CN215678179U - Polymer dissolving device for nuclear magnetic resonance spectrum - Google Patents
Polymer dissolving device for nuclear magnetic resonance spectrum Download PDFInfo
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- CN215678179U CN215678179U CN202121581222.9U CN202121581222U CN215678179U CN 215678179 U CN215678179 U CN 215678179U CN 202121581222 U CN202121581222 U CN 202121581222U CN 215678179 U CN215678179 U CN 215678179U
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Abstract
The utility model relates to a polymer dissolving device for nuclear magnetic resonance spectrum, which comprises a rack, a clamping component, an adjusting component and a heating component, wherein the clamping component, the adjusting component and the heating component are all arranged on the surface of the rack, the clamping component is used for clamping and fixing a nuclear magnetic tube, the output end of the adjusting component is connected with the clamping component, the heating component is positioned on one side of the rack far away from the adjusting component, and the clamping component can move the nuclear magnetic tube to the heating component to heat under the driving of the adjusting component. The utility model has the advantages of automatic identification of the polymer dissolution condition and heating, small size, flexibility, labor saving and the like.
Description
Technical Field
The utility model relates to the technical field of auxiliary detection equipment, in particular to a polymer dissolving device for nuclear magnetic resonance spectroscopy.
Background
In the nuclear magnetic resonance spectrum testing process, a common mode is liquid-phase nuclear magnetic resonance testing which needs to dissolve a test sample in a deuterated reagent, but because the polymer has poor solubility due to the characteristics of the polymer, the polymer solubility is usually required to be enhanced by increasing the testing temperature, and because the nuclear magnetic resonance needs liquid helium/liquid nitrogen cooling, the increase of the temperature of a testing probe has great influence on the service life of the nuclear magnetic resonance, the testing temperature needs to be strictly controlled, and the testing temperature is preferably the lowest dissolution critical temperature of the polymer.
At present, the conventional operation needs personnel to keep in a fume hood, put the polymer into a deuterated reagent, manually heat the polymer, manually observe the dissolution condition of the polymer, and is time-consuming, labor-consuming and low in precision.
SUMMERY OF THE UTILITY MODEL
In view of the shortcomings of the prior art, it is an object of the present invention to provide a device for dissolving polymers for nuclear magnetic resonance spectroscopy.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a polymer that nuclear magnetic resonance spectrum used dissolves device, includes frame, centre gripping subassembly, adjusting part and heating element are all installed the surface of frame, the centre gripping subassembly is used for carrying out the centre gripping to the nuclear-magnetism pipe and fixes, adjusting part's output with the centre gripping subassembly is connected, heating element is located the frame is kept away from one side of adjusting part, the centre gripping subassembly can move the nuclear-magnetism pipe extremely under adjusting part's the drive heating element heats.
Through adopting above-mentioned technical scheme, when using, all place the inside at the nuclear-magnetism pipe with polymer sample and deuterogen reagent to place its inside of placing the centre gripping subassembly and fix, then under the drive of adjusting part, heat it with its inside of carrying heating element, reach appointed temperature after, carry it to the inside of nuclear-magnetism resonance detection host computer and detect, convenient to use, stability is higher.
The present invention in a preferred example may be further configured to: the clamping assembly comprises a group of symmetrically arranged connecting rods, one ends of the connecting rods are connected with the adjusting assembly, the other ends of the connecting rods are connected with adjusting rods, the adjusting rods are connected with the connecting rods in a sliding mode, and the ends, far away from the connecting rods, of the adjusting rods are provided with chucks.
Through adopting above-mentioned technical scheme, the connecting rod is convenient for link together chuck and adjusting part, conveniently adjusts, adjusts the pole and can move along the length direction of connecting rod, and the chuck carries out the centre gripping to the nuclear-magnetism pipe of equidimension diameter not fixed, and the commonality is stronger.
The present invention in a preferred example may be further configured to: an anti-slip layer is arranged inside the chuck.
Through adopting above-mentioned technical scheme, the skid resistant course can improve the stability of being connected between chuck and the nuclear-magnetism pipe, avoids the nuclear-magnetism pipe at the removal in-process, drops from the inside of chuck.
The present invention in a preferred example may be further configured to: the surface of the connecting rod is provided with a plurality of positioning holes along the length direction of the connecting rod, and the surface of the adjusting rod is provided with an elastic clamping block.
