Focusing platform device for Raman spectrometer

Abstract

The utility model relates to the technical field of Raman spectrometers, and discloses a focusing platform device for a Raman spectrometer, which comprises a working table and an observation vessel, a threaded rod is rotatably connected inside the working table, a moving block is in threaded connection with the outer wall of the threaded rod, a moving plate is fixedly connected with the upper surface of the moving block, and the moving plate is in threaded connection with the observation vessel. A lifting plate is arranged on the upper surface of the moving plate, a second marking block is fixedly connected to the upper surface of the lifting plate, a lifting assembly is arranged on the upper surface of the moving plate and used for adjusting the position of the lifting plate up and down, the lifting assembly comprises a connecting box, and the lower surface of the connecting box is fixedly connected to the upper surface of the moving plate. A rack is slidably connected into the connecting box. According to the utility model, the accurate adjustment of the positions of the observation vessel in the horizontal direction and the vertical direction is realized, the detection accuracy of the Raman spectrometer is favorably improved, meanwhile, the position deviation of the observation vessel in the focusing operation process is avoided, and the accuracy of a measurement result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a focusing platform device for raman spectrometer belongs to raman spectrometer technical field. BACKGROUND

[0002] Raman spectrometer occupies an important position in modern scientific research and industrial production, is widely used in chemistry, material science, biomedical and many other fields, and its working principle is based on raman scattering effect, obtains molecular structure and chemical composition information through detecting raman scattering light generated by sample molecule after laser excitation, and in the operation process of raman spectrometer, the focusing operation of the sample is one of the key links to ensure the accuracy and reliability of detection.

[0003] When raman spectrometer analyzes sample, only when the sample is in the accurate focal position of the optical path system, the strongest and most accurate raman signal can be obtained, at this time, the focusing platform device is particularly important, the position of the sample in the optical path can be accurately adjusted through the focusing platform device, the laser accurately irradiates the sample, and the scattered light is efficiently collected and detected, so as to improve the quality and accuracy of spectrum acquisition.

[0004] However, the traditional focusing platform device has many limitations in the adjustment mode of observing the position of the sample during use, in the horizontal direction, some devices usually adopt a relatively simple manual pushing or rough guide rail sliding mode to adjust the position of the observation sample, this mode lacks accurate displacement control mechanism, and the operator is difficult to accurately judge the moving distance of the observation sample, accurate positioning cannot be realized, at the same time, in the vertical direction, the adjustment precision is insufficient, most of the existing technologies are not equipped with effective vertical position adjustment auxiliary device, the operator only adjusts the sample height by experience and naked eye observation, it is difficult to accurately align the sample with the optical path system of the spectrometer, thereby reducing the accuracy of raman spectrometer detection. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a focusing platform device for raman spectrometer, which aims at improving the many limitations of the adjustment mode of observing the position of the sample during use of the traditional focusing platform device for raman spectrometer, so as to accurately align the sample with the optical path system of the spectrometer, and further reduce the accuracy of raman spectrometer detection.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of focusing platform device for raman spectrometer, including workbench and observation dish, the workbench inside rotationally connected with threaded rod, the threaded rod outer wall is connected with moving block, the moving block upper surface is fixedly connected with moving plate, the moving plate upper surface is provided with lifting plate, the lifting plate upper surface is fixedly connected with mark block two, the moving plate upper surface is provided with lifting assembly, the lifting assembly is used to adjust the position of lifting plate up and down, the lifting assembly includes connecting box, the connecting box lower surface is fixedly connected on the moving plate upper surface, the connecting box inside is slidably connected with rack, the rack outer wall one side is fixedly connected with connecting piece, the connecting piece outer wall one side is fixedly connected on the lifting plate outer wall one side, the connecting box outer wall one side is fixedly connected with fixed box, the fixed box inside is provided with connecting rod, the connecting rod outer wall is fixedly connected with gear, the gear is meshed with the rack.

[0007] Further, the gear outer wall one side is fixedly connected with docking block, the fixed box inner wall is fixedly connected with docking head, the docking head can be matched with the docking head, to achieve the purpose of gear self-locking.

[0008] Further, the lifting plate inside is provided with placing groove, and the placing groove is used to place the observation dish.

[0009] Further, the lifting plate inside is fixedly connected with spring, and one end of the spring is fixedly connected with connecting block.

[0010] Further, the connecting block outer wall one side is fixedly connected with clamping bead, and the observation dish inside is provided with clamping groove.

[0011] Further, the clamping bead is used to be clamped with the clamping groove.

