CN113853876B

CN113853876B - Side slope three-dimensional net pad manufacturing system and method free of spray-seeding plant seeds

Info

Publication number: CN113853876B
Application number: CN202111208869.1A
Authority: CN
Inventors: 李谦; 李秋实; 罗业富; 巍超颖; 刘玲
Original assignee: Inner Mongolia Lianggu Technology Co ltd
Current assignee: Inner Mongolia Lianggu Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-03-15
Anticipated expiration: 2041-10-18
Also published as: CN113853876A

Abstract

The utility model provides a three-dimensional netted pad manufacturing system of side slope and method of exempting from to spray-sow plant seed, this system is including being used for giving out the flat net put the net roller and be used for the rolling the wind-up roll of flat net, put and set gradually between net roller and the wind-up roll shaping unit, viscose unit and seed spraying unit, wherein: the shaping unit is used for form the string bag on the mesh of plain net, the viscose unit is used for coating vegetation is glued on the string bag, the seed sprays the unit and is used for bonding plant seed on the string bag that the coating has vegetation to glue. The invention combines the seeds to the net cushion by using the plant growth glue in the production process of the net cushion, and can cover the soil layer after the net cushion is laid on the side slope during the slope protection construction, thereby effectively simplifying the construction process, shortening the working time and improving the construction efficiency.

Description

Side slope three-dimensional net pad manufacturing system and method free of spray-seeding plant seeds

Technical Field

The invention relates to the technical field of slope greening, in particular to a slope three-dimensional net mat manufacturing system and method free of spraying plant seeds.

Background

The ecological slope protection is a slope protection technology for supporting a slope or a side slope by basic knowledge of subjects such as comprehensive engineering mechanics, soil science, ecology, phytology and the like to form a comprehensive slope protection system consisting of plants or engineering and plants.

In order to enhance the overall scouring resistance of the slope protection and improve the growth capacity of plants, in engineering, a plant net cushion woven by metal wires or plastic threads is usually laid on the slope surface, and grass seeds are sprayed on the plant net cushion, although the grass seeds can be attached to the plant net cushion, the construction process is complex and the working hours are longer, moreover, the local plants are sparse due to uneven spray seeding of the grass seeds, the overall slope protection capacity is reduced, the local grass seeds cannot grow well due to excessive seeding, and the overall survival rate of the grass seeds is low; in addition, the grass seeds sprayed on the net pad have weak bonding force with the net pad, and are easy to separate from the net pad under the washing of rainwater. In addition, traditional plane network structure's plant and grow gauze pad can not provide better fixed power for the grass seeds, and the adhesion of grass seeds and gauze pad is weak in addition, and most grass seeds all can be washed to the side slope bottom after the heavy rain erodees, cause and plant the effect poor, and the vegetation survival rate reduces, and then leads to the bank protection to consolidate the ability decline, and whole resistant scouring ability is unsatisfactory.

Disclosure of Invention

The invention aims to provide a manufacturing system of a side slope three-dimensional net cushion without spraying plant seeds, which bonds the plant seeds and the net cushion together by using plant growth glue in the production process, improves the bonding force of grass seeds and the net cushion, simplifies the construction process, and simultaneously, a net bag structure formed on the net cushion not only provides sufficient space and soil for the growth of the grass seeds, but also can greatly reduce the loss of the grass seeds, fix the positions of the grass seeds on the net cushion, and obviously improve the survival rate of plants on the net cushion so as to solve the problems of complicated construction, long working hours, poor planting effect of the net cushion and weak overall scouring resistance in the prior art.

The invention is realized by the following technical scheme:

the utility model provides a three-dimensional netted pad manufacturing system in side slope of exempting from to spray-seeding plant seed, is including being used for emitting the plain net put the net roller and be used for the rolling the wind-up roll of plain net, it has set gradually shaping unit, viscose unit and seed spraying unit to put between net roller and the wind-up roll, wherein: the shaping unit is used for form the string bag on the mesh of plain net, the viscose unit is used for coating vegetation is glued on the string bag, the seed sprays the unit and is used for bonding plant seed on the string bag that the coating has vegetation to glue.

In the technical scheme, the net placing roller is wound with the flat net roll to be formed with the net bag, the flat net roll continuously conveys the flat net to the direction of the winding roller, namely the moving path of the flat net moves from the net placing roller to the winding roller, and the flat net finally formed with the net bag is collected on the winding roller in a coiled manner.

The flat screen sequentially passes through the forming unit, the gluing unit and the seed spraying unit in the moving process to complete corresponding processes. Wherein, a net bag is formed on the net holes of the forming unit flat net, and the net bag is provided with a plurality of through holes. In some embodiments, the flat net may be made of plastic or metal, preferably metal to provide enough strength for the net pad to be laid on the slope, and the net bag is made of plastic such as polyethylene, polypropylene, polyurethane, etc. which is used for the net pad for slope protection. Form the string bag on the plain net and remove to the viscose unit, at the viscose unit, plain net, string bag coating vegetation of cylinder liner glue, vegetation glue is for having the liquid of certain viscidity, and it not only can the adhesion plant seed, is favorable to plant seed to grow moreover. The flat net is coated with plant growth glue and then moves continuously, and when the plant seeds pass through the seed spraying unit, the plant seeds are sprayed on the plant growth glue to form adhesion, so that preliminary fixation is formed. In one or more embodiments, a drying unit is further disposed after the seed spraying unit to accelerate the curing of the plant growth glue, thereby reinforcing the binding force between the plant seeds and the net bag.

