CN211968685U - Composite fabric - Google Patents
Composite fabric Download PDFInfo
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- CN211968685U CN211968685U CN202020476414.2U CN202020476414U CN211968685U CN 211968685 U CN211968685 U CN 211968685U CN 202020476414 U CN202020476414 U CN 202020476414U CN 211968685 U CN211968685 U CN 211968685U
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Abstract
The utility model relates to a compound fabric, especially a compound fabric for glass steel production, including middle water conservancy diversion layer and the surface enhancement layer of setting water conservancy diversion layer upper and lower surface in the middle of, wherein each surface enhancement layer is the fine fabric layer of glass, the fine chopped strand of glass one kind in the layer, middle water conservancy diversion layer is PP felt layer or XT screen cloth, and surface enhancement layer and middle water conservancy diversion layer adopt the chemical fiber silk to sew up through the knit-stitch machine. The utility model provides a compound fabric, it is through reasonable structural design, and the connection stability that can effectively promote compound fabric is good, can be big with the contact bonding area of resin when the later stage preparation glass steel for glass steel's intensity, shock resistance are good.
Description
Technical Field
The utility model relates to a compound fabric, especially a compound fabric for glass steel production.
Background
The glass fibre reinforced plastic is a composite material made up by using glass fibre and its product as reinforcing material and using thermosetting or thermoplastic resin as matrix through a forming process, and its performance is excellent compared with that of metal material or other inorganic material, and it is light in weight, high in specific strength, corrosion-resistant, electric-insulating, sound-insulating, water-proofing, easy to colour and can transmit electromagnetic wave. Therefore, the paint is widely applied to the fields of chemical industry, corrosion prevention, traffic ship manufacturing, energy conservation, buildings and the like.
Glass fiber reinforcements for glass fiber reinforced plastics, currently roughly classified into three categories, 1) glass fiber rovings; 2) glass fiber plaid; 3) a glass fiber mat. The three types of reinforcing materials are thin and have a small bonding surface with resin, so that the strength, impact resistance and the like are not satisfactory.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in view of the above problems, and an object of the present invention is to provide a composite fabric which is used as a reinforcing material for glass fiber reinforced plastics and has a large contact area with resin.
In order to achieve the above object, the utility model discloses a compound fabric, including middle water conservancy diversion layer and the surface enhancement layer of setting at middle water conservancy diversion layer upper and lower surface, wherein each surface enhancement layer is the fine fabric layer of glass, the fine chopped strand of glass one kind in the layer, middle water conservancy diversion layer is PP felt layer or XT screen cloth, and surface enhancement layer and middle water conservancy diversion layer adopt the chemical fiber silk to sew up through the stitch-bonding machine.
In the above technical solution, the best solution is that the two surface enhancement layers are respectively a glass fiber fabric layer and a glass fiber chopped layer, the middle flow guide layer is a PP felt layer or an XT mesh fabric, wherein the XT mesh fabric is a three-dimensional mesh structure made of polypropylene material or other high polymer material, and has a certain thickness and a gap is formed inside the thickness by polypropylene support. The glass fiber fabric layer can strengthen the strength of the glass fiber fabric layer in the radial direction and the weft direction, meanwhile, the glass fiber fabric layer is matched with the middle flow guide layer, and when the glass fiber fabric layer is compounded with resin in the later period, the resin can be filled in the middle flow guide layer and combines the surface enhancement layer and the middle flow guide layer together, so that the contact area between the resin and each layer is increased, and the manufactured glass fiber reinforced plastic has high strength and high impact resistance. In addition, the use of the glass fiber short cutting layer is adopted, and the surface is smoother after the glass fiber short cutting layer is combined with resin.
The glass fiber fabric layer is formed by tiling glass fiber yarns arranged at intervals in the radial direction and glass fiber yarns arranged at intervals in the weft direction and then sewing the glass fiber fabrics through chemical fiber yarns. The design of the structure can ensure that the glass fiber yarns in the radial direction and the weft direction are in a straight state and cannot be bent, so that after the glass fiber yarns are compounded in resin as a surface reinforcing layer, the strength is high, and the shock resistance of the formed glass fiber reinforced plastic is enhanced.
