KR101731890B1 - Manufactured artificial turf with layered mesh fabric through the manufacturing method of the improved tensile strength and tuft withdrawal - Google Patents

Abstract

The present invention relates to a method to manufacture artificial turf with a tensile strength and a withdrawal force improved by a mesh stacked thereon, performing tufting work by a pile yarn when the mesh is attached and stacked on the upper surface of a primary backing substrate, so as to improve the tensile strength of the manufactured artificial turf and the pullout force of a pile, and artificial turf manufactured thereby. According to the present invention, the method comprises: a stacking and feeding step of attaching and stacking the mesh on the upper surface of the primary backing substrate in a feeding roller unit to feed the primary backing substrate to a weaving unit; a weaving step of tufting the pile yarn on the stacked mesh and primary backing substrate feed to the weaving unit at constant intervals to form an artificial turf structure having a turf layer on the lower surface of the primary backing substrate; a coating step of coating a coating solution on the upper surface of the primary backing substrate having the mesh stacked thereon after the weaving step to integrating combine the mesh, the primary backing substrate, and a pile stitch of the pile forming the turf layer; and a cooling step of drying and cooling the coating solution after the coating step to form the artificial turf. In the stacking and feeding step, both sides of the primary backing substrate are touched, supported, and fed by a pin roller of the feeding roller unit and a front pin roller of the weaving unit, the mesh is touched, supported, and continuously fed by the lower roller of the feeding roller unit and the front pin roller of the weaving unit, so the primary backing substrate is fed to the weaving unit in a state of attaching and stacking the mesh on the upper surface of the primary backing substrate.

Description

Technical Field [0001] The present invention relates to a method of manufacturing an artificial turf, in which a mesh net is laminated and a tensile strength and a pulling force are improved, and an artificial turf produced by the artificial turf with a layered mesh fabric manufactured using the improved tensile strength and tuft withdrawal,

The present invention relates to an artificial turf manufacturing method in which a mesh net is laminated so that a tensile strength and a pulling force are improved, and an artificial turf manufactured by the method. In a state in which a poly mesh net is laminated on a bubble paper, Wherein the mesh net and the filament yarn are integrated with each other and the warpage of the artificial turf and the pile of the pile are improved by the coating solution so that the warp and mesh net and pile sweat are integrally connected to each other, It relates to artificial turf.

In recent years, the demand for grass fields has been increasing due to the expansion of leisure activities. In the golf driving range, athletic field and other public places, natural grass can be substituted for physical protection of the athletes as well as beautiful scenery. Artificial turf is often used.

The artificial turf may be produced by forming an artificial turf yarn with a polymer resin such as polyethylene, polypropylene, nylon, etc., and then tufting the artificial turf yarn into a polypropylene or polyester base fabric to form an artificial turf file, In order to form a pulling force not to be pulled out from the artificial turf gear, artificial turf is manufactured by applying a coating material composed of SBR (styrenebutadiene rubber) series or polyurethane or polyethylene material to the artificial turf bubble paper do.

The artificial turf is made of a synthetic fiber material in the form of grass, and is made of an artificial turf. The artificial turf is made of synthetic resin and is laid on grass in a grass shape. So that the coating agent is applied to the lower surface of the substrate.

However, since the artificial grass sustains the pulling force exerted entirely on the pile yarn by the coating agent applied to the lower surface of the pile fabric, the coating amount of the coating agent is required to be increased in order to increase the pulling strength of the pile yarn, Thereby causing an increase in the economic burden.

In particular, since artificial turf has a 70% file ratio in the entire weight of a domestic artificial grass, when the coating agent is applied to improve the pulling power of the file, the file ratio can not be adjusted have.

In addition, since the artificial turf file is tufted in a state in which the pile yarn composed of a plurality of strands are overlapped, the file located on the lower surface of the warp yarn has a state in which a plurality of pile yarns are overlapped with each other, When the coating solution is applied to the lower surface of the superposed tufted paper, the outermost pile can be fixed by the coating solution. However, in the piled pile between the superposed pile and the innermost pile adjacent to the base paper, So that the total drawing strength of the pile is lowered.

In addition, since the artificial grass of the related art is designed to have tensile strength to be held by the base paper and the coating liquid coated thereon, the tensile strength in both the length and the width directions is about 900N or less, , Resulting in increased cost due to maintenance and the like.

