CN106677129A - Point-shaped needle composite surface layer hot melting anti-scouring network structure and machining technology - Google Patents
Point-shaped needle composite surface layer hot melting anti-scouring network structure and machining technology Download PDFInfo
- Publication number
- CN106677129A CN106677129A CN201611238011.9A CN201611238011A CN106677129A CN 106677129 A CN106677129 A CN 106677129A CN 201611238011 A CN201611238011 A CN 201611238011A CN 106677129 A CN106677129 A CN 106677129A
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- Prior art keywords
- point
- acupuncture
- textile material
- heat
- hot melting
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
-
- 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
- D04H13/00—Other non-woven fabrics
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0085—Geotextiles
- E02D2300/009—Geotextiles with multi-layer structure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a point-shaped needle composite surface layer hot melting anti-scouring network structure. The point-shaped needle composite surface layer hot melting anti-scouring network structure comprises multiple layers of stacked textile materials. The multiple layers of textile materials comprise top-layer hot melting textile materials and bottom-layer non-woven fabric. The multiple layers of textile materials are combined through reverse face point-shaped needles, the needle area is smaller than 10% of the total area, and the ends of puncturing fiber bundles from the bottom-layer non-woven fabric and at the point-shaped needle positions and the surface of the top-layer hot melting textile materials are bonded through hot melting. According to the point-shaped needle composite surface layer hot melting anti-scouring network structure, the multiple layers of textile materials are combined through the point-shaped needles, the purpose of damage to the raw material integral functional structure to the minimum degree is achieved, and peeling strength is generated between the multiple layers of textile materials. Through composite surface hot melting, on one hand, the peeling strength is further enhanced through the bonding force of one ends of the fiber bundles and the top-layer fabric; and on the other hand, through hot melting, free fiber on the composite surface layer is removed, and the composite surface layer has the fiber detachment preventing and water flow scouring preventing performance.
Description
Technical field
The present invention relates to river channel ecology bank protection geosynthetics field, more particularly to a kind of point-like acupuncture composite skins heat
Molten antiscour network structure and processing technique.
Background technology
Riparian Zone is half terriecosystems between river and land, is directly or indirectly changed by river level
Impact, the zone of transition with buffering effect, generally ground land is connected by the hydrologic process of rainwash and ground subsurface flow
Raw system and aquatic system.Riparian Zone area in watershed ecosystem than not high, but flows into river in water, nutrient substance
During but play the function of not replacing, to retain pollution of area source, build river perch habitat, promote river and its around
Environment it is connective significant.In recent years, Chinese scholars start with the life that ecological engineering means recover Damaged River System
State function, to reach the self-purification capacity and comprehensive recovery river habitat that strengthen river.
It is one of important technical of river corridor restoration to build river course slope protection.For a long time, the river course of numerous domestic
Regulation builds flinty slope using materials such as stone-laying, concrete mostly.Flinty slope emphasizes the flood control function in river course and engineering knot
The safety of structure, but bring many critical defects.First flinty slope isolation water and soil is exchanged and causes riverbank side flow rate of water flow
Pressure exacerbates the unstability of bank slope with the pressurized imbalance of opposite side soil, and formation slopes cracking subsides and shortens making for bank slope
Use the life-span；Secondly flinty slope is due to destroying the growing environment of river course bank slope water plant, and then also destroys fish and shrimp and soft
The biological growing environment of body, has broken the ecological chain in natural river course, causes body eutrophication to aggravate, and then causes end algae
Class is broken out, and affects stablizing for whole Environment-Ecosystem.
Ecological revetment refers to that the riverbank of artificial build has the bank protection of the primary step response in nature riverbank.It possesses infiltrative
Natural riverbed and riverbank substrate, can fully ensure that the exchange of moisture and regulatory function between riverbank and river water；Have simultaneously
There is certain flood fighting intensity, on the basis of flood passage water drainage and navigation requirement is met, it is ensured that stablizing for bank slope, prevent water and soil stream
Lose；Ecological revetment has also taken into account the reparation of river ecological while bank protection, has especially recovered river course bank slope water plant
Growing environment, and then be also that fish and shrimp and software biology create suitable growing environment, form plant-animal-microorganism each other
The biosphere of food chain, has rebuild ecosystem, has purified water quality.