The space between the adjacent glass fiber yarns arranged in the radial direction in the glass fiber fabric layer is 0.3-0.5cm, and the space between the adjacent glass fiber yarns arranged in the weft direction is 0.3-0.5 cm; the gram weight of the glass fiber fabric layer is 400-800g/m2. Through the grammes per square metre of the interval of reasonable selection glass fiber yarn and the fine fabric layer of glass, enable the clearance between the glass fiber yarn and obtain effective control, both can ensure the surface area of glass fiber yarn and resin contact, can ensure the fastness of connection between the resin of the fine fabric layer both sides of glass moreover, so glass steel's bulk strength is high.
The glass fiber chopped layer is formed by laying 3-7cm glass fiber yarns, and the gram weight of the glass fiber chopped layer is 300-1000g/m2。
The thickness of the PP felt layer is 0.3-0.8cm, the gram weight is 150-2。
Above-mentioned glass fiber chopped strand layer and PP felt layer's design can make glass fiber chopped strand place side combine the back surface more level and more smooth with the resin, and the thickness of PP felt layer and the design of gram weight can make the reasonable control in PP felt layer inside clearance, ensure the effect to the resin water conservancy diversion and the combination of resin and PP felt is more stable.
When the surface reinforcing layer and the middle flow guide layer are sewed through chemical fiber yarns, the sewing points are arranged in a transverse and longitudinal array mode, wherein the distance between two transversely adjacent sewing points is 0.3-0.5cm, and the distance between two longitudinally adjacent sewing points is 0.3-0.5 cm; the chemical fiber yarn is polyester yarn. Through the design of reasonable seam point for the combination between the compound fabric is stable, and can ensure that the fine chopped strand layer of glass is difficult for the fine glass that drops and fluffy degree obtains guaranteeing, can be with the bonding area of effectively ensuring compound fabric and resin combination in-process, fastness and impact strength are high.
The utility model provides a compound fabric, it is through reasonable structural design, and the connection stability that can effectively promote compound fabric is good, can be big with the contact bonding area of resin when the later stage preparation glass steel for glass steel's intensity, shock resistance are good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention is further described by the following embodiments in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1, the composite fabric described in this embodiment includes a middle flow guiding layer 1 and surface reinforcing layers 2 disposed on the upper and lower surfaces of the middle flow guiding layer 1, wherein one of the surface reinforcing layers 2 is a glass fiber fabric layer, the other surface reinforcing layer 2 is a glass fiber chopped layer, the middle flow guiding layer 1 is a PP felt layer, and the surface reinforcing layer 2 and the middle flow guiding layer 1 are stitched by chemical fiber yarns through a stitch-knitting machine.
The glass fiber fabric layer is formed by tiling glass fiber yarns arranged at intervals in the radial direction and glass fiber yarns arranged at intervals in the weft direction and then sewing the glass fiber fabrics through chemical fiber yarns. The space between the adjacent glass fiber yarns arranged in the radial direction in the glass fiber fabric layer is 0.3cm, and the space between the adjacent glass fiber yarns arranged in the weft direction is 0.3 cm; the gram weight of the glass fiber fabric layer is 400g/m2。
The glass fiber chopped layer is formed by laying 3-7cm glass fiber yarns, and the gram weight of the glass fiber chopped layer is 300g/m2。
The thickness of the PP felt layer is 0.3cm, and the gram weight is 150g/m2。
When the surface enhancement layer 2 and the middle flow guide layer 1 are sewed through chemical fiber yarns, the sewing points are arranged in a transverse and longitudinal array mode, wherein the distance between two transversely adjacent sewing points is 0.5cm, and the distance between two longitudinally adjacent sewing points is 0.5 cm; the chemical fiber yarn is polyester yarn.
Example 2:
as shown in fig. 1, the composite fabric described in this embodiment includes a middle flow guiding layer 1 and surface reinforcing layers 2 disposed on the upper and lower surfaces of the middle flow guiding layer 1, wherein one of the surface reinforcing layers 2 is a glass fiber fabric layer, the other surface reinforcing layer 2 is a glass fiber chopped layer, the middle flow guiding layer 1 is an XT mesh fabric, and the surface reinforcing layers 2 and the middle flow guiding layer 1 are stitched by chemical fiber through a stitch-knitting machine.
