CN208125482U - A kind of carbon fiber multifilament tensile bars sample preparation frame - Google Patents
A kind of carbon fiber multifilament tensile bars sample preparation frame Download PDFInfo
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- CN208125482U CN208125482U CN201820758854.XU CN201820758854U CN208125482U CN 208125482 U CN208125482 U CN 208125482U CN 201820758854 U CN201820758854 U CN 201820758854U CN 208125482 U CN208125482 U CN 208125482U
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Abstract
The utility model relates to a kind of carbon fiber multifilament tensile bars sample preparation framves, which is characterized in that it includes sample preparation frame body, three bars and limited block；One end of sample preparation frame body, is equipped with opening, and a side is equipped with strip groove at the end A；The other end of sample preparation frame body is equipped with two bars with strip groove same side；Limited block is mounted in sample preparation frame body by screw.The utility model is mainly characterized by the raising mechanical property test of carbon fiber precision in terms of two, sample preparation frame, which only makes a round trip i.e. for mass of fibers, can provide the needs for meeting 10 battens, reduce traditional sample preparation frame reciprocal 10 times brought by sample preparation difference between batten.
Description
Technical field
The utility model relates to carbon fiber equipment technical fields, specifically, being a kind of carbon fiber multifilament tensile bars system
Sample rack.
Background technique
Polyacrylonitrile-based carbon fibre is a kind of artificial synthetic fiber, is passed through by acrylonitrile and itaconic acid or other comonomers
The fibrous polymer obtained after the processing of the series of process such as polymerization, spinning, pre-oxidation and carbonization.Polyacrylonitrile-based carbon fibre
With high specific strength, high ratio modulus, high temperature resistant, resistant to chemical etching, endurance, heat-resisting, shock resistance, anti-radiation, easy conductive, heat transfer
With a series of excellent properties such as specific gravity is small, belong to typical high-performance fiber.And the mechanical performance index of carbon fiber is to judge carbon
The main foundation of fiber product specification and grade, from high-strength carbon fiber to high-strength and high-modulus type carbon fiber, the carbon fiber of various models
Tieing up product, none is divided by fibrous mechanical property.The mechanical property characterization of carbon fiber is divided into filament stretch and multifilament
It stretches, because filament stretch is difficult to symbolize the true mechanical property of carbon fiber, and the later period is answered in its test because fluctuation is larger
Little with directive significance, therefore, the multifilament stretching of carbon fiber is the characterizing method being widely used in current field.
The multifilament drawing process of carbon fiber has carried out certain specification in national standard GBT3362-2005, normative content only for
The multifilament tensile bars of 1K-12K carbon fiber only make reference the fiber of 12K or more, provide that every bundle fiber needs sample preparation in national standard
Item 10, it is desirable that the batten after impregnation should be fixed under some tension, but the not clearly introduction of sample preparation device.And carbon fiber
Sample preparation device used in each manufacturer also respectively has feature, such as steel frame used in large scale test, first twines fiber
It is wound on steelframe and carries out impregnation again, the tension during the method not can guarantee fiber impregnation and after impregnation, there are also producers to use band
The shelf of spring, mass of fibers reciprocal 10 times, but tension when winding shelf is still the influence by human factor, leads to batten
Between tension it is uneven.The user of requirement in face of to(for) carbon fiber performance and stability is increasingly harsh, is become using high-precision sample preparation frame
It obtains very necessary.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of carbon fiber multifilament tensile bars sample preparation
Frame.
The purpose of this utility model is achieved through the following technical solutions：
A kind of carbon fiber multifilament tensile bars sample preparation frame, it includes sample preparation frame body, three bars and limited block；Three gears
Bar is respectively the first bar, the second bar, third bar；
One end of sample preparation frame body is denoted as the end A, is equipped with opening, and a side of sample preparation frame body is equipped with strip groove at the end A；
The other end of sample preparation frame body is denoted as the end B, is equipped with the second bar and third bar, gear with strip groove same side
Bar is perpendicular to sample preparation frame body side；
Limited block is arranged in sample preparation frame body by screw, limited block centre distance sample preparation frame body A end face 10cm；
The half of threaded rod is equipped with screw thread, and half is non-threaded, and the non-threaded end of threaded rod welds first after passing through limited block
Bar, the first bar is perpendicular to sample preparation frame body side；The threaded end of threaded rod passes through the opening of the end face sample preparation frame body A.
Sample preparation frame body is the rectangular cavities that are welded by six pieces of stainless steel plates, wherein two pieces are identical square, it is square
The square of the side length 5cm of shape, in addition four pieces are identical rectangle, and a length of 50 centimetres of rectangle, rectangle width is 5 centimetres.Wherein one
End (end schematic diagram A) opening is passed through for threaded rod, and strip groove is opened at the end A in one of side.The other end of sample preparation frame body, note
For the end B, the second bar and third bar are welded with strip groove same side is opened, bar is perpendicular to sample preparation frame body side.