Ecological soft raft bank protection is the current ecological and preferable river course slope protection mode of protection effect.By in river course bank slope
The ecological soft raft of upper laying anti-filter function admirable carries out ecological revetment, ensure that while bank protection riverbank and river water it
Between exchange of moisture, while also solving the problems, such as that plant grows on ecological soft raft, recovered river course bank slope water plant
Growing environment, and then also for fish and shrimp and software biological growth create condition, rebuild ecosystem, purified water quality.At present
One of domestic ecological revetment material ecology soft raft is mainly using the Compound Fabric being combined by the acupuncture of bottom non-woven fabrics.
It is a kind of compound processing technique of conventional multi-layered textile product that acupuncture is combined, simple with processing method, is processed into
This cheap advantage.But acupuncture is compound in implementation process also shortcoming：Acupuncture is to by the intensity of compound fabric and itself knot
Structure has certain destruction；It is less by peel strength between compound fabric；Compound fiber is passed through in nonwoven Compound Fabric most of
Easily come off with being pulled out under (as current wash away repeatedly) in outer masterpiece in half free state, and ultimately result in its allomeric function
Failure.Present invention research：
1st, it is numerous due to inserting to reach minimum any a layer destroyed in addition to bottom non-woven fabrics to control acupuncture points area
Bottom non-woven fabrics fiber and change its architectural characteristic, destruction original structure and intensity.
2nd, point-like composite heating melts, and increases top layer hot melting cohesion, increased peel strength
3rd, without wandering fibre, antiscour, anti-fiber is detached and come off on surface.
The content of the invention
The technical problem to be solved is the flushing resistance of ecological revetment material, in order to solve the above problems,
The present invention provides the network structure that a kind of point-like acupuncture composite skins heat antiscour, including the multi-layered textile material of stacking, many
Layer textile material includes the heat-fusible textile material of top layer and bottom non-woven fabrics, and multi-layered textile material is multiple by the acupuncture of reverse side point-like
Close, the area at point-like acupuncture position is less than the 10% of the gross area, the puncture fibre bundle from bottom non-woven fabrics at point-like acupuncture
The upper surface of end and the heat-fusible textile material of top layer is adopted by hot melting cohesion, the heat-fusible textile material of top layer and bottom non-woven fabrics
The material being close to fusing point.
Further, the close material of fusing point includes polyester and polyester, polypropylene and polypropylene or polyester and polypropylene.
Invention additionally discloses a kind of method of the network structure of processing point-like acupuncture composite skins hot melt antiscour, including such as
Lower step：
Step one, by multi-layered textile material stack paving, in bottom nonwoven layer is laid, and top layer lays heat-fusible weaving material
Material；
Step 2, will be laminated the multi-layered textile material input needing machine for obtaining in step one, anti-by lower needle plate in acupuncture area
Face acupuncture, the pricking with needle on lower needle plate is arranged to be spaced along conveying direction, and spacing is identical；Per acupuncture once, multilamellar is spun
The distance for knitting material stepping is equal to the multiple and stepping dislocating sum of pricking with needle spacing, and multiple includes 1 times or many times, and makes on needle plate
Pricker drop point and the drop point of pricker is close to during a front acupuncture, the multi-layered textile material compound so as to obtain the acupuncture of reverse side point-like
Material；
Step 3, the upper surface of the multi-layered textile material that step 2 is obtained is heated, and is made by pricker from bottom nonwoven
The upper surface hot melt at fibre bundle end and the heat-fusible textile material of top layer that cloth is carried and exposes the heat-fusible textile material of top layer is combined,
Form the hot melt top layer of antiscour.
Further, in step 2, the span of stepping dislocating is 0.5~2mm.
Further, in step 3, hot melting way includes flame method, burn method.
Further, pricking with needle is configured to along the pricking with needle of conveying direction 3~6 in step 2.
Further, in step 2, the pricker between pricking with needle is that the rectangular lattice vertically and horizontally alignd is arranged, the thorn between pricking with needle
Pin is 8~20mm in vertical and horizontal spacing.
