阅读说明：本技术 一种人工草坪铺设工艺及人工草坪 (Artificial lawn laying process and artificial lawn ) 是由 白青龙 白小荣 于 2020-12-24 设计创作，主要内容包括：本发明提供了一种人工草坪铺设工艺及人工草坪,人工草坪,包括人造草丝层、填充层和基础层；所述基础层在最下方,填充层位于中间,人造草丝层铺设在填充层上方,所述人造草丝层包括人造草丝、基布和底基布,所述底基布为网状或直曲混合的编织布,人造草丝植入在基布上,形成半成品人造草坪,所述半成品人造草坪与底基布贴合,形成人工草坪。人工草坪的铺设工艺,具体为：位于最底部的压实度为预设值的基础层,铺设在所述基础层上的厚度不小于第一预设厚度的填充层,铺设在所述填充层上方的人造草丝层。(The invention provides an artificial lawn and a laying process thereof, wherein the artificial lawn comprises an artificial grass filament layer, a filling layer and a base layer; the artificial turf comprises a base layer, a filling layer, artificial grass filament layers and a semi-finished artificial turf, wherein the base layer is arranged at the bottom, the filling layer is arranged in the middle, the artificial grass filament layers are laid above the filling layer and comprise artificial grass filaments, base cloth and base cloth, the base cloth is woven cloth formed by mixing net-shaped or straight and curved base cloth, the artificial grass filaments are implanted into the base cloth to form the semi-finished artificial turf, and the semi-finished artificial turf is attached to the base cloth to form the artificial turf. The laying process of the artificial lawn comprises the following specific steps: the artificial grass comprises a base layer, a filling layer and an artificial grass silk layer, wherein the base layer is located at the bottommost part and has a preset compaction degree, the filling layer is laid on the base layer and has a thickness not smaller than a first preset thickness, and the artificial grass silk layer is laid above the filling layer.)

1. An artificial lawn comprises an artificial grass filament layer, a filling layer and a base layer; the basic unit is at the bottom, and the filling layer is located the middle, and artificial grass silk layer lays in the filling layer top, its characterized in that: the artificial grass filament layer comprises artificial grass filaments, base cloth and base cloth, the base cloth is mesh-shaped or straight-curved mixed woven cloth, the artificial grass filaments are implanted on the base cloth to form a semi-finished artificial lawn, and the semi-finished artificial lawn is attached to the base cloth to form the artificial lawn.

2. An artificial lawn as claimed in claim 1, wherein: the manufacturing method of the bottom base cloth comprises the following steps:

(1) firstly, weaving non-woven fabrics and mesh fabrics into mesh or straight and curved mixed woven fabrics; conveying the woven cloth to a dusting device in a grid-facing upward manner;

(2) according to 0.1-150g/m²The amount of (A) is such that the hotmelt adhesive powder is uniformly dispersed on the woven fabric;

(3) after powder scattering is finished, the hot melt adhesive powder is continuously melted and adhered to the woven cloth through a heating device, and the heating temperature is 120-200 ℃;

(4) and naturally cooling to obtain the base fabric.

3. An artificial lawn as claimed in claim 2, wherein: the manufacturing method of the artificial lawn comprises the following steps:

(1) tufting the artificial grass filaments on the base cloth according to the corresponding row spacing and needle pitch to prepare a semi-finished artificial lawn, wherein the grid surface faces downwards during tufting;

(2) the mesh surface of the base fabric and the mesh surface of the semi-finished lawn are adhered together and pass through a heating roller, the heating roller heats the system through the base fabric, and the hot melt adhesive powder is melted again to generate viscosity, so that the base fabric and the semi-finished lawn are adhered together;

(3) cooling under natural condition, and rolling.

4. An artificial lawn as claimed in claim 3, wherein: the adhesive layer is coated on the back surface of the bottom base cloth.

5. An artificial lawn as claimed in claim 3 or 4, wherein: the base layer is cement-based, asphalt-based or hard sand.

6. An artificial lawn as claimed in claim 3 or 4, wherein: the artificial grass filaments comprise grass stems and grass leaves, the grass stems are short and thick, the grass leaves are spiral-ring-shaped grass leaves, the grass leaves comprise a plurality of arc-shaped leaf layers, the arc-shaped leaves are stacked from top to bottom, every two adjacent arc-shaped leaves are connected, and the stacking height is 2-8 cm.

7. An artificial lawn as claimed in claim 6, wherein: the artificial grass filaments comprise the following components in parts by weight: 40-50 parts of polyurethane elastic resin, 2-8 parts of flame retardant, 1-4 parts of coupling agent and 40-50 parts of continuous fiber.

8. An artificial lawn as claimed in claim 7, wherein: the filling layer is a modified polyolefin thermoplastic elastomer.

