CN209264392U - The large-tow carbon fiber multifilament tensile sample preparation facilities of controllable tension - Google Patents
The large-tow carbon fiber multifilament tensile sample preparation facilities of controllable tension Download PDFInfo
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- CN209264392U CN209264392U CN201822141757.9U CN201822141757U CN209264392U CN 209264392 U CN209264392 U CN 209264392U CN 201822141757 U CN201822141757 U CN 201822141757U CN 209264392 U CN209264392 U CN 209264392U
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Abstract
The utility model discloses a kind of large-tow carbon fiber multifilament tensile sample preparation facilities of controllable tension, include deflector roll, central axis, bracket, weight and groove；Branch erects on operating surface, central axis is fixed on cradle top, multiple deflector rolls are fixed on center shaft, deflector roll is horizontally disposed and perpendicular to central axis, is parallel to each other between each deflector roll, groove is placed on operating surface and is located under central axis, carbon fiber multifilament upper end hangs over the end of deflector roll, the lower end of carbon fiber multifilament hangs with weight, and weight is located at groove 6, and groove limits the swing of weight.The utility model energy active control carbon fiber tension, measures the tensile property of carbon fiber, can objectively evaluate fibre property, reduce influence of the human factor to sample preparation.Preparation facilities is simple, easy to operate.
Description
Technical field
The utility model belongs to carbon fibre material preparation technical field, is related to a kind of controllable tension large-tow carbon fiber multifilament
Tensile sample preparation facilities.
Background technique
Now, carbon fiber is one of most important reinforcement of advanced composite material, the tensile strength and springform of carbon fiber
Amount is the key that realize composite structure performance.It is excellent that carbon fibre composite has that light weight, intensity are high, elasticity modulus is high
Point has huge contribution to the performance boost of the energy (wind-powered electricity generation), weaponry, is widely used in manufacturing fan blade, aircraft
The great national defence such as body and engine, missile shell and industrial circle, it has also become develop the essential green wood of Modern Strategic Weapon
One of material.
In industrial carbon fiber dependence test, the intensity of fiber, mould will be carried out to the intensity and modulus of carbon fiber
The performance parameters such as amount, finally determine the performance of composite material.Currently, being surveyed in the industrial production to carbon fiber multifilament tensile strength
Examination, main preparation facilities is too simple, not can solve in preparation process carbon fiber multifilament the tension for preparing tensile sample not
The straight problem of equal problem and fiber, is caused when fiber prepares sample, phenomena such as twisting, overturning is occurred, is caused testing
Tensile sample intensity, the modulus inaccuracy of carbon fiber, and when preparing sample, it is poor that each technical staff prepares sample
It is different, the otherness of probe intensity, modulus is caused, causes performance of fiber itself that cannot really reflect.Generally for carbon
For fibre property, the tensile strength of objective appraisal carbon fiber multifilament is that the demand of itself and client are set out, and is objectively commented
Valence carbon fiber performance is also the demand guarantee to downstream client, while being also to carbon fiber industry to carbon fiber controlling of production process
Important references parameter, this patent provide a kind of controllable tension large-tow carbon fiber multifilament tensile sample preparation facilities and
Method, the above-mentioned problem of very good solution, to the evaluation of industrial carbon fiber has certain directive significance.
Summary of the invention
The purpose of this utility model is to provide a kind of preparations of the large-tow carbon fiber multifilament tensile sample of controllable tension to fill
It sets, solves the tension unevenness and the straight uneven problem of fiber of carbon fiber sample preparation, it is manually operated not to reduce technical staff
Certainty.
The utility model includes deflector roll, central axis, bracket, weight and groove；Branch erects on operating surface, and central axis is solid
It is scheduled on cradle top, multiple deflector rolls are fixed on center shaft, and deflector roll is horizontally disposed and perpendicular to central axis, mutually flat between each deflector roll
Row, groove are placed on operating surface and are located under central axis, and carbon fiber multifilament upper end hangs over the end of deflector roll, carbon fiber multifilament
Lower end hangs with weight, and weight is located at groove 6, and groove limits the swing of weight.
A kind of large-tow carbon fiber multifilament method for preparing tensile sample of controllable tension the following steps are included:
(1) large-tow carbon fiber infiltrates；First prepare epoxy resin adhesive liquid, the epoxy resin adhesive liquid impregnation time 0.5~
20min impregnation is completed, then the large-tow carbon fiber multifilament winding after impregnation is hung on main frame, and the weight for hanging indicated weight is adjusted
The tension of carbon filament controls the tension of carbon fiber multifilament after impregnation；
(2) solidification of large-tow carbon fiber: the sample of preparation be put into intelligence adjust baking oven, solidification temperature be 100~
150 DEG C, curing time is 30~150min；
(3) large-tow carbon fiber is cut out；The preparation test sample of the carbon fiber multifilament after solidifying is cut, specimen length is national standard
Test corresponding length；
(4) prepared by tensile sample.
