CN110042568B - Large-tow carbon fiber yarn collecting and spreading device - Google Patents
Large-tow carbon fiber yarn collecting and spreading device Download PDFInfo
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- CN110042568B CN110042568B CN201910403105.4A CN201910403105A CN110042568B CN 110042568 B CN110042568 B CN 110042568B CN 201910403105 A CN201910403105 A CN 201910403105A CN 110042568 B CN110042568 B CN 110042568B
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 109
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 109
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 238000003892 spreading Methods 0.000 title claims abstract description 75
- 239000000835 fiber Substances 0.000 claims abstract description 66
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 229910052573 porcelain Inorganic materials 0.000 abstract description 6
- 239000004744 fabric Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4242—Carbon fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Inorganic Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention relates to the technical field of carbon fiber forming, in particular to a large-tow carbon fiber yarn collecting and expanding device, which comprises a constant-tension creel for unreeling, and further comprises: the device comprises a non-twist yarn collecting device arranged at a first process step of unreeling from a constant tension creel and contacting with carbon fiber tows, a first fiber spreading device arranged at a second process step of unreeling from the non-twist yarn collecting device, and a warp feeding and pulling device arranged at an inflection point of the carbon fiber tows passing through the first fiber spreading device, wherein the warp feeding and pulling device is a driving roller structure arranged in parallel with a fiber spreading cross rod. The invention gives up the original porcelain eye plate yarn collecting and uses the untwisted yarn collecting device instead, and the twisting phenomenon caused by the conventional porcelain eye device can not occur through the joint of the plane of the flat yarn and the cylindrical surface of the yarn collecting vertical rod. Meanwhile, the invention adds a traction warp-feeding device between the two fiber-stretching devices, which can greatly reduce the yarn tension of each yarn in the second fiber-stretching region and greatly reduce the yarn breakage phenomenon.
Description
Technical Field
The invention relates to the technical field of carbon fiber forming, in particular to a large-tow carbon fiber yarn collecting and spreading device.
Background
Carbon fibers are inorganic polymer fibers with carbon content higher than 90%, and the structure of the carbon fibers can be generally regarded as two-dimensional ordered crystals and the composition of holes, wherein the content, the size and the distribution of the holes have a great influence on the performance of the carbon fibers. The carbon fiber materials are classified into: 1K carbon fiber cloth, 3K carbon fiber cloth, 6K carbon fiber cloth, 12K carbon fiber cloth, 24K and above large-tow carbon fiber cloth. 1K represents that a bundle of carbon fiber contains 1000 filaments, and along with the development of technology, the developed K number is larger and larger, and the division of the size of the filament bundles can be continuously adjusted.
The carbon fiber composite material has excellent performance in various fields, and small-tow carbon fibers have strict requirements on process control and high equipment manufacturing cost, and although the performance of the carbon fiber composite material is superior to that of large-tow carbon fibers, the carbon fiber composite material is not applied on a large scale at any time due to the problems of cost and mass production efficiency. The use of low cost large tow carbon fibers is therefore an important aspect of developing low cost composite technology research. At present, carbon fibers with the temperature of more than 48K are generally called large-tow carbon fibers, and are mainly applied to the industrial fields such as automobiles, rail transit, wind power blades, energy buildings, sports goods and the like, and the large-tow carbon fibers become the main stream direction of future carbon fiber development.
Because the small-tow carbon fiber is applied earlier and the technology is relatively mature, the processing of the large-tow carbon fiber at present adopts small-tow processing process equipment, however, the following problems occur when the large-tow is applied to small-tow carbon fiber processing equipment due to the performance difference of the large-tow and the small-tow:
(1) Because the mechanical property of the small-tow carbon fiber is better than that of the large-tow carbon fiber, the phenomena of yarn-broken, disordered yarn and even broken yarn of the large-tow carbon fiber often occur in the processing process, and the production efficiency and the product appearance are affected;
(2) Because the large-tow carbon fibers are mostly flat, twisting phenomenon is easy to occur when the original porcelain eye plate yarn collection is adopted, and the mechanical property of a structural member made of the fabric in the later period is greatly affected.
In view of the above problems, the present designer based on the practical experience and expertise which are rich for years in such product engineering applications, and in combination with the application of the theory, actively researches and innovates to create a large-tow carbon fiber yarn collecting and expanding device, which is more practical.
