CN215678104U

CN215678104U - Multi-axis positioning device for laser Raman spectrometer

Info

Publication number: CN215678104U
Application number: CN202121162977.5U
Authority: CN
Inventors: 刘艳
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-28
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a multi-axis positioning device for a laser Raman spectrometer, which comprises a base, wherein an arc rod is arranged at the top of the base, an arc sleeve is sleeved on the arc rod in a sliding manner, a supporting shaft column is fixedly connected to the bottom of the arc sleeve, the bottom end of the supporting shaft column is rotatably connected with the base through a bearing, a bearing ring is arranged at the top of an inner cavity of the arc rod, rotary positioning mechanisms are arranged on the left side and the right side of the outer wall of the bearing ring, the supporting and positioning mechanisms are symmetrically arranged on the left side and the right side of the inner cavity of the bearing ring, a working circular table is arranged at the bottom of the base, first limiting screws are screwed on the left side and the right side of the bottom of the arc sleeve, and the first limiting screws extend into the inner cavity of the arc sleeve. The device has reasonable structural design and convenient use, can turn the glass slide up and down, left and right and horizontally rotate, and is favorable for 360-degree full-view observation of the light rays irradiating the sample.

Description

Multi-axis positioning device for laser Raman spectrometer

Technical Field

The utility model relates to the technical field of laser confocal Raman spectrometers, in particular to a multi-axis positioning device for a laser Raman spectrometer.

Background

The laser confocal Raman spectrometer mainly comprises a laser generator, a microscope, a spectrometer, a detector and a matched control system, wherein the laser excitation wavelength of the Raman spectrometer can be set to be 532nm, 633nm and other wave bands, the focal length can reach 800mm, and the Raman spectrometer is one of mainstream instruments with high resolution in the market at present. The laser Raman spectrometer analysis is a non-destructive micro-area analysis means, and liquid, powder and various solid samples can be used for Raman spectrum determination without special treatment. Raman spectroscopy can be used alone or in combination with other techniques (e.g., X-ray diffraction spectroscopy, infrared absorption spectroscopy, neutron scattering, etc.) to facilitate the determination of ion, molecular species, and material structure. The application of the method is mainly to analyze the molecular composition, the structure, the relative content and the like of various solid, liquid and gaseous substances so as to realize the identification and the qualification of the substances.

When using laser confocal raman spectroscopy to slide glass to polish at present, lie slide glass on the work round platform usually, just so can't carry out the operation of upset from top to bottom, upset and horizontal rotation to slide glass, because sample detection time, light is just beaten from the instrument, therefore the camera lens light of spectrum appearance is not convenient for 360 and shines on the sample to can't observe mineral crystal's structure, influence detection effect.

Based on this, in order to be more favorable to studying the full angle structure of mineral sample, the technical staff in the field urgently needs to provide a multiaxis positioner that laser raman spectroscopy used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems in the prior art and provides a multi-axis positioning device for a laser Raman spectrometer, which is convenient for carrying out axial overturning and horizontal rotation on a glass slide and is more beneficial to observing the structure of a slice sample, particularly a mineral crystal.

In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:

a multi-axis positioning device for a laser Raman spectrometer comprises a base, wherein an arc rod is arranged at the top of the base, an arc sleeve is sleeved on the arc rod in a sliding mode, a supporting shaft column is fixedly connected to the bottom of the arc sleeve, and the bottom end of the supporting shaft column is rotatably connected with the base through a bearing;

the inner chamber top of circular arc pole is equipped with bears the ring, and the outer wall left and right sides that bears the ring all is equipped with rotary positioning mechanism, and the inner chamber left and right sides symmetry that bears the ring is equipped with supports positioning mechanism, and the bottom of base is equipped with the work round platform, and the equal spiro union in bottom left and right sides of circular arc cover has first stop screw, and first stop screw stretches into the inner chamber of circular arc cover.

Preferably, the rotary positioning mechanism comprises a cylindrical sleeve and a supporting cylinder, one end of the supporting cylinder extends into an inner cavity of the cylindrical sleeve, the other end of the supporting cylinder is fixedly connected with the arc rod, one end of the supporting cylinder extending into the inner cavity of the cylindrical sleeve is rotatably connected with a short shaft, the short shaft is fixedly connected with the cylindrical sleeve, and one end, far away from the supporting cylinder, of the cylindrical sleeve is fixedly connected with the bearing ring.

Based on the technical characteristics, the cylinder sleeve can be conveniently rotated and adjusted on the supporting cylinder.

