Sample presser for analyzing solid sample through near infrared spectroscopy

Abstract

The utility model discloses a sample presser for near-infrared spectroscopic analysis of solid samples, which comprises a fixing seat, one end of the top of the fixing seat is fixedly connected with a fixing block, the other end of the top of the fixing seat is fixedly connected with a support frame, one end of the top of the support frame is fixedly connected with a cylinder, and the cylinder is fixedly connected with a screw. The device comprises a fixed seat, a fixed block, a supporting frame, an air cylinder, a piston rod extending out of the air cylinder is arranged in the air cylinder, a pressing block is fixedly connected to the bottom of the piston rod, and a sample storage bottle is arranged in the fixed block. The device is provided with the fixed seat, the fixed block, the supporting frame, the air cylinder, the piston rod, the pressing block, the sample storage bottle, a groove, a fixed shaft, a volute spiral spring, a movable block and a positioning clamp; according to the device, a sample is conveniently applied in a pneumatic mode, so that the uniformity of compression of the solid sample is improved, a sample storage bottle is conveniently mounted and dismounted, the stability during pressure application is improved, and the convenience of overall sample compression is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical direction of near-infrared spectrometers, and specifically relates to a sample press for near-infrared spectrum analysis of solid samples. Background Art

[0002] Near-infrared spectrometer is an analytical instrument widely used in chemistry, biomedicine, food, agriculture and other fields. Solid samples are required for near-infrared spectral analysis, and solid samples need to be compressed during analysis.

[0003] In the prior art, solid sample compression is mainly performed manually, which results in cumbersome operation and uneven compression of the solid sample, thereby reducing the accuracy of the analysis. This phenomenon has become a problem that researchers in this field urgently need to solve. Utility Model Content

[0004] The purpose of the present invention is to propose a sample press for near-infrared spectroscopy analysis of solid samples in view of the existing technology, so as to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a sample press for near-infrared spectral analysis of solid samples, comprising a fixed seat, one end of the top of the fixed seat is fixedly connected to a fixed block, the other end of the top of the fixed seat is fixedly connected to a support frame, one end of the top of the support frame is fixedly connected to a cylinder, a piston rod extending out of the cylinder is provided inside, a pressure block is fixedly connected to the bottom of the piston rod, a sample storage bottle is provided inside the fixed block, a groove is provided on the outer wall of the fixed block, a fixed shaft is fixedly connected to the inner wall of the groove, and the The outer wall of the fixed shaft is provided with a spiral spring, the outer wall of the spiral spring is provided with a movable block, and one end of the movable block is provided with a positioning clamp. By providing a fixed seat, a fixed block, a support frame, a cylinder, a piston rod, a pressure block, a sample storage bottle, a groove, a fixed shaft, a spiral spring, a movable block and a positioning clamp, it is convenient to apply the sample in a pneumatic manner, thereby improving the uniformity of pressure on the solid sample, and facilitating the installation and disassembly of the sample storage bottle, thereby improving the stability during pressure application, and effectively improving the convenience of the overall sample pressing, solving the cumbersome operation caused by manual sample pressing.

[0006] Furthermore, the fixing block is distributed in a ring shape when viewed from above, and the fixing block and the pressing block are located on the same axial center line, which makes it convenient to maintain alignment with the pressing block after positioning the sample storage bottle.

[0007] Furthermore, the two ends of the fixed block are arranged in a concave shape through grooves, and the movable block forms a rotating structure through the fixed shaft and the grooves, which facilitates the rotation of the movable block.

[0008] Furthermore, the movable block is distributed in a "Z" shape when viewed from the front, and the movable block is rotatably connected to the fixed shaft through a volute spring, which facilitates the reset rotation of the movable block.

[0009] Furthermore, a through groove is provided on the inner wall of the movable block, and the fixed shaft passes through the movable block through the through groove, thereby facilitating support for the movable block.

[0010] Furthermore, the positioning clips are distributed in an arc shape when viewed from above, and there are two positioning clips symmetrically distributed, and the two positioning clips are respectively in contact with the outer walls of both ends of the sample storage bottle, which facilitates the positioning of the sample storage bottle.

[0011] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0012] (1) By providing a fixed seat, a fixed block, a support frame, a cylinder, a piston rod, a pressure block, a sample storage bottle, a groove, a fixed shaft, a volute spring, a movable block and a positioning clamp, it is convenient to apply the sample by pneumatic means, thereby improving the uniformity of the pressure on the solid sample, and facilitating the installation and removal of the sample storage bottle, thereby improving the stability during pressure application, and effectively improving the convenience of the overall sample pressing, and solving the cumbersome operation caused by manual sample pressing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic front cross-sectional view of the present utility model;

[0016] Figure 3 This utility model Figure 2 Enlarged schematic diagram of point A in the middle.