Limited block is mounted in sample preparation frame body by screw, and limited block centre distance sample preparation frame body A end face 10cm is making
Sample rack body length direction, limited block open circular hole, and circular hole is directly slightly larger than screw thread shank diameter, it is ensured that after threaded rod passes through limited block
It move freely, and threaded rod cross-section center point is overlapped with sample preparation frame kernel of section.
Threaded rod is stainless steel, and the half of threaded rod is equipped with screw thread, and half is non-threaded, and the non-threaded end of threaded rod passes through
The first bar is welded after limited block, the first bar is perpendicular to sample preparation frame body side；The threaded end of threaded rod passes through sample preparation frame body A
The opening of end face installs goat's horn nut after covering upper spring, and spring cross-sectional diameter is greater than the end face A circular hole, is blocked in sample preparation frame body
Except.
Threaded rod bar and sample preparation frame body bumping post distance are 1 meter -1.05 meters (screw thread bar is scalable).
When carrying out sample preparation operation using sample preparation frame provided by the utility model, operator will soak fiber one end of glue
It is fixed on second bar at the end sample preparation frame B, around the first bar of threaded rod, the other end is fixed on to the third at the end sample preparation frame B
Bar adjusts goat's horn nut, so that fiber is slowly tensioned, spring is in some tension, completes a sample preparation, sample preparation frame is placed
Solidified in baking oven according to technological temperature, carbon fiber multifilament tensile bars can be obtained.
Compared with prior art, the good effect of the utility model is：
The utility model is mainly characterized by the raising mechanical property test of carbon fiber precision in terms of two, first is that utilizing spiral shell
The combination of rasp bar, spring, goat's horn nut, it is ensured that batten guarantees certain tension in the curing process, so that in fibre bundle
Monofilament is in parallel tensioning state, and batten can guarantee monofilament stress simultaneously when stretching, to improve the reliable of mechanical property
Property, second is that comparing previous method for making sample, sample preparation frame provided by the utility model, which only makes a round trip i.e. for mass of fibers, be can provide
The needs for meeting 10 battens, reduce traditional sample preparation frame reciprocal 10 times brought by sample preparation difference between batten.
Detailed description of the invention
The top view of Fig. 1 a multifilament tensile bars sample preparation frame；
The side view of Fig. 1 b multifilament tensile bars sample preparation frame；
The cross-sectional view of Fig. 1 c multifilament tensile bars sample preparation frame；
The structure chart of Fig. 1 d multifilament tensile bars sample preparation frame；
Label in attached drawing be：1, sample preparation frame body；2, threaded rod；3, goat's horn nut；4, spring；5, the first bar；6,
Two bars；7, third bar；8, limited block.
Specific embodiment
A kind of specific embodiment of carbon fiber multifilament tensile bars sample preparation frame of the utility model presented below.
Embodiment 1
Refer to attached drawing 1a, Fig. 1 b, Fig. 1 c, Fig. 1 d, a kind of carbon fiber multifilament tensile bars sample preparation frame, a kind of carbon fiber is multiple
Silk tensile bars sample preparation frame, it includes sample preparation frame body, three bars and limited block；Three bars are respectively the first bar, the
Two bars, third bar；
One end of sample preparation frame body 1 is denoted as the end A, is equipped with opening, and a side is equipped with strip groove at the end A；
The other end of sample preparation frame body is denoted as the end B, is equipped with the second bar and third bar, gear with strip groove same side
Bar is perpendicular to sample preparation frame body side；
Limited block is mounted in sample preparation frame body by screw, limited block centre distance sample preparation frame body A end face 10cm.
Sample preparation frame body is the rectangular hollow cavity that is welded by six pieces of stainless steel plates.One end (schematic diagram A of sample preparation frame body
End) being open passes through for threaded rod, and strip groove is opened at the end A in one of side.The other end of sample preparation frame body is denoted as the end B, and opens
The second bar 6 and third bar 7 are welded in strip groove same side, and bar is perpendicular to sample preparation frame body side.
Sample preparation frame body is welded by the stainless steel plate of thick 1.5mm, and cross section is the square of side length 5cm, two end seals
It closes.Wherein one end (end schematic diagram A) opening is passed through for threaded rod, and strip groove is opened at the end A in one of side.Sample preparation frame body it is another
Outer one end is denoted as the end B, welds the second bar 6 and third bar 7 with strip groove same side is opened, bar is perpendicular to sample preparation frame body
Side.