Through the arrangement, the seeds are combined to the net pad by utilizing the plant growth glue in the production process of the net pad, and the soil layer can be covered after the net pad is laid on the side slope in the slope protection construction, so that the construction process is effectively simplified, the working time is shortened, and the construction efficiency is improved; moreover, the vegetation is glued and is improved the combination dynamics of grass seeds and net pad, the structural advantage of string bag in addition, not only can provide sufficient space and soil for the growth of grass seeds, can reduce grass seeds loss by a wide margin moreover, the position of fixed grass seeds on the net pad, the survival rate of the plant on the net pad has been improved remarkably for the net pad is quick, high-efficient to be laid in the slope that the slope is bigger, the topography is more complicated, the whole ability of nai scouring of reinforcing bank protection.

As a preferable structure of the forming unit, the forming unit comprises a forming roller capable of rotating around the axis of the forming roller, a convex part is arranged on the forming roller and matched with the meshes of the flat net, an extruder is arranged above the forming roller, and molten silk threads extruded by the extruder fall onto the convex part and are mutually interwoven to form the net bag.

In the technical scheme, the forming rollers of the forming unit can be positioned at any position on the moving path of the flat net to form a plurality of net bags on the meshes of the flat net. Specifically, in some embodiments, the forming roller may be located between the unwinding roller and the winding roller; in one or more embodiments, the forming roller may also be located on the same side of the unwinding roller and the winding roller. The convex parts arranged on the forming rollers are matched with the meshes of the plain net, and the matching means that the sizes, the number and the arrangement modes of the convex parts correspond to the meshes of the plain net, so that when the plain net passes through the forming rollers, the convex parts can be inserted into and penetrate through the meshes of the plain net and extend to the upper part of the plain net, and therefore when silk threads fall onto the convex parts, the adjacent silk threads can be interwoven with one another and form a net bag on the plain net. Meanwhile, the lug bosses inserted into the mesh holes can drive the attached flat net to move synchronously and transfer the flat net to a designated device, such as a cooling silk thread in a cooling pool. In one or more embodiments, the protrusion is conical, truncated, or hemispherical.

The extruder disposed above the forming roll may be any type of extruder known in the art, such as a screw extruder. After the extruder melts the plastic particles, the hot-melted plastic is extruded from the machine head to form silk threads. The filaments fall onto the raised portions of the lower forming roll. The pivoted shaping roller makes the silk thread form the line of the plain net of connecting the mesh both sides on the bellying, and many silk threads form the preliminary form of string bag jointly on same bellying, and the body is promptly, and along with the reduction of silk thread temperature, the body is moulded gradually, finally forms bellied string bag on the mesh. In one or more embodiments, the size and the outer contour of the net bag can be designed by adjusting the structure of the convex part.

The net pad prepared by the forming unit can utilize the net bag to remarkably improve the soil fixation capacity, when water flow erodes, the water flow can generate local vortex in the net bag to generate an energy dissipation effect, so that water flow carried objects are easily deposited in the net bag of the net pad, grass seeds and soil loss are avoided, the erosion resistance capacity of the net pad is remarkably improved, and the net pad can be suitable for side slopes with steeper slopes. In addition, the net bag provides sufficient space and soil for the attachment and growth of grass seeds, plant roots can penetrate through the net bag, the grass seeds grow comfortably, neatly and uniformly, and the survival rate of the grass seeds is effectively improved.

It is worth noting that, after the silk thread falls to the convex part, under the action of self gravity and the curved surface of the convex part, the silk thread can move a small distance to the bottom of the convex part, so that the finally formed net bag presents a structure that the silk thread gradually transits from sparse to dense, namely, the aperture of the through hole in the top center area of the net bag is larger, and the aperture of the through hole in the bottom edge area close to the flat net is smaller, thereby being beneficial to the plant to smoothly penetrate out of the net bag after sprouting, not only having a good soil fixation effect, but also not influencing the growth of the plant.

As a preferable structure of the forming unit, the forming unit is further provided with a driving device for driving the extruder or an extrusion head of the extruder to reciprocate on the same height in a direction perpendicular to a moving path of the flat web. Among this technical scheme, drive arrangement is used for driving extruder or extruder' S extrusion head and is reciprocating motion to make single silk thread after falling to the bellying, can form the line of S-shaped on the bellying, two adjacent S-shaped lines can form and bond each other together, form the through-hole that orderly distribution and shape are more regular, and then make the quality of each string bag of dictyosome more homogeneous, the quality is higher, has prolonged the life of dictyosome.

