阅读说明：本技术 一种三维立体土工网合成设备及合成方法 (Three-dimensional geonet synthesis equipment and synthesis method ) 是由 巩广朋 于 2019-10-14 设计创作，主要内容包括：本发明提供了一种三维立体土工网合成设备及合成方法,所述设备包括上层格栅输送机构、中层格栅成型机构、下层格栅输送机构、工业缝纫机以及成品打捆机；所述中层格栅成型机构包括依次设置的中层格栅放料辊、预压对辊、输送对辊以及加热定型器,在所述预压对辊的表面分布有相匹配的凸起部和凹陷部,预压对辊用于将送入的中层格栅预压成凹凸起伏或波浪折皱状的三维格栅。本发明复合制作的三维立体土工网单位克重大、厚度大、抗压能力强,能广泛适用于生态固土等生态修复工程中。(The invention provides three-dimensional geonet synthesis equipment and a synthesis method, wherein the equipment comprises an upper layer grid conveying mechanism, a middle layer grid forming mechanism, a lower layer grid conveying mechanism, an industrial sewing machine and a finished product bundling machine; the middle-layer grating forming mechanism comprises a middle-layer grating discharging roller, a prepressing roller, a conveying roller and a heating shaper which are sequentially arranged, wherein matched convex parts and concave parts are distributed on the surface of the prepressing roller, and the prepressing roller is used for prepressing the fed middle-layer grating into a three-dimensional grating in a concave-convex fluctuation or wave-fold shape. The three-dimensional geonet manufactured by the method has the advantages of large unit weight, large thickness and strong pressure resistance, and can be widely applied to ecological restoration projects such as ecological soil fixation and the like.)

1. A three-dimensional geotechnical mesh synthesis device is characterized by comprising an upper grid conveying mechanism, a middle grid forming mechanism, a lower grid conveying mechanism, an industrial sewing machine and a finished product bundling machine;

the middle-layer grating forming mechanism comprises a middle-layer grating discharging roller, a prepressing roller, a conveying roller pair and a heating shaper which are sequentially arranged, wherein matched convex parts and concave parts are distributed on the surface of the prepressing roller pair, the prepressing roller pair is used for prepressing the fed middle-layer grating into a three-dimensional grating in a concave-convex fluctuation or wave crease shape, and the conveying roller pair is used for feeding the prepressing formed middle-layer grating into the heating shaper; the heating and shaping device comprises an upper heating plate, a lower heating plate and a temperature controller, and is used for heating and shaping the middle-layer grating passing between the upper heating plate and the lower heating plate;

the upper grid conveying mechanism is used for conveying the upper grid into the industrial sewing machine from the upper part of the middle grid, the lower grid conveying mechanism is used for conveying the lower grid into the industrial sewing machine from the lower part of the middle grid, and the industrial sewing machine is used for sewing the upper grid, the formed middle grid and the lower grid and conveying the upper grid, the formed middle grid and the lower grid into the finished product bundling machine.

2. The three-dimensional geonet synthesizing equipment according to claim 1, wherein the convex part and the concave part of the pre-pressing pair roller are triangular, semi-elliptical, oblate or trapezoidal.

3. The three-dimensional geonet synthesizing equipment according to claim 1, wherein the upper grid conveying mechanism comprises an upper grid discharging roller and a plurality of guide rollers.

4. The three-dimensional geonet synthesizing equipment according to claim 1, wherein the lower grid conveying mechanism can feed the geotextile or the grass seed felt into the industrial sewing machine together with the lower grid, and the lower grid conveying mechanism comprises a lower grid feeding roller, a geotextile or grass seed felt feeding roller and a plurality of guide rollers.

5. The three-dimensional geonet synthesizing device according to claim 1, wherein an air cooling mechanism is provided between the heating and shaping device and the industrial sewing machine.

6. The three-dimensional geonet synthesizing equipment according to claim 1, wherein the upper heating plate and the lower heating plate are two parallel electric heating steel plates, the width of the electric heating steel plates along the conveying direction is 10-30cm, the thickness of the electric heating steel plates is 1.5-4cm, and the distance between the two electric heating steel plates is adjustable between 1-20 cm.