9. A process for laying an artificial lawn as claimed in claim 1, wherein: the artificial grass comprises a base layer, a filling layer and an artificial grass silk layer, wherein the base layer is located at the bottommost part and has a preset compaction degree, the filling layer is laid on the base layer and has a thickness not smaller than a first preset thickness, and the artificial grass silk layer is laid above the filling layer.

10. The process of laying an artificial lawn according to claim 9, wherein: the artificial grass mat is characterized by also comprising a sand cushion layer which is paved above the artificial grass silk layer and forms a second preset thickness at the root of the artificial grass silk layer.

Technical Field

The invention relates to the technical field of planting, in particular to an artificial lawn paving process and an artificial lawn.

Background

Artificial grass is a ground material for sports fields in which a grass-like fibre compound is mechanically woven on a polypropylene substrate. The existing artificial lawn mainly uses polypropylene (pp) materials, is filled with quartz sand particles, is suitable for sports compared with nylon materials, has better wear resistance, but is harder in grass, is easy to scratch people in violent sports, and has poor ultraviolet resistance. In addition, the artificial lawn mainly adopts Polyethylene (PE) materials, quartz sand particles are filled, rubber particles are filled, the elasticity and the softness of natural grass are improved greatly, but the artificial lawn is poor in wear resistance, contains more metal impurities and is poor in environmental protection performance.

For example, chinese patent CN201910975734.4 discloses a high weather-resistant composite grass filament for artificial lawn, which comprises two carbon fiber filaments, two carbon fiber filaments and a polyurea coating layer, wherein the two carbon fiber filaments are symmetrically distributed on two sides of the grass filament fiber along the axis of the grass filament fiber, the center points of the carbon fiber filaments and the grass filament fiber are located on the same straight line direction, the polyurea coating layer is respectively reported outside the grass filament fiber and the carbon fiber filaments, the thickness of the polyurea coating layer on the outer surface of the grass filament fiber and the carbon fiber filaments is not more than 1 mm, and the thickness of the polyurea coating layer on the rest part is not less than 1.5 mm. The production method comprises the steps of raw material blending, wire drawing plasticity and synthesis operation. The method has the advantages of complex production, difficult large-scale popularization and incapability of realizing full-automatic large-scale production.

Disclosure of Invention

The invention provides an artificial lawn laying process and an artificial lawn, aiming at solving the problems of poor elasticity of the artificial lawn, complex production method, easy water accumulation, short service life and the like caused by poor heat insulation effect in the prior art.

The technical scheme adopted by the invention is as follows: an artificial lawn comprises an artificial grass filament layer, a filling layer and a base layer; the basic unit is at the bottom, and the filling layer is located the middle, and artificial grass silk layer lays in the filling layer top, and its innovation point lies in: the artificial grass filament layer comprises artificial grass filaments, base cloth and base cloth, the base cloth is mesh-shaped or straight-curved mixed woven cloth, the artificial grass filaments are implanted on the base cloth to form a semi-finished artificial lawn, and the semi-finished artificial lawn is attached to the base cloth to form the artificial lawn.

In some embodiments, the method of making the base fabric is as follows:

(1) firstly, weaving non-woven fabrics and mesh fabrics into mesh or straight and curved mixed woven fabrics; conveying the woven cloth to a dusting device in a grid-facing upward manner;

(2) according to 0.1-150g/m²The amount of (A) is such that the hotmelt adhesive powder is uniformly dispersed on the woven fabric;

(3) after powder scattering is finished, the hot melt adhesive powder is continuously melted and adhered to the woven cloth through a heating device, and the heating temperature is 120-200 ℃;

(4) and naturally cooling to obtain the base fabric.

In some embodiments, the artificial lawn is produced by the following method:

(1) tufting the artificial grass filaments on the base cloth according to the corresponding row spacing and needle pitch to prepare a semi-finished artificial lawn, wherein the grid surface faces downwards during tufting;

(2) the mesh surface of the base fabric and the mesh surface of the semi-finished lawn are adhered together and pass through a heating roller, the heating roller heats the system through the base fabric, and the hot melt adhesive powder is melted again to generate viscosity, so that the base fabric and the semi-finished lawn are adhered together;

(3) cooling under natural condition, and rolling.

In some embodiments, the artificial grass layer further comprises a glue layer coated on the back surface of the base fabric.

In some embodiments, the base layer is cement-based, asphalt-based, or hard sand.

In some embodiments, the artificial grass filaments include grass stems and grass blades, the grass stems are short and thick, the grass blades are doughnut-shaped grass blades, the grass blades include a plurality of arc-shaped blade stacks, the arc-shaped blades are stacked from top to bottom, every two adjacent arc-shaped blades are connected, and the stacking height is 2-8 cm.

