A sample clamping device for infrared spectrometer

Abstract

The utility model relates to the field of infrared spectrum measurement technology, specifically a sample clamping device for an infrared spectrometer, including a clamping bin, a clamping piece is arranged in the middle of the inner side of the clamping bin, bellows are installed on the outer walls of both sides of the clamping piece, one end of the bellows is connected to a pressure plate, the other end of the bellows passes through the clamping bin and is installed with an air inlet interface, a clamping port is arranged in the middle of the clamping piece, and the sample is clamped at the clamping port. In the sample clamping device for an infrared spectrometer, effective clamping of the sample is achieved through the cooperation of the clamping piece and the bellows. One end of the bellows applies pressure to the sample through the pressure plate, and the other end is connected to an external air source through the air inlet interface. By adjusting the air inlet pressure, the clamping force can be flexibly controlled to adapt to samples of different thicknesses and materials. At the same time, the elastic deformation capacity of the bellows enables the clamping piece to adapt to slight deformations of the sample, ensuring stable clamping. The clamping device has a simple structure and is easy to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of infrared spectrum measurement, in particular to a sample clamping device for an infrared spectrometer. Background Art

[0002] Infrared spectroscopy measurement technology is an important analytical method widely used in the fields of materials science, chemistry, biological science, etc. This technology measures the absorption, reflection or transmission spectrum of a substance in the infrared light region to analyze the molecular structure, chemical bonding state and other related physical and chemical properties of the substance. When performing infrared spectroscopy measurement, ensuring that the sample is stably clamped in the measurement position is crucial to obtaining accurate and reliable measurement results.

[0003] Traditional infrared spectrometer sample clamping devices are often complex in structure, inconvenient to operate, and have poor clamping stability, which can easily cause sample displacement or loosening during measurement, thus affecting measurement accuracy and repeatability. In addition, some clamping devices are not flexible enough in adjusting the clamping force and cannot adapt to samples of different thicknesses and materials, further limiting their application range. Utility Model Content

[0004] The purpose of the utility model is to provide an infrared spectrometer sample clamping device to solve the problem that the traditional infrared spectrometer sample clamping device proposed in the above background technology is often complex in structure, inconvenient to operate, and has poor clamping stability, which easily causes the sample to shift or loosen during the measurement process, thereby affecting the measurement accuracy and repeatability. In addition, some clamping devices are not flexible enough in adjusting the clamping force and cannot adapt to samples of different thicknesses and materials, further limiting the scope of their application.

[0005] To achieve the above-mentioned purpose, the utility model provides an infrared spectrometer sample clamping device, including a clamping bin, a clamping piece is arranged in the middle of the inner side of the clamping bin, bellows are installed on the outer walls of both sides of the clamping piece, one end of the bellows is connected to a pressure plate, the other end of the bellows passes through the clamping bin and is installed with an air inlet interface, a clamping opening is arranged in the middle of the clamping piece, the sample is clamped at the clamping opening, the bottom of the clamping piece is slidably connected to the bottom inner wall of the clamping bin, and the inner wall of the clamping bin is provided with a mounting position for installing an infrared spectrum measuring instrument to perform infrared spectrum measurement on the sample.

[0006] Preferably, a spring is installed on the outer wall of the bellows.

[0007] Preferably, the clamping member includes a fixed splint, a movable splint is provided on one side of the fixed splint, a track is installed on one side of the bottom of the fixed splint, a horizontal screw slot is provided at the top of the track, a screw is installed on the bottom mounting rod of the movable splint, the screw is slidably connected to the screw slot, a horizontal nut slot is provided at the bottom of the track, the bottom end of the screw is locked and fixed by a nut, and the nut slot is slidably connected to the nut.

[0008] Preferably, a right clamping groove is provided in the middle of the fixed clamping plate, a left clamping groove is provided in the middle of the movable clamping plate, and two sides of the bottom of the sample piece are respectively inserted into the left clamping groove and the right clamping groove.

[0009] Preferably, a label is installed on the outer side of the clamping member.

[0010] Preferably, the shape of the inner clamping opening of the clamping member is adapted to the shape of the sample.

[0011] Preferably, the spring sleeve is arranged on the outer wall of the bellows, one end of the spring sleeve is connected to the bellows, and the other end is connected to the inner wall of the clamping bin, so as to provide elastic force for resetting the bellows.

[0012] Preferably, the top mixing side of the clamping bin is provided with an opening, and a flip cover is installed at the opening.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the sample clamping device of the infrared spectrometer, the effective clamping of the sample is achieved through the cooperation of the clamping piece and the bellows. One end of the bellows applies pressure to the sample through the pressure plate, and the other end is connected to the external air source through the air inlet interface. By adjusting the air inlet pressure, the clamping force can be flexibly controlled to adapt to samples of different thicknesses and materials. At the same time, the elastic deformation ability of the bellows enables the clamping piece to adapt to the slight deformation of the sample and ensure stable clamping. The clamping device has a simple structure and is easy to operate. The bottom of the clamping piece is slidably connected to the bottom inner wall of the clamping bin, which is convenient for adjusting the position of the sample. At the same time, through the cooperation of structures such as rails, screw slides, and nut slides, the flexible adjustment and locking of the movable clamping plate are achieved, further simplifying the clamping operation. The clamping device also has good adaptability and expansibility. The shape of the inner clamping opening of the clamping piece can be customized according to the shape of the sample to meet the clamping requirements of samples of different shapes. At the same time, by installing a label on the outside of the clamping piece, the sample information can be easily recorded and managed, which improves the traceability and management efficiency of the measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2It is a side view structural schematic diagram of the clamping member in the utility model;

[0017] Figure 3 It is a schematic diagram of the top view of the clamping member in the utility model.