[0017] In the figure: 1. Fixed seat; 2. Fixed block; 3. Support frame; 4. Cylinder; 5. Piston rod; 6. Pressure block; 7. Sample storage bottle; 8. Groove; 9. Fixed shaft; 10. Volute spring; 11. Movable block; 12. Positioning clamp. DETAILED DESCRIPTION

[0018] The following is a non-limiting detailed description of the technical solution of the present invention in conjunction with preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0019] See also Figures 1-3 The utility model provides a technical solution: a sample press for near-infrared spectroscopy analysis of solid samples, including a fixed base 1, one end of the top of the fixed base 1 is fixedly connected to a fixed block 2, the other end of the top of the fixed base 1 is fixedly connected to a support frame 3, one end of the top of the support frame 3 is fixedly connected to a cylinder 4, the interior of the cylinder 4 is provided with a piston rod 5 extending out of it, the bottom of the piston rod 5 is fixedly connected to a pressing block 6, the interior of the fixed block 2 is provided with a sample storage bottle 7, the outer wall of the fixed block 2 is provided with a groove 8, the inner wall of the groove 8 is fixedly connected to a fixed shaft 9, the outer wall of the fixed shaft 9 is provided with a volute spring 10, The outer wall of the coil spring 10 is provided with a movable block 11, and one end of the movable block 11 is provided with a positioning clamp 12. By providing a fixed seat 1, a fixed block 2, a support frame 3, a cylinder 4, a piston rod 5, a pressure block 6, a sample storage bottle 7, a groove 8, a fixed shaft 9, a spiral spring 10, a movable block 11 and a positioning clamp 12, it is convenient to apply the sample in a pneumatic manner, thereby improving the uniformity of the pressure on the solid sample, and facilitating the installation and disassembly of the sample storage bottle 7, thereby improving the stability during pressure application, and effectively improving the convenience of the overall sample pressing, solving the cumbersome operation caused by manual sample pressing.

[0020] Furthermore, the fixing block 2 is distributed in a ring shape when viewed from above, and the fixing block 2 and the pressing block 6 are located on the same axial center line, which makes it convenient to maintain alignment with the pressing block 6 after positioning the sample storage bottle 7.

[0021] Furthermore, the two ends of the fixed block 2 form a "concave" shape through the groove 8, and the movable block 11 forms a rotating structure through the fixed shaft 9 and the groove 8, which facilitates the rotation of the movable block 11.

[0022] Furthermore, the movable block 11 is distributed in a "Z" shape when viewed from the front, and the movable block 11 is rotatably connected to the fixed shaft 9 through the spiral spring 10, which facilitates the reset rotation of the movable block 11.

[0023] Furthermore, a through groove is provided on the inner wall of the movable block 11 , and the fixed shaft 9 passes through the movable block 11 through the through groove, thereby facilitating support for the movable block 11 .

[0024] Furthermore, the positioning clips 12 are distributed in an arc shape when viewed from above, and there are two positioning clips 12 symmetrically distributed, and the two positioning clips 12 are respectively in contact with the outer walls of both ends of the sample storage bottle 7, which facilitates the positioning of the sample storage bottle 7.

[0025] When in use, first turn the movable block 11 to rotate, so that the movable block 11 drives the vortex spring 10 to deform, then place the sample bottle 7 into the interior of the fixed block 2 and release the movable block 11, so that the vortex spring 10 drives the movable block 11 to reset and rotate, and then the movable block 11 drives the positioning clamp 12 to position the sample bottle 7, thereby improving the stability of the sample pressing and solving the problem that the sample bottle 7 is prone to shaking. Then start the cylinder 4, so that the cylinder 4 drives the pressing block 6 to slide down through the piston rod 5, so that the pressing block 6 presses the solid sample, thereby improving the uniformity of the solid sample pressure and solving the problem that the uneven pressure of the solid sample affects the accuracy of the analysis data.

[0026] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0027] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A sample pressing device for near-infrared spectral analysis of solid samples, comprising a fixed seat (1), characterized in that: One end of the top of the fixed seat (1) is fixedly connected to a fixed block (2), the other end of the top of the fixed seat (1) is fixedly connected to a support frame (3), one end of the top of the support frame (3) is fixedly connected to a cylinder (4), a piston rod (5) extending out of its exterior is arranged inside the cylinder (4), the bottom of the piston rod (5) is fixedly connected to a pressing block (6), a sample storage bottle (7) is arranged inside the fixed block (2), a groove (8) is formed in the outer wall of the fixed block (2), a fixed shaft (9) is fixedly connected to the inner wall of the groove (8), a scroll spring (10) is arranged on the outer wall of the fixed shaft (9), a movable block (11) is arranged on the outer wall of the scroll spring (10), and a positioning clamp (12) is arranged at one end of the movable block (11).

2. The sample pressing device for near-infrared spectral analysis of solid samples according to claim 1, characterized in that: The top view of the fixed block (2) is annularly distributed, and the fixed block (2) and the pressing block (6) are located on the same axial center line.

3. The sample pressing device for near-infrared spectroscopic analysis of solid samples according to claim 1, wherein: Both ends of the fixed block (2) are distributed in a "concave" shape through the groove (8), and the movable block (11) and the groove (8) form a rotating structure through the fixed shaft (9).

4. The sample pressing device for near-infrared spectroscopic analysis of solid samples according to claim 1, wherein: The front view of the movable block (11) is distributed in a "Z" shape, and the movable block (11) is rotatably connected to the fixed shaft (9) through the scroll spring (10).

5. A sample pressing device for near-infrared spectroscopic analysis of solid samples according to claim 1, characterized in that: A through groove is formed in the inner wall of the movable block (11), and the fixed shaft (9) penetrates through the movable block (11) through the through groove.

6. The sample pressing device for near-infrared spectroscopic analysis of solid samples according to claim 1, wherein: The top view of the positioning clamp (12) is arc-shaped, and there are two symmetrically distributed positioning clamps (12), and the two positioning clamps (12) are respectively in contact with the outer walls of both ends of the sample storage bottle (7).

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