CN103954472A - Device and method for testing density of fiber composite silk thread - Google Patents
Device and method for testing density of fiber composite silk thread Download PDFInfo
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- CN103954472A CN103954472A CN201410165153.1A CN201410165153A CN103954472A CN 103954472 A CN103954472 A CN 103954472A CN 201410165153 A CN201410165153 A CN 201410165153A CN 103954472 A CN103954472 A CN 103954472A
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- 239000000835 fiber Substances 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000012360 testing method Methods 0.000 title claims abstract description 8
- 239000002131 composite material Substances 0.000 title abstract 5
- 238000005070 sampling Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 27
- 229910000746 Structural steel Inorganic materials 0.000 abstract 4
- 238000010998 test method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000001739 density measurement Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Abstract
The invention relates to a device and a method for testing the density of a fiber composite silk thread. A vertical locating cylinder is arranged at one end of a hexahedral mounting base, a horizontally winding cylinder is arranged at the other end of the hexahedral mounting base, angle iron (4) is arranged on the surface of the hexahedral mounting base, the middle position of the fiber composite silk thread (5) takes the vertical locating cylinder (2) as a supporting point, two ends of the fiber composite silk thread (5) penetrate through a gap (41) between the angle iron (4) and the hexahedral mounting base (1) to be wound on the horizontally winding cylinder (3) and fixed by a first clamp (61) and a second clamp (62), a fiber cutting position (7) is positioned between the angle iron (4) and the horizontally winding cylinder (3), and a fiber hand-pressing position (8) is positioned between the angle iron (4) and the hexahedral mounting base (2). A sampling table for testing the density of the fiber composite silk thread can be operated by one operator, the tension can be accurately controlled, one knife can cut two ends of the fiber, the sampling length is long and the data is accurate.
Description
Technical field
The present invention relates to a kind of proving installation and method of testing of fiber multifilament threads density.
Background technology
GB/T 3362-2005 carbon fiber tensile property of multi-filament test methods and GJB348-87 aramid fiber tensile property of multi-filament method of testing have the test link of multifilament threads density, GB/T 3362-2005 samplings are as the criterion so that fiber multifilament is stretching, some is simple for method, and the tension force metering in GJB348-8 fiber multifilament when sampling and control accurate not, and when operation in, at least needs two positions that two people cut two fibers to obtain the fiber of certain length, troublesome poeration.
C.2 chapters and sections in the appendix C of GB/T3362-2005 " carbon fiber tensile property of multi-filament test method " national standard are recorded:
C.2 the mensuration of multifilament threads density.
C.2.1 stretching fiber multifilament, intercept three 1 meter of long multifilament, measure be accurate to ± 0.5mm of length.
C.2.2 use ten thousand/balance to weigh sample, be accurate to 0.0001g.Get the arithmetic mean of three multifilament sample measurement results, as multifilament threads density (t).
Although GB requires to measure be accurate to ± 0.5mm of length, this error range can badly influence the measurements and calculations precision of multifilament threads density (t).
In addition, in GJB348-87 " aramid fiber tensile property of multi-filament method of testing cement-dipping method " GJB mark: 2.1.3 measures multifilament quality.Before and after dipping, on sampling bench (seeing Fig. 4), respectively get the long not impregnation multifilament (being accurate to 0.5mm) of three lm, weigh respectively (being accurate to 0.1mg), get arithmetic mean as every meter of multifilament quality of impregnation not, be designated as G1, length note L1.
As can be seen here, in two GBs common defect be sample length short, only 1 meter, sampling tension force precision is low, troublesome poeration.
Summary of the invention
The present invention has designed a kind of proving installation and method of testing of fiber multifilament threads density, the technical matters of its solution is existing fiber multifilament threads density measurement sampling tension force control out of true, can cause the inconsistent generation test error of fiber degree of tightness, and when operation in, needs two people to press respectively above and two positions of cutting fibre, only 1 meter of sample length, complex operation, easy test generation error.