Preferably, the top of the cylindrical sleeve is in threaded connection with a second limit screw, and the second limit screw extends into the inner cavity of the cylindrical sleeve.

Based on the technical characteristics, the position of the cylindrical sleeve after rotation adjustment on the support cylinder is convenient to limit and fix.

Preferably, the supporting and positioning mechanism comprises a prism sleeve and a prism rod, one end of the prism rod extends into the inner cavity of the prism sleeve, the other end of the prism rod is fixedly connected with a right-angle supporting block, one end, far away from the right-angle supporting block, of the prism sleeve is fixedly connected with the bearing ring, the top of the prism sleeve is in threaded connection with a third limiting screw, and the third limiting screw extends into the inner cavity of the prism sleeve.

Based on the technical characteristics, the position of the prism rod after being adjusted in the prism sleeve in a telescopic mode is convenient to limit and fix.

Preferably, the bottom of the base is provided with a permanent magnet block, and the base is adsorbed with the working circular table through the permanent magnet block.

Based on the technical characteristics, the base is convenient to adsorb, fix and remove on the working round table.

Preferably, the left side wall and the right side wall of the arc rod are symmetrically provided with arc chutes, and the left side wall and the right side wall of the inner cavity of the arc sleeve are symmetrically provided with arc sliding blocks matched with the arc chutes and slide along the arc chutes through the arc sliding blocks.

Based on the technical characteristics, the arc rod can be conveniently adjusted to slide on the arc sleeve along the arc direction of the arc rod.

Preferably, one side of the arc rod is provided with a handle, and the handle penetrates through the arc rod and coaxially rotates with the supporting cylinder.

More preferably, the other side of the arc rod is provided with angle scales, the center of the angle scales is provided with a rotatable pointer, the pointer is fixedly connected to the outer wall of the arc rod, and the pointer and a support cylinder penetrating through the arc rod rotate coaxially.

Based on the technical characteristics, the rotation or overturning angle can be adjusted conveniently and accurately.

Compared with the prior art, the auxiliary positioning device for the laser Raman spectrometer provided by the utility model has the following beneficial effects:

the utility model has reasonable structural design and convenient use, and has the following characteristics:

firstly, the slide glass can be conveniently adjusted in a 360-degree rotation manner in the horizontal direction through the rotation fit of the supporting shaft column and the base;

secondly, the glass slide can be fixed in the bearing ring in parallel with the bearing ring through the supporting and positioning mechanism, and the bearing ring is rotated on the arc rod through the rotating and positioning mechanism, so that the glass slide can be conveniently turned and adjusted up and down;

thirdly, the method comprises the following steps: slide along its circular arc direction on the circular arc cover through bearing the ring, be convenient for to the slide glass about upset adjust, be favorable to the camera lens light of spectrum appearance can 360 shine the sample on, carry out the observation at 360 full visual angles, improve sample detection effect.

Of course, the device of the present invention does not necessarily need to be implemented with horizontal rotation and axial inversion at the same time, and all or part of the rotation function can be implemented according to the actual measurement requirement of the sheet sample, so as to meet the observation requirement of 360 ° or part of the angle.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a use state of the present invention;

FIG. 2 is a front view of FIG. 1 of the present invention;

FIG. 3 is a left side cross-sectional view of FIG. 2 of the present invention;

FIG. 4 is an enlarged view of a portion of the utility model shown in FIG. 3 at position A;

FIG. 5 is a schematic structural diagram of the rotational positioning mechanism of the present invention;

FIG. 6 is a schematic structural diagram of the supporting and positioning mechanism of the present invention;

fig. 7 is a schematic structural view of the angle scale of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-arc rod, 3-arc sleeve, 301-arc slide block, 4-support shaft column, 5-rotary positioning mechanism, 501-support cylinder, 502-second limit screw, 503-short shaft, 504-cylinder sleeve, 6-bearing ring, 7-arc chute, 8-support positioning mechanism, 801-prism sleeve, 802-third limit screw, 803-prism rod, 804-right-angle support block, 9-first limit screw, 10-working circular table, 11-angle scale, 12-pointer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The utility model provides a multi-axis positioning assisting device for a laser Raman spectrometer, which comprises a base 1, wherein the top of the base 1 is provided with an arc rod 2, an arc sleeve 3 is sleeved on the arc rod 2 in a sliding manner, arc chutes 7 are symmetrically formed in the left side wall and the right side wall of the arc rod 2, arc sliding blocks 301 matched with the arc chutes 7 are symmetrically arranged on the left side wall and the right side wall of an inner cavity of the arc sleeve 3, the arc sliding blocks 301 slide along the arc chutes 7 to facilitate sliding adjustment of the arc rod 2 on the arc sleeve 3 along the arc direction of the arc rod (see figures 3 and 4), a supporting shaft column 4 is fixedly connected to the bottom of the arc sleeve 3, and the bottom end of the supporting shaft column 4 is rotatably connected with the base 1 through a bearing (see figure 1).

