CN215985747U

CN215985747U - Be applied to accurate positioning mechanism of sample of raman spectroscopy appearance

Info

Publication number: CN215985747U
Application number: CN202122433558.7U
Authority: CN
Inventors: 朱剑; 陈淘; 储瑞巍
Original assignee: Zhongke Kaili Instrument Suzhou Co ltd
Current assignee: Zhongke Kaili Instrument Suzhou Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-08
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a sample accurate positioning mechanism applied to a Raman spectrometer, which comprises a placing box, wherein the bottom of the inner wall of the placing box is provided with a sliding groove, the inside of the sliding groove is connected with four sliding blocks in a sliding manner, the tops of the four sliding blocks are fixedly connected with supporting plates, and the bottoms of the supporting plates are fixedly connected with threaded blocks. According to the utility model, the first and second placing grooves and the clamping groove are arranged, the solid placing table is clamped with the clamping groove, so that the sample accurate positioning mechanism is suitable for different sample containers, the applicability is improved, the second rotating block is rotated to enable the sample plate to move up and down by contrasting scales, the laser and the sample are on the same horizontal line, then the first rotating block is rotated to enable the sample plate to move left and right, the laser focusing point can accurately fall on the sample to be detected, the sample accurate positioning mechanism can accurately position the sample, the sample accurate positioning mechanism is suitable for detecting samples in various states, the collection efficiency of Raman light intensity is increased, and the detection efficiency of the sample is improved.

Description

Be applied to accurate positioning mechanism of sample of raman spectroscopy appearance

Technical Field

The utility model relates to the technical field of spectral analysis, in particular to a sample accurate positioning mechanism applied to a Raman spectrometer.

Background

Raman spectroscopy is a nondestructive and high-sensitivity measurement technology, is widely applied to various fields such as physics, chemistry, biology, mineralogy, materials science, archaeology, industrial product quality control and the like, is a powerful tool for researching molecular structures and configurations, identifying substance components and analyzing structures, and has the characteristics of non-contact and non-destructive test samples, less required sample consumption, short detection time, no need of pre-preparation of the samples and the like.

However, in actual use, because the Raman spectrum generated by the measured sample is very weak, the laser focusing point cannot accurately fall on the measured sample, the collection efficiency of the Raman light intensity is low, the detection time is prolonged, and the detection efficiency of the sample is reduced.

Therefore, it is necessary to invent a sample precision positioning mechanism applied to a raman spectrometer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a sample accurate positioning mechanism applied to a Raman spectrometer, so as to solve the defects in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme: the sample accurate positioning mechanism applied to the Raman spectrometer comprises a placing box, wherein a sliding groove is formed in the bottom of the inner wall of the placing box, a plurality of sliding blocks are connected inside the sliding groove in a sliding mode, a supporting plate is fixedly connected to the tops of the sliding blocks, a threaded block is fixedly connected to the bottom of the supporting plate, and a first threaded rod is connected to the inside of the threaded block in a threaded mode; one end of the first threaded rod is connected with the placing box through a bearing, and the other end of the first threaded rod is fixedly connected with a first rotating block; the sample plate comprises a supporting plate and is characterized in that a sleeve is arranged at the top of the supporting plate, the sleeve is connected with the supporting plate through a bearing, a second threaded rod is in threaded connection with the inside of the sleeve, first conical teeth are fixedly connected to the outer surface of the sleeve, second conical teeth are arranged on one side of the first conical teeth, the first conical teeth are meshed with the second conical teeth, a first telescopic rod is fixedly connected to one side of the second conical teeth, a second rotating block is fixedly connected to one end of the first telescopic rod, scales are arranged on the side surfaces of the first rotating block and the second rotating block, a sample plate is fixedly connected to the top of the second threaded rod, a first placing groove, a second placing groove and a clamping groove are sequentially formed in the top of the sample plate from inside to outside, a solid placing table is arranged at the top of the sample plate and comprises a clamping ring, the clamping ring is movably clamped with the clamping groove, and a flat plate is fixedly connected to the top of the clamping ring, the top of the flat plate is fixedly connected with a boss.