7. A three-dimensional geotechnical mesh synthesis method is characterized by comprising the following steps:

a. providing the apparatus of any one of claims 1 ~ 6 and pre-stretching the plastic into a grid;

b. feeding the middle layer grating into a pre-pressing double roller by a middle layer grating discharging roller to pre-press the middle layer grating into a three-dimensional grating in a concave-convex fluctuation or a wave wrinkle shape;

c. the formed middle layer grating is sent into a conveying double-roller by a prepressing double-roller and is sent into a heating shaper by the conveying double-roller;

d. heating and shaping the formed middle layer grating by a heating and shaping device, wherein the heating temperature is 90-170 ℃;

e. pushing out the middle layer grid of the heating and shaping device, and sending the middle layer grid into an industrial sewing machine after air cooling, meanwhile, sending the upper layer grid into the industrial sewing machine from the upper part of the middle layer grid by the upper layer grid conveying mechanism, sending the lower layer grid into the industrial sewing machine from the lower part of the middle layer grid by the lower layer grid conveying mechanism, and sewing the upper layer grid, the formed middle layer grid and the lower layer grid into the three-dimensional geonet by the industrial sewing machine;

f. and bundling the three-dimensional geonet by a finished product bundling machine.

8. The method for synthesizing the three-dimensional geotechnical mesh according to claim 7, wherein the three-dimensional geotechnical mesh comprises an upper layer grid, a middle layer grid, a lower layer grid and a geotechnical cloth layer or a grass seed felt layer, and the geotechnical cloth layer or the grass seed felt layer and the lower layer grid are sent into an industrial sewing machine together by a lower layer grid conveying mechanism to be sewn.

Technical Field

The invention relates to the technical field of geonet manufacturing equipment, in particular to three-dimensional geonet synthesis equipment and a synthesis method.

Background

The three-dimensional geonet is a geonet with more purposes in the field of ecological soil stabilization and is also an ideal soil stabilization tool in the prior art. However, the existing three-dimensional geonet manufacturing machine is to mechanically perform injection molding extrusion on plastic, stretch a grid, and then perform hot melting on the grid to manufacture the three-dimensional geonet. The three-dimensional geotechnical net manufactured by the equipment and the method has small aperture, light unit gram weight, thin net body thickness, poor three-dimensional pressure resistance and poor soil fixing effect, and can not achieve the ideal effect of ecological soil fixing.

Because the three-dimensional geonet made by applying the existing geonet machine is difficult to meet the requirements of the existing soil fixation ecological field, a new type of manufacturing equipment for the three-dimensional geonet needs to be researched to overcome the product defects of the existing geonet and manufacture the three-dimensional geonet with ideal soil fixation effect.

Disclosure of Invention

The invention aims to provide three-dimensional geonet synthesis equipment and a synthesis method, and aims to solve the problems of small mesh diameter, light unit gram weight, thin net body thickness, poor three-dimensional pressure resistance and poor soil fixation effect of a geonet manufactured by the conventional equipment and method.

The purpose of the invention is realized by the following technical scheme: a three-dimensional geotechnical mesh synthesis device comprises an upper grid conveying mechanism, a middle grid forming mechanism, a lower grid conveying mechanism, an industrial sewing machine and a finished product bundling machine;

the middle-layer grating forming mechanism comprises a middle-layer grating discharging roller, a prepressing roller, a conveying roller pair and a heating shaper which are sequentially arranged, wherein matched convex parts and concave parts are distributed on the surface of the prepressing roller pair, the prepressing roller pair is used for prepressing the fed middle-layer grating into a three-dimensional grating in a concave-convex fluctuation or wave crease shape, and the conveying roller pair is used for feeding the prepressing formed middle-layer grating into the heating shaper; the heating and shaping device comprises an upper heating plate, a lower heating plate and a temperature controller, and is used for heating and shaping the middle-layer grating passing between the upper heating plate and the lower heating plate;

the upper grid conveying mechanism is used for conveying the upper grid into the industrial sewing machine from the upper part of the middle grid, the lower grid conveying mechanism is used for conveying the lower grid into the industrial sewing machine from the lower part of the middle grid, and the industrial sewing machine is used for sewing the upper grid, the formed middle grid and the lower grid and conveying the upper grid, the formed middle grid and the lower grid into the finished product bundling machine.

