CN216695635U - A fibre sampling device for carbon fiber surface morphology is surveyd - Google Patents
A fibre sampling device for carbon fiber surface morphology is surveyd Download PDFInfo
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- CN216695635U CN216695635U CN202120659964.2U CN202120659964U CN216695635U CN 216695635 U CN216695635 U CN 216695635U CN 202120659964 U CN202120659964 U CN 202120659964U CN 216695635 U CN216695635 U CN 216695635U
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Abstract
The utility model relates to a fiber sampling device for observing the surface appearance of carbon fibers, which comprises a flexible plastic plate made of polytetrafluoroethylene material, wherein the upper part and the lower part of the plastic plate are respectively provided with ten clamping grooves, a marking plate is arranged in the middle of the plastic plate, and scales are opposite to the upper clamping groove and the lower clamping groove. The utility model provides a simple and convenient fiber sampler which is convenient for sampling fibers, the sampling process is more efficient and simple, the sampling device can sample 10 same or different samples at one time, the integrity of the sampled samples can be effectively ensured, the different samples cannot be easily mixed, the samples are easy to prepare, and the difficulty in preparing the fiber samples is greatly reduced.
Description
Technical Field
The utility model relates to the field of fiber sampling, in particular to a fiber sampling device for observing the surface topography of carbon fibers.
Background
The chemical fiber is developed for hundreds of years, the performance is continuously improved, high-performance fiber suitable for various large purposes is formed, the purposes in the aspects of industry, civil use, military, aerospace and the like are continuously expanded, and the fiber plays a role in lifting the weight.
In order to clearly explore various properties of the fiber, various tests are required to be carried out on the fiber, such as a series of characterization means of electron microscope, TG, infrared, ultraviolet and the like. However, the fiber volume required for these characterization means is small, typically only 1cm long or even less. Short fibers are easy to move or deform under the influence of a little external force due to light weight and small volume, so that the sampling lengths are different and have defects respectively. Therefore, unnecessary troubles are caused in the sampling process, a sampler is required to be highly concentrated, and the sampling is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model aims to avoid the phenomenon that tiny fibers are curled or moved and scattered in the sampling process, provides a fiber sampling device for observing the surface appearance of carbon fibers, and can quickly and conveniently sample and test the appearance of the fibers and improve the sampling efficiency.
The technical scheme provided by the utility model is realized as follows:
a fiber sampling device for observing the surface topography of carbon fibers comprises a flexible plate, ten clamping grooves are symmetrically formed in the flexible plate from top to bottom, a marking plate is arranged in the middle of the flexible plate, and the scales of the marking plate correspond to the upper clamping groove and the lower clamping groove; the flexible board is a plastic board and is made of polytetrafluoroethylene soft and bendable material.
Furthermore, the length of the flexible plate is 1-30cm, the width is 1-15cm, and the thickness is 0.1-1 cm.
Furthermore, the size of the clamping groove is 1-10mm of groove depth, 1-10mm of groove width and 1-10mm of right-angled triangular clamping groove, and the extending and cutting length of the bottom of the clamping groove is 1-30 mm.
Furthermore, the width between the two clamping grooves of the sampling plate is 10-100 mm.
Further, the middle marking panels are numbered 1,2,3,4,5,6,7,8,9, 10.
Compared with the prior art, the utility model has the following remarkable advantages:
1. the utility model provides a simple and convenient fiber sampler, which is convenient for sampling fibers and has more efficient and simple sampling process;
2. the silk sampler can sample 10 same or different samples at one time, and the sampled samples can effectively ensure the integrity of the samples, so that different samples cannot be easily mixed and are easy to prepare, and the difficulty of preparing the fiber sample is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of the structure and size of a sampling device according to the present invention.
Fig. 2 is a schematic diagram showing the dimensional details of the present invention.
Fig. 3 is a schematic view of a cutting method, in which (a) is a forward cutting direction and (b) is an oblique cutting direction.
Detailed Description
The utility model will be further explained with reference to the drawings
As shown in fig. 1-3, the utility model provides a sampling device for observing the surface topography of a fiber, which comprises a flexible plate 1, wherein ten clamping grooves 2 are symmetrically arranged on the flexible plate 1 from top to bottom, a marking plate 3 is arranged in the middle of the flexible plate 1, and the scales of the marking plate 3 correspond to the upper and lower clamping grooves.
The working mode of the utility model is as follows:
(1) selecting fibers required to be sampled, wherein the length of a fiber tow is preferably more than 1.5 times larger than the width of a sampling plate, the spreading width of the tow is preferably within 1cm, and most preferably less than 4 mm.
(2) One end of the fiber is knotted, the knotted part is buckled in a groove on one side of a first position of the sampling plate, the fiber is straightened, the other end of the fiber is buckled in a groove on the other side of the first position, the fiber is tensioned, and the tightness is adjusted according to the requirement.
(3) A drop of the appropriate reagent was dispensed onto the wire to wet and apply it to the sample plate.
(4) The appropriate length of fiber is cut rapidly using a sharp blade to complete the cut.
(5) The sample is taken away with a removal tool such as tweezers and the like, and the next step of sample preparation is observed.
Example one
Viewing carbon fiber surface morphology
(1) A bundle of SYT49 carbon fibers produced by the renaturation eagle carbon fiber company is selected, the length of a fiber tow is 7cm, and the spreading width of the tow is 3 mm.