The glass fiber fabric layer is formed by tiling glass fiber yarns arranged at intervals in the radial direction and glass fiber yarns arranged at intervals in the weft direction and then sewing the glass fiber fabrics through chemical fiber yarns. The space between the adjacent glass fiber yarns arranged in the radial direction in the glass fiber fabric layer is 0.5cm, and the space between the adjacent glass fiber yarns arranged in the weft direction is 0.5 cm; the gram weight of the glass fiber fabric layer is 800g/m2。
The glass fiber chopped layer is formed by laying 3-7cm glass fiber yarns, and the gram weight of the glass fiber chopped layer is 1000g/m2。
When the surface enhancement layer 2 and the middle flow guide layer 1 are sewed through chemical fiber yarns, the sewing points are arranged in a transverse and longitudinal array mode, wherein the distance between two transversely adjacent sewing points is 0.3cm, and the distance between two longitudinally adjacent sewing points is 0.3 cm; the chemical fiber yarn is polyester yarn.
Example 3:
as shown in fig. 1, the composite fabric described in this embodiment includes a middle flow guiding layer 1 and surface reinforcing layers 2 disposed on the upper and lower surfaces of the middle flow guiding layer 1, wherein both the surface reinforcing layers 2 are glass fiber fabric layers, the middle flow guiding layer 1 is a PP felt layer, and the surface reinforcing layers 2 and the middle flow guiding layer 1 are sewn together by a chemical fiber fabric through a stitch-knitting machine.
The glass fiber fabric layers are radially spacedThe glass fiber yarns are arranged and the glass fiber yarns arranged in the weft direction at intervals are flatly paved and then are sewn through chemical fiber yarns. The space between the adjacent glass fiber yarns arranged in the radial direction in the glass fiber fabric layer is 0.4cm, and the space between the adjacent glass fiber yarns arranged in the weft direction is 0.4 cm; the gram weight of the glass fiber fabric layer is 600g/m2。
The thickness of the PP felt layer is 0.8cm, and the gram weight is 200g/m2。
When the surface enhancement layer 2 and the middle flow guide layer 1 are sewed through chemical fiber yarns, the sewing points are arranged in a transverse and longitudinal array mode, wherein the distance between two transversely adjacent sewing points is 0.4cm, and the distance between two longitudinally adjacent sewing points is 0.4 cm; the chemical fiber yarn is polyester yarn.
Example 4:
as shown in fig. 1, the composite fabric described in this embodiment includes a middle flow guiding layer 1 and surface reinforcing layers 2 disposed on the upper and lower surfaces of the middle flow guiding layer 1, wherein both the surface reinforcing layers 2 are glass fiber fabric layers, the middle flow guiding layer 1 is an XT mesh fabric, and the surface reinforcing layers 2 and the middle flow guiding layer 1 are stitched by chemical fiber through a stitch-knitting machine.
The glass fiber fabric layer is formed by tiling glass fiber yarns arranged at intervals in the radial direction and glass fiber yarns arranged at intervals in the weft direction and then sewing the glass fiber fabrics through chemical fiber yarns. The space between the adjacent glass fiber yarns arranged in the radial direction in the glass fiber fabric layer is 0.4cm, and the space between the adjacent glass fiber yarns arranged in the weft direction is 0.4 cm; the gram weight of the glass fiber fabric layer is 600g/m2。
When the surface enhancement layer 2 and the middle flow guide layer 1 are sewed through chemical fiber yarns, the sewing points are arranged in a transverse and longitudinal array mode, wherein the distance between two transversely adjacent sewing points is 0.4cm, and the distance between two longitudinally adjacent sewing points is 0.4 cm; the chemical fiber yarn is polyester yarn.
Example 5:
as shown in fig. 1, the composite fabric described in this embodiment includes a middle flow guiding layer 1 and surface reinforcing layers 2 disposed on the upper and lower surfaces of the middle flow guiding layer 1, where both the surface reinforcing layers 2 are glass fiber chopped layers, the middle flow guiding layer 1 is a PP felt layer, and the surface reinforcing layers 2 and the middle flow guiding layer 1 are stitched by chemical fiber yarns through a stitch-bonding machine.