The convex part and the concave part of the pre-pressing roller pair are triangular, semi-elliptical, oblate or trapezoidal.

The upper grid conveying mechanism comprises an upper grid discharging roller and a plurality of guide rollers.

The lower layer grid conveying mechanism can convey the geotextile or the grass seed felt and the lower layer grid into the industrial sewing machine together, and comprises a lower layer grid discharging roller, a geotextile or grass seed felt discharging roller and a plurality of guide rollers.

An air cooling mechanism is arranged between the heating and shaping device and the industrial sewing machine.

The upper heating plate and the lower heating plate are two electric heating steel plates which are arranged in parallel, the width of each electric heating steel plate along the conveying direction is 10-30cm, the thickness of each electric heating steel plate is 1.5-4cm, and the distance between the two electric heating steel plates is adjustable between 1-20 cm.

A three-dimensional geotechnical mesh synthesis method comprises the following steps:

a. arranging the geotechnical mesh synthesis equipment, and stretching a plastic grid in advance;

b. feeding the middle layer grating into a pre-pressing double roller by a middle layer grating discharging roller to pre-press the middle layer grating into a three-dimensional grating in a concave-convex fluctuation or a wave wrinkle shape;

c. the formed middle layer grating is sent into a conveying double-roller by a prepressing double-roller and is sent into a heating shaper by the conveying double-roller;

d. heating and shaping the formed middle layer grating by a heating and shaping device, wherein the heating temperature is 90 ~ 170 ℃;

e. pushing out the middle layer grid of the heating and shaping device, and sending the middle layer grid into an industrial sewing machine after air cooling, meanwhile, sending the upper layer grid into the industrial sewing machine from the upper part of the middle layer grid by the upper layer grid conveying mechanism, sending the lower layer grid into the industrial sewing machine from the lower part of the middle layer grid by the lower layer grid conveying mechanism, and sewing the upper layer grid, the formed middle layer grid and the lower layer grid into the three-dimensional geonet by the industrial sewing machine;

f. and bundling the three-dimensional geonet by a finished product bundling machine.

The three-dimensional geotechnical mesh comprises an upper layer grid, a middle layer grid, a lower layer grid and a geotechnical cloth layer or a grass seed felt layer, wherein the geotechnical cloth layer or the grass seed felt layer and the lower layer grid are sent into an industrial sewing machine together through a lower layer grid conveying mechanism to be sewn.

The invention can be shaped by forming the middle layer grating as follows: the grid is in various shapes such as wave fold type, triangular type, oblate type, semi-elliptical type, concave-convex type, trapezoidal type and the like, thereby being better compounded with other layers of grids. The three-dimensional geonet manufactured by the method has the advantages of large unit weight, large thickness and strong pressure resistance, and can be widely applied to ecological restoration projects such as ecological soil fixation and the like. The equipment for manufacturing the geonet has the advantages of simple and convenient operation, low investment cost, easy control, capability of carrying out multilayer compounding according to the requirement, higher flexibility and product stability and suitability for large-scale production and application.

Drawings

FIG. 1 is a schematic diagram of the structure of the device of the present invention.

In the figure: 1. industrial sewing machine, 2, finished product bundling machine, 3, middle layer grid discharging roller, 4, prepressing pair roller, 5, conveying pair roller, 6, heating shaper, 7, middle layer grid, 8, upper layer grid discharging roller, 9, guide roller, 10, upper layer grid, 11, lower layer grid discharging roller, 12, lower layer grid, 13 and geotextile.

Detailed Description

As shown in fig. 1, the apparatus of the present invention comprises an upper grid conveying mechanism, a middle grid forming mechanism, a lower grid conveying mechanism, an industrial sewing machine 1, and a finished product bundling machine 2.