Disclosure of Invention
The invention aims to solve the technical problem of providing a large-tow carbon fiber yarn collecting and expanding device for reducing yarn breakage and twisting phenomena of large-tow carbon fibers in the processing process.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a big silk bundle carbon fiber collection yarn exhibition yarn device, includes the constant tension creel that is used for unreeling, and this device still includes: a untwisted yarn collecting device, a first fiber spreading device and a warp feeding and pulling device;
the untwisted yarn collecting device is arranged at a first procedure of unreeling from the constant tension creel and contacting with the carbon fiber tows, and consists of at least two yarn collecting vertical rods which are arranged in parallel along the stretching direction of the carbon fiber tows, and a gap is arranged between the two yarn collecting vertical rods for the carbon fiber tows to pass through;
the first fiber spreading device is arranged at a second procedure after passing through the untwisted yarn collecting device and is composed of at least two fiber spreading cross rods which are perpendicular to the yarn collecting vertical rods, and a gap is arranged between the two fiber spreading cross rods for a carbon fiber tow to pass through;
the warp feeding traction device is a driving roller structure which is arranged in parallel with the fiber spreading cross rod and is arranged at the inflection point of the carbon fiber tows after passing through the first fiber spreading device, and the rotating direction of the driving roller structure is consistent with the advancing direction of the carbon fiber tows and is used for reducing the pulling force of the carbon fiber tows after the inflection point.
Further, the yarn collecting vertical rods are provided with a plurality of groups, and the yarn collecting vertical rods are arranged at equal intervals in parallel along the extending direction of the fiber spreading cross rod.
Further, the yarn collecting vertical rod is obliquely arranged.
Further, the constant tension creel is provided with at least two groups and is arranged in parallel along the extending direction of the fiber spreading cross rod;
the untwisted yarn collecting device comprises at least two groups of first untwisted yarn collecting devices and at least two groups of second untwisted yarn collecting devices, wherein the first untwisted yarn collecting devices are fixed on the constant tension creel and are arranged at the center of the edge of the constant tension creel;
the second non-twist yarn collecting device is arranged at the stretching direction of the carbon fiber tows passing through the first non-twist yarn collecting device, and the two second non-twist yarn collecting devices are mutually close to each other so as to enable the carbon fiber tows stretched out from the two first non-twist yarn collecting devices to be close.
Further, the fiber spreading cross rod is provided with m×n layers, and is used for dividing the carbon fiber tows flattened by the untwisted yarn collecting device into m×n layers, wherein m and n are integers not less than 1.
Further, the drive roll structure is provided with m layers for merging each n flattened layers of carbon fibers into one layer and merging m x n layers into m layers.
Further, the fiber stretching device comprises a second fiber stretching device, wherein the second fiber stretching device is arranged in the pulling direction of the carbon fiber tows passing through the inflection point and is composed of a plurality of second fiber stretching cross rods which are arranged in parallel along the pulling direction of the carbon fiber tows.
Further, a heating device is arranged in the second fiber spreading cross rod.
Further, the device also comprises a winding device which is arranged at the tail end of the advancing direction of the carbon fiber tows and is used for storing the flattened carbon fiber tows.
Further, the device also comprises a supporting frame for supporting the untwisted yarn collecting device, the first fiber spreading device, the further, the traction device, the second fiber spreading device and the winding device.
The beneficial effects of the invention are as follows: according to the large-tow carbon fiber yarn collecting and spreading device, the original porcelain eye plate yarn collecting is abandoned, the untwisted yarn collecting device is adopted, the yarns cross through the yarn collecting rod through the yarn collecting vertical rod structure, at the moment, the plane of the flat yarns is attached to the cylindrical surface of the yarn collecting rod, and twisting caused by the conventional porcelain eye device cannot occur.
Meanwhile, the invention adds a traction warp-feeding device between the two fiber-stretching devices, which can greatly reduce the yarn tension of each yarn in the second fiber-stretching region and greatly reduce the yarn breakage phenomenon.
In addition, in the invention, the first fiber spreading device divides a plurality of layers of spreading fibers to ensure that each yarn is completely contacted with a spreading fiber cross rod, so that the phenomena of silk shrinkage and silk overlapping are avoided.
Finally, in the invention, the second fiber spreading cross rod is internally provided with a heating device, so that the yarns are easier to spread.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic structural view of a large tow carbon fiber yarn-collecting and fiber-spreading device according to the present invention;
FIG. 2 is a schematic view of the structure of the yarn collecting vertical rod of the invention;
FIG. 3 is a schematic view showing the structure of the second yarn collecting device for collecting yarns according to the present invention;
fig. 4 is a schematic structural view of a second fiber spreading device.