The driving device of the extruder can be a vibration motor and can be a screw rod stepping motor. As a preferable setting mode of the driving device, the driving device is a hydraulic cylinder, the hydraulic cylinder is driven by an adaptive hydraulic oil pump to smoothly push the extruder or the extrusion head to reciprocate, and in the reciprocating movement process, the vertical distance between the extrusion head and the forming roller is not changed.

The extrusion holes on the extrusion head of the extruder can be distributed at equal intervals or unequal intervals. In some embodiments, the extrusion head of the extruder is provided with at least one row of extrusion holes, and the extrusion holes of each row are distributed at equal intervals. In some embodiments, at least two rows of extrusion orifices are provided in the extrusion head, and in one or more embodiments, only one row of extrusion orifices is provided in the extrusion head. In this technical scheme, the equal interval distribution of extrusion hole on each row, one or more extrusion hole are corresponding to a bellying on the forming roll to when the bellying passes through the below, the shaping silk thread on the bellying.

As a preferred arrangement mode of the extrusion holes, at least one row of extrusion holes is arranged on an extrusion head of the extruder, each row of extrusion holes is divided into a plurality of groups, in each group of extrusion holes, the number of the extrusion holes on one side of a central line is greater than that of the extrusion holes on the other side of the central line, and each group of extrusion holes corresponds to one convex part on the forming roller. In some embodiments, at least two rows of extrusion orifices are provided in the extrusion head, and in one or more embodiments, only one row of extrusion orifices is provided in the extrusion head. In the technical scheme, the extrusion holes in each row are divided into a plurality of groups, and the distribution characteristics of each group of extrusion holes are that the central line of the group of extrusion holes is taken as a boundary line, so that the number of the extrusion holes on one side of the central line is larger, and the number of the extrusion holes on the other side of the central line is smaller. For example, four extrusion holes are arranged in one group of extrusion holes, one extrusion hole is arranged on the left side of the center line, three extrusion holes are arranged on the right side of the center line, and the distance between the first extrusion hole and the second extrusion hole is larger than the distance between every two extrusion holes on the right side in the left-to-right direction.

Through the arrangement mode, the net bag of the net pad has a structure that the upper part is sparse and the lower part is dense, the aperture of the through hole on one side of the net bag is larger than that of the through hole on the other side, namely, the size of the through hole of the net pad is gradually reduced from top to bottom and gradually increased or reduced from left to right, a central area, a sparse area and a dense area can be formed on the net bag, the aperture of the through hole in the central area is maximum, and the aperture of the through hole in the dense area is minimum. When the net pad is installed on a side slope, the dense area is located below the sparse area, so that the dense area can effectively prevent soil and grass seeds from losing, meanwhile, the sparse area can allow more grass seeds and soil washed from the upper side to enter the containing cavity to form obstruction, the larger aperture is more favorable for growth of plant grass seeds, a more proper growth environment is provided for plant growth, the survival rate of plants is remarkably improved, the soil fixing capacity of the net pad is enhanced, the integral scouring resistance is enhanced, and the net pad is allowed to be suitable for water and soil conservation of terrains with steeper gradient and more complex terrains. Preferably, the extrusion head is provided with a row of extrusion holes.

Further, a cooling pool used for containing cooling liquid is arranged below the extruder, the rotating shaft of the forming roller is rotatably arranged on the cooling pool, and the cooling liquid is used for cooling the net bag formed on the protruding portion. Among this technical scheme, the shaping roller is at least partly located the cooling bath, and the shaping roller can rotate in the cooling bath to when driving the plain net from the extruder below process, after the shaping has the silk thread on the bellying, the silk thread can enter into to the cooling bath in proper order, and the solidification is cooled off under the effect of coolant liquid, and quick shaping improves the string bag quality and shortens process flow, improves production efficiency.

As a preferred structure of the viscose unit, the viscose unit comprises a glue pool for containing plant growth glue, a net pressing roller is arranged above the glue pool, and the net pressing roller is used for pressing the plain net into the glue pool to contact with the plant growth glue. The gluing unit is used for gluing the passing mesh pad. After passing through the forming unit, the silk threads form a blank body, and the blank body is cooled to form a net bag on the meshes of the flat net. When the flat net moves to the net pressing roller, the pressed net roller presses into the glue pool filled with the plant growth glue, and after the flat net continuously moves out of the glue pool, the plant growth glue is randomly coated on the net bag. The viscose unit can be hardly influenced the flat net and coat vegetation glue on the string bag under the prerequisite of putting the removal between net roller and the wind-up roll fast, has improved the production efficiency of wire mat, is favorable to the industrialized batch production wire mat of system.

Further, the plant growth glue comprises the following components in parts by weight: 18-25 parts of starch, 70-90 parts of water, 0.8-1.2 parts of hydrogen peroxide, 0.1-0.3 part of ferrous sulfate, 2-3 parts of a tackifier, 1-1.6 parts of a stabilizer, 5-10 parts of a quick drying agent, 1-3 parts of sodium hydroxide, 0.3-0.5 part of sodium tetraborate, 0.1-0.3 part of tributyl phosphate and 0.1-0.3 part of formaldehyde. The main components of the plant growth glue adopted in the technical scheme are starch and water, the plant growth glue is beneficial to plant growth and can be degraded in soil, and meanwhile, the proportion of the starch and the water can enable the whole plant growth glue to have enough viscosity to be adhered to plant seeds. In addition, the plant growth glue also comprises components which are beneficial to plant growth, such as formaldehyde, ferrous sulfate, hydrogen peroxide and the like, so that the bacterial breeding can be reduced, the survival rate of seeds can be improved, and meanwhile, the viscosity of the plant growth glue can be further increased, the fluidity can be reduced, the solidification can be accelerated by adopting the conventional tackifier, stabilizer and quick-drying agent, so that the plant seeds can be rapidly and stably adhered to the plant growth glue.