Preferably, first telescopic link output surface is connected with the connecting plate through the bearing, connecting plate and backup pad fixed connection, sample board one side fixedly connected with second telescopic link, second telescopic link one end with place incasement wall sliding connection, it has laser fiber probe to place case one side joint, it has the top cap to place roof portion articulated, the top cap passes through buckle fixed connection with placing the case.

Preferably, the top cap bottom fixedly connected with sealing washer, place the roof portion and seted up the seal groove, sealing washer and seal groove activity joint, place the roof portion and seted up and place the hole.

Preferably, the first placing groove is provided in a circular sectional shape, and the second placing groove is provided in a square sectional shape.

Preferably, the bottom of the placing box is provided with a bottom plate, and a buffer spring is fixedly connected between the placing box and the bottom plate.

Preferably, the number of the sliding blocks is four

Preferably, the bottom of the bottom plate is provided with an anti-slip layer, and the anti-slip layer is made of rubber materials.

Preferably, the raman spectrometer is an ultraviolet raman spectrometer.

Compared with the prior art, the sample precision positioning mechanism is provided with the first placing groove, the second placing groove and the clamping groove, the solid placing table is clamped with the clamping groove, the sample precision positioning mechanism is suitable for different sample containers, the applicability is improved, the second rotating block is rotated to enable the sample plate to move up and down by contrasting scales, laser and a sample are on the same horizontal line, then the first rotating block is rotated to enable the sample plate to move left and right, a laser focusing point can accurately fall on the sample to be detected, the sealing ring is clamped with the sealing groove, the sealing performance and the safety are improved, the sample precision positioning mechanism can enable the sample to be accurately positioned, the sample precision positioning mechanism is suitable for detecting samples in various states, the collection efficiency of Raman light intensity is improved, the detection time is shortened, and the detection efficiency of the sample is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic illustration of the solid placement table of the present invention when not in place;

FIG. 4 is a perspective view of the solid placement table of the present invention;

fig. 5 is a perspective view of another perspective view of the solid stand of the present invention.

Description of reference numerals:

1. placing a box; 2. a chute; 3. a slider; 4. a support plate; 5. a thread block; 6. a first threaded rod; 7. a first rotating block; 8. a sleeve; 9. a second threaded rod; 10. a first conical tooth; 11. a second tapered tooth; 12. a first telescopic rod; 13. a second rotating block; 14. calibration; 15. a sample plate; 16. a first placing groove; 17. a second placing groove; 18. a card slot; 19. a solid placement table; 20. a snap ring; 21. a flat plate; 22. a boss; 23. a laser fiber probe; 24. a top cover; 25. a seal ring; 26. a sealing groove; 27. placing holes; 28. a base plate; 29. a buffer spring; 30. and an anti-slip layer.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The embodiment provides a sample accurate positioning mechanism applied to a Raman spectrometer, as shown in FIGS. 1-5, comprising a placing box 1, wherein a sliding groove 2 is formed at the bottom of the inner wall of the placing box 1, a sliding block 3 is slidably connected inside the sliding groove 2, the number of the sliding blocks 3 is four, four sliding blocks 3 are fixedly connected with a supporting plate 4 at the top, a thread block 5 is fixedly connected with the bottom of the supporting plate 4, internal threads are arranged inside the thread block 5, a first threaded rod 6 is connected with the internal threads of the thread block 5, one end of the first threaded rod 6 is connected with the placing box 1 through a bearing, a first rotating block 7 is fixedly connected with the other end of the first threaded rod 6, a sleeve 8 is arranged at the top of the supporting plate 4, the sleeve 8 is connected with the supporting plate 4 through a bearing, internal threads are arranged inside the sleeve 8, a second threaded rod 9 is connected with the internal threads of the sleeve 8, the outer surface of the sleeve 8 is fixedly connected with a first conical tooth 10, one side of the first conical tooth 10 is provided with a second conical tooth 11, the first conical tooth 10 is meshed with the second conical tooth 11, one side of the second conical tooth 11 is fixedly connected with a first telescopic rod 12, one end of the first telescopic rod 12 is fixedly connected with a second rotating block 13, the side surfaces of the first rotating block 7 and the second rotating block 13 are respectively provided with a scale 14, the top of the second threaded rod 9 is fixedly connected with a sample plate 15, the top of the sample plate 15 is sequentially provided with a first placing groove 16, a second placing groove 17 and a clamping groove 18 from inside to outside, the top of the sample plate 15 is provided with a solid placing table 19, the solid placing table 19 comprises a clamping ring 20, the clamping ring 20 is movably clamped with the clamping groove 18, the top of the clamping ring 20 is fixedly connected with a flat plate 21, and the top of the flat plate 21 is fixedly connected with a boss 22, if the sample container to be measured is a round glass test tube, the sample container to be measured is placed in a first placing groove 16, if the sample container to be measured is a square cuvette, the sample container to be measured is placed in a second placing groove 17, if the sample to be measured is a solid, the sample to be measured is placed on a boss 22, then a clamping ring 20 is clamped with a clamping groove 18, according to the difference of the samples to be measured, a scale 14 is compared, a second conical tooth 11 is rotated by rotating a second rotating block 13, a first conical tooth 10 is meshed with the second conical tooth 11, the first conical tooth 10 is rotated, a sleeve 8 is rotated, a second threaded rod 9 is moved up and down, a sample plate 15 is moved up and down, laser and the sample are on the same horizontal line, then the first threaded rod 6 is rotated by rotating a first rotating block 7, a threaded block 5 drives a support plate 4 to move left and right, the sample plate 15 moves left and right, and a laser focus point can accurately fall on the sample to be measured, this accurate positioning mechanism of sample enables the accurate location of sample, is applicable to and detects multiple state sample, increases the collection efficiency of raman light intensity, reduces check-out time, improves the detection efficiency of sample.