In order to solve the technical matters of above-mentioned existence, the present invention has adopted following scheme:
A kind of proving installation of fiber multifilament threads density, comprise hexahedron mount pad (1), one end of hexahedron mount pad (1) be provided with perpendicular positioning cylinder (2), the level that is provided with of the other end of hexahedron mount pad (1) is wound around cylinder (3), is provided with an angle bar (4) on hexahedron mount pad (1) surface; Fiber multifilament (5) middle part is taking perpendicular positioning cylinder (2) as fulcrum, the level that is wrapped in behind parallel gap (41) through angle bar (4) and hexahedron mount pad (1), fiber multifilament (5) two ends is wound around cylinder (3) above and is fixed by the first fixture (61) and the second fixture (62) respectively, cutting fibre position (7) is positioned at angle bar (4) and level is wound around between cylinder (3), adjacent angle bar (4); Hand is pressed position of fibers (8) and is positioned between angle bar (4) and perpendicular positioning cylinder (2), adjacent angle bar (4).
Further, the diameter that perpendicular positioning cylinder (2) and level are wound around cylinder (3) is identical, the intersect vertical axis of the axis of perpendicular positioning cylinder (2) and level winding cylinder (3) in same plane to guarantee that fiber multifilament (5) two ends are parallel to each other.
Further, angle bar (4) is a right-angle structure, and an one right-angle side is fixedly connected with a vertical plane of hexahedron mount pad (1), and a surface level of its another right-angle side and hexahedron mount pad (1) forms described gap (41).
Further, the width of described gap (41) is 2mm.
Further, fiber multifilament (5) one end is wrapped in level and is wound around cylinder (3) above, and fiber multifilament (5) other end is wrapped in the opposite direction level and is wound around cylinder (3) above, and fiber multifilament (5) two ends are cross-laminated at the position of fixture (62) clamping.
Further, on a circle fiber multifilament (5) of the most close level winding cylinder (3) root, carry additionally weight (6).
Further, the xsect that the hook of described weight (6) contacts with fiber multifilament (5) is for circular, and the diameter of described circle is identical with the diameter that perpendicular positioning cylinder (2) and level are wound around cylinder (3).
Further, the fiber multifilament (5) of variety classes, different size adopts the weight (6) of Different Weight, and identical to guarantee fiber degree of tightness state, sample length is accurately high, can effectively improve the measuring accuracy of multifilament threads density.
Further, the surface of contact between the first fixture (61) and fiber multifilament (5) is that cambered surface contacts, and the surface of contact between the second fixture (62) and fiber multifilament (5), for cambered surface contacts, does not damage fiber to guarantee to clamp yet.
A kind of method of testing of fiber multifilament threads density, comprise the following steps: step 1, get the fiber multifilament (5) of certain length, after fiber multifilament (5) is walked around to perpendicular positioning cylinder (2), two ends are pulled to the flat position that is wound around cylinder (3) of backwater, the gap (41) of fiber multifilament (5) two ends through angle bar (4) and hexahedron mount pad (1) in this process again; Step 2, first fiber multifilament (5) one end is wound around to cylinder (3) in level and is wound around some circles, and clamp with the first fixture (61), a circle fiber multifilament (5) that is wound around cylinder (3) root in the most close level is carried additionally weight (6); Step 3, strain the other end of fiber multifilament (5) simultaneously, and direction contrary with other end fiber multifilament (5) this end fiber multifilament (5) is wrapped on the position of horizontal cylinder near-end, and clamp with the second fixture (62), fiber multifilament (5) is two sections of parallel lines and the half-turn that is wound around perpendicular positioning cylinder (2) in the contact portion on hexahedron mount pad (1) surface, and in tensioning state; Step 4, hand of operating personnel are pressed position of fibers (8) at hand and are pressed fiber multifilament (5), and the hand-held cutter of another, at cutting fibre position (7) vertical cut staple multifilament (5), can obtain the fiber multifilament that a segment length precision is very high.
Compared with the proving installation and method of testing of the proving installation of this fiber multifilament threads density and method of testing and traditional fiber multifilament threads density, there is following beneficial effect:
(1) people of fiber multifilament threads density measurement sampling bench of the present invention can operate, and tension force control is accurate, two that a cutter can cut staple, and cutter is cut position of fibers angle bar location, can not produce skew, and method of operating is simple and easy to do; Sample length is more accurate, and length is longer, and measuring accuracy is higher.