As an optimal structure of the seed spraying unit, the seed spraying unit comprises a seed box, an opening for the flat net to go in and out is formed in the seed box, a partition plate is arranged in the seed box, and an air nozzle is arranged below the partition plate and used for blowing the plant seeds placed on the partition plate to the flat net passing through the seed box. The flat net that the coating has vegetation to glue comes out the back from gluing the pond, continues to enter into the kind seed box in, at the in-process that the seed box removed, the tuyere of seed box bottom continuously to the baffle of seed box carry the air current, the plant seed that places on the baffle is blown to the air current, blows the flat net that the top passed through with plant seed, plant seed can adhere to on vegetation is glued after contacting the flat net, along with the outside that the flat net removed to the seed box. The seed sprays the unit and sprays plant seed to vegetation and glue under the prerequisite that does not influence the flat screen and remove and scribble, not only can improve the cushion production efficiency, adopts the mode that the wind sent moreover, can utilize the mobile air current in the seed case to accelerate the solidification that vegetation was glued, further improves the cohesion of grass seed and vegetation and glue, string bag.

Further, the system also comprises a drying unit, the drying unit comprises a drying box, an opening for the flat net adhered with the plant seeds to enter and exit is arranged on the drying box, and a heat infrared lamp is arranged in the drying box and used for drying the plant growth glue. Among this technical scheme, utilize hot infrared lamp stoving vegetation to glue, can accelerate vegetation and glue the solidification, improve production efficiency, simultaneously, hot infrared lamp can also play the effect of disinfecting, reduces the bacterium in the vegetation is glued, improves the survival rate of grass seeds.

The invention also provides a manufacturing method of the spray-seeding-free plant seed side slope three-dimensional mesh pad, which adopts any one of the mesh pad manufacturing systems, and the method specifically comprises the following steps:

the flat net moves from the net releasing roller to the winding roller;

the flat net moves from the net releasing roller to the winding roller and sequentially passes through the forming unit, the gluing unit and the seed spraying unit;

the molten silk threads are mutually interwoven on the meshes of the flat net and cooled to form a net bag; the surface of the net bag is coated with plant growth glue; the plant seeds are adhered to the plant growth glue.

In the forming unit, the molten silk threads are interwoven on meshes of the plain net and cooled to form a net bag, in the gluing unit, the surface of the net bag is coated with plant growth glue, and in the seed spraying unit, plant seeds are adhered to the plant growth glue.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. according to the invention, the seeds are combined to the net pad by using the plant growth glue in the production process of the net pad, and the soil layer can be covered after the net pad is laid on the side slope during slope protection construction, so that the construction process is effectively simplified, the working time is shortened, and the construction efficiency is improved;

2. according to the invention, the plant growth glue is adopted to improve the combination strength of grass seeds and the net pad, meanwhile, the structure of the net bag enables water flow to generate local vortex in the net bag to generate an energy dissipation effect, so that water flow carrying objects are easy to deposit in the net bag of the net pad, grass seeds and soil loss are avoided, sufficient space and soil can be provided for the growth of the grass seeds, the grass seed loss can be greatly reduced, the position of the grass seeds on the net pad is fixed, the survival rate of plants on the net pad is obviously improved, the net pad is quickly and efficiently paved on a slope with a larger slope and a more complex terrain, and the integral scouring resistance of a slope protection is enhanced;

3. according to the invention, after the silk threads fall on the convex part, under the action of self gravity and the curved surface of the convex part, the silk threads move a small distance to the bottom of the convex part, so that the finally formed net bag presents a structure that the silk threads gradually transition from sparse to dense from top to bottom, namely the aperture of the through hole in the central area of the top of the net bag is larger, and the aperture of the through hole in the edge area close to the bottom of the flat net is smaller, thus being beneficial to the plant to smoothly penetrate out of the net bag after germination, not only playing a good role in soil fixation, but also not influencing the growth of the plant;

4. the invention sets the extrusion holes in an arrangement mode that half of the extrusion holes are less than half of the extrusion holes by taking the central line as a boundary line, so that the prepared net bag not only has a structure of being sparse from the top and dense from the bottom, and the aperture of the through hole at one side of the net bag is larger than that of the through hole at the other side, when the net pad is arranged on the side slope, the dense area is positioned below the sparse area, so that the dense area can effectively prevent the loss of soil and grass seeds, meanwhile, the sparse area not only can allow more grass seeds and soil washed from the upper part to enter the containing cavity to form obstruction, the larger aperture is more beneficial to the growth of the grass seeds of the plants, a more suitable growth environment is provided for the growth of the plants, the survival rate of the plants is obviously improved, the soil fixing capacity of the net pad is enhanced, the integral scouring resistance is enhanced, and the net pad is allowed to be suitable for water and soil conservation of terrains with steeper gradient and more complex terrains;