The present invention has the advantages that：
A kind of point-like acupuncture composite skins of the present invention heat the network structure of antiscour, pass through between multi-layered textile material
Point-like acupuncture is combined, and controls acupuncture assembly place area to reach minimum any a layer destroyed in addition to bottom non-woven fabrics due to inserting
Enter numerous bottom non-woven fabrics fibers and change its architectural characteristic.By to composite skins hot melt adhesive, on the one hand due to fiber
The cohesive force of Shu Yiduan and the heat-fusible textile material fiber of top layer further enhances peel strength, on the other hand by hot melt,
The wandering fibre of composite skins is eliminated, makes composite skins that there is scour resistance.
Description of the drawings
Fig. 1 is a kind of schematic diagram of the network structure of point-like acupuncture composite skins hot melt antiscour of the present invention.
Fig. 2 is used in a kind of network structure processing technique of point-like acupuncture composite skins hot melt antiscour of the present invention
The arrangement schematic diagram of pricking with needle and pricker on lower needle plate.
In figure, multi-layered textile material 1, the heat-fusible textile material 11 of top layer, bottom non-woven fabrics 12, fibre bundle 2, antiscour
Hot melt top layer 13, pricking with needle 3, pricker 4.
Specific embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail with reference to data.It should be understood that embodiment is intended merely to lift
The example explanation present invention, rather than the scope for limiting invention by any way.
As shown in figure 1, the invention discloses a kind of point-like acupuncture composite skins heat the network structure of antiscour, including layer
Folded multi-layered textile material, multi-layered textile material includes the heat-fusible textile material of top layer and bottom non-woven fabrics, multi-layered textile material
It is compound by the acupuncture of reverse side point-like, the area at point-like acupuncture position less than the 10% of the gross area, at point-like acupuncture from bottom
The puncture fibre bundle end of non-woven fabrics and the upper surface of the heat-fusible textile material of top layer are by hot melting cohesion, the heat-fusible weaving material of top layer
The material that material and bottom non-woven fabrics are close to using fusing point.
In one embodiment, in step one, the heat-fusible textile material of top layer selects thick denier non-woven fabrics, will before laying
Thick denier non-woven fabrics make it have the micropore passage of stable and uniform by heat setting process.Find in practice, the micropore passage
Good attachment condition is provided for the silt in water so as to good storage mud function.
Compound by point-like acupuncture between multi-layered textile material, control acupuncture assembly place area removes bottom to reach minimum destruction
Any one layer beyond layer non-woven fabrics changes its architectural characteristic due to inserting numerous bottom non-woven fabrics fibers.
In one embodiment, the heat-fusible textile material of top layer adopts polyester using polyester, bottom non-woven fabrics.
In one embodiment, the heat-fusible textile material of top layer adopts polypropylene using polypropylene, bottom non-woven fabrics.
In one embodiment, the heat-fusible textile material of top layer adopts polypropylene using polyester, bottom non-woven fabrics.
Invention additionally discloses a kind of method of the network structure of processing point-like acupuncture composite skins hot melt antiscour, including such as
Lower step：
Step one, by multi-layered textile material stack paving, in bottom nonwoven layer is laid, and top layer lays heat-fusible weaving material
Material；
Step 2, will be laminated the multi-layered textile material input needing machine for obtaining in step one, anti-by lower needle plate in acupuncture area
Face acupuncture, the pricking with needle on lower needle plate is arranged to be spaced along conveying direction, as shown in Fig. 2 and spacing is identical；Per acupuncture one
Secondary, the distance of multi-layered textile material stepping is equal to the multiple and stepping dislocating sum of pricking with needle spacing, and multiple includes 1 times or many times,
It is compound so as to obtain the acupuncture of reverse side point-like and the drop point of pricker is close to when making the drop point of pricker on needle plate and a front acupuncture
Multi-layered textile material；
Step 3, the upper surface of the multi-layered textile material that step 2 is obtained is heated, and is made by pricker from bottom nonwoven
The upper surface hot melt at fibre bundle end and the heat-fusible textile material of top layer that cloth is carried and exposes the heat-fusible textile material of top layer is combined,
Form the hot melt top layer of antiscour.