(2) the weight hook that the present invention adopts is identical with the diameter of the round section diameter of fiber multifilament contact site and perpendicular positioning cylinder and level winding cylinder, while making to sample, the height of the tension force of fiber and weight position is irrelevant, the constant tension of guaranteeing every sub-sampling, length accuracy is high.
Brief description of the drawings
Fig. 1: the perspective view of the proving installation of fiber multifilament threads density of the present invention;
Fig. 2: the front view of the proving installation of fiber multifilament threads density of the present invention;
Fig. 3: the vertical view of the proving installation of fiber multifilament threads density of the present invention;
Fig. 4: the left view of the proving installation of fiber multifilament threads density of the present invention;
Fig. 5: the work schematic diagram I of the proving installation of fiber multifilament threads density of the present invention;
Fig. 6: the work schematic diagram II of the proving installation of fiber multifilament threads density of the present invention;
Fig. 7: the work schematic diagram III of the proving installation of fiber multifilament threads density of the present invention;
Fig. 8: the work schematic diagram IV of the proving installation of fiber multifilament threads density of the present invention;
Fig. 9: the fiber multifilament cutting work schematic diagram I of the proving installation of fiber multifilament threads density of the present invention;
Figure 10: the fiber multifilament cutting work schematic diagram II of the proving installation of fiber multifilament threads density of the present invention;
Figure 11: the fiber multifilament cutting work schematic diagram III of the proving installation of fiber multifilament threads density of the present invention.
Description of reference numerals:
1-hexahedron mount pad; 2-perpendicular positioning cylinder; 3-level is wound around cylinder; 4-angle bar; 41-gap; 5-fiber multifilament; 6-weight; The 61-the first fixture; The 62-the second fixture; 7-cutting fibre position; 8-hand is pressed position of fibers.
Embodiment
Below in conjunction with Fig. 1 to Figure 11, the present invention will be further described:
As Figure 1-4, a proving installation for fiber multifilament threads density, comprises hexahedron mount pad 1, one end of hexahedron mount pad 1 be provided with perpendicular positioning cylinder 2, the level that is provided with of the other end of hexahedron mount pad 1 is wound around cylinder 3, is provided with an angle bar 4 on hexahedron mount pad 1 surface; Fiber multifilament 5 middle parts are taking perpendicular positioning cylinder 2 as fulcrum, the level that is wrapped in behind parallel gap 41 through angle bar 4 and hexahedron mount pad 1, fiber multifilament 5 two ends is wound around on cylinder 3 and is fixed by the first fixture 61 and the second fixture 62 respectively, cutting fibre position 7 is wound around between cylinder 3 at angle bar 4 and level, adjacent angle bar, hand is pressed position of fibers 8 between angle bar 4 and perpendicular positioning cylinder 2, adjacent angle bar.
The diameter that perpendicular positioning cylinder 2 and level are wound around cylinder 3 is identical, the intersect vertical axis of the axis of perpendicular positioning cylinder 2 and level winding cylinder 3 in same plane to guarantee that fiber multifilament 5 two ends are parallel to each other.
Angle bar 4 is a right-angle structure, and an one right-angle side is fixedly connected with a vertical plane of hexahedron mount pad 1, and a surface level of its another right-angle side and hexahedron mount pad 1 forms described gap 41.The width in gap 41 is 2mm.
Fiber multifilament 5 one end are wrapped in level and are wound around on cylinder 3, and fiber multifilament 5 other ends are wrapped in the opposite direction level and are wound around on cylinder 3, and the position that fiber multifilament 5 two ends clamp at fixture 62 is cross-laminated.
On a circle fiber multifilament 5 of the most close level winding cylinder 3 roots, carry additionally the weight 6 with hook.
The xsect that the hook of weight 6 contacts in fiber multifilament 5 is for circular, and the diameter of described circle is identical with the diameter that perpendicular positioning cylinder 2 and level are wound around cylinder 3.Weight is linked up with to the position pole processing identical with body diameter, and while making to sample, the height of the tension force of fiber and weight position is irrelevant, guarantees the constant tension of every sub-sampling, avoids test error.