In above-mentioned technical proposal, the tension force is weight control；The weight such as is at the counterweights of weight, the rowland etc.
The quality of weight body, weight controls Tensity size, realizes that large-tow carbon fiber sample prepares tension regulation；
After tension force, due to the suspension of weight, the constant of tension is realized in all processes of sample preparation, is solved
The whole tension force problem of sample of having determined preparation.
Fixation for weight after suspension, using groove, weight in the trench, make by the swing for reducing weight after making suspension
Phenomena such as at the swing of fiber samples, fracture of wire.
It is that epoxy resin, phenol aldehyde modified epoxy resin, polyester modified epoxy resin, polyurethane change in above-mentioned impregnation resin
One of the general purpose epoxy resins systems or modified epoxy resin system such as property epoxy resin or more than one.According to stretching for fiber
The selected compound resin or single resin to match of long rate；
Specific step is as follows for a kind of large-tow carbon fiber multifilament method for preparing tensile sample of above-mentioned controllable tension:
Method for making sample is the following steps are included: (1) large-tow carbon fiber infiltrates；Epoxy resin adhesive liquid is first prepared, in asphalt mixtures modified by epoxy resin
The rouge glue impregnation time completes in 0.5~20min impregnation, then the large-tow carbon fiber multifilament winding after impregnation is hung over main frame
On, the weight for hanging indicated weight adjusts the tension of carbon filament, controls the tension of carbon fiber multifilament after impregnation；(2) large-tow carbon fiber is solid
Change: the sample of preparation being put into intelligence and adjusts baking oven, is 100~150 DEG C in solidification temperature, curing time is 30~150min；
(3) large-tow carbon fiber is cut out after solidifying；The preparation test sample of the carbon fiber multifilament after solidifying is cut, specimen length is state's mapping
Try corresponding length；(4) prepared by tensile sample.
Compared with prior art, the utility model has the advantage that
The utility model energy active control carbon fiber tension, measures the tensile property of carbon fiber, can objectively evaluate fiber
Performance reduces influence of the human factor to sample preparation.Preparation facilities is simple, easy to operate, and test method is simple and effective, and test is fine
It is good to tie up stability.It is accurate and reliable to the evaluation comparison of fiber self performance, it is widely used in the evaluation of industrial production fiber,
For more traditional preparation facilities, realize in industrial production carbon fiber constant tension control and latex bonded fibre it is straight
Problem more accurately reflects the tensile strength and modulus of carbon fiber.
The utility model is applicable not only to large-tow carbon fiber, is also applied for the carbon fiber of each type of 1K~100K, together
When be suitable for dry-jet wet-spinning carbon fiber, wet spinning carbon fiber and gel spinning carbon fiber, be suitable for intensity type, modulus type carbon
Fiber, including high modulus graphite fiber.As desired by control Tensity size in use process, different cultivars carbon fiber is adjusted
Then required tension reaches the constant-tension of fiber, the straight and test accuracy of fiber samples in this tension.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, the utility model includes deflector roll 1, central axis 2, bracket 3, weight 5 and groove 6；Bracket 3 is stood
On operating surface, central axis 2 is fixed on 3 top of bracket, and multiple deflector rolls 1 are fixed on central axis 2, and deflector roll 1 is horizontally disposed and vertical
It is parallel to each other between central axis 2, each deflector roll 1, groove 6 is placed on operating surface and is located under central axis 2, on carbon fiber multifilament 4
End hangs over the end of deflector roll 1, and the lower end of carbon fiber multifilament 4 hangs with weight 5, and weight 5 is located in groove 6, and groove 6 limits weight 5
Swing.