[0018] The meaning of each number in the figure is:

[0019] 1. Clamping bin; 2. Clamping part; 21. Fixed clamping plate; 211. Right clamping groove; 22. Movable clamping plate; 221. Screw; 222. Nut; 223. Left clamping groove; 23. Screw slide groove; 24. Nut slide groove; 25. Track; 3. Bellows; 31. Pressing plate; 32. Spring; 33. Air inlet interface; 4. Sample; 5. Label. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides a sample clamping device for an infrared spectrometer, such as Figure 1-Figure 3 As shown, it includes a clamping bin 1, a clamping member 2 is arranged in the middle of the inner side of the clamping bin 1, which is used to clamp the sample 4, bellows 3 are installed on the outer walls of both sides of the clamping member 2, one end of the bellows 3 is connected to a pressure plate 31, the other end of the bellows 3 passes through the clamping bin 1 and is installed with an air inlet interface 33, a clamping opening is arranged in the middle of the clamping member 2, the sample 4 is clamped at the clamping opening, the bottom of the clamping member 2 is slidably connected to the bottom inner wall of the clamping bin 1, the inner wall of the clamping bin 1 is provided with a mounting position, which is used to install an infrared spectrum measuring instrument to perform infrared spectrum measurement on the sample 4, one end of the bellows 3 is connected to a pressure plate 31, the pressure plate 31 is in direct contact with the sample 4, and the clamping and release of the sample 4 are achieved by the inflation and deflation of the bellows 3. The other end of the bellows 3 passes through the side wall of the clamping chamber 1 and is equipped with an air inlet interface 33, which can be connected to an external air source. The expansion degree of the bellows 3 is adjusted by controlling the air inlet pressure, thereby controlling the clamping force of the sample 4.

[0022] A clamping opening is provided in the middle of the clamping member 2, and the sample 4 is clamped at the clamping opening. The size and shape of the clamping opening can be customized according to the size and shape of the sample 4 to ensure stable clamping of the sample 4. At the same time, the bottom of the clamping member 2 is slidably connected to the bottom inner wall of the clamping chamber 1, so that the clamping member 2 can be flexibly moved in the clamping chamber 1, and the position of the sample 4 can be adjusted conveniently.

[0023] The inner wall of the clamping chamber 1 is provided with mounting positions for mounting an infrared spectrum measuring instrument. When the sample 4 is clamped on the clamping member 2, the infrared spectrum measuring instrument can be aligned with the sample 4 to measure and obtain infrared spectrum information of the sample 4.

[0024] In this embodiment, a spring 32 is installed on the outer wall of the bellows 3 to facilitate the reset of the pressure plate 31 .

[0025] Specifically, the clamping member 2 includes a fixed splint 21, a movable splint 22 is arranged on one side of the fixed splint 21, a track 25 is installed on one side of the bottom of the fixed splint 21, a horizontal screw slot 23 is arranged on the upper part of the track 25, a bottom mounting rod of the movable splint 22 has a screw 221, the screw 221 is slidably connected with the screw slot 23, a horizontal nut slot 24 is arranged on the lower part of the track 25, the bottom end of the screw 221 is locked and fixed by a nut 222, and the nut slot 24 is slidably connected with the nut 222, so as to facilitate the movement and adjustment of the movable splint 22.

[0026] Furthermore, a right clamping groove 211 is provided in the middle of the fixed clamping plate 21, and a left clamping groove 223 is provided in the middle of the movable clamping plate 22. The two sides of the bottom of the sample piece 4 are respectively inserted into the left clamping groove 223 and the right clamping groove 211, so as to facilitate fixing the sample piece 4.

[0027] Furthermore, a label 5 is installed on the outer side of the clamping member 2 to facilitate identification of information of the sample 4 .

[0028] Furthermore, the shape of the inner clamping opening of the clamping member 2 is adapted to the shape of the sample 4 , so as to facilitate stable clamping of the sample 4 .

[0029] Furthermore, the spring 32 is sleeved on the outer wall of the bellows 3 , one end of which is connected to the bellows 3 , and the other end of which is connected to the inner wall of the clamping chamber 1 , so as to provide elastic force for restoring the bellows 3 .

[0030] Furthermore, openings are provided on both mixing sides of the top of the clamping bin 1 , and flip covers are installed at the openings to ensure a sealed environment within the clamping bin 1 .