The glass fiber chopped layer is formed by laying 3-7cm glass fiber yarns, and the gram weight of the glass fiber chopped layer is 500g/m2。
The thickness of the PP felt layer is 0.5cm, and the gram weight is 180g/m2。
When the surface enhancement layer 2 and the middle flow guide layer 1 are sewed through chemical fiber yarns, the sewing points are arranged in a transverse and longitudinal array mode, wherein the distance between two transversely adjacent sewing points is 0.3cm, and the distance between two longitudinally adjacent sewing points is 0.3 cm; the chemical fiber yarn is polyester yarn.
Example 6:
as shown in fig. 1, the composite fabric described in this embodiment includes a middle flow guiding layer 1 and surface reinforcing layers 2 disposed on the upper and lower surfaces of the middle flow guiding layer 1, wherein both the surface reinforcing layers 2 are glass fiber chopped layers, the middle flow guiding layer 1 is an XT mesh fabric, and the surface reinforcing layers 2 and the middle flow guiding layer 1 are stitched by chemical fiber through a stitch-knitting machine.
The glass fiber chopped layer is formed by laying 3-7cm glass fiber yarns, and the gram weight of the glass fiber chopped layer is 800g/m2。
When the surface enhancement layer 2 and the middle flow guide layer 1 are sewed through chemical fiber yarns, the sewing points are arranged in a transverse and longitudinal array mode, wherein the distance between two transversely adjacent sewing points is 0.3cm, and the distance between two longitudinally adjacent sewing points is 0.3 cm; the chemical fiber yarn is polyester yarn.
Claims (6)
1. A composite fabric characterized by: the fabric comprises a middle flow guide layer and surface enhancement layers arranged on the upper surface and the lower surface of the middle flow guide layer, wherein each surface enhancement layer is one of a glass fiber fabric layer and a glass fiber chopped layer, the middle flow guide layer is a PP felt layer or an XT mesh, and the surface enhancement layers and the middle flow guide layer are sewn through a stitch-knitting machine by chemical fiber yarns.
2. A composite fabric according to claim 1, wherein: the glass fiber fabric layer is formed by tiling glass fiber yarns arranged at intervals in the radial direction and glass fiber yarns arranged at intervals in the weft direction and then sewing the glass fiber fabrics through chemical fiber yarns.
3. A composite fabric according to claim 2, wherein: the space between the adjacent glass fiber yarns arranged in the radial direction in the glass fiber fabric layer is 0.3-0.5cm, and the space between the adjacent glass fiber yarns arranged in the weft direction is 0.3-0.5 cm; the gram weight of the glass fiber fabric layer is 400-800g/m2。
4. A composite fabric according to claim 1, 2 or 3, wherein: the glass fiber chopped layer is formed by laying 3-7cm glass fiber yarns, and the gram weight of the glass fiber chopped layer is 300-1000g/m2。
5. A composite fabric according to claim 1, 2 or 3, wherein: the thickness of the PP felt layer is 0.3-0.8cm, the gram weight is 150-2。
6. A composite fabric according to claim 1, 2 or 3, wherein: when the surface reinforcing layer and the middle flow guide layer are sewed through chemical fiber yarns, the sewing points are arranged in a transverse and longitudinal array mode, wherein the distance between two transversely adjacent sewing points is 0.3-0.5cm, and the distance between two longitudinally adjacent sewing points is 0.3-0.5 cm; the chemical fiber yarn is polyester yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020476414.2U CN211968685U (en) | 2020-04-03 | 2020-04-03 | Composite fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020476414.2U CN211968685U (en) | 2020-04-03 | 2020-04-03 | Composite fabric |
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| CN211968685U true CN211968685U (en) | 2020-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334646A (en) * | 2021-04-23 | 2021-09-03 | 郑州宇通模具有限公司 | Method for manufacturing die by bag pressing process |
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2020
- 2020-04-03 CN CN202020476414.2U patent/CN211968685U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334646A (en) * | 2021-04-23 | 2021-09-03 | 郑州宇通模具有限公司 | Method for manufacturing die by bag pressing process |
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