In some embodiments, the artificial grass filaments comprise the following components in parts by weight: 40-50 parts of polyurethane elastic resin, 2-8 parts of flame retardant, 1-4 parts of coupling agent and 40-50 parts of continuous fiber.

In some embodiments, the filler layer is a modified polyolefin thermoplastic elastomer.

Another objective of the present invention is to provide a laying process of an artificial lawn, which has the innovation points that: the artificial grass comprises a base layer, a filling layer and an artificial grass silk layer, wherein the base layer is located at the bottommost part and has a preset compaction degree, the filling layer is laid on the base layer and has a thickness not smaller than a first preset thickness, and the artificial grass silk layer is laid above the filling layer.

In some embodiments, the method further comprises laying a sand cushion layer above the artificial grass layer and forming a second preset thickness at the root of the artificial grass layer.

Compared with the prior art, the invention has the beneficial effects that:

(1) in the invention, the step of coating glue in the traditional technology is changed, the mass production is realized to a greater extent by a heating and laminating mode, and the production efficiency is accelerated.

(2) In the invention, the base fabric can be PP or PE base fabric added with functional materials such as flame-retardant master batches, heat reflection functional fillers, constant temperature phase change materials and the like. The base cloth is ingeniously and directly conveyed to the powder scattering device in the weaving process of the base cloth, and then passes through the processing device, so that the subsequent adhering steps are light and simple, manual checking is not needed, a full-automatic assembly line is realized, the problems of easy falling and the like caused by direct coating of glue are avoided, and the service life of the artificial lawn is prolonged.

(3) Compared with the prior art, the manufacturing method of the artificial lawn has the advantages that the manufacturing method is simple and effective, the manufacturing efficiency is high, the product quality is good, the artificial lawn is pasted through the molten hot-melt adhesive powder and is firmly pasted, and the defects of uneven coating, insecure glue pasting and troublesome operation caused by the fact that glue is needed to be coated and pasted in the prior art are overcome.

(4) In the embodiment of the invention, the shape design of the artificial grass filaments is creative, firstly, the grass stems are short and thick, the bearing capacity of the artificial grass filaments can be increased, the artificial grass filaments can bear external pressure well, secondly, the grass blades are the circle type grass blades, the grass blades are arc-shaped blades which are stacked from top to bottom, so that the artificial grass filaments can filter and reduce water well, the artificial grass filaments have the elastic water permeable effect, the problems of water accumulation and the like are solved well, and secondly, the stacked arc-shaped blades can reduce pressure and sudden gravity effect, so that the artificial grass filaments can reduce the pressure and sudden gravity effect

So as to greatly prolong the service life of the artificial grass filaments and protect the artificial grass filaments from being damaged easily.

Drawings

FIG. 1 is a schematic view of the overall structure of an artificial lawn;

FIG. 2 is a schematic view of an artificial grass filament construction.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention discloses an artificial lawn, which is shown in figure 1: comprises an artificial grass filament layer 100, a filling layer 200 and a base layer 300; the base layer 300 is at the lowest part, the filling layer 200 is in the middle, and the artificial grass layer 100 is laid on the filling layer 200, which is an innovative point of the invention: the artificial grass filament layer 100 comprises artificial grass filaments, base cloth and subbottom cloth, wherein the base cloth is mesh-shaped or straight-curved mixed woven cloth, the artificial grass filaments are implanted on the base cloth to form a semi-finished artificial lawn, and the semi-finished artificial lawn is thermally attached to the subbottom cloth to form the artificial lawn. In the invention, the step of coating glue in the traditional technology is changed, the mass production is realized to a greater extent by a heating and laminating mode, and the production efficiency is accelerated.

In particular, for better fitting of the artificial grass layer, the selection and the manufacture of the base fabric are also important, and in the invention, the manufacture method of the base fabric is as follows:

(1) firstly, weaving non-woven fabrics and mesh fabrics into mesh or straight and curved mixed woven fabrics; conveying the woven cloth to a dusting device in a grid-facing upward manner; hot melt adhesive powder is placed in the powder scattering device,

(2) according to 0.1-150g/m²The amount of (A) is such that the hotmelt adhesive powder is uniformly dispersed on the woven fabric; further preferably, in the present invention, the amount of the hot melt adhesive powder is 70 to 75g/m²。

(3) After powder scattering is finished, the hot melt adhesive powder is continuously melted and adhered to the woven cloth through a heating device, and the heating temperature is 120-200 ℃; more preferably, in the present invention, the heating temperature is 160 ℃.

(4) And naturally cooling to obtain the base fabric.

In the invention, the base fabric can be PP or PE base fabric added with functional materials such as flame-retardant master batches, heat reflection functional fillers, constant temperature phase change materials and the like.