The bottom of the base 1 is provided with a permanent magnet block, the base 1 is adsorbed with the working circular truncated cone 10 through the permanent magnet block, so that the base 1 can be conveniently adsorbed, fixed and detached on the working circular truncated cone 10, the top of the inner cavity of the arc rod 2 is provided with a bearing ring 6, the left side and the right side of the outer wall of the bearing ring 6 are respectively provided with a rotary positioning mechanism 5, the rotary positioning mechanism 5 comprises a cylindrical sleeve 504 and a supporting cylinder 501, one end of the supporting cylinder 501 extends into the inner cavity of the cylindrical sleeve 504, the other end of the supporting cylinder 501 is fixedly connected with the arc rod 2, one end of the supporting cylinder 501 extending into the inner cavity of the cylindrical sleeve 504 is rotatably connected with a short shaft 503, the short shaft 503 is fixedly connected with the cylindrical sleeve 504, one end of the cylindrical sleeve 504 far away from the supporting cylinder 501 is fixedly connected with the bearing ring 6, so that the cylindrical sleeve 504 can be conveniently rotatably adjusted on the supporting cylinder 501, the top of the cylindrical sleeve 504 is in threaded connection with a second limit screw 502, and the second limit screw 502 extends into the inner cavity of the cylindrical sleeve 504, it is convenient for carry out spacing fixedly to the position of cylinder cover 504 after the rotation regulation on support cylinder 501 (see fig. 5), bear the inner chamber left and right sides symmetry of ring 6 and be provided with support positioning mechanism 8, support positioning mechanism 8 and include prism cover 801 and prismatic pole 803, the inner chamber of prism cover 801 is stretched into to the one end of prismatic pole 803, the other end rigid coupling of prismatic pole 803 has right angle supporting shoe 804, the one end that prismatic cover 801 kept away from right angle supporting shoe 804 with bear ring 6 looks rigid coupling, the top threaded connection of prismatic cover 801 has third stop screw 802, and third stop screw 802 stretches into the inner chamber of prism cover 801, be convenient for carry out spacing fixedly to the position of prismatic pole 803 after carrying out telescopic regulation in prismatic cover 801 (see fig. 6).

The bottom of the base 1 is provided with a working circular truncated cone 10, the left side and the right side of the bottom of the circular arc sleeve 3 are respectively screwed with a first limit screw 9, and the first limit screws 9 extend into the inner cavity of the circular arc sleeve 3 (see figure 2).

In the utility model, a handle can be arranged on one side of the arc rod 2, and the handle penetrates through the arc rod 2 and coaxially rotates with the support cylinder 501; the other side (the side that deviates from support cylinder 501) of arc pole 2 is equipped with angle scale 11, and the center of angle scale 11 is equipped with rotatable pointer 12, and pointer 12 rigid coupling is in the outer wall of arc pole 2, and pointer 12 and the coaxial rotation of support cylinder 501 who link up arc pole 2 (see fig. 7). Therefore, the rotation angle can be controlled more accurately, and the crystal structure can be observed with high precision.

Application example 1

Based on the foregoing embodiment 1, an application example of the present invention in a working process is:

firstly, in the two groups of supporting and positioning mechanisms 8, the prism rod 803 is telescopically adjusted in the prism sleeve 801, so that the two groups of right-angle supporting blocks 804 are further adjusted to be away from and close to each other, and after the proper positions are adjusted, the glass slide is placed between the two groups of supporting blocks 804 and clamped;

then, in each set of supporting and positioning mechanisms 8, the third limiting screw 802 is screwed and screwed on the prism sleeve 801 to limit and fix the prism rod 803 in the prism sleeve 801, so that the two sets of right-angle supporting blocks 804 clamp and fix the glass slide in the bearing ring 6 in parallel with the glass slide, the glass slide is supported by the right-angle supporting blocks 804, the glass slide is rotated on the supporting cylinder 501 through the short shaft 503 to drive the cylinder sleeve 504 to rotate on the supporting cylinder 501, and the glass slide and the bearing ring 6 are further driven to rotate together on the arc rod 2 along the axial direction of the short shaft 503, so that the glass slide can be turned and adjusted up and down conveniently;