(2) One end of the fiber is knotted and is buckled in a groove on one side of a first position of the sampling plate, the fiber is straightened, so that the fiber is buckled in a groove on the other side of the first position, and the fiber is tensioned, and the tightness is adjusted according to the requirement.
(3) And (3) selecting an industrial alcohol reagent, dripping the industrial alcohol reagent on the fiber to wet and attach the industrial alcohol reagent on the sampling plate.
(4) A sharp blade was used to cut a 1cm length of carbon fiber rapidly perpendicular to the fiber.
(5) And sampling by using a forceps to prepare an electron microscope sample, spraying gold, and placing in a scanning electron microscope for surface observation of the carbon fiber.
Example two
Observe the cross-sectional morphology of the carbon fiber
(1) A bundle of SYT49 carbon fibers produced by renaline eagle carbon fiber company is selected, the length of a fiber tow is 7cm, and the spreading width of the tow is 3 mm.
(2) One end of the fiber is knotted and is buckled in a groove on one side of a first position of the sampling plate, the fiber is straightened, and is buckled in a groove on the other side of the first position, so that the fiber is tensioned, and the tightness is adjusted according to the requirement.
(3) And (3) selecting an industrial alcohol reagent, dripping the industrial alcohol reagent on the fiber to wet and attach the industrial alcohol reagent on the sampling plate.
(4) A carbon fiber having a length of 1cm was cut rapidly along the fiber at an angle of 45 ° using a sharp blade.
(5) And (4) sampling by using a forceps, preparing an electron microscope sample, spraying gold, and placing in a scanning electron microscope for carbon fiber surface observation.
EXAMPLE III
Observing the surface of PAN precursor
(1) A bundle of PAN protofilaments of the type AC45 produced by the Fushenying carbon fiber company is selected, the length of the tows is 7cm, and the spreading width of the tows is 3 mm.
(2) One end of the silk bundle is knotted and is buckled in a groove on one side of a first position of the sampling plate, the silk thread is straightened, the silk thread is buckled in a groove on the other side of the first position, and the silk thread is tensioned, and the tightness is adjusted according to the requirements.
(3) And (3) selecting an industrial alcohol reagent, dripping the industrial alcohol reagent on the fiber to wet and attach the industrial alcohol reagent on the sampling plate.
(4) A PAN strand having a length of 1cm was cut rapidly perpendicular to the fiber using a sharp blade.
(5) And sampling by using a forceps to prepare an electron microscope sample, spraying gold, and placing in a scanning electron microscope for surface observation of the carbon fiber.
Example four
(1) A bundle of PAN protofilaments of the type AC45 produced by the Fushenying carbon fiber company is selected, the length of the tows is 7cm, and the spreading width of the tows is 3 mm.
(2) One end of the silk bundle is knotted, the silk bundle is buckled in a groove on one side of a first position of the sampling plate, the silk bundle is straightened, the silk bundle is buckled in a groove on the other side of the first position, the silk bundle is tensioned, the tightness is adjusted according to the requirement, and ten clamping grooves are continuously wound on the silk taking plate in sequence.
(3) And (3) selecting an industrial alcohol reagent, dripping the industrial alcohol reagent on the fiber to wet and attach the industrial alcohol reagent on the sampling plate.
(4) Ten PAN filaments of 1cm length were cut perpendicular to the fiber using a sharp blade to give ten filament samples.
(5) And sampling by using a forceps to prepare an electron microscope sample, spraying gold, and placing in a scanning electron microscope for surface observation of the carbon fiber.
Claims (7)
1. The utility model provides a sampling device for carbon fiber surface morphology is surveyd, its characterized in that includes a flexbile plate (1), and flexbile plate (1) longitudinal symmetry sets up ten draw-in grooves (2), and is located flexbile plate (1) middle marker plate (3), and marker plate (3) scale is corresponding with draw-in groove from top to bottom.
2. Sampling device for the surface topography observation of carbon fibers according to claim 1, characterized in that the flexible sheet (1) used is a plastic sheet.
3. The sampling device for observing the surface topography of carbon fibers as claimed in claim 2, wherein the plastic plate material is a polytetrafluoroethylene soft bendable material.
4. The sampling device for carbon fiber surface morphology observation according to claim 1, characterized in that the flexible plate (1) has a length of 1-30cm, a width of 1-15cm and a thickness of 0.1-1 cm.
5. The sampling device for carbon fiber surface morphology observation according to claim 1, characterized in that the size of the clamping groove (2) is 1-10mm of groove depth and 1-10mm of groove width, and is a right-angled triangular clamping groove, and the bottom of the clamping groove extends and is cut for 1-30 mm.
6. The sampling device for carbon fiber surface morphology observation according to claim 1, wherein the width between the two clamping grooves of the sampling plate is 10-100 mm.
7. Sampling device for the surface topography observation of carbon fibers according to claim 1, characterized in that the middle marker plate (3) is marked with numbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659964.2U CN216695635U (en) | 2021-03-31 | 2021-03-31 | A fibre sampling device for carbon fiber surface morphology is surveyd |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659964.2U CN216695635U (en) | 2021-03-31 | 2021-03-31 | A fibre sampling device for carbon fiber surface morphology is surveyd |
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| Publication Number | Publication Date |
|---|---|
| CN216695635U true CN216695635U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120659964.2U Active CN216695635U (en) | 2021-03-31 | 2021-03-31 | A fibre sampling device for carbon fiber surface morphology is surveyd |
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| Country | Link |
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| CN (1) | CN216695635U (en) |
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2021
- 2021-03-31 CN CN202120659964.2U patent/CN216695635U/en active Active
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