Further, in above-mentioned technical scheme, the surface of the 12 output ends of first telescopic link is connected with the connecting plate through the bearing, connecting plate and 4 fixed connection of backup pad, 15 one side fixedly connected with second telescopic link of sample board, second telescopic link one end with place 1 inner wall sliding connection of case, it has laser fiber probe 23 to place 1 one side joint of case, it has top cap 24 to place 1 top of case, top cap 24 with place 1 case through buckle fixed connection, when using, open top cap 24, place the sample, top cap 24 protects the sample, and improves the accurate positioning mechanism security of this sample, the second telescopic link is spacing to sample board 15.

Further, in the above technical scheme, top cap 24 bottom fixedly connected with sealing washer 25, place case 1 top and seted up seal groove 26, sealing washer 25 and seal groove 26 activity joint, place case 1 top and seted up and place hole 27, when using, open top cap 24, place the sample through placing hole 27, then cover top cap 24, make sealing washer 25 and seal groove 26 joint, improve leakproofness and security.

Further, in above-mentioned technical scheme, 16 cross sectional shape of first standing groove sets up to circular, 17 cross sectional shape of second standing groove sets up to square, if the sample container that awaits measuring is circular glass test tube, then places the sample container that awaits measuring at first standing groove 16, if the sample container that awaits measuring is square cuvette, then places the sample container that awaits measuring at second standing groove 17, improves the accurate positioning mechanism suitability of this sample, is applicable to and detects multiple state sample.

As shown in fig. 1: placing case 1 bottom and being equipped with bottom plate 28, place fixedly connected with buffer spring 29 between case 1 and the bottom plate 28, when using, buffer spring 29 is favorable to buffering external vibrations, provides the protection to the accurate positioning mechanism of this sample, prolongs the accurate positioning mechanism life of this sample.

Further, in the above technical scheme, bottom plate 28 bottom is equipped with skid resistant course 30, skid resistant course 30 is made by rubber materials, and skid resistant course 30 increases frictional force, makes this accurate positioning mechanism of sample more stable, prolongs this accurate positioning mechanism of sample life.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, in use, the top cover 24 is opened, the sample container to be tested is placed in the first placing groove 16 if the sample container to be tested is a round glass test tube, the sample container to be tested is placed in the second placing groove 17 if the sample container to be tested is a square cuvette, the sample to be tested is placed on the boss 22 if the sample to be tested is solid, the snap ring 20 is clamped with the clamping groove 18, the top cover 24 is covered, the sealing ring 25 is clamped with the sealing groove 26, then the scale 14 is compared according to the sample to be tested, the second conical tooth 11 is rotated by rotating the second rotating block 13, the first conical tooth 10 is meshed with the second conical tooth 11, the first conical tooth 10 rotates, the sleeve 8 rotates, the second threaded rod 9 moves up and down, the sample plate 15 moves up and down, the laser and the sample are on the same horizontal line, and then the first rotating block 7 is rotated, the first threaded rod 6 is rotated, the threaded block 5 drives the supporting plate 4 to move left and right, and the sample plate 15 moves left and right, so that a laser focusing point can accurately fall on a tested sample;