The large-tow carbon fiber multifilament tensile sample method of controllable tension:
Embodiment 1:
As shown in fig.1, its method is as follows:
(1) first prepare epoxy resin adhesive liquid A50g, that curing agent 1.70g, diluent 60.0g are stirred 3.0min is uniform,
It is stand-by to stand 5.0min；
(2) large-tow carbon fiber is completed in the epoxy resin adhesive liquid impregnation time in 1.0min impregnation, then will be big after impregnation
The winding of tow carbon fiber multifilament is hung on deflector roll 1, and the weight of suspension indicated weight 0.5kg adjusts the tension of carbon filament, controls carbon after impregnation
The tension of fiber multifilament；
(3) large-tow carbon fiber solidifies: the main frame of the sample of preparation being put into intelligence and is adjusted in baking oven, in solidification temperature
It is 120 DEG C, curing time 120min；
(4) solidification completion back frame body 3 is taken out, and cuts out large-tow carbon fiber, cuts the preparation of the carbon fiber multifilament after solidifying
Test sample, specimen length are that national standard tests corresponding length；(5) reinforced sheet is pasted to sample and carries out secondary curing, with 6101 rings
Oxygen resin and triethylene tetramine stir evenly stickup sample according to the proportions of 10:1, complete two in 100 DEG C of solidification 60min
Secondary solidification, then carry out the extension test of sample.The mechanical performance data of the large-tow carbon fiber of acquisition, the results are shown in Table 1；
Embodiment 2:
Step is substantially the same manner as Example 1, is a difference in that the tension for applying 1.0kg in step 2 carries out tension to carbon filament
Adjustment；Curing time, temperature are identical as 1 parameters of embodiment, the intensity of the large-tow carbon fiber of acquisition, Moduli data,
It the results are shown in Table 1；
Embodiment 3:
Step is substantially the same manner as Example 1, is a difference in that the tension for applying 1.5kg in step 2 is carried out to carbon filament tension
Adjustment；Curing time, temperature are identical as 1 parameters of embodiment, the intensity of the large-tow carbon fiber of acquisition, Moduli data,
It the results are shown in Table 1；
Embodiment 4:
Step is substantially the same manner as Example 1, is a difference in that the tension for applying 2.0kg in step 2 is carried out to carbon filament tension
Adjustment；Curing time, temperature are identical as 1 parameters of embodiment, the intensity of the large-tow carbon fiber of acquisition, Moduli data,
It the results are shown in Table 1；
Embodiment 5:
Step is identical as the every basic parameter of embodiment 1, and the change impregnation time is 2.0min, applies 1.0kg's in step 2
Tension carries out the adjustment of tension to carbon filament；Curing time, temperature are same as Example 1, the mechanics of the large-tow carbon fiber of acquisition
Performance data the results are shown in Table 1；
Embodiment 6:
Step is identical as 1 parameters of embodiment, and the change impregnation time is 10min, applies the tension of 1.0kg in step 2
The adjustment of tension is carried out to carbon filament；Curing time, temperature are same as Example 1, the mechanical property of the large-tow carbon fiber of acquisition
Data the results are shown in Table 1；
Comparative example:
Experimental process parameters are identical as 1 operations parameter of embodiment, and the tension applied is taking human as the uncertain of winding
As a comparative reference, the impregnation time is 1.0min to tension；Other technological parameters are identical as the technological parameter of embodiment 1, stretch and survey
The mechanical performance data for trying the large-tow carbon fiber obtained, the results are shown in Table 1；
1 carbon fiber mechanical performance data of table
For embodiment 1-4 compared with comparative example, the whole-process control of tension cannot specify carbon filament compared to comparative example
Solidifying whole tension force, the controllability of tension is the mechanical property for being conducive to control large-tow carbon fiber；
It being compared from embodiment 1-6 as can be seen that apply tension in 1.5kg, the impregnation time is under the process conditions of 1.0min,
The carbon filament sample mechanical performance data prepared is higher, and intensity can achieve 4862MPa, modulus 248GPa；
The tension applied for different types of fiber is different, this practicability utility model is simple and effective, easy to operate fast
Victory, is conducive to the test of high-volume carbon filament, and the utility model is suitable for the carbon fiber and other types of each type of 1K~100K
Fiber, at the same be suitable for dry-jet wet-spinning carbon fiber, wet spinning carbon fiber and gel spinning carbon fiber, be suitable for intensity type,
Modulus type carbon fiber, including high modulus graphite fiber.
Claims (1)
1. a kind of large-tow carbon fiber multifilament tensile sample preparation facilities of controllable tension, it is characterised in that: include deflector roll
(1), central axis (2), bracket (3), weight (5) and groove (6)；Bracket (3) is stood on operating surface, and central axis (2) is fixed on branch
At the top of frame (3), multiple deflector rolls (1) are fixed on central axis (2), and deflector roll (1) is horizontally disposed and perpendicular to central axis (2), are respectively led
Roller is parallel to each other between (1), and groove (6) is placed on operating surface and is located under central axis (2), and carbon fiber multifilament (4) upper end is hung over
The end of deflector roll (1), the lower end of carbon fiber multifilament (4) are hung with weight (5), and weight (5) is located in groove (6), groove (6) limitation
The swing of weight (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822141757.9U CN209264392U (en) | 2018-12-19 | 2018-12-19 | The large-tow carbon fiber multifilament tensile sample preparation facilities of controllable tension |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822141757.9U CN209264392U (en) | 2018-12-19 | 2018-12-19 | The large-tow carbon fiber multifilament tensile sample preparation facilities of controllable tension |
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| CN209264392U true CN209264392U (en) | 2019-08-16 |
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Address after: 117 Kunlun Street, Jilin Economic and Technological Development Zone, Jilin City, Jilin Province, 132101 Patentee after: Jilin Baojing carbon material Co.,Ltd. Address before: 117 Kunlun Street, Jilin Economic and Technological Development Zone, Jilin City, Jilin Province, 132101 Patentee before: Jilin Jinggong Carbon Fiber Co.,Ltd. |