[0012] Further, the moving plate inside is fixedly connected with mark block one, and the workbench upper surface is fixedly connected with scale plate.

[0013] Further, the threaded rod inside is fixedly connected with handle, and the connecting rod outer wall one side is fixedly connected with rotary disc.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model discloses a movable block and movable plate horizontal movement are driven to the screw rod rotation through the rotation of the handle, and then can accurately control the horizontal movement distance of movable plate through the scale board and mark block one, and then realizes the accurate adjustment to the horizontal position of observation dish, drives the connecting rod and gear rotation through the rotation of the carousel, and the meshing of gear and rack makes the up-down movement of lifting plate, and then can accurately control the vertical movement distance of lifting plate through the relative position of the scale line outside the fixed box and mark block two, thereby realizes the accurate adjustment to the vertical position of observation dish, and it is helpful to improve the accuracy of raman spectrometer detection.

[0016] 2. The utility model discloses a setting of the placing groove in the lifting plate, when placing observation dish, can make the clamping bead into the clamping groove through the elastic force of spring, thereby firmly fixed observation dish on the lifting plate, avoids the position deviation of observation dish in the focusing operation process, ensures the accuracy of measurement result, when needing to dismount and clean observation dish, rotates observation dish, the clamping groove will exert torsional force to clamping bead at this moment, thereby makes clamping bead separate from the clamping groove, and then releases the locking to observation dish, can conveniently take out observation dish from the placing groove, simple operation is convenient, and the practicality of device is improved greatly. DRAWINGS

[0017] Figure 1 It is a kind of focusing platform device for raman spectrometer's three-dimensional structure schematic diagram that the utility model proposes;

[0018] Figure 2 It is the movable plate part structure schematic diagram of the focusing platform device for raman spectrometer that the utility model proposes;

[0019] Figure 3 It is the lifting plate part structure schematic diagram of the focusing platform device for raman spectrometer that the utility model proposes;

[0020] Figure 4 It is the rack part structure schematic diagram of the focusing platform device for raman spectrometer that the utility model proposes;

[0021] Figure 5 It is the spring part structure schematic diagram of the focusing platform device for raman spectrometer that the utility model proposes.

[0022] Legend:

[0023] 1, workbench; 2, rotating handle; 3, threaded rod; 4, moving plate; 5, lifting plate; 6, observation dish; 7, connecting box; 8, fixed box; 9, rack; 10, connecting piece; 11, gear; 12, connecting rod; 13, butt joint block; 14, butt joint; 15, rotating disc; 16, clamping groove; 17, spring; 18, connecting block; 19, clamping bead; 20, placing groove; 21, mark block one; 22, mark block two; 23, scale plate; 24, moving block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Referring to Figure 1 - Figure 2 An embodiment provided by the utility model: a focusing platform device for a Raman spectrometer, comprising a workbench 1 and an observation dish 6, the workbench 1 is internally rotatably connected with a threaded rod 3, the threaded rod 3 is internally fixedly connected with a rotating handle 2, first, the focusing platform device is correctly installed on the Raman spectrometer, ensuring that it is aligned with the optical path system of the spectrometer, then the sample to be detected is placed in the observation dish 6 of the focusing platform, the threaded rod 3 is externally threadedly connected with a moving block 24, the moving block 24 is fixedly connected with a moving plate 4 on the upper surface, the moving plate 4 is provided with a lifting plate 5 on the upper surface, the moving plate 4 is internally fixedly connected with a mark block one 21, the workbench 1 is fixedly connected with a scale plate 23 on the upper surface, then the rotating handle 2 can be rotated, the threaded rod 3 is driven to rotate in the workbench 1 by the rotating handle 2, and the moving block 24 externally threadedly connected with the threaded rod 3 can be driven to move horizontally, and the moving plate 4 is driven to move in the horizontal direction, when the moving plate 4 moves, the relative position of the scale plate 23 above the workbench 1 and the mark block one 21 in the moving plate 4 is observed, the horizontal moving distance of the moving plate 4 can be accurately controlled, so that the precise adjustment of the horizontal position of the observation dish 6 is realized.