5. the main components of the plant growth glue adopted by the invention are starch and water, so that the plant growth glue is beneficial to plant growth and can be degraded in soil, and the whole plant growth glue has enough viscosity to bond plant seeds;

6. the viscose unit can quickly coat the plant growth gum on the net bag on the premise of hardly influencing the movement of the flat net between the net placing roller and the net winding roller, thereby improving the production efficiency of the net pad and being beneficial to the industrialized mass production of the net pad by a system;

7. the seed spraying unit sprays the plant seeds to the plant growth glue on the premise of not influencing the movement of the flat net, so that the production efficiency of the net pad can be improved, the solidification of the plant growth glue can be accelerated by utilizing the flowing air flow in the seed box by adopting an air conveying mode, and the binding force of the grass seeds, the plant growth glue and the net bag is further improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic diagram of a system for manufacturing a mesh pad according to an embodiment of the present invention;

FIG. 2 is a schematic view of a filament being discharged through an extruder and falling onto a forming roll in an embodiment of the present invention;

FIG. 3 is a schematic bottom view of one configuration of an extrusion head in accordance with an embodiment of the present invention;

FIG. 4 is a schematic diagram of a seed spraying unit according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a drying unit according to an embodiment of the present invention;

FIG. 6 is a schematic view of a net pad structure manufactured by the manufacturing system according to an embodiment of the present invention, wherein the threads of the net bag of the net pad are arranged in a top (center) sparse structure and a bottom (edge) dense structure;

FIG. 7 is a schematic bottom view of another configuration of an extrusion head in accordance with an embodiment of the present invention;

FIG. 8 is another embodiment of a mesh pad structure made by the manufacturing system of the present invention, wherein the threads of the mesh bag of the mesh pad are in a top (center) sparse and bottom (edge) dense structure, and a left-side sparse and right-side dense structure;

FIG. 9 is a schematic view of a structure of a net mat for slope protection according to an embodiment of the present invention;

FIG. 10 is an enlarged view of a portion of FIG. 9 at A;

FIG. 11 is a block flow diagram of a method of fabrication in an embodiment of the invention.

Reference numbers and corresponding part names in the drawings:

1-a net placing roller, 2-a winding roller, 3-a forming unit, 31-an extruder, 32-an extruding head, 321-an extruding hole, 33-a forming roller, 331-a bulge part, 34-a driving device, 35-a cooling tank, 36-a rotating shaft, 37-cooling liquid, 4-a viscose unit, 41-a glue tank, 42-a net pressing roller, 43-plant growth glue, 5-a seed spraying unit, 51-a seed box, 52-a clapboard, 53-an air nozzle, 54-an exhaust port, 6-a drying unit, 61-a drying box, 62-a heat infrared lamp, 71-a flat net, 72-a net bag, 721-a central area, 722-a dense area, 723-a sparse area, 73-silk threads, 74-a mesh hole and 75-plant seeds, 80-slope, 81-soil, 82-plant.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be taken as limiting the scope of the invention.

Example 1:

as shown in fig. 1 to 3, the manufacturing system of the three-dimensional net mat for the side slope of the spray-seeding-free plant seeds comprises a net releasing roller 1 for releasing a flat net 71 and a winding roller 2 for winding the flat net 71, wherein a molding unit 3, a viscose unit 4 and a seed spraying unit 5 are sequentially arranged between the net releasing roller 1 and the winding roller 2, wherein: the forming unit 3 is used for forming a net bag 72 on a mesh 74 of the flat net 71, the adhesive unit 4 is used for coating the plant growth adhesive 43 on the net bag 72, and the seed spraying unit 5 is used for adhering plant seeds 75 on the net bag 72 coated with the plant growth adhesive 43;

the forming unit 3 comprises a forming roller 33 capable of rotating around the axis thereof, a convex part 331 is arranged on the forming roller 33, the convex part 331 is matched with the mesh 74 of the flat net 71, an extruder 31 is arranged above the forming roller 33, and the molten state silk threads 73 extruded by the extruder 31 fall onto the convex part 331 and are mutually interwoven to form the net pocket 72; the forming unit 3 is further provided with a driving device 34, and the driving device 34 is used for driving the extruding machine 31 or the extruding head 32 of the extruding machine 31 to reciprocate along the direction vertical to the moving path of the flat screen 71 on the same height; the extrusion head of the extruder is provided with at least one row of extrusion holes, and the extrusion holes of each row are distributed at equal intervals.

In some embodiments, the flat net of the net pad may be made of plastic or metal material, preferably metal material to make the net pad have sufficient strength when being laid on the slope, and the net bag is made of plastic such as polyethylene, polypropylene, polyurethane, etc. which is used for the slope protection net pad.

In some embodiments, the driving device of the extruder may be a vibration motor, and may be a screw stepping motor, and preferably, the driving device is a hydraulic cylinder.