In one embodiment, in step 2, the span of stepping dislocating is 0.5~2mm.
In one embodiment, in step 3, hot melting way includes flame method, burn method.
In one embodiment, pricking with needle is configured to along the pricking with needle of conveying direction 3~6 in step 2.
In one embodiment, in step 2, the pricker between pricking with needle is that the rectangular lattice vertically and horizontally alignd is arranged, pricking with needle
Between pricker be 8~20mm in vertical and horizontal spacing.
Point-like acupuncture in the present invention, by reducing the row (3~6 pricking with needle) that pin is planted on needle plate, reduces acupuncture quantity；
The distance (0.5~2mm) of acupuncture points twice control simultaneously again before and after, concentrates on acupuncture points and formed in one little scope acupuncture
Aggregate site (i.e. point-like acupuncture), greatly reduces acupuncture area, makes acupuncture area less than the 10% of the gross area, reduces by pin
Thorn is to by the destruction of composite bed original structure, including to the heat-fusible textile material structural damage of top layer, loss of strength is decreased.
Because acupuncture amount is reduced, it is compound also little that compound peel strength compares normal acupuncture, but by surface hot melt by point-like
After the upper surface fibres bond for puncturing fibre bundle end and the heat-fusible textile material of top layer from bottom non-woven fabrics at acupuncture,
Stripping between multi-layered textile material is except needing to overcome the frictional force for puncturing fibre bundle between layer and layer, in addition it is also necessary to overcomes and wears
The fracture strength of thorn fibre bundle itself, so as to compensate for the reduction of the peel strength that point-like needled belt comes, eliminates wandering fibre,
Resistance to current scour.
The preferred embodiment of the present invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations with design of the invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (7)
1. a kind of point-like acupuncture composite skins heat the network structure of antiscour, it is characterised in that including the multi-layered textile of stacking
Material, the multi-layered textile material includes the heat-fusible textile material of top layer and bottom non-woven fabrics, and the multi-layered textile material passes through
The acupuncture of reverse side point-like is combined, the area at point-like acupuncture position less than the 10% of the gross area, at point-like acupuncture from bottom nonwoven
The upper surface for puncturing fibre bundle end and the heat-fusible textile material of top layer of cloth by hot melting cohesion, the heat-fusible weaving material of the top layer
The material that material and bottom non-woven fabrics are close to using fusing point.
2. as claimed in claim 1 a kind of point-like acupuncture composite skins heat the network structure of antiscour, it is characterised in that described
The close material of fusing point includes polyester and polyester, polypropylene and polypropylene or polyester and polypropylene.
3. a kind of a kind of processing point-like acupuncture composite skins as claimed in claim 1 heat the side of the network structure of antiscour
Method, it is characterised in that comprise the steps：
Step one, by multi-layered textile material stack paving, in bottom nonwoven layer is laid, and top layer lays heat-fusible textile material；
Step 2, will be laminated the multi-layered textile material input needing machine for obtaining, in acupuncture area by lower needle plate reverse side pin in step one
Thorn, the pricking with needle on lower needle plate is arranged to be spaced along conveying direction, and spacing is identical；Per acupuncture once, multi-layered textile material
The distance of material stepping is equal to the multiple and stepping dislocating sum of pricking with needle spacing, and the multiple includes 1 times or many times, and makes on needle plate
Pricker drop point and the drop point of pricker is close to during a front acupuncture, the multi-layered textile material compound so as to obtain the acupuncture of reverse side point-like
Material；
Step 3, the upper surface of the multi-layered textile material that step 2 is obtained is heated, and makes to be taken from bottom non-woven fabrics by pricker
The upper surface hot melt at band and the fibre bundle end and the heat-fusible textile material of top layer of exposing the heat-fusible textile material of top layer is combined, and is formed
The hot melt top layer of antiscour.
4. processing method as claimed in claim 3, it is characterised in that in step 2, the span of the stepping dislocating
For 0.5~2mm.
5. processing method as claimed in claim 3, it is characterised in that in step 3, hot melting way includes flame method, burn method.