[0026] Referring to Figure 2 - Figure 4The upper surface of the moving plate 4 is provided with a lifting assembly for up and down adjusting the position of the lifting plate 5, the lifting assembly comprises a connecting box 7, the lower surface of the connecting box 7 is fixedly connected to the upper surface of the moving plate 4, the outer wall of the connecting box 7 is fixedly connected with a fixed box 8, the fixed box 8 is internally provided with a connecting rod 12, the outer wall of the connecting rod 12 is fixedly connected with a rotating disc 15, when it is needed to longitudinally adjust the observation dish 6, the rotating disc 15 is first rotated, the connecting rod 12 can be driven to rotate in the fixed box 8 through the rotating disc 15, at this time, the gear 11 on the outer wall of the connecting rod 12 rotates together with the connecting rod 12, and the gear 11 is meshingly arranged with the rack 9, when the gear 11 rotates, the rack 9 can be driven to slide up and down in the connecting box 7, at this time, the rack 9 can drive the lifting plate 5 to move up and down through the connecting piece 10, thereby realizing the adjustment of the vertical position of the observation dish 6, the connecting box 7 is internally slidably connected with the rack 9, the outer wall of the rack 9 is fixedly connected with the connecting piece 10, the outer wall of the connecting piece 10 is fixedly connected to the outer wall of the lifting plate 5, the outer wall of the connecting rod 12 is fixedly connected with the gear 11, the gear 11 is meshingly connected with the rack 9, the upper surface of the lifting plate 5 is fixedly connected with a mark block two 22, the relative position between the scale line outside the fixed box 8 and the mark block two 22 above the lifting plate 5 can be observed, the vertical moving distance of the lifting plate 5 can be accurately controlled, the outer wall of the gear 11 is fixedly connected with a butt joint block 13, the inner wall of the fixed box 8 is fixedly connected with a butt joint 14, the butt joint 14 can cooperate with the butt joint 14, when the lifting plate 5 is adjusted to the appropriate height, the connecting rod 12 can be pulled outwards, at this time, the butt joint block 13 outside the gear 11 can be butt jointed with the butt joint 14 on the inner wall of the fixed box 8, thereby achieving the self-locking purpose of the gear 11, and the lifting plate 5 is stably positioned at the current height position.

[0027] Referring to Figure 4 - Figure 5The inside of the lifting plate 5 is provided with a placing groove 20 for placing the observation dish 6. The inside of the lifting plate 5 is fixedly connected with a spring 17. One end of the spring 17 is fixedly connected with a connecting block 18. The outer wall of the connecting block 18 is fixedly connected with a clamping bead 19. The inside of the observation dish 6 is provided with a clamping groove 16. The clamping bead 19 is used for clamping connection with the clamping groove 16. The observation dish 6 is placed in the placing groove 20 in the inside of the lifting plate 5. At this time, under the elastic force of the spring 17, the clamping bead 19 is clamped into the clamping groove 16 in the inside of the observation dish 6. Therefore, the observation dish 6 is fixed on the lifting plate 5, so that the observation dish 6 is prevented from being deviated in position during the focusing operation, and the measurement accuracy is ensured. When it is necessary to disassemble and clean the observation dish 6, the observation dish 6 can be rotated first. At this time, the clamping groove 16 applies a torsional force to the clamping bead 19. Under the action of the torsional force of the clamping groove 16, the clamping bead 19 moves to the inside of the lifting plate 5 against the elastic force of the spring 17. Therefore, the clamping bead 19 is gradually separated from the clamping groove 16. When the clamping bead 19 is completely separated from the clamping groove 16, the locking of the observation dish 6 is released. At this time, the observation dish 6 can be taken out from the placing groove 20 in the inside of the lifting plate 5, and the disassembly operation of the observation dish 6 is completed.

[0028] Working principle: when using the device, first, the focusing platform device is correctly installed on the Raman spectrometer, and it is ensured that it is aligned with the optical path system of the spectrometer, then the sample to be detected is placed in the observation dish 6 of the focusing platform, then the handle 2 can be rotated, the threaded rod 3 is driven to rotate in the workbench 1, and through the rotation of the threaded rod 3, the moving block 24 screw-connected to the outer wall thereof can be driven to move horizontally, and in turn the moving plate 4 is moved in the horizontal direction. When the moving plate 4 moves, the relative position between the scale plate 23 above the workbench 1 and the mark block one 21 in the moving plate 4 can be observed, so that the horizontal movement distance of the moving plate 4 can be accurately controlled, thereby the precise adjustment of the horizontal position of the observation dish 6 is realized.

