of the control box (110), a sample frame (140) arranged on a sealing door (130) on the working box (120) and fixed on the inner wall of the working box (120), an X-ray generating device (150) arranged inside the working box (120) and opposite to the sample frame (140) and an angle measuring instrument (160) arranged in the inner cavity of the working box (120);

the conveying assembly (200) comprises a bottom plate (210) placed at the bottom end of an inner cavity of the working box (120), a motor (220) fixed on the bottom plate (210), a first belt wheel (230) coaxially connected with the driving end of the motor (220), a rotating rod (240) rotating on the bottom plate (210), a second belt wheel (250) fixed on the rotating rod (240), a conveying belt (260) sleeved on the first belt wheel (230) and the second belt wheel (250), a carrier (270) fixed at the top end of the conveying belt (260) and a sample stage (280) placed on the carrier (270);

the telescopic assembly (300) comprises an electric telescopic rod (310) with the bottom end fixed on the bottom plate (210), a fixed block (320) fixed on the top end of the electric telescopic rod (310) and an air cylinder (330) fixed on the fixed block (320);

the clamping assembly (400) comprises a mounting frame (410) which is fixed on a pushing rod of the air cylinder (330) and is provided with a through groove (411) symmetrically on the outer wall, a driving motor (420) which is fixed in an inner cavity of the mounting frame (410), a rotating shaft (430) which is coaxially connected with the driving end of the driving motor (420), a gear (440) which is fixed on the rotating shaft (430), two racks (450) which are inserted into the through groove (411) and are respectively meshed with the upper end and the lower end of the gear (440), and clamping plates (460) which are fixed on the outer ends of the racks (450).

2. The table X-ray diffractometer according to claim 1, wherein a guide groove (451) is provided at an end of the rack (450), and a guide rod (412) inserted into the guide groove (451) is provided at an inner wall of the mounting frame (410).

3. The table X-ray diffractometer according to claim 1, characterized in that rubber blocks (461) are fixed on the inner wall of the clamping plate (460) in an evenly distributed manner.

4. The table X-ray diffractometer according to claim 1, wherein the inner wall bottom end of the working box (120) is symmetrically provided with a groove (121), and the bottom end of the bottom plate (210) is symmetrically fixed with a bump (211) clamped into the groove (121).

5. The table X-ray diffractometer of claim 1, wherein a bottom end of the motorized telescopic rod (310) is fixed with a plate, and the plate is fixed to the bottom plate (210) by bolts.