secondly, the second limit screw 502 is screwed on the cylindrical sleeve 504 to facilitate limiting and fixing the bearing ring 6 which is turned over up and down along with the slide glass, and the arc rod 2 slides left and right on the arc sleeve 3 along the arc direction of the arc rod, so that the slide glass can be turned over and adjusted left and right;

finally, through screwing up and screwing up first stop screw 9 on circular arc cover 3, be convenient for carry out spacing fixed to the position of circular arc pole 2 after the horizontal slip on circular arc cover 3, through rotating support jack-post 4 on base 1 to be convenient for carry out 360 rotatory regulations of level to the slide glass, the synergism of above-mentioned mechanism is favorable to being in the camera lens light of work round platform top can 360 on shining the sample simultaneously, with the structure of observing mineral crystal, improve the sample and detect the precision.

The preferred embodiments of the utility model have been disclosed merely to aid in the explanation of the utility model and are not intended to detail all of the details of the utility model or to limit the utility model to the particular embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. All equivalent changes and modifications made in accordance with the claims of the present invention should be considered as falling within the scope of the present invention.

Claims

1. The utility model provides a multiaxis positioner that laser raman spectroscopy used, includes base (1), its characterized in that: the top of the base (1) is provided with an arc rod (2), an arc sleeve (3) is sleeved on the arc rod (2) in a sliding manner, the bottom of the arc sleeve (3) is fixedly connected with a support shaft column (4), and the bottom end of the support shaft column (4) is rotatably connected with the base (1) through a bearing;

the inner chamber top of arc pole (2) is equipped with bears ring (6), the outer wall left and right sides that bears ring (6) all is equipped with rotary positioning mechanism (5), the inner chamber left and right sides symmetry that bears ring (6) is equipped with supports positioning mechanism (8), the bottom of base (1) is equipped with work round platform (10), the equal spiro union in bottom left and right sides of circular arc cover (3) has first stop screw (9), and first stop screw (9) stretch into the inner chamber of circular arc cover (3).

2. The multi-axis positioning device for a laser raman spectrometer of claim 1, wherein: the rotary positioning mechanism (5) comprises a cylindrical sleeve (504) and a supporting cylinder (501), one end of the supporting cylinder (501) extends into an inner cavity of the cylindrical sleeve (504), the other end of the supporting cylinder (501) is fixedly connected with an arc rod (2), one end of the supporting cylinder (501) extending into the inner cavity of the cylindrical sleeve (504) is rotatably connected with a short shaft (503), the short shaft (503) is fixedly connected with the cylindrical sleeve (504), and one end, far away from the supporting cylinder (501), of the cylindrical sleeve (504) is fixedly connected with a bearing ring (6).

3. The multi-axis positioning device for a laser raman spectrometer of claim 2, wherein: the top of the cylindrical sleeve (504) is in threaded connection with a second limit screw (502), and the second limit screw (502) extends into the inner cavity of the cylindrical sleeve (504).

4. The multi-axis positioning device for a laser raman spectrometer of claim 1, wherein: the supporting and positioning mechanism (8) comprises a prism sleeve (801) and a prism rod (803), one end of the prism rod (803) extends into an inner cavity of the prism sleeve (801), the other end of the prism rod (803) is fixedly connected with a right-angle supporting block (804), one end, far away from the right-angle supporting block (804), of the prism sleeve (801) is fixedly connected with a bearing ring (6), the top of the prism sleeve (801) is in threaded connection with a third limiting screw (802), and the third limiting screw (802) extends into the inner cavity of the prism sleeve (801).

5. The multi-axis positioning device for a laser raman spectrometer of claim 1, wherein: the bottom of the base (1) is provided with a permanent magnet block, and the base (1) is adsorbed with the working circular table (10) through the permanent magnet block.

6. The multi-axis positioning device for a laser raman spectrometer of claim 1, wherein: the arc chute (7) has been seted up to the left and right sides wall symmetry of arc pole (2), the inner chamber left and right sides wall symmetry of circular arc cover (3) is equipped with circular arc slider (301) with circular arc chute (7) matched with.

7. The multi-axis positioning device for a laser raman spectrometer of claim 2, wherein: one side of the arc rod (2) is provided with a handle, and the handle penetrates through the arc rod (2) and coaxially rotates with the supporting cylinder (501).

8. The multi-axis positioning device for a laser raman spectrometer of claim 7, wherein: the other side of arc pole (2) is equipped with angle scale (11), and the center of angle scale (11) is equipped with pointer (12), and pointer (12) rigid coupling is in the outer wall of arc pole (2), and pointer (12) and support cylinder (501) coaxial rotation that link up arc pole (2).