CN212827240U - Environment-friendly covering yarn guide fabric - Google Patents
Environment-friendly covering yarn guide fabric Download PDFInfo
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- CN212827240U CN212827240U CN202021250733.8U CN202021250733U CN212827240U CN 212827240 U CN212827240 U CN 212827240U CN 202021250733 U CN202021250733 U CN 202021250733U CN 212827240 U CN212827240 U CN 212827240U
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Abstract
The utility model discloses an environment-friendly core-spun yarn guide fabric, which comprises a first core-spun yarn layer and a second core-spun yarn layer which are superposed; the first core-spun yarn layer and the second core-spun yarn layer are sewn through a sewing thread; the wefts of the first covering yarn layer and the wefts of the second covering yarn layer are arranged in a staggered mode. The utility model discloses a two-layer sutured first covering yarn layer with second covering yarn layer can improve the maceration of resin under the prerequisite that does not reduce combined material performance, reduce the whitening that combined material produced because of water conservancy diversion layer material, bubble, defect such as resin content is many, easy operation, both associativity are good after the solidification, need not remove the operation, reduce drawing of patterns time and post processing, improved labor efficiency, improve production efficiency, improve fiber content simultaneously, and reduce cost solves the environmental protection problem of discarded object among the prior art.
Description
Technical Field
The utility model relates to a textile sector especially relates to an environment-friendly covering yarn water conservancy diversion fabric.
Background
Resin transfer molding of liquid molding and various vacuum-assisted infiltration molding technologies and the like are mainstream of the current low-cost technology of the composite material, and in order to improve the impregnability of the resin, a layer of flow guide medium is paved in or on a prefabricated fabric of the composite material, so that the fiber laying layer is completely and quickly filled with the resin.
In general, a flow guide net made of polypropylene (PP) or other materials may be laid outside the composite material reinforcing layer, and after the resin is cured and the composite material is formed, the flow guide net is removed and discarded. The method does not affect the performance of the composite material body generally, but generates a lot of disposable wastes, thereby increasing the material cost and the construction workload, and being not environment-friendly.
In another case, a flow guiding medium is introduced between the composite material reinforced layers, and the current mainstream is to use glass fiber and polypropylene (PP) to form a needled felt. The polypropylene (PP) layer is used as a resin flow channel, but the method has the biggest disadvantages that air bubbles remained in the resin are easy to accumulate and difficult to lead out, so that the phenomenon of whitening of a molded composite material part occurs, and the performance of the composite material is influenced. And the fabric will increase the resin content, ultimately affecting the performance of the composite and resulting in increased weight and cost of the product.
In addition, in the composite material, when a pre-cast metal piece or other insert pieces are required to be made into a super-hybrid composite material, a resin impregnation failure may occur.
Therefore, there is a need to design an environment-friendly core-spun yarn guide fabric which does not need to be removed and has a good guide effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a need not to remove, effectual environment-friendly covering yarn water conservancy diversion fabric of water conservancy diversion.
Realize the utility model discloses the technical scheme of purpose is: an environment-friendly core-spun yarn guide fabric comprises a first core-spun yarn layer and a second core-spun yarn layer which are superposed; the first core-spun yarn layer and the second core-spun yarn layer are sewn through a sewing thread; the wefts of the first covering yarn layer and the wefts of the second covering yarn layer are arranged in a staggered mode.
The first core-spun yarn layer and the second core-spun yarn layer are woven by core-spun yarns; the core-spun yarn comprises a yarn core and an outer wrapping fiber wound on the yarn core.
Two outer wrapping fibers are arranged; one of the two outer-coated fibers is wrapped by S twist, the other is wrapped by Z twist, and the twist degree is 300-500 twist/m.
The first core-spun yarn layer and the second core-spun yarn layer adopt 380tex core-spun yarns as weft yarns, 34tex glass fiber yarns as warp yarns, and the warp density and the weft density are both 2.6 pieces/cm.
The yarn core is made of glass fiber; the wrapping fiber is chemical fiber filament. Preferably, the yarn core adopts 200-600TEX glass fiber direct yarn, and the outer wrapping fiber adopts 100-600 denier polypropylene filament.
The included angle between the weft of the first core-spun yarn layer and the weft of the second core-spun yarn layer is 90 degrees.
The composite layer is superposed with the first core-spun yarn layer and the second core-spun yarn layer; the composite layer adopts at least one of a glass fiber chopped layer, a piece of check cloth and an axial cloth.