[0031] When the infrared spectrometer sample clamping device of the utility model is used, the sample 4 is first placed in the clamping opening of the clamping member 2, and the two sides of the bottom of the sample 4 are respectively inserted into the right clamping groove 211 of the fixed clamping plate 21 and the left clamping groove 223 of the movable clamping plate 22. The position of the movable clamping plate 22 is adjusted to adapt to samples 4 of different sizes. This can be achieved by loosening the nut 222, sliding the screw 221 and the nut 222 in the screw slide 23 and the nut slide 24, and then tightening the nut 222 to fix it after adjusting it in place. The external air source is connected to the air inlet interface 33 of the bellows 3, and the expansion degree of the bellows 3 is adjusted by controlling the air inlet pressure, thereby controlling the clamping force of the sample 4. When the bellows 3 expands, the pressing plate 31 applies pressure to the sample 4 to achieve stable clamping; when the sample 4 needs to be released, the air inlet pressure is reduced, the bellows 3 contracts, and the pressing plate 31 releases the pressure on the sample 4. During the clamping process, the spring 32 is sleeved on the outer wall of the bellows 3, one end of which is connected to the bellows 3, and the other end is connected to the inner wall of the clamping chamber 1. When the bellows 3 deflates and contracts, the spring 32 provides elastic force to help the bellows 3 and the pressure plate 31 to reset. When the sample 4 is stably clamped on the clamping member 2, the infrared spectrum measuring instrument can be installed on the mounting position of the inner wall of the clamping chamber 1, and the sample 4 can be aligned for measurement to obtain its infrared spectrum information. During the clamping and measuring process, the openings and flaps provided on the top and one side of the clamping chamber 1 can ensure the sealed environment in the clamping chamber 1 and avoid the influence of external interference on the measurement results. At the same time, the sample 4 can be easily put in and taken out through the opening.

[0032] In addition, a label 5 is installed on the outer side of the clamp 2, which can record and manage the relevant information of the sample 4, thereby improving the traceability and management efficiency of the measurement.

[0033] Finally, it should be noted that the electronic components in the external spectrum measurement instrument in this embodiment are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods. In the idle space of this device, all the above-mentioned electrical components are connected by wires respectively, and the specific connection means should refer to the working sequence between the electrical components in the above-mentioned working principle to complete the electrical connection, which are all well-known technologies in the art.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A sample clamping device for an infrared spectrometer, comprising a clamping chamber (1), characterized in that: A clamping member (2) is arranged in the middle of the inner side of the clamping bin (1), and bellows (3) are installed on the outer walls of both sides of the clamping member (2). One end of the bellows (3) is connected to a pressure plate (31), and the other end of the bellows (3) passes through the clamping bin (1) and is installed with an air inlet interface (33). A clamping opening is arranged in the middle of the clamping member (2), and a sample (4) is clamped at the clamping opening. The bottom of the clamping member (2) is slidably connected to the inner wall of the bottom of the clamping bin (1), and an installation position is arranged on the inner wall of the clamping bin (1) for installing an infrared spectrum measuring instrument to perform infrared spectrum measurement on the sample (4).

2. The infrared spectrometer sample clamping device according to claim 1, characterized in that: A spring (32) is installed on the outer wall of the bellows (3).

3. The infrared spectrometer sample clamping device according to claim 1, characterized in that: The clamping member (2) comprises a fixed clamping plate (21), a movable clamping plate (22) is arranged on one side of the fixed clamping plate (21), a track (25) is installed on one side of the bottom of the fixed clamping plate (21), a horizontal screw rod slot (23) is arranged on the upper part of the track (25), a bottom mounting rod of the movable clamping plate (22) has a screw rod (221), the screw rod (221) is slidably connected to the screw rod slot (23), a horizontal nut slot (24) is arranged on the lower part of the track (25), the bottom end of the screw rod (221) is locked and fixed by a nut (222), and the nut slot (24) is slidably connected to the nut (222).

4. The infrared spectrometer sample clamping device according to claim 3, characterized in that: The fixed clamping plate (21) is provided with a right clamping groove (211) in the middle, the movable clamping plate (22) is provided with a left clamping groove (223) in the middle, and the bottom sides of the sample piece (4) are respectively inserted into the left clamping groove (223) and the right clamping groove (211).

5. The infrared spectrometer sample clamping device according to claim 1, characterized in that: A label (5) is installed on the outer side of the clamping member (2).

6. The infrared spectrometer sample clamping device according to claim 1, characterized in that: The shape of the inner clamping opening of the clamping piece (2) is adapted to the shape of the sample piece (4).

7. The infrared spectrometer sample clamping device according to claim 2, characterized in that: The spring (32) is sleeved on the outer wall of the bellows (3), one end of which is connected to the bellows (3) and the other end of which is connected to the inner wall of the clamping chamber (1), and is used to provide elastic force for resetting the bellows (3).

8. The infrared spectrometer sample clamping device according to claim 1, characterized in that: The top mixing side of the clamping bin (1) is provided with an opening, and a flip cover is installed at the opening.

Images