CN209946000U - Hot-pressing auxiliary device for Fourier infrared spectrum test - Google Patents

Abstract

The utility model discloses a hot pressing auxiliary device for Fourier infrared spectroscopy test, including last gland and lower box body, go up the gland with the box body is circular down, it can the lid close to go up the gland on the box body down, go up the gland with be used for suppressing the sample down between the box body, rotatory recess has been seted up down on the lateral wall of box body, it is in to go up the gland rotatory groove department with the box body is articulated down, the seal port has been seted up down on the lateral wall of box body, the seal port is located the opposite face of rotatory recess, the box body is in down seal port department articulates there is sealing door to can guarantee the integrality of hot pressing membrane, and improve the accuracy of test result.

Description

Hot-pressing auxiliary device for Fourier infrared spectrum test

Technical Field

The utility model relates to a spectrum laboratory glassware technical field especially relates to a hot pressing auxiliary device for Fourier infrared spectrum test.

Background

The Fourier infrared spectrometer is developed based on the principle of Fourier transform of interfered infrared light, can perform qualitative and quantitative analysis on a sample, and commonly adopts a potassium bromide tabletting method, a solvent method, a hot pressing method and a perspective scanning method, wherein the potassium bromide tabletting method is generally suitable for detecting powdery substances; the perspective scanning method is suitable for detecting the substances with regular shapes and smooth planes; the solvent method is suitable for substance testing which is easily soluble in volatile organic solvents (such as chloroform); the hot pressing rule is suitable for material testing of definite or measurable substance melting point, and specifically, the temperature and the pressure of a hot pressing auxiliary device for Fourier infrared spectrum testing need to be set according to material characteristics, then a sample to be tested is placed between two pieces of aluminum foil paper for hot pressing, the sample is torn off after hot pressing, and the test is carried out on a Fourier infrared spectrometer.

In the detection process of the high polymer material, people often encounter non-powdery substances which are opaque in material properties and are difficult to dissolve in common solvents of an infrared spectrometer, so that in the detection process, the hot pressing method is frequently adopted for testing, and the following defects exist when the traditional hot pressing method is used: firstly, the position of the hot-pressing auxiliary device for Fourier infrared spectrum testing is not fixed, so that the material is easy to leak, and the hot-pressing auxiliary device for Fourier infrared spectrum testing and the material are polluted, so that the tested result of the measured material possibly has an inaccurate phenomenon, and in addition, the hot-pressing auxiliary device for Fourier infrared spectrum testing is not easy to clean after being polluted, and possibly has adverse influence on subsequent testing; secondly, because the material and the aluminum foil paper are adhered together, the integrity of the hot-pressing film is difficult to ensure in the process of tearing the sample off, when the size of the film is smaller than the round hole of the material clamping device worn by the Fourier infrared spectrometer, the film cannot be fixed, hot pressing needs to be carried out again, and great manpower and material resources are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hot pressing auxiliary device, move and get tweezers and clamping device for Fourier infrared spectroscopy test to solve the problem that above-mentioned prior art exists, can guarantee the integrality of hot pressing membrane, and improve the accuracy of test result.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a hot pressing auxiliary device for Fourier infrared spectroscopy test, including last gland and lower box body, go up the gland with the box body is circular down, it can the lid close to go up the gland on the box body down, go up the gland with be used for suppressing the sample down between the box body, rotatory recess has been seted up down on the lateral wall of box body, it is in to go up the gland rotatory groove department with the box body is articulated down, the seal port has been seted up down on the lateral wall of box body, the seal port is located the opposite face of rotatory recess, the box body is in down seal port department articulates there is the sealing door.

Preferably, the edge of the upper gland is fixedly connected with a connecting lug, the length of the connecting lug is equal to that of the rotary groove, a rotary through hole is formed in the axial direction of the connecting lug, a rotary shaft penetrates through the rotary through hole, and two ends of the rotary shaft are fixed to the side wall of the lower box body at the position of the rotary groove.