The first core-spun yarn layer and the second core-spun yarn layer are coated with an anti-oxidation coating; the antioxidant coating comprises the following components in percentage by mass: 12 to 17 percent of polymethyl phenyl organic silicon resin, 8 to 15 percent of polyethyl silicon resin, 12 to 18 percent of functional filler, 15 to 20 percent of high-purity carboxyl zinc ion metal photosensitive effect powder, 8 to 20 percent of latex and 5 to 10 percent of auxiliary agent.
The functional filler is mica powder; the auxiliary agent is an ultraviolet absorbent and a dispersing agent.
By adopting the technical scheme, the utility model discloses following beneficial effect has:
(1) the utility model discloses a two-layer sutured first covering yarn layer with second covering yarn layer can improve the maceration of resin under the prerequisite that does not reduce combined material performance, reduce the whitening that combined material produced because of water conservancy diversion layer material, bubble, defect such as resin content is many, easy operation, both associativity are good after the solidification, need not remove the operation, reduce drawing of patterns time and post processing, improved labor efficiency, improve production efficiency, improve fiber content simultaneously, and reduce cost solves the environmental protection problem of discarded object among the prior art.
(2) The utility model discloses a first covering yarn layer of weaving into of covering yarn with second covering yarn layer, the resin circulation effect is better, improves the maceration nature of resin, reduces defects such as whitening, bubble, resin content that combined material produced because of water conservancy diversion layer material is many.
(3) The utility model discloses a two outsourcing fibre adopt S to twist with the fingers the package respectively and twine with the twist with the fingers the package with the Z, and fluffy degree is higher, and the water conservancy diversion effect is better.
(4) The utility model discloses a covering yarn core adopts glass fiber, pours into the resin into the back, and is solidified and combine as an organic whole with the resin, remains at combined material internally for combined material's toughening.
(5) The utility model discloses a weft on first covering yarn layer and the weft contained angle on second covering yarn layer are 90, and the contained angle is big, and the space is big, and the water conservancy diversion effect is better.
(6) The utility model discloses a composite bed adopts the fine short cut layer of glass, check cloth and axial cloth at least one of them, plays certain design effect to the fabric, does not influence the conductivity of fabric simultaneously, changes the use.
(7) The utility model discloses the coating that makes has first covering yarn layer and second covering yarn layer oxidation resistance good of anti-oxidant coating, prevents that resin from immersing the fibre and changing the fibre performance, increases life.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a weaving structure diagram of the covering yarn of the present invention.
The reference numbers in the drawings are as follows: 1. a first core spun yarn layer; 2. a second core spun yarn layer; 3. a yarn core; 4. and (5) coating fibers.
Detailed Description
(example 1)
Referring to fig. 1 and 2, the eco-friendly core yarn guide fabric of the embodiment includes a first core yarn layer 1 and a second core yarn layer 2 stacked together. The first core-spun yarn layer 1 and the second core-spun yarn layer 2 are sewn together by a sewing thread. The wefts of the first core-spun yarn layer 1 and the wefts of the second core-spun yarn layer 2 are arranged in a staggered mode.
The first covering yarn layer 1 and the second covering yarn layer 2 are both formed by weaving covering yarns. The core-spun yarn comprises a yarn core 3 and an outer covering fiber 4 wound on the yarn core 3.
Two outer wrapping fibers 4 are arranged. The two outsourcing are completed by adopting a double-wrapping spinning process, the yarn core 3 is made of glass fiber yarn, the outsourcing fiber 4 is wrapped by adopting two polypropylene filaments, one polypropylene filament is wrapped by adopting S twist, the other polypropylene filament is wrapped by adopting Z twist, and the twist is 450 twist/meter.
The first covering yarn layer 1 and the second covering yarn layer 2 adopt 380tex covering yarn as weft yarn, 34tex glass fiber yarn as warp yarn, and the warp density and the weft density are both 2.6 pieces/cm.
The included angle between the weft of the first core-spun yarn layer and the weft of the second core-spun yarn layer is 90 degrees.
Figure 2 shows a fabric structure with a first layer 1 of core spun yarn and a second layer 2 of core spun yarn made of core spun yarn as weft yarn by a weaving machine.