[0029] When it is necessary to longitudinally adjust the observation dish 6, the rotating disc 15 is first rotated, the connecting rod 12 is driven to rotate in the fixed box 8, at this time, the gear 11 on the outer wall of the connecting rod 12 rotates together with the connecting rod 12, and through the meshing arrangement of the gear 11 and the rack 9, when the gear 11 rotates, the rack 9 is driven to slide up and down in the connecting box 7, at this time, the rack 9 can drive the lifting plate 5 to move up and down through the connecting piece 10, thereby the adjustment of the vertical position of the observation dish 6 is realized. The relative position between the scale line outside the fixed box 8 and the mark block two 22 above the lifting plate 5 can be observed, so that the vertical movement distance of the lifting plate 5 can be accurately controlled. When the lifting plate 5 is adjusted to the appropriate height, the connecting rod 12 can be pulled outwards, at this time, the butt joint block 13 outside the gear 11 can be butt-jointed with the butt joint 14 on the inner wall of the fixed box 8, thereby the self-locking of the gear 11 is achieved, so that the lifting plate 5 is stably positioned at the current height position.

[0030] The observation dish 6 is placed in the placing groove 20 in the lifting plate 5, at this time, the clamping beads 19 are clamped in the clamping grooves 16 in the observation dish 6 under the elastic force of the springs 17, so that the observation dish 6 is fixed on the lifting plate 5, avoiding the position deviation of the observation dish 6 during the focusing operation, and ensuring the accuracy of the measurement, when the observation dish 6 needs to be disassembled and cleaned, the observation dish 6 can be rotated first, at this time, the clamping grooves 16 exert a torsional force on the clamping beads 19, under the action of the torsional force of the clamping grooves 16, the clamping beads 19 move to the inside of the lifting plate 5 against the elastic force of the springs 17, so as to gradually separate from the clamping grooves 16, when the clamping beads 19 completely separate from the clamping grooves 16, the locking of the observation dish 6 is released, at this time, the observation dish 6 can be taken out from the placing groove 20 in the lifting plate 5, and the disassembly operation of the observation dish 6 is completed.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A focusing stage device for a Raman spectrometer comprising a stage (1) and a viewing dish (6), characterised in that: The workbench (1) is internally rotatably connected with a threaded rod (3), the outer wall of the threaded rod (3) is threadedly connected with a moving block (24), the upper surface of the moving block (24) is fixedly connected with a moving plate (4), the upper surface of the moving plate (4) is provided with a lifting plate (5), the upper surface of the lifting plate (5) is fixedly connected with a mark block two (22), the upper surface of the moving plate (4) is provided with a lifting assembly, and the lifting assembly is used for adjusting the position of the lifting plate (5) up and down. The lifting assembly comprises a connecting box (7), the lower surface of the connecting box (7) is fixedly connected to the upper surface of the moving plate (4), the connecting box (7) is internally and slidably connected with a rack (9), one side of the outer wall of the rack (9) is fixedly connected with a connecting piece (10), one side of the outer wall of the connecting piece (10) is fixedly connected to one side of the outer wall of the lifting plate (5), one side of the outer wall of the connecting box (7) is fixedly connected with a fixed box (8), the fixed box (8) is internally provided with a connecting rod (12), the outer wall of the connecting rod (12) is fixedly connected with a gear (11), and the gear (11) is in meshing connection with the rack (9).

2. A focusing stage device for a Raman spectrometer according to claim 1, characterized in that: One side of the outer wall of the gear (11) is fixedly connected with a butt joint block (13), the inner wall of the fixed box (8) is fixedly connected with a butt joint (14), the butt joint (14) can cooperate with the butt joint (14), and the purpose of self-locking of the gear (11) is achieved.

3. The focusing stage device for a Raman spectrometer of claim 1, wherein: The lifting plate (5) is internally provided with a placing groove (20), and the placing groove (20) is used for placing an observation dish (6).

4. The focusing stage device for a Raman spectrometer of claim 1, wherein: The lifting plate (5) is internally fixedly connected with a spring (17), one end of the spring (17) is fixedly connected with a connecting block (18).

5. A focusing stage device for a Raman spectrometer according to claim 4, wherein: One side of the outer wall of the connecting block (18) is fixedly connected with a clamping bead (19), and the observation dish (6) is internally provided with a clamping groove (16).

6. A focusing stage device for a Raman spectrometer according to claim 5, wherein: The clamping bead (19) is used for clamping the clamping groove (16).

7. The focusing stage device for a Raman spectrometer of claim 1, wherein: The moving plate (4) is internally fixedly connected with a mark block one (21), and the upper surface of the workbench (1) is fixedly connected with a scale plate (23).

8. The focusing stage device for a Raman spectrometer of claim 1, wherein: The threaded rod (3) is internally fixedly connected with a rotating handle (2), and one side of the outer wall of the connecting rod (12) is fixedly connected with a rotating disc (15).

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