referring to the attached drawing 1 of the specification, when the sample positioning mechanism is used, the buffer spring 29 is beneficial to buffering external vibration and protecting the sample positioning mechanism, the anti-skid layer 30 increases friction force, so that the sample positioning mechanism is more stable, and the service life of the sample positioning mechanism is prolonged.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The accurate sample positioning mechanism applied to the Raman spectrometer is characterized by comprising a placing box (1), wherein a sliding groove (2) is formed in the bottom of the inner wall of the placing box (1), a plurality of sliding blocks (3) are connected inside the sliding groove (2) in a sliding manner, a supporting plate (4) is fixedly connected to the tops of the sliding blocks (3), a threaded block (5) is fixedly connected to the bottom of the supporting plate (4), and a first threaded rod (6) is connected to the inner portion of the threaded block (5) in a threaded manner; one end of the first threaded rod (6) is connected with the placing box (1) through a bearing, and the other end of the first threaded rod is fixedly connected with a first rotating block (7); backup pad (4) top is equipped with sleeve pipe (8), sleeve pipe (8) are connected through the bearing with backup pad (4), sleeve pipe (8) inside threaded connection has second threaded rod (9), sleeve pipe (8) surface fixedly connected with first toper tooth (10), first toper tooth (10) one side is equipped with second toper tooth (11), first toper tooth (10) and second toper tooth (11) meshing, second toper tooth (11) one side fixedly connected with first telescopic link (12), first telescopic link (12) one end fixedly connected with second rotation block (13), first rotation block (7) and second rotation block (13) side all are equipped with scale (14), second threaded rod (9) top fixedly connected with sample board (15), first standing groove (16)'s, Second standing groove (17) and draw-in groove (18), sample board (15) top is equipped with the solid and places platform (19), the solid is placed platform (19) and is included snap ring (20), snap ring (20) and draw-in groove (18) activity joint, snap ring (20) top fixedly connected with is dull and stereotyped (21), dull and stereotyped (21) top fixedly connected with boss (22).

2. The accurate positioning mechanism of sample for raman spectrometer of claim 1, wherein: first telescopic link (12) output surface is connected with the connecting plate through the bearing, connecting plate and backup pad (4) fixed connection, sample board (15) one side fixedly connected with second telescopic link, second telescopic link one end with place case (1) inner wall sliding connection, it has laser fiber probe (23) to place case (1) one side joint, it has top cap (24) to place case (1) top articulated, top cap (24) with place case (1) and pass through buckle fixed connection.

3. The accurate positioning mechanism of sample for raman spectrometer of claim 2, wherein: top cap (24) bottom fixedly connected with sealing washer (25), place case (1) top and seted up seal groove (26), sealing washer (25) and seal groove (26) activity joint, place case (1) top and seted up and place hole (27).

4. The accurate positioning mechanism of sample for raman spectrometer of claim 1, wherein: the cross section of the first placing groove (16) is round, and the cross section of the second placing groove (17) is square.

5. The accurate positioning mechanism of sample for raman spectrometer of claim 1, wherein: the bottom of the placing box (1) is provided with a bottom plate (28), and a buffer spring (29) is fixedly connected between the placing box (1) and the bottom plate (28).

6. The accurate positioning mechanism of sample for Raman spectrometer of claim 5, wherein: the anti-skid floor is characterized in that an anti-skid layer (30) is arranged at the bottom of the bottom plate (28), and the anti-skid layer (30) is made of rubber materials.

7. The accurate positioning mechanism of sample for raman spectrometer of claim 1, wherein: the number of the sliding blocks (3) is four.

8. The accurate positioning mechanism of sample for raman spectrometer of claim 1, wherein: the Raman spectrometer is an ultraviolet Raman spectrometer.