In some embodiments, as shown in fig. 1 and fig. 2, a cooling tank 35 for containing a cooling liquid 37 is disposed below the extruder 31, the rotating shaft 36 of the forming roller 33 is rotatably disposed on the cooling tank 35, and the cooling liquid 37 is used for cooling the net bag 72 formed on the protrusion 331. In this embodiment, the shaping roller is at least partly located the cooling bath, and the shaping roller can rotate in the cooling bath to when driving the plain net from the extruder below process, after the shaping has the silk thread on the bellying, the silk thread can enter into to the cooling bath in proper order, and the solidification is cooled off under the effect of coolant liquid, and quick shaping improves the string bag quality and shortens process flow, improves production efficiency.

During manufacturing, the flat net moves from the net releasing roller to the winding roller under the driving of the forming roller and the winding roller. When the silk threads pass through the lower part of the extruder, the molten silk threads extruded by the extrusion head fall onto the convex part of the forming roller, the extruder moves in a reciprocating manner under the action of the driving device, so that S-shaped connecting lines can be formed on the convex part after a single silk thread falls onto the convex part, two adjacent S-shaped connecting lines can be bonded together to form a blank body, and the convex tuck net is finally formed on the net holes along with the reduction of the temperature of the silk threads.

The top view of the prepared net pad is shown in fig. 6, and as can be seen from fig. 6, net holes 74 formed in a flat net 71 of the net pad are uniformly covered with net bags 72 with basically consistent shapes, when water flow scours, water flow can generate local eddy currents in the net bags to generate an energy dissipation effect, so that water flow carried objects are easy to deposit in the net bags of the net pad, grass seeds and soil are prevented from losing, the scouring resistance of the net pad is remarkably improved, and the net pad can be suitable for side slopes with steeper slopes. In addition, the net bag provides sufficient space and soil for the attachment and growth of grass seeds, plant roots can penetrate through the net bag, the grass seeds grow comfortably, neatly and uniformly, and the survival rate of the grass seeds is effectively improved.

Moreover, the silk thread falls to the bellying on the back, receive the effect of self gravity and bellying curved surface, the silk thread can remove a segment distance to the bottom of bellying, the string bag that leads to finally forming demonstrates the structure that top-down silk thread is gradually passed through to being intensive by sparse, also the through-hole aperture of the top central zone of string bag is bigger, and the through-hole aperture that is close to the bottom marginal zone of plain net is littleer, thereby be favorable to wearing out smoothly in following the string bag after the plant germination, can enough play firm soil effect well, can not influence the growth of plant again.

In the embodiment, the seeds are combined to the net pad by using the plant growth glue in the production process of the net pad, and the soil layer can be covered after the net pad is laid on the side slope in the slope protection construction, so that the construction process is effectively simplified, the working time is shortened, and the construction efficiency is improved; moreover, the vegetation is glued and is improved the combination dynamics of grass seeds and net pad, and the structural feature of string bag in addition not only can provide sufficient space and soil for the growth of grass seeds, can reduce grass seeds loss by a wide margin moreover, the position of fixed grass seeds on the net pad, the survival rate of the plant on the net pad has been improved remarkably for the net pad is quick, high-efficient to be laid in the slope that the slope is bigger, the topography is more complicated, the whole ability of nai scouring of reinforcing bank protection.

Example 2:

in addition to embodiment 1, as shown in fig. 7, at least one row of extrusion holes 321 is disposed on the extrusion head 32 of the extruder 31, each row of extrusion holes 321 is divided into a plurality of groups, in each group of extrusion holes 321, the number of extrusion holes 321 on one side of the center line is greater than the number of extrusion holes 321 on the other side of the center line, and each group of extrusion holes 321 corresponds to one protrusion 331 on the forming roller 33.

In this embodiment, the extrusion holes in each row are further divided into a plurality of groups, and each group of extrusion holes is characterized in that the central line of the group of extrusion holes is used as a boundary line, so that the number of the extrusion holes on one side of the central line is larger, and the number of the extrusion holes on the other side of the central line is smaller. As shown in fig. 8, four extrusion holes are arranged in one group of extrusion holes, one extrusion hole is arranged on the left side of the center line, three extrusion holes are arranged on the right side of the center line, and the distance between the first extrusion hole and the second extrusion hole is larger than the distance between every two extrusion holes on the right side in the left-to-right direction. In an embodiment, according to an actual design, the extrusion holes in the same group may also be arranged in a direction from left to right, and the distance between two adjacent extrusion holes gradually increases or gradually decreases.