The middle-layer grating forming mechanism comprises a middle-layer grating discharging roller 3, a prepressing pair roller 4, a conveying pair roller 5 and a heating shaper 6 which are sequentially arranged, wherein matched convex parts and concave parts are distributed on the surface of the prepressing pair roller 4, the convex parts and the concave parts of the prepressing pair roller 4 are triangular, semi-elliptical, oblate or trapezoidal, and the prepressing pair roller is used for prepressing the fed middle-layer grating 7 into a three-dimensional grating with various shapes such as concave-convex fluctuation or wave fold. The conveying roller pair is used for conveying the pre-pressed and formed middle layer grating into the heating and shaping device 6. The pre-pressing roller pair 4 and the conveying roller pair 5 are both cylindrical rollers, and the pressure between the roller pairs is controlled by a spring.

The heating and shaping device 6 comprises an upper heating plate, a lower heating plate and a temperature controller, wherein the upper heating plate and the lower heating plate are two electric heating steel plates which are arranged in parallel, the width of each electric heating steel plate along the conveying direction is 10-30cm, the thickness of each electric heating steel plate is 1.5-4cm, and the distance between the two electric heating steel plates is adjustable between 1-20 cm. The heat setting device 6 is used for heating and setting the middle layer grid 7 passing between the upper heating plate and the lower heating plate. An air cooling mechanism is arranged between the heating and shaping device and the industrial sewing machine and is used for air cooling and shaping the heated middle layer grating.

The upper grid conveying mechanism comprises an upper grid discharging roller 8 and a plurality of guide rollers 9 and is used for conveying an upper grid 10 into the industrial sewing machine 1 from the upper side of the middle grid 7, the lower grid conveying mechanism comprises a lower grid discharging roller 11, an geotextile or grass seed felt discharging roller and a plurality of guide rollers 9 and is used for conveying a lower grid 12 and a geotextile 13 or grass seed felt into the industrial sewing machine 1 from the lower side of the middle grid 7, the industrial sewing machine 1 sews the upper grid 10, the formed middle grid 7, the lower grid 12 and the geotextile 13 or grass seed felt and conveys the sewn upper grid, the formed middle grid 7, the formed geotextile 13 or grass seed felt into the finished product bundling machine 2, and the finished product bundling machine 2 bundles the three-dimensional geonet and then can store the three-dimensional geonet in a warehouse. Bundling machine, industrial sewing machine and carry the pair roller and all be inverter motor drive, its speed is controllable, is convenient for control according to the production needs is nimble, and other guide rolls etc. are the bearing roller.

The method for synthesizing the three-dimensional geonet by applying the equipment comprises the following steps:

1. three bundles of plastic stretching grids are placed on corresponding discharging rollers respectively, one end of a middle grid 7 is horizontally fed into a prepressing pair roller 4, and convex parts and concave parts with certain sizes and shapes are distributed on the surface of the prepressing pair roller 4 to prepress the plastic grids, so that the strength of extruded concave and convex points is weakened, and the plastic grids are easy to form into shaped grids.

2. The shape of the plastic middle layer grating enters the conveying roller pair 5 after being rolled by the pre-pressing roller pair.

3. The conveying roller pair 5 is pushed into a plastic grid heating and shaping device 6 to heat the concave-convex points pre-pressed by the grid. And pushing the grating out of the heating shaper, and then carrying out air cooling shaping to form the shaped grating with the shapes of concave-convex, triangular, wavy corrugated, semi-elliptical, oblate, trapezoid and the like.

4. After the shaped grid exits the heating and shaping device 6, the shaped grid enters the industrial sewing machine 1 together with the upper grid 10 above the shaped grid, the lower grid 12 below the shaped grid, the geotextile 13 or the grass seed felt for sewing.

5. And (4) making the three-dimensional geonet with a certain thickness by using a sewing machine.

6. The three-dimensional geonet sewn by the industrial sewing machine 1 is bundled by the finished product bundling machine 2.