Reference numerals: 1-untwisted yarn collecting device, 2-first fiber spreading device, 3-warp-feeding traction device, 4-second fiber spreading device, 11-yarn collecting vertical rod, 21-fiber spreading cross rod, 31-driving roller structure and 41-second fiber spreading cross rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. The embodiment adopts a progressive writing mode.
The device comprises a constant tension creel, a non-twisting yarn collecting device 1, a first fiber spreading device 2, a warp-feeding traction device 3, a second fiber spreading device 4 and a winding device, and a supporting frame for supporting the devices, wherein the large-tow carbon fiber yarn collecting and yarn spreading device is shown in fig. 1.
The specific processing flow is as follows: the large-tow carbon fiber is firstly discharged from the wire harness reel on the constant tension creel, then the flat carbon fiber wire harness is flattened through the untwisted yarn collecting device 1, then the flattened wire harness is divided into multiple layers through the first fiber spreading device, so that each yarn is ensured to be completely contacted with the fiber spreading cross rod 21, the yarn folding phenomenon is avoided, the warp-feeding traction device 3 arranged at the edge of the support frame provides power for the carbon fiber wire harness on one hand, and the tension of the carbon fiber wire harness behind the warp-feeding traction device is relieved on the other hand, so that the tension on the carbon fiber wire harness is greatly reduced, the yarn breaking phenomenon is reduced, and the flattened wire harness is finally combined into one layer after passing through the second fiber spreading device 4 and finally stored in the winding device.
Here, the constant tension creel is the prior art, and will not be described again, but the wire harness coil on the constant tension creel is provided with multiple coils to work simultaneously in order to improve efficiency or other needs in actual production, so the yarn collecting vertical rod 11 is provided with multiple groups, and is arranged in parallel and equidistant along the extending direction of the fiber spreading cross rod 21. In the invention, the yarn collecting vertical rod 11 in the untwisted yarn collecting device 1 is non-rotating, the flat surfaces of the carbon fiber tows which cross through the two yarn collecting vertical rods 11 are attached to the cylindrical surface of the yarn collecting vertical rod 11, the carbon fiber tows are thoroughly unfolded and untwisted by pulling the carbon fiber tows, as shown in fig. 2, the untwisted yarn collecting device is used for uniformly unfolding and untwisting the carbon fiber tows, compared with the porcelain eye yarn collecting in the prior art, the untwisting phenomenon of the flat yarns is eliminated, the carbon fiber yarns are not twisted, the thickness of the final braided fabric is uniform, the wetting effect is good, the appearance is attractive, and the mechanical property is good.
In addition, in the invention, because the yarns are required to be unfolded into a plurality of layers and then combined, when the yarns are collected, the harness coils on the constant tension creel are concentrated, and if the yarn collection vertical rod 11 is vertically arranged, each layer of yarns are overlapped in the vertical direction, so that the subsequent layering operation is inconvenient, in order to solve the problem, the yarn collection vertical rod 11 is obliquely arranged, each layer of yarns on the inclined yarn collection vertical rod 11 are uniformly distributed according to the interval required by the process, the distinction between layers is obvious, and the yarn overlapping phenomenon is seldom generated.
In this embodiment, at least two groups of constant tension yarns are arranged in parallel along the extending direction of the fiber spreading cross rod 21; the untwisted yarn collecting device 1 comprises at least two groups of first untwisted yarn collecting devices and at least two groups of second untwisted yarn collecting devices, wherein the first untwisted yarn collecting devices are fixed on a constant tension creel and are arranged at the center of the edge of the constant tension creel; the second-channel untwisted yarn collecting device is arranged at the stretching direction of the carbon fiber tows passing through the first-channel untwisted yarn collecting device, and the two second-channel untwisted yarn collecting devices are mutually close to each other so as to enable the carbon fiber tows stretched out from the two first-channel untwisted yarn collecting devices to be close. As shown in fig. 1, assuming that the view plane is an XY plane in an XYZ coordinate system, the vertical direction is Y, and the horizontal direction is X, in actual production, there may be more than one constant tension creel, when one constant tension creel is juxtaposed in the Z direction, there may be a gap between the two constant tension creels, but when carbon fiber bundles on the two constant tension creels need to be combined, as shown in fig. 3, a second untwisted yarn collecting device is provided, which functions to shorten the interval between the carbon fiber bundles drawn by the two constant tension creels, thereby facilitating larger-scale and more efficient processing of large-bundle carbon fibers.