Through the arrangement mode, the net bag of the net pad has a structure that the upper part is sparse and the lower part is dense, the aperture of the through hole on one side of the net bag is larger than that of the through hole on the other side, namely the size of the through hole of the net pad is gradually reduced from top to bottom and gradually increased or reduced from left to right, and then a central area 721, a dense area 722 and a sparse area 723 can be formed on the net bag, as shown in fig. 8, the aperture of the through hole in the central area is the largest, and the aperture of the through hole in the dense area is the smallest. When the net pad is installed on the side slope 80, as shown in fig. 9 and 10, the dense area 422 is located below the sparse area 423, so that the dense area can effectively block soil and grass seeds from running off, meanwhile, the sparse area can allow more grass seeds washed from the upper side and soil to enter the containing cavity to form blocking, larger aperture is more beneficial to plant grass seed growth, a more appropriate growth environment is provided for plant growth, the survival rate of plants is remarkably improved, the soil fixing capacity of the net pad is enhanced, the overall scouring resistance is enhanced, and the net pad is allowed to be suitable for water and soil conservation of terrains with steeper slope and more complex terrains.

In some embodiments, the extrusion head 32 is provided with a row of extrusion orifices 321.

Example 3:

on the basis of the above embodiment, as shown in fig. 1, the glue applying unit 4 includes a glue pool (41) for containing the plant growth glue 43, a mesh pressing roller 42 is disposed above the glue pool 41, and the mesh pressing roller 42 is used for pressing the plain net 71 into the glue pool 41 to contact the plant growth glue 43.

After passing through the forming unit, the silk threads form a blank body, and the blank body is cooled to form a net bag on the meshes of the flat net. When the flat net moves to the net pressing roller, the pressed net roller presses into the glue pool filled with the plant growth glue, and after the flat net continuously moves out of the glue pool, the plant growth glue is randomly coated on the net bag. The viscose unit can be hardly influenced the flat net and coat vegetation glue on the string bag under the prerequisite of putting the removal between net roller and the wind-up roll fast, has improved the production efficiency of wire mat, is favorable to the industrialized batch production wire mat of system.

In some embodiments, the plant growth gum comprises the following components in parts by weight: 18-25 parts of starch, 70-90 parts of water, 0.8-1.2 parts of hydrogen peroxide, 0.1-0.3 part of ferrous sulfate, 2-3 parts of a tackifier, 1-1.6 parts of a stabilizer, 5-10 parts of a quick drying agent, 1-3 parts of sodium hydroxide, 0.3-0.5 part of sodium tetraborate, 0.1-0.3 part of tributyl phosphate and 0.1-0.3 part of formaldehyde. In this embodiment, the vegetation is glued the principal ingredients and is starch and water, not only is favorable to vegetation and can degrade in soil, can make vegetation glue whole have sufficient viscidity bonding plant seed moreover, and in addition, each auxiliary component in the vegetation is glued can reduce bacterial growing, be favorable to vegetation, can also further increase the viscidity that vegetation glued, reduce mobility, solidification with higher speed, be favorable to plant seed quick, bond firmly on vegetation is glued.

In one or more embodiments, the plant growth gum comprises the following components in parts by weight: 22-25 parts of starch, 85-90 parts of water, 0.9-1.2 parts of hydrogen peroxide, 0.1-0.2 part of ferrous sulfate, 2-3 parts of a tackifier, 1.4-1.6 parts of a stabilizer, 8-10 parts of a quick drying agent, 2-3 parts of sodium hydroxide, 0.4-0.5 part of sodium tetraborate, 0.2-0.3 part of tributyl phosphate and 0.2-0.3 part of formaldehyde.

Example 4:

on the basis of the above embodiment, as shown in fig. 4, the seed spraying unit 5 includes a seed box 51, an opening for the flat net 71 to enter and exit is provided on the seed box 51, a partition plate 52 is provided in the seed box 51, an air nozzle 53 is provided below the partition plate 52, and the air nozzle 53 is used for blowing the plant seeds 75 placed on the partition plate 52 to the flat net 71 passing through the seed box 51.

In this embodiment, the seed sprays the unit and sprays plant seed to vegetation and glue under the prerequisite that does not influence the flat screen and remove and coat, not only can improve the cushion production efficiency, adopts the mode that the wind sent moreover, can utilize the mobile air current of the seed incasement to accelerate the solidification that vegetation was glued, further improves the cohesion of grass seed and vegetation and glue, string bag.

Example 5:

on the basis of the above embodiment, as shown in fig. 5, the system further includes a drying unit 6, the drying unit 6 includes a drying box 61, an opening for the flat net 71 adhered with the plant seeds 75 to enter and exit is provided on the drying box 61, a thermal infrared lamp 62 is provided in the drying box 61, and the thermal infrared lamp 62 is used for drying the plant growth glue 43.

In this embodiment, dry vegetation with hot infrared lamp and glue, can accelerate vegetation and glue the solidification, improve production efficiency, simultaneously, hot infrared lamp can also play the effect of disinfecting, reduces the bacterium in the vegetation is glued, improves the survival rate of grass seeds.

Example 6:

fig. 11 shows a method for manufacturing a three-dimensional net pad for a side slope of a spray-free plant seed, which employs any one of the net pad manufacturing systems in the previous embodiments, and the method includes the following steps:

the flat net 71 moves from the net releasing roller 1 to the winding roller 2 and sequentially passes through the forming unit 3, the viscose unit 4 and the seed spraying unit 5;

in the forming unit 3, the molten silk threads 73 are interwoven with each other on the meshes 74 of the flat net 71 and cooled to form a net bag 72, in the viscose unit 4, the surface of the net bag 72 is coated with the plant growth glue 43, and in the seed spraying unit 5, the plant seeds 75 are adhered to the plant growth glue 43.