Limited block 8 is mounted in sample preparation frame body by screw, and limited block centre distance sample preparation frame body A end face 10cm is making
Sample rack body length direction, limited block open circular hole, and circular hole is directly slightly larger than screw thread shank diameter, it is ensured that after threaded rod passes through limited block
It move freely, and threaded rod cross-section center point is overlapped with sample preparation frame kernel of section.
Threaded rod 2 is stainless steel, and the half of threaded rod is equipped with screw thread, and half is non-threaded, and the non-threaded end of threaded rod is worn
The first bar 5 is welded after crossing limited block, the first bar is perpendicular to sample preparation frame body side；The threaded end of threaded rod passes through sample preparation frame
The end face body A circular hole installs goat's horn nut 3 after covering upper spring 4, and 4 cross-sectional diameter of spring is greater than the end face A circular hole, is blocked in sample preparation
Except frame body.
Threaded rod bar and sample preparation frame body bumping post distance are 1 meter -1.05 meters (screw thread bar is scalable).
The comparison of using effect has been carried out using the same axis 25K carbon fiber of our company, has used sample preparation frame provided by the present application
When, the fiber one end for having soaked glue is fixed on the bumping post at the end sample preparation frame B by operator, bypasses threaded rod bumping post, the other end is consolidated
It is scheduled on the end sample preparation frame B bumping post, adjusts goat's horn nut, so that fiber is slowly tensioned, spring is in some tension, completes primary system
Sample preparation frame is placed in baking oven and solidifies according to technological temperature by sample, and carbon fiber multifilament tensile bars can be obtained.Before use
The comparison of tensile strength of fiber index is as shown in the table afterwards, and after the application device comes into operation, tensile strength of fiber CV value obviously drops
It is low.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvements and modifications without departing from the concept of the premise utility, these improvements and modifications
Also it should be regarded as in the protection scope of the utility model.
Claims (2)
1. a kind of carbon fiber multifilament tensile bars sample preparation frame, which is characterized in that it includes sample preparation frame body, three bars and limit
Block；Three bars are respectively the first bar, the second bar, third bar；
One end of sample preparation frame body is denoted as the end A, is equipped with opening, and a side of sample preparation frame body is equipped with strip groove at the end A；
The other end of sample preparation frame body is denoted as the end B, is equipped with the second bar and third bar, second gear with strip groove same side
Bar and third bar are perpendicular to sample preparation frame body side；
Limited block is arranged in sample preparation frame body by screw, limited block centre distance sample preparation frame body A end face 10cm；
The half of threaded rod is equipped with screw thread, and half is non-threaded, and the first bar is welded after passing through limited block in the non-threaded end of threaded rod,
First bar is perpendicular to sample preparation frame body side；The threaded end of threaded rod passes through the opening of the end face sample preparation frame body A.
2. a kind of carbon fiber multifilament tensile bars sample preparation frame as described in claim 1, which is characterized in that in sample preparation frame body length
Direction, limited block are equipped with circular hole, and the diameter of circular hole is directly greater than screw thread shank diameter, and threaded rod cross-section center point and sample preparation frame
Kernel of section is overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820758854.XU CN208125482U (en) | 2018-05-22 | 2018-05-22 | A kind of carbon fiber multifilament tensile bars sample preparation frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820758854.XU CN208125482U (en) | 2018-05-22 | 2018-05-22 | A kind of carbon fiber multifilament tensile bars sample preparation frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208125482U true CN208125482U (en) | 2018-11-20 |
Family
ID=64185275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820758854.XU Active CN208125482U (en) | 2018-05-22 | 2018-05-22 | A kind of carbon fiber multifilament tensile bars sample preparation frame |
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| Country | Link |
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| CN (1) | CN208125482U (en) |
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2018
- 2018-05-22 CN CN201820758854.XU patent/CN208125482U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 312000 91 hills, Binhai Industrial Zone, Keqiao District, Shaoxing, Zhejiang Patentee after: Zhejiang Baojing carbon material Co.,Ltd. Patentee after: ZHEJIANG JINGYE XINXING MATERIAL Co.,Ltd. Address before: 312030 Zhejiang Jinggong Carbon Fiber Co., Ltd., jiuyiqiu, Binhai Industrial Zone, Keqiao District, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG JINGGONG CARBON FIBER Co.,Ltd. Patentee before: ZHEJIANG JINGYE XINXING MATERIAL Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220713 Address after: 312000 91 hills, Binhai Industrial Zone, Keqiao District, Shaoxing, Zhejiang Patentee after: Zhejiang Baojing carbon material Co.,Ltd. Address before: 312000 91 hills, Binhai Industrial Zone, Keqiao District, Shaoxing, Zhejiang Patentee before: Zhejiang Baojing carbon material Co.,Ltd. Patentee before: ZHEJIANG JINGYE XINXING MATERIAL Co.,Ltd. |
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| TR01 | Transfer of patent right |