As shown in Figure 5, tiling fiber multifilament 5.Get the fiber multifilament 5 of certain length, fiber multifilament 5 is walked around to the rear two ends of perpendicular positioning cylinder 2 and be pulled to again the flat position that is wound around cylinder 3 of backwater, the gap 41 of fiber multifilament 5 two ends through angle bar 4 and hexahedron mount pad 1 in this process.
As shown in Figure 6, be wound around one end and fix with fixture.First fiber multifilament 5 one end are wound around to cylinder 3 in level and are wound around some circles, and clamp with the first fixture 61 the level winding cylinder 3 that is tied with fiber multifilament part.
As shown in Figure 7, carry additionally weight 6 at a circle fiber multifilament 5 of the most close level winding cylinder 3 roots and apply tension force, strain the other end of fiber multifilament 5 simultaneously, and direction contrary with other end fiber multifilament 5 this end fiber multifilament 5 is wrapped on horizontal cylinder, and clamp with the second fixture 62, make fiber multifilament 5 keep tensioning state.
As shown in Figure 8, hand of operating personnel is pressed position of fibers 8 at hand and is pressed fiber multifilament 5, and the hand-held cutter of another, at the vertical cut staple multifilament 5 in cutting fibre position 7, can obtain the fiber multifilament that a segment length precision is very high.
As Figure 9-Figure 11, at the device that has a fixed blade position near horizontal cylinder, be the angle bar 4 of a wide 20mm, be of a size of 30mmx50mm.Wherein the part of 30mm is fixed with the vertical plane of hexahedron mount pad 1, require the horizontal component of angle bar and the surface level of rectangular tube to have the gap of 2mm, with guarantee fiber from then on gap by not scratching, angle bar is the position that cutter is cut fiber near the part of vertical cylinder, the length that ensures the fiber cutting this position is 3m, and therefore the position of angle bar is fixed through accurate measurement and after repeatedly practising.
By reference to the accompanying drawings the present invention is carried out to exemplary description above; obvious realization of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technical scheme to carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all in protection scope of the present invention.
Claims (10)
1. the proving installation of a fiber multifilament threads density, it is characterized in that: comprise hexahedron mount pad (1), one end of hexahedron mount pad (1) be provided with perpendicular positioning cylinder (2), the level that is provided with of the other end of hexahedron mount pad (1) is wound around cylinder (3), is provided with an angle bar (4) on hexahedron mount pad (1) surface; Fiber multifilament (5) middle part is taking perpendicular positioning cylinder (2) as fulcrum, the level that is wrapped in behind parallel gap (41) through angle bar (4) and hexahedron mount pad (1), fiber multifilament (5) two ends is wound around cylinder (3) above and is fixed by the first fixture (61) and the second fixture (62) respectively, cutting fibre position (7) is positioned at angle bar (4) and level is wound around between cylinder (3), and hand is pressed position of fibers (8) and is positioned between angle bar (4) and perpendicular positioning cylinder (2).
2. the proving installation of fiber multifilament threads density according to claim 1, it is characterized in that: the diameter that perpendicular positioning cylinder (2) and level are wound around cylinder (3) is identical, the intersect vertical axis of the axis of perpendicular positioning cylinder (2) and level winding cylinder (3) in same plane to guarantee that fiber multifilament (5) two ends are parallel to each other.
3. according to the proving installation of fiber multifilament threads density described in claim 1 or 2, it is characterized in that: angle bar (4) is a right-angle structure, an one right-angle side is fixedly connected with a vertical plane of hexahedron mount pad (1), and a surface level of its another right-angle side and hexahedron mount pad (1) forms described gap (41).
4. the proving installation of fiber multifilament threads density according to claim 3, is characterized in that: the width of described gap (41) is 2mm.
5. according to the proving installation of fiber multifilament threads density described in any one in claim 1-4, it is characterized in that: fiber multifilament (5) one end is wrapped in level and is wound around on cylinder (3), fiber multifilament (5) other end is wrapped in the opposite direction level and is wound around cylinder (3) above, and fiber multifilament (5) two ends are cross-laminated at the position of fixture (62) clamping.