In some embodiments, the flat web 71 with the seeds adhered to the plant growth glue is further dried using a thermal infrared lamp.

As used herein, "first," "second," etc. merely distinguish the corresponding components for clarity of description and are not intended to limit any order or to emphasize importance, etc. Further, the term "connected" used herein may be either directly connected or indirectly connected via other components without being particularly described.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a three-dimensional netted pad manufacturing system of side slope of exempting from to spray-seeding plant seed, is including being used for emitting net roller (1) of putting of plain net (71) and being used for the rolling wind-up roll (2) of plain net (71), its characterized in that, it has set gradually between net roller (1) and wind-up roll (2) shaping unit (3), viscose unit (4) and seed spraying unit (5), wherein:

the forming unit (3) is used for forming a net bag (72) on a mesh (74) of the flat net (71), the adhesive unit (4) is used for coating plant growth adhesive (43) on the net bag (72), and the seed spraying unit (5) is used for adhering plant seeds (75) on the net bag (72) coated with the plant growth adhesive (43); the forming unit (3) comprises a forming roller (33) capable of rotating around the axis of the forming unit, a convex part (331) is arranged on the forming roller (33), the convex part (331) is matched with a mesh (74) of a plain net (71), an extruder (31) is arranged above the forming roller (33), and molten state threads (73) extruded by the extruder (31) fall onto the convex part (331) and are interwoven with each other to form the net bag (72); the forming unit (3) is further provided with a driving device (34), and the driving device (34) is used for driving the extruder (31) or an extrusion head (32) of the extruder (31) to reciprocate on the same height along the direction vertical to the moving path of the flat screen (71).

2. The manufacturing system of the three-dimensional net mat for the side slope of the spray-free plant seeds as claimed in claim 1, wherein the extrusion head (32) of the extruder (31) is provided with at least one row of extrusion holes (321), each row of extrusion holes (321) is divided into a plurality of groups, in each group of extrusion holes (321), the number of extrusion holes (321) on one side of the central line is greater than the number of extrusion holes (321) on the other side of the central line, and each group of extrusion holes (321) corresponds to one convex part (331) on the forming roller (33).

3. The manufacturing system of the three-dimensional net cushion for the side slope without spraying plant seeds as claimed in claim 1, wherein a cooling pool (35) for containing a cooling liquid (37) is arranged below the extruder (31), the rotating shaft (36) of the forming roller (33) is rotatably arranged on the cooling pool (35), and the cooling liquid (37) is used for cooling the net bag (72) formed on the protruding portion (331).

4. The manufacturing system of the three-dimensional net cushion for the side slope without spraying plant seeds is characterized in that the adhesive unit (4) comprises an adhesive pool (41) for containing plant growth adhesive (43), a net pressing roller (42) is arranged above the adhesive pool (41), and the net pressing roller (42) is used for pressing the plain net (71) into the adhesive pool (41) to contact the plant growth adhesive (43).

5. The manufacturing system of the three-dimensional net mat for the side slope without spraying plant seeds of claim 4, wherein the plant growth glue (43) comprises the following components in parts by weight: 18-25 parts of starch, 70-90 parts of water, 0.8-1.2 parts of hydrogen peroxide, 0.1-0.3 part of ferrous sulfate, 2-3 parts of a tackifier, 1-1.6 parts of a stabilizer, 5-10 parts of a quick drying agent, 1-3 parts of sodium hydroxide, 0.3-0.5 part of sodium tetraborate, 0.1-0.3 part of tributyl phosphate and 0.1-0.3 part of formaldehyde.

6. The manufacturing system of the three-dimensional net mat for the side slope without spraying the plant seeds is characterized in that the seed spraying unit (5) comprises a seed box (51), an opening for the flat net (71) to enter and exit is arranged on the seed box (51), a partition plate (52) is arranged in the seed box (51), a blast nozzle (53) is arranged below the partition plate (52), and the blast nozzle (53) is used for blowing the plant seeds (75) placed on the partition plate (52) to the flat net (71) passing through the seed box (51).

7. The manufacturing system of the three-dimensional net mat for the side slope without spraying the plant seeds is characterized in that the system further comprises a drying unit (6), the drying unit (6) comprises a drying box (61), an opening for the flat net (71) adhered with the plant seeds (75) to enter and exit is arranged on the drying box (61), a thermal infrared lamp (62) is arranged in the drying box (61), and the thermal infrared lamp (62) is used for drying the plant growth glue (43).

8. A method for manufacturing a side slope three-dimensional net pad without spraying plant seeds is characterized in that the net pad manufacturing system of any one of claims 1-7 is adopted, and the method comprises the following steps:

the flat net (71) moves from the net releasing roller (1) to the winding roller (2);

the molten silk threads (73) are mutually interwoven on the meshes (74) of the flat net (71) and cooled to form a net bag (72);

the surface of the net bag (72) is coated with plant growth glue (43);

the plant seeds (75) are adhered to the plant growth glue (43).