Through adopting above-mentioned technical scheme, the inside of locating hole can be embedded into to the elasticity fixture block to improve the connecting rod and adjust the stability of being connected between the pole, can adjust convenient to use according to the nuclear-magnetism pipe of different diameters moreover.
The present invention in a preferred example may be further configured to: the adjusting part comprises a driving cylinder and an adjusting plate, the driving cylinder is fixedly mounted on the surface of the rack, the output end of the driving cylinder is fixedly connected with the adjusting plate, and the adjusting plate is far away from the end, connected with the clamping part, of the driving cylinder.
Through adopting above-mentioned technical scheme, under the drive that drives actuating cylinder, the regulating plate removes to drive and the centre gripping subassembly that regulating plate fixed connection is in the same place and remove, conveniently remove between nuclear-magnetism pipe heating element and the nuclear magnetic resonance host computer.
The present invention in a preferred example may be further configured to: the heating assembly comprises an electric heating plate and a temperature sensor, the electric heating plate is installed on one side of the rack, and the temperature sensor is connected with the heating assembly.
Through adopting above-mentioned technical scheme, temperature sensor can in time detect the temperature that the inside polymer of nuclear-magnetism pipe heated to heat through the electric heating board and dissolve the inside polymer of nuclear-magnetism pipe, the precision is higher, conveniently tests.
In summary, the utility model includes at least one of the following beneficial technical effects:
1. the technical scheme of the device is that the device comprises a clamping assembly, an adjusting assembly and a heating assembly, so that the device can automatically identify the dissolution condition of the polymer and heat the polymer, and has the advantages of small size, flexibility, labor saving and the like;
2. the technical scheme of the clamping assembly consisting of the connecting rod, the adjusting rod and the chuck is adopted, so that the nuclear magnetic tubes with different diameters can be conveniently clamped and fixed, and the moving effect is convenient;
3. the technical scheme of the heating assembly consisting of the electric heating plate and the temperature sensor is adopted, so that the polymer can be conveniently heated and dissolved, the precision is higher, and the use is convenient.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic view of the overall structure of the present embodiment.
The reference numbers in the drawings are:
1. a frame; 2. a clamping assembly; 21. a connecting rod; 211. positioning holes; 22. adjusting a rod; 221. an elastic clamping block; 23. a chuck; 3. an adjustment assembly; 31. a driving cylinder; 32. an adjusting plate; 4. a heating assembly; 41. an electrical heating plate; 42. a temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the device for dissolving a polymer for nuclear magnetic resonance spectroscopy disclosed by the utility model comprises a frame 1, a clamping component 2, an adjusting component 3 and a heating component 4, wherein the clamping component 2, the adjusting component 3 and the heating component 4 are all installed on the surface of the frame 1, the adjusting component 3 is installed on one side of the frame 1, the output end of the adjusting component is connected with the clamping component 2, the heating component 4 is installed at one end of the frame 1, which is far away from the adjusting component 3, and the frame 1 is fixedly installed above a nuclear magnetic detection host machine, so that detection can be conveniently carried out after heating is completed.
The adjusting assembly 3 comprises a driving cylinder 31 and an adjusting plate 32, the driving cylinder 31 is fixedly mounted on the surface of the frame 1 through a fastening bolt, the output end of the driving cylinder 31 is fixedly connected with the adjusting plate 32, and one end, far away from the driving cylinder 31, of the adjusting plate 32 is connected with the clamping assembly 2.
Clamping assembly 2 sets up connecting rod 21 including a set of symmetry, the one end and the regulating plate 32 fixed connection of connecting rod 21, the other end is connected with adjusts pole 22, connecting rod 21 is the setting of L type, and adjust pole 22 and connecting rod 21 sliding connection, connecting rod 21's surface is provided with a plurality of locating hole 211 along its length direction, it is provided with elasticity fixture block 221 to adjust pole 22's surface, elasticity fixture block 221 and locating hole 211 joint mutually, the one end of adjusting pole 22 and keeping away from connecting rod 21 is provided with chuck 23, chuck 23's inside is provided with the skid resistant course. Adjust pole 22 and can slide along connecting rod 21 length direction to after reaching the assigned position, carry out the joint through elasticity fixture block 221 and locating hole 211, realize fixed, connection stability is higher, and it is convenient to adjust moreover, and the nuclear-magnetism pipe that can be convenient for different diameters uses, and chuck 23 that has the skid resistant course is higher to the nuclear-magnetism pipe clamping stability, conveniently removes.