Preferably, the upper gland and the lower box body are made of stainless acid-resistant steel, aluminum or platinum.

Preferably, the outer diameter of the upper gland is equal to the inner diameter of the lower box body.

Preferably, the depth of the lower box body is 0.7 +/-0.05 mm.

Preferably, still including moving and getting tweezers, it is used for pressing from both sides to move and get tweezers the sample, including integrated into one piece's two elbow tweezers, the elbow tweezers include tweezers handle and elbow, tweezers handle with the elbow is located same plane, the elbow includes integrated into one piece's circular arc linkage segment and presss from both sides the section of getting, the circular arc linkage segment is fixed the tip of tweezers handle, the end of pressing from both sides the section of getting is the platykurtic and is used for pressing from both sides and get the sample.

Preferably, the forceps handle and the elbow are made of stainless acid-resistant steel.

Preferably, the length of the elbow is 1.0-1.5 cm.

Preferably, still include clamping device, clamping device is used for the centre gripping move and get tweezers clamp and get the sample, clamping device contains first holding piece and second holding piece, the second holding piece is located the below of first holding piece, first holding piece with the second holding piece is circular and the diameter equals, utilizes a plurality of buckle will first holding piece with second holding piece fixed connection, first holding piece with the central point of second holding piece puts and sets up a plurality of concentric circles respectively, concentric circle on the first holding piece with the concentric circle one-to-one of second holding piece.

Preferably, the first clamping piece and the second clamping piece are made of stainless acid-resistant steel, aluminum, platinum or filter paper.

The utility model discloses for prior art gain following technological effect:

the utility model discloses well upper gland is together articulated with lower box body, and relative position is fixed, is not only difficult for losing, can also avoid revealing because of the sample that upper gland and lower box body position change arouse to use in the hot pressing auxiliary device and the sample of Fourier infrared spectroscopy test to keep clean, help improving the accuracy of test result. During the use, earlier will go up the gland from sealing door department and open, place the sample in box body down, cover the gland, seal the sealing door, carry out the suppression of sample, after the suppression is accomplished, open the sealing door, the sample edge of sealing door department can the perk to be convenient for exert effort from this breach department of sealing port with the sample perk, thereby press from the perk department and get the sample can be very convenient with sample and box body separation down, and can guarantee the integrality of hot pressing membrane.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a hot pressing assist device for Fourier infrared spectroscopy testing;

fig. 2 is a schematic structural view of the forceps;

FIG. 3 is a schematic structural view of the clamping device;

wherein: 11-upper gland, 12-lower box body, 13-sealing door, 14-rotary groove, 15-connecting lug, 21-forceps handle, 22-elbow, 221-circular arc connecting section, 222-clamping section, 31-first clamping sheet, 32-concentric circle and 33-buckle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1: the embodiment provides a hot-pressing auxiliary device for Fourier infrared spectrum testing, which comprises an upper gland 11 and a lower box body 12, wherein the upper gland 11 and the lower box body 12 are both circular, the outer diameter of the upper gland 11 is equal to the inner diameter of the lower box body 12, the size can be selected to be 1.8-2.5 cm, the thickness of the upper gland 11 and the thickness of the bottom of the lower box body 12 are both 0.5 +/-0.05 mm, the depth of the lower box body 12 is 0.7 +/-0.05 mm, the upper gland 11 and the lower box body 12 are made of stainless acid-resistant steel, aluminum or platinum, and the stainless acid-resistant steel refers to steel which resists weak corrosive media such as air, steam and water and chemical corrosive media such as acid, alkali and salt; the upper gland 11 can be covered on the lower box body 12, a sample is pressed between the upper gland 11 and the lower box body 12, the side wall of the lower box body 12 is provided with a rotary groove 14, the upper gland 11 is hinged with the lower box body 12 at the rotary groove 14, concretely, the edge of the upper gland 11 is fixedly connected with a connecting lug 15, the length of the connecting lug 15 is equal to or slightly less than that of the rotary groove 14, the connecting lug 15 is cylindrical, the axial center of the connecting lug 15 is provided with a rotary through hole, a rotary shaft is penetrated in the rotary through hole, and two ends of the rotary shaft are fixed on the side wall of the lower box body 12 at the rotary groove 14, so that the upper gland 11 is hinged with the lower box body 12, the upper gland 11 can freely rotate, not only can the loss of parts be avoided, but also the sample leakage caused by the position change of the upper gland 11 and the lower box body 12 can be avoided, thereby keeping the hot-pressing auxiliary device and the sample for, the accuracy of the test result is improved. The side wall of the lower box body 12 is provided with a sealing opening, the sealing opening is positioned on the opposite surface of the rotary groove 14, the lower box body 12 is hinged with a sealing door 13 at the sealing opening, and a common pin shaft hinging method can be specifically adopted, namely a hinging hole is arranged on the sealing door 13, a hinging shaft penetrates through the hinging hole, and the hinging shaft is fixed with the lower box body 12. Meanwhile, a clamping protrusion can be arranged at the upper end of the sealing door 13 and can be buckled on the upper gland 11, so that the upper gland 11 and the lower box body 12 are kept closed unchanged.