For ease of understanding, the present embodiment provides a specific weaving process of the first core-spun yarn layer 1 and the second core-spun yarn layer 2:
the first core-spun yarn layer 1 is placed at an angle of minus 45 degrees at the rear side of a warp knitting machine, the second core-spun yarn layer 2 is placed at an angle of plus 45 degrees at the rear side of the warp knitting machine, the two core-spun yarn layers are unreeled and overlapped and then sewn by the warp knitting machine through a suture, the first core-spun yarn layer 1 and the second core-spun yarn layer 2 are placed at an angle of minus 45 degrees, under the action of pulling force, warp 34tex glass fiber yarns of single-weft fabrics and warp 34tex glass fiber yarns of the single-weft fabrics still form a 0-degree direction in the fabrics, and weft 380tex core-spun yarns are respectively woven into a guide fabric at an angle of minus 45 degrees or directly laid and processed by a multi-axial warp knitting machine according to an angle of minus 45 degrees. The embodiment adopts the covering yarn, the cross section of the covering yarn is circular, a sufficient resin flow channel is arranged between the covering yarn and the yarn, and meanwhile, the first covering yarn layer 1 and the second covering yarn layer 2 are overlapped and sewn, so that the thickness of the fabric is increased, and the fabric is fluffy and more favorable for fluid flow.
(example 2)
This embodiment is substantially the same as embodiment 1 except that: the glass fiber short cut layer can be made of checkered cloth or axial cloth and is integrally sewn with the first core wrapping yarn layer 1 and the second core wrapping yarn layer 2. The glass fiber chopped layer is used as a structure reinforcing layer, so that the structure of the fabric is stronger.
(example 3)
This embodiment is substantially the same as embodiment 1 except that: and the first core-spun yarn layer and the second core-spun yarn layer are coated with an antioxidant coating. The antioxidant coating comprises the following components in percentage by mass: 12% of polymethylphenyl silicone resin, 8% of polyethyl silicone resin, 12% of functional filler, 15% of high-purity carboxyl zinc ion metal photosensitive effect powder, 8% of latex and 5% of auxiliary agent.
The functional filler is mica powder. The auxiliary agent is ultraviolet absorbent and dispersant.
The first core-spun yarn layer and the second core-spun yarn layer coated with the antioxidant coating have good antioxidant performance, prevent resin from immersing fibers to change fiber performance, and prolong the service life.
(example 4)
This example is substantially the same as example 3, except that: the antioxidant coating comprises the following components in percentage by mass: 17% of polymethylphenyl silicone resin, 15% of polyethyl silicone resin, 18% of functional filler, 20% of high-purity carboxyl zinc ion metal photosensitive effect powder, 20% of latex and 10% of auxiliary agent.
(example 5)
This example is substantially the same as example 3, except that: the antioxidant coating comprises the following components in percentage by mass: 15% of polymethylphenyl silicone resin, 11% of polyethyl silicone resin, 15% of functional filler, 18% of high-purity carboxyl zinc ion metal photosensitive effect powder, 13% of latex and 8% of auxiliary agent.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. An environment-friendly covering yarn guide fabric is characterized in that: comprises a first core-spun yarn layer (1) and a second core-spun yarn layer (2) which are superposed; the first core-spun yarn layer (1) and the second core-spun yarn layer (2) are sewed through a suture line; the wefts of the first core-spun yarn layer (1) and the wefts of the second core-spun yarn layer (2) are arranged in a staggered mode.
2. The environment-friendly core-spun yarn guide fabric of claim 1, wherein: the first core-spun yarn layer (1) and the second core-spun yarn layer (2) are both woven by core-spun yarns; the covering yarn comprises a yarn core (3) and an outer covering fiber (4) wound on the yarn core (3).
3. The environment-friendly core-spun yarn guide fabric of claim 2, wherein: two outer-coated fibers (4) are arranged; one of the two outer wrapping fibers (4) is wrapped by S twist, the other is wrapped by Z twist, and the twist degree is 300-500 twist/m.
4. The environment-friendly core-spun yarn guide fabric of claim 2, wherein: the first core-spun yarn layer (1) and the second core-spun yarn layer (2) adopt 380tex core-spun yarns as weft yarns, 34tex glass fiber yarns as warp yarns, and the warp density and the weft density are both 2.6 pieces/cm.
5. The environment-friendly core-spun yarn guide fabric of claim 2, wherein: the yarn core (3) adopts glass fiber; the wrapping fiber (4) is made of chemical fiber filaments.
6. The environment-friendly core-spun yarn guide fabric of claim 1, wherein: the included angle between the weft of the first core-spun yarn layer (1) and the weft of the second core-spun yarn layer (2) is 90 degrees.
7. The environment-friendly core-spun yarn guide fabric of claim 1, wherein: further comprising a composite layer superimposed with the first core spun yarn layer (1) and the second core spun yarn layer (2); the composite layer adopts at least one of a glass fiber chopped layer, a piece of check cloth and an axial cloth.
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CN202021250733.8U CN212827240U (en) | 2020-07-01 | 2020-07-01 | Environment-friendly covering yarn guide fabric |
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CN202021250733.8U CN212827240U (en) | 2020-07-01 | 2020-07-01 | Environment-friendly covering yarn guide fabric |
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