After passing through the yarn collecting device, the spread flat carbon fiber tows need to be layered by the first fiber spreading device 2, the layering purpose is to enable the layer laying of the finally obtained carbon fiber braided fabric to be more uniform, the warp feeding and pulling device 3 plays a role in combining a plurality of layers of carbon fibers besides providing power, as shown in fig. 1, the first fiber spreading device 2 is provided with four layers of fiber spreading cross bars 21, the warp feeding and pulling device 3 is provided with two layers of driving roll structures 31, the four layers of carbon fiber tows are finally combined into two layers, and the specific layers of the two devices can be set according to the process requirements in actual production.
It should be noted here that the first fiber spreading device 2 may be provided with several channels according to the actual carbon fiber strand length, since the first fiber spreading device 2 also has a supporting function.
In this embodiment, the reason for the yarn breakage phenomenon is that, because each yarn of the large bundle carbon fiber is thick and wide, when the tension of the yarn is directly increased to roll and spread the fiber, a single yarn is contracted or folded in half so that half of the yarn contacts the fiber spreading cross bar 21 to be spread by resistance (the yarn is broken and fuzzed due to the excessive stress of the yarn),
the other half of the yarns are pulled into the knitting area by the pulling device without fiber spreading. Such a fabric exhibits poor fiber spreading effects and uneven tension. Aiming at the defects, the device improves a fiber spreading device, and aiming at the characteristics that the monofilament strength of large-tow carbon fibers is higher than that of small-tow carbon fibers, the device divides a fiber spreading area into two sections, a warp feeding and pulling device 3 is additionally arranged in the middle of the two sections, the multi-layer spreading in the area of a first fiber spreading device 2 ensures that each yarn is completely contacted with a fiber spreading rod to ensure that the phenomenon of silk shrinking and silk overlapping does not occur, and the warp feeding and pulling device 3 is additionally arranged in the middle of the first fiber spreading device, so that the yarn tension of each yarn in the area of a second fiber spreading device can be greatly reduced, and the yarn breakage phenomenon is greatly reduced.
In addition, as shown in fig. 4, a heating device, preferably, a resistance wire heating is provided in the second fiber spreading cross bar 41 of the second fiber spreading device 4, and after the heating device is added, the yarn chopping effect of the carbon fiber is better-!
Therefore, through the arrangement of the untwisted yarn collecting device 1 and the warp feeding and pulling device 3, the adverse factors of the small-tow carbon fiber processing device on the large-tow carbon fibers are overcome, so that the processing of the large-tow carbon fibers can be batched and highly-efficient, and the technical research of the low-cost large-harness composite material is guaranteed.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a big silk bundle carbon fiber collection yarn exhibition yarn device, includes the constant tension creel that is used for unreeling, its characterized in that, this device still includes: a non-twist yarn collecting device (1), a first fiber spreading device (2) and a warp feeding and pulling device (3);
the untwisted yarn collecting device (1) is arranged at a first procedure of unreeling from a constant tension creel and contacting with carbon fiber tows, and consists of at least two yarn collecting vertical rods (11) which are arranged in parallel along the stretching direction of the carbon fiber tows, and a gap is arranged between the two yarn collecting vertical rods (11) for the carbon fiber tows to pass through;
the first fiber spreading device (2) is arranged at a second procedure after passing through the untwisted yarn collecting device (1) and is composed of at least two fiber spreading cross rods (21) which are perpendicular to the yarn collecting vertical rods (11), and a gap is arranged between the two fiber spreading cross rods (21) for a carbon fiber tow to pass through;
the warp feeding traction device (3) is a driving roller structure (31) which is arranged in parallel with the fiber spreading cross rod (21) and is arranged at the inflection point of the carbon fiber tows passing through the first fiber spreading device (2), and the rotating direction of the driving roller structure (31) is consistent with the advancing direction of the carbon fiber tows and is used for reducing the pulling force of the carbon fiber tows after the inflection point;
the yarn collecting vertical rods (11) are provided with a plurality of groups, the yarn collecting vertical rods are arranged in parallel at equal intervals along the extending direction of the fiber spreading cross rod (21), the yarn collecting vertical rods (11) do not rotate, the flat surfaces of carbon fiber tows which cross through the two yarn collecting vertical rods (11) are attached to the cylindrical surfaces of the yarn collecting vertical rods (11), the carbon fiber tows are thoroughly unfolded and do not twist through the traction of the carbon fiber tows, the yarn collecting vertical rods (11) are obliquely arranged, each layer of yarns on the inclined yarn collecting vertical rods (11) are uniformly distributed at intervals, the distinction between layers is obvious, and the yarn overlapping phenomenon is seldom caused;
the constant tension creel is provided with at least two groups and is arranged in parallel along the extending direction of the fiber spreading cross rod (21);
the untwisted yarn collecting device (1) comprises at least two groups of first untwisted yarn collecting devices and at least two groups of second untwisted yarn collecting devices, and the first untwisted yarn collecting devices are fixed on the constant tension creel;
the second-channel untwisted yarn collecting device is arranged at the stretching direction of the carbon fiber tows passing through the first-channel untwisted yarn collecting device, and the two second-channel untwisted yarn collecting devices are mutually close to each other so as to enable the carbon fiber tows stretched out from the two first-channel untwisted yarn collecting devices to be close.