As shown in fig. 2: the embodiment can further comprise a pair of moving forceps, the moving forceps are used for clamping a sample pressed by the hot pressing auxiliary device for fourier infrared spectroscopy testing, the sample comprises two integrally formed bent pieces 22 of tweezers, each bent piece 22 of the tweezers comprises a tweezers handle 21 and a bent piece 22, the tweezers handle 21 and the bent piece 22 are made of stainless acid-resistant steel, the tweezers handle 21 and the bent piece 22 are located on the same plane, in the length direction of the tweezers handle 21, the length of the bent piece 22 is 1.0-1.5 cm, the specific length direction is L shown in fig. 2, L is taken as a starting point from the joint of the tweezers handle 21 and the bent piece 22, the foremost end of the bent piece 22 in the length direction of the tweezers handle 21 is an end point, and the length direction of the tweezers handle 21 is the direction of a dotted line in fig. 2. Specifically, the elbow 22 comprises an arc connecting section 221 and a clamping section 222 which are integrally formed, the arc connecting section 221 is fixed at the end of the forceps handle 21, the tail end of the clamping section 222 is flat and used for clamping a sample, specifically, the tail end of the clamping section 222 is a slice which is commonly used in life, the sample is pried from the tilted side by the tail end of the flat clamping section 222, so that the sample is successfully separated from the lower box body 12, the operation is simple and easy, the integrity of the sample can be kept, and the used forceps for moving are cleaned and then used for the next time.

As shown in fig. 3: the embodiment can also comprise a clamping device, the clamping device is used for clamping the sample pressed by the hot pressing auxiliary device for Fourier infrared spectrum test, the clamping device comprises a first clamping sheet 31 and a second clamping sheet, the first clamping sheet 31 and the second clamping sheet are overlapped, the first clamping sheet 31 and the second clamping sheet are made of stainless acid-resistant steel, aluminum, platinum or filter paper, or adopt any adiactinic inorganic material, first holding piece 31 and second holding piece are circular and the diameter equals, utilize a plurality of buckle 33 with first holding piece 31 and second holding piece fixed connection, this implementation adopts four, four buckle 33 equipartitions are in the circumferencial direction of first holding piece 31 or second holding piece, buckle 33 can adopt any kind to make first holding piece 31 and second holding piece card structure together, for example the structure of the clip or the forked tail clamp in the similar office supplies. The first clamping piece 31 and the second clamping piece are respectively provided with a plurality of concentric circles 32 at the center positions, and the concentric circles 32 on the first clamping piece 31 correspond to the concentric circles 32 on the second clamping piece one by one. Concentric circle 32 sets up to three in this embodiment, and the diameter sets up to 2mm, 4mm, 6mm respectively, and when the sample that hot pressing was pressed was incomplete, can select the sample of different concentric circles 32 to detect according to the completeness of sample, need not carry out the hot pressing of sample again, can show raise the efficiency to can use manpower and materials sparingly.