6. processing method as claimed in claim 3, it is characterised in that pricking with needle is configured to along conveying direction 3~6 in step 2
Pricking with needle.
7. processing method as claimed in claim 3, it is characterised in that in step 2, the pricker between pricking with needle is vertically and horizontally right
Neat rectangular lattice arrangement, the pricker between the pricking with needle is 8~20mm in vertical and horizontal spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238011.9A CN106677129B (en) | 2016-12-28 | 2016-12-28 | A kind of processing method of the network structure of dotted needle thorn composite skins hot melt antiscour |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238011.9A CN106677129B (en) | 2016-12-28 | 2016-12-28 | A kind of processing method of the network structure of dotted needle thorn composite skins hot melt antiscour |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106677129A true CN106677129A (en) | 2017-05-17 |
| CN106677129B CN106677129B (en) | 2018-11-02 |
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|---|---|---|---|
| CN201611238011.9A Active CN106677129B (en) | 2016-12-28 | 2016-12-28 | A kind of processing method of the network structure of dotted needle thorn composite skins hot melt antiscour |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108935052A (en) * | 2018-06-08 | 2018-12-07 | 苏州大学 | A kind of water plant planting blanket and preparation method thereof |
| CN114347565A (en) * | 2021-12-07 | 2022-04-15 | 吉林中粮生化包装有限公司 | Hot melt bonding sword and hem braided bag prick end device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10252671C1 (en) * | 2002-11-11 | 2003-12-04 | Mayer Malimo Textilmaschf | Three-dimensional fiber-reinforce plastics body is formed by overlaid layers of filament bands, bonded together by stitches in a warp knitter, where the stitches are partially cut for shaping and penetration by a matrix material |
| CN1697727A (en) * | 2001-11-09 | 2005-11-16 | 山内株式会社 | Cushioning material for hot pressing and process for producing layered board |
| WO2006111037A1 (en) * | 2005-04-20 | 2006-10-26 | Quadrant Plastic Composites Ag | Thermoplastically processable composite material |
| CN203559390U (en) * | 2013-10-11 | 2014-04-23 | 上海新纺织产业用品有限公司 | Geosynthetic fabric used for ecological slope protection and beach protection |
| CN104169077A (en) * | 2012-02-08 | 2014-11-26 | 奎德兰特塑料合成股份公司 | Sheetlike composite material |
| CN104553109A (en) * | 2010-03-18 | 2015-04-29 | 东邦泰纳克丝欧洲有限公司 | Stitched multiaxial non-crimp fabrics |
-
2016
- 2016-12-28 CN CN201611238011.9A patent/CN106677129B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697727A (en) * | 2001-11-09 | 2005-11-16 | 山内株式会社 | Cushioning material for hot pressing and process for producing layered board |
| DE10252671C1 (en) * | 2002-11-11 | 2003-12-04 | Mayer Malimo Textilmaschf | Three-dimensional fiber-reinforce plastics body is formed by overlaid layers of filament bands, bonded together by stitches in a warp knitter, where the stitches are partially cut for shaping and penetration by a matrix material |
| WO2006111037A1 (en) * | 2005-04-20 | 2006-10-26 | Quadrant Plastic Composites Ag | Thermoplastically processable composite material |
| CN104553109A (en) * | 2010-03-18 | 2015-04-29 | 东邦泰纳克丝欧洲有限公司 | Stitched multiaxial non-crimp fabrics |
| CN104169077A (en) * | 2012-02-08 | 2014-11-26 | 奎德兰特塑料合成股份公司 | Sheetlike composite material |
| CN203559390U (en) * | 2013-10-11 | 2014-04-23 | 上海新纺织产业用品有限公司 | Geosynthetic fabric used for ecological slope protection and beach protection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108935052A (en) * | 2018-06-08 | 2018-12-07 | 苏州大学 | A kind of water plant planting blanket and preparation method thereof |
| CN114347565A (en) * | 2021-12-07 | 2022-04-15 | 吉林中粮生化包装有限公司 | Hot melt bonding sword and hem braided bag prick end device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106677129B (en) | 2018-11-02 |
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