The base cloth is ingeniously and directly conveyed to the powder scattering device in the weaving process of the base cloth, and then passes through the processing device, so that the subsequent adhering steps are light and simple, manual checking is not needed, a full-automatic assembly line is realized, the problems of easy falling and the like caused by direct coating of glue are avoided, and the service life of the artificial lawn is prolonged.

In a further preferred embodiment of the present invention, the artificial turf is produced by a method comprising:

(1) tufting the artificial grass filaments on the base cloth according to the corresponding row spacing and needle pitch to prepare a semi-finished artificial lawn, wherein the corresponding row spacing and needle pitch are determined according to the requirements of customers or fields according to the prior art, and are not described again; notably, the grid was tufted face down;

(2) the mesh surface of the bottom base cloth and the mesh surface of the semi-finished artificial lawn are adhered together and pass through a heating roller, the heating roller heats the whole body through the bottom base cloth, and the hot melt adhesive powder on the bottom base cloth is melted again to generate viscosity, so that the bottom base cloth and the semi-finished artificial lawn are adhered together;

(3) cooling under natural condition, and rolling.

Compared with the prior art, the manufacturing method of the artificial lawn has the advantages that the manufacturing method is simple and effective, the manufacturing efficiency is high, the product quality is good, the artificial lawn is pasted through the molten hot-melt adhesive powder and is firmly pasted, and the defects of uneven coating, insecure glue pasting and troublesome operation caused by the fact that glue is needed to be coated and pasted in the prior art are overcome.

More preferably, the artificial grass filament layer may include an adhesive layer coated on a back surface of the base fabric (the back surface is an opposite surface to the artificial grass adhesive layer), and in the present invention, the adhesive layer does not serve to adhere the base fabric to the semi-artificial grass, but serves as a fixing coating layer.

Further preferably, in the present invention, the foundation layer is cement-based, asphalt-based or hard sand.

As another embodiment of the present invention, as another innovative point of the present invention, as shown in fig. 2: the artificial grass filaments comprise grass stems 1 and grass leaves 2, the grass stems 1 are short and thick, the grass leaves 2 are circular grass leaves, the grass leaves 2 comprise a plurality of arc-shaped leaves 20 which are stacked, the arc-shaped leaves 20 are stacked from top to bottom, every two adjacent arc-shaped leaves 20 are connected, and the stacking height is 2-8 cm. In the embodiment of the invention, the shape design of the artificial grass filaments is creative, firstly, the grass stems are short and thick, the bearing capacity of the artificial grass filaments can be increased, and the artificial grass filaments can bear external pressure well, secondly, the grass blades are the circle type grass blades and are arc-shaped blades which are stacked from top to bottom, so that the artificial grass filaments can be well filtered and precipitated, the artificial grass filaments have the elastic water permeable effect, the problems of water accumulation and the like are well solved, the water resistance of the artificial grass filaments is ensured, and secondly, the stacked arc-shaped blades can reduce pressure and sudden gravity action through the stacking structure and the stacking height, the service life of the artificial grass filaments can be greatly prolonged, and the artificial grass filaments are protected from being damaged easily.

In this embodiment of the present invention, the raw materials of the stalk 1 and the arc-shaped leaf 20 of the artificial grass filament of the present invention are the following components in parts by weight: 40-50 parts of polyurethane elastic resin, 2-8 parts of flame retardant, 1-4 parts of coupling agent and 40-50 parts of continuous fiber. Further preferably, in the invention, the raw materials comprise the following components in parts by weight: 45 parts of polyurethane elastic resin, 6 parts of flame retardant, 4 parts of coupling agent and 45 parts of continuous fiber. The artificial grass filaments are chemical products with natural grass sports performance, have the effects of relieving fatigue, absorbing shock and reducing pressure, and adopt an elastic water permeable technology, so that the artificial lawn not only meets the physical performance requirement, but also has no water accumulation on the terrace.

Specifically, in the present invention, the filling layer is a modified polyolefin thermoplastic elastomer. The artificial lawn is more elastic and can protect sporters more effectively.

Another objective of the present invention is to provide a laying process of an artificial lawn, which has the innovation points that: the artificial grass comprises a base layer, a filling layer and an artificial grass silk layer, wherein the base layer is located at the bottommost part and has a preset compaction degree, the filling layer is laid on the base layer and has a thickness not smaller than a first preset thickness, and the artificial grass silk layer is laid above the filling layer. In the present invention, the base layer has a preset value of 0.1 to 0.15m, and the filling layer has a preset value of 0.15 to 0.2 m. The innovation point of the process is that the traditional weaving mode is changed, so that the shape of the artificial lawn is closer to the shape of natural grass.

In this embodiment of the invention, further comprising a sand cushion layer laid over the artificial grass layer and formed at the root of the artificial grass layer to a second predetermined thickness. The filling thickness of the sand cushion layer is 0.04-0.06 m.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.