In the whole process of pressing, moving and clamping the sample, the specific process is as follows: opening the upper gland 11 from the sealing door 13, placing the sample with the pressure into the lower box body 12, covering the upper gland 11, closing the sealing door 13, and performing hot-pressing treatment; after the hot pressing is completed, the sealing door 13 is opened firstly, so that the edge of the sample can be tilted, the gap of the sealing opening is convenient for moving the forceps to apply acting force, and the sample can be easily pried from the tilted side by using the tail end of the flat clamping section 222, so that the sample and the lower box body 12 can be successfully separated; finally, the clamped sample is placed between the first clamping piece 31 and the second clamping piece, and samples at different concentric circles 32 are selected according to the integrity of the sample for test detection.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (10)

1. A hot pressing auxiliary device for Fourier infrared spectroscopy test which characterized in that: including last gland and lower box body, go up the gland with the box body is circular down, it can close to go up the gland on the box body down, go up the gland with be used for suppressing the sample down between the box body, rotatory recess has been seted up on the lateral wall of box body down, it is in to go up the gland rotatory groove department with the box body is articulated down, the seal is seted up on the lateral wall of box body down, the seal is located the opposite face of rotatory recess, the box body is in down seal department articulates there is sealing door.

2. The thermal press assist device for fourier infrared spectroscopy testing of claim 1, wherein: go up the edge fixedly connected with engaging lug of gland, the length of engaging lug equals the length of rotatory recess, rotatory through-hole has been seted up in the axial of engaging lug, wear to be equipped with the rotation axis in the rotatory through-hole, the both ends of rotation axis are fixed rotatory groove department down on the box lateral wall.

3. The thermal press assist device for fourier infrared spectroscopy testing of claim 1, wherein: the upper gland and the lower box body are made of stainless acid-resistant steel, aluminum or platinum.

4. The thermal press assist device for fourier infrared spectroscopy testing of claim 1, wherein: the outer diameter of the upper gland is equal to the inner diameter of the lower box body.

5. The thermal press assist device for fourier infrared spectroscopy testing of claim 1, wherein: the depth of the lower box body is 0.7 +/-0.05 mm.

6. The thermal press assist device for fourier infrared spectroscopy testing of claim 1, wherein: still get tweezers including moving, move and get tweezers and be used for pressing from both sides and get the sample, including integrated into one piece's two elbow tweezers, the elbow tweezers include tweezers handle and elbow, the tweezers handle with the elbow is located same plane, the elbow includes integrated into one piece's circular arc linkage segment and presss from both sides the section of getting, the circular arc linkage segment is fixed the tip of tweezers handle, the end of pressing from both sides the section of getting is the platykurtic and is used for pressing from both sides and get the sample.

7. The thermal pressing aid for fourier infrared spectroscopy testing of claim 6, wherein: the forceps handle and the elbow are made of stainless acid-resistant steel.

8. The thermal pressing aid for fourier infrared spectroscopy testing of claim 6, wherein: the length of the elbow is 1.0-1.5 cm.

9. The thermal pressing aid for fourier infrared spectroscopy testing of claim 6, wherein: still include clamping device, clamping device is used for the centre gripping move and get tweezers clamp and get the sample, clamping device contains first holding piece and second holding piece, the second holding piece is located the below of first holding piece, first holding piece with the second holding piece is circular and the diameter equals, utilizes a plurality of buckle will first holding piece with second holding piece fixed connection, first holding piece with the central point of second holding piece puts and sets up a plurality of concentric circle respectively, concentric circle on the first holding piece with the concentric circle one-to-one of second holding piece.

10. The thermal press assist device for fourier infrared spectroscopy testing of claim 9, wherein: the first clamping piece and the second clamping piece are made of stainless acid-resistant steel, aluminum, platinum or filter paper.

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