The heating assembly 4 comprises an electric heating plate 41 and a temperature sensor 42, the electric heating plate 41 is installed on one side of the frame 1, the temperature sensor 42 is connected with the heating assembly 4, in the embodiment, the temperature sensor 42 adopts a photoelectric sensing device, and the sensitivity is high. The temperature sensor 42 can timely detect the heating temperature of the polymer in the nuclear magnetic tube, and the polymer in the nuclear magnetic tube is heated and dissolved through the electric heating plate 41, so that the precision is high, and the test is convenient.
When in use, the detection is carried out according to the following steps:
1. the appropriate polymer sample was added to the nmr tube, the deuterated reagent was added, and the lid was sealed.
2. The nuclear magnetic tube is placed inside the collet 23.
3. The device power is turned on and the maximum test temperature is set.
4. After the nuclear magnetic tube is moved to a predetermined position by the driving cylinder 31, the electric heating plate 41 starts to heat and the temperature sensor 42 starts to operate.
5. And after the dissolution temperature of the polymer is reached, the polymer is dissolved to form a homogeneous system, the test is stopped, and the stopping temperature is the dissolution critical temperature of the polymer in the deuterated reagent, namely the temperature during the high-temperature nuclear magnetic test, so that the dissolution is completed.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A polymer dissolving device for nuclear magnetic resonance spectroscopy comprises a machine frame (1), a clamping component (2), a regulating component (3) and a heating component (4), and is characterized in that: centre gripping subassembly (2), adjusting part (3) and heating element (4) are all installed the surface of frame (1), centre gripping subassembly (2) are used for carrying out the centre gripping to the nuclear-magnetism pipe and fix, the output of adjusting part (3) with centre gripping subassembly (2) are connected, heating element (4) are located frame (1) is kept away from one side of adjusting part (3), centre gripping subassembly (2) can move the nuclear-magnetism pipe extremely under the drive of adjusting part (3) heating element (4) heat.
2. The apparatus for dissolving a polymer for nuclear magnetic resonance spectroscopy according to claim 1, wherein: the clamping assembly (2) comprises a set of symmetrical connecting rods (21), one end of each connecting rod (21) is connected with the adjusting assembly (3), the other end of each connecting rod is connected with an adjusting rod (22), the adjusting rods (22) are connected with the connecting rods (21) in a sliding mode, and the adjusting rods (22) are far away from one ends of the connecting rods (21) and provided with clamping heads (23).
3. A device for dissolving polymers for nuclear magnetic resonance spectroscopy according to claim 2, characterized in that: an anti-slip layer is arranged inside the chuck (23).
4. A device for dissolving polymers for nuclear magnetic resonance spectroscopy according to claim 2, characterized in that: the surface of the connecting rod (21) is provided with a plurality of positioning holes (211) along the length direction, and the surface of the adjusting rod (22) is provided with an elastic clamping block (221).
5. The apparatus for dissolving a polymer for nuclear magnetic resonance spectroscopy according to claim 1, wherein: adjusting part (3) are including driving actuating cylinder (31) and regulating plate (32), drive actuating cylinder (31) fixed mounting be in the surface of frame (1), drive the output of actuating cylinder (31) with regulating plate (32) fixed connection, regulating plate (32) are kept away from drive the one end of actuating cylinder (31) with clamping component (2) are connected.
6. The apparatus for dissolving a polymer for nuclear magnetic resonance spectroscopy according to claim 1, wherein: heating element (4) include electrical heating board (41) and temperature sensor (42), electrical heating board (41) are installed one side of frame (1), just temperature sensor (42) with heating element (4) are connected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021209475406 | 2021-05-06 | ||
| CN202120947540 | 2021-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215678179U true CN215678179U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121581222.9U Active CN215678179U (en) | 2021-05-06 | 2021-07-13 | Polymer dissolving device for nuclear magnetic resonance spectrum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215678179U (en) |
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2021
- 2021-07-13 CN CN202121581222.9U patent/CN215678179U/en active Active
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