2. The large-tow carbon fiber yarn collecting and spreading device according to claim 1, wherein the spreading cross bar (21) is provided with m x n layers for dividing the carbon fiber tow flattened by the untwisted yarn collecting device (1) into m x n layers, m and n being integers not less than 1.
3. The large tow carbon fiber yarn collecting and spreading device according to claim 2, characterized in that the drive roll structure (31) is provided with m layers for merging each n flattened layers of carbon fibers into one layer and merging m x n layers into m layers.
4. A large tow carbon fiber yarn collecting and spreading device according to claim 3, further comprising a second fiber spreading device (4), wherein the second fiber spreading device (4) is arranged in the pulling direction of the carbon fiber tow passing through the inflection point, and is composed of a plurality of second fiber spreading crossbars (41) arranged in parallel along the pulling direction of the carbon fiber tow.
5. The large tow carbon fiber yarn collecting and spreading device according to claim 4, wherein a heating device is arranged in the second spreading cross bar (41).
6. The large tow carbon fiber yarn collecting and spreading device according to claim 1, further comprising a winding device arranged at the end of the traveling direction of the carbon fiber tow for storing the flattened carbon fiber tow.
7. The large-tow carbon fiber yarn collecting and spreading device according to claim 1, further comprising a supporting frame for supporting the untwisted yarn collecting device (1), the first fiber spreading device (2), the warp-feeding and pulling device (3), the second fiber spreading device (4) and the winding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403105.4A CN110042568B (en) | 2019-05-15 | 2019-05-15 | Large-tow carbon fiber yarn collecting and spreading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403105.4A CN110042568B (en) | 2019-05-15 | 2019-05-15 | Large-tow carbon fiber yarn collecting and spreading device |
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| Publication Number | Publication Date |
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| CN110042568A CN110042568A (en) | 2019-07-23 |
| CN110042568B true CN110042568B (en) | 2024-01-05 |
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| CN201910403105.4A Active CN110042568B (en) | 2019-05-15 | 2019-05-15 | Large-tow carbon fiber yarn collecting and spreading device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112021003184A2 (en) | 2018-08-21 | 2021-05-11 | Owens Corning Intellectual Capital, Llc | hybrid reinforcement fabric |
| EP3841238A1 (en) | 2018-08-21 | 2021-06-30 | Owens Corning Intellectual Capital, LLC | Multiaxial reinforcing fabric with a stitching yarn for improved fabric infusion |
| CN110578203B (en) * | 2019-10-18 | 2021-06-01 | 常州市新创智能科技有限公司 | One-way high-speed warp knitting machine |
| CN110904554B (en) * | 2019-12-13 | 2022-07-01 | 常州市新创智能科技有限公司 | Large-tow carbon fiber spreading device |
| CN110923887B (en) * | 2019-12-13 | 2020-12-22 | 常州市新创智能科技有限公司 | Double-pan-head carbon fiber warping machine |
| CN116007440A (en) * | 2023-03-24 | 2023-04-25 | 河北天科瑞格新材料科技有限公司 | Bulletproof and stab-resistant material, and preparation method and application thereof |
| CN117342337B (en) * | 2023-12-05 | 2024-02-06 | 常州市新创智能科技有限公司 | Design method of large-tow carbon fiber precursor twisting-prevention winding device |
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