6. according to the proving installation of fiber multifilament threads density described in any one in claim 1-5, it is characterized in that: a circle fiber multifilament (5) that is wound around cylinder (3) root in the most close level is carried additionally the weight (6) with hook.
7. according to the proving installation of fiber multifilament threads density described in any one in claim 1-6, it is characterized in that: the xsect that the hook of described weight (6) contacts with fiber multifilament (5) is for circular, and the diameter of described circle is identical with the diameter that perpendicular positioning cylinder (2) and level are wound around cylinder (3).
8. the proving installation of fiber multifilament threads density according to claim 7, it is characterized in that: the fiber multifilament (5) of variety classes, different size adopts the weight (6) of Different Weight, during with the sampling of guarantee fiber, degree of tightness state is identical, guarantees that sample length is accurate.
9. according to the proving installation of fiber multifilament threads density described in any one in claim 1-8, it is characterized in that: the surface of contact between the first fixture (61) and fiber multifilament (5) is that cambered surface contacts, surface of contact between the second fixture (62) and fiber multifilament (5), for cambered surface contacts, does not damage fiber to guarantee to clamp yet.
10. the method for testing of a fiber multifilament threads density, comprise the following steps: step 1, get the fiber multifilament (5) of certain length, after fiber multifilament (5) is walked around to perpendicular positioning cylinder (2), two ends are pulled to the flat position that is wound around cylinder (3) of backwater, the gap (41) of fiber multifilament (5) two ends through angle bar (4) and hexahedron mount pad (1) in this process again; Step 2, first fiber multifilament (5) one end is wound around to cylinder (3) in level and is wound around some circles, and clamp with the first fixture (61), a circle fiber multifilament (5) that is wound around cylinder (3) root in the most close level is carried additionally weight (6); Step 3, strain the other end of fiber multifilament (5) simultaneously, and direction contrary with other end fiber multifilament (5) this end fiber multifilament (5) is wrapped on the position of horizontal cylinder near-end, and clamp with the second fixture (62), fiber multifilament (5) is two sections of parallel lines and the half-turn that is wound around perpendicular positioning cylinder (2) in the contact portion on hexahedron mount pad (1) surface, and in tensioning state; Step 4, hand of operating personnel are pressed position of fibers (8) at hand and are pressed fiber multifilament (5), and the hand-held cutter of another, at cutting fibre position (7) vertical cut staple multifilament (5), can obtain the fiber multifilament that a segment length precision is very high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410165153.1A CN103954472B (en) | 2014-04-23 | 2014-04-23 | The sampler of a kind of fiber multifilament threads density and use its sampling method carried out |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410165153.1A CN103954472B (en) | 2014-04-23 | 2014-04-23 | The sampler of a kind of fiber multifilament threads density and use its sampling method carried out |
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| CN103954472A true CN103954472A (en) | 2014-07-30 |
| CN103954472B CN103954472B (en) | 2016-10-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289851A (en) * | 2016-07-18 | 2017-01-04 | 北京化工大学 | The sampler of a kind of carbon fiber multifilament threads density measurement and sampling method |
| CN109708603A (en) * | 2019-01-28 | 2019-05-03 | 鲁普耐特集团有限公司 | A kind of fibrecord diameter and line density tester and its test method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289851A (en) * | 2016-07-18 | 2017-01-04 | 北京化工大学 | The sampler of a kind of carbon fiber multifilament threads density measurement and sampling method |
| CN109991031A (en) * | 2016-07-18 | 2019-07-09 | 北京化工大学 | A kind of sampler of carbon fiber multifilament threads density measurement |
| CN109991030A (en) * | 2016-07-18 | 2019-07-09 | 北京化工大学 | A kind of sampling method of carbon fiber multifilament threads density measurement |
| CN109991030B (en) * | 2016-07-18 | 2020-05-15 | 北京化工大学 | Sampling method for testing linear density of carbon fiber multifilament |
| CN109991031B (en) * | 2016-07-18 | 2020-05-19 | 北京化工大学 | Sampling device for testing linear density of carbon fiber multifilament |
| CN109708603A (en) * | 2019-01-28 | 2019-05-03 | 鲁普耐特集团有限公司 | A kind of fibrecord diameter and line density tester and its test method |
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