Registered Patent Registration Registration No. 10-1635536 (June 26, 2016) Registered Patent Registration Bulletin Registration No. 10-1635540 (June 26, 2016) Registered Patent Registration Bulletin Registration No. 10-1449333 (October 1, 2014) Open Patent Publication No. 10-2012-0134073 (2012.12.11)

An object of the present invention is to provide an artificial turf manufacturing method in which a tufting operation by a pile yarn is performed in a state in which a mesh net is closely stacked on a top surface of a base paper and the tensile strength and drawing strength of the artificial turf are improved, And to provide artificial turf produced by the method.

The present invention relates to a paper feeder comprising: a paper feed step in which a base paper of a paper roll is supplied to a feed roller section; A mesh net supply step of supplying a mesh net of the mesh net roll to the supply roller unit; A lamination supply step in which a mesh net is closely stacked on the top surface of the substrate in the supply roller section and supplied to the weaving section; A weaving step of forming a synthetic turf structure in which the filament yarn is tightly stacked on the mesh net and the bubble sheet supplied to the weaving unit and the turf layer is formed on the lower side of the weft jig; A coating step in which a coating solution is applied to the upper surface of the base layer in which the mesh mesh is closely stacked after the weaving step so that the pile of the mesh mesh and the pile of the pile forming the grass base layer are integrally bonded; Drying and cooling the coating liquid after the coating step to form artificial turf,

Wherein the lamination supply step comprises feeding the both sides of the paper by the fin roller of the feeding roller unit and the front end fin roller of the weaving unit and being supported by the lower end roller of the feeding roller unit and the front end pin roller of the weaving unit, And supplied to the weaving unit in a state in which the mesh net is closely stacked on the upper surface of the base paper.

In the present invention, the base paper is not continuously fed to the weaving unit through the feeding roller unit in the paper wrapping roll, but the base paper between the weaving unit in the feeding roller unit is kept in tension by the tension adjusting unit of the feeding roller unit, Since the bubble paper is intermittently supplied from the winding roll to the supply roller portion, the mesh net is closely adhered to the upper surface of the paper to be fed to the weaving portion.

In the present invention, since the shearing pin roller is disposed at the front end of the weaving unit and the rear end pin roller is disposed at the rear end thereof, the bulge supplied to the weaving unit and the mesh net stacked thereon are pulled tight without tension to maintain a constant tension , Tufting work is smoothly carried out in the fabric even if the mesh net is stacked on the base fabric.

The present invention is further provided with an embossing roller at the rear end of the weaving portion, so that the artificial turf can be transported without slipping even if a grass layer is formed at the bottom of the paper by the tufting operation.

The mesh net, the bubble pile and the pile yarn are integrated by the double structure of the mesh net and the bubble pile and the grass layer formed by tufting of the filament yarn against the mesh net and the bubble, The tensile strength of the steel sheet is improved.

In the present invention, the pile yarn is sequentially penetrated through the mesh net and the bubble to form a grass layer, and the pulling force against the pile of the grass layer is improved by the double support of the mesh net and the bulge.

The present invention relates to a mesh net made of a polypropylene (PP) or a polyethylene (PE) material and having a fabric net structure in which wefts and wefts having fine hairs on their surfaces are crossed one over the other, The tufting operation is performed, and the pulling force of the pile can be further improved.

FIG. 1 is a view showing an example of a manufacturing process according to the present invention
Fig. 2 is an exemplary view showing a configuration of a feeding roller portion and a weaving portion according to the present invention
3 is an exemplary view showing the operation state of the supplying roller unit according to the present invention (the tension roller elevation)
4 is an exemplary view (tension roller descent) showing the operation state of the supplying roller unit according to the present invention,
5 is an exemplary view showing the configuration of the pin roller / shearing pin roller / rear fin roller of the present invention
FIG. 6 is a view showing an example of supplying / weaving a warp and a mesh net according to the present invention
FIG. 7 is an exemplary view showing the construction of artificial turf according to the present invention
8 is an exemplary view showing a configuration of an embossing roller according to the present invention
FIG. 9 is a photograph showing a state in which the filament yarn is woven according to the present invention
10 is an exemplary view showing the configuration and operation state of the guide portion according to the present invention

FIG. 1 is an exemplary view showing a manufacturing process according to the present invention, FIG. 2 is an exemplary view showing a configuration of a supplying roller unit and a weaving unit according to the present invention, FIG. 3 is an example of an operating state of the supplying roller unit FIG. 5 is an exemplary view showing the configuration of the pin roller / shearing pin roller / trailing pin roller according to the present invention, FIG. 5 is a view showing an example of an operation state of the supplying roller portion according to the present invention (tension roller descending) FIG. 6 is an exemplary view showing supply / weaving of a base paper and a mesh net according to the present invention, FIG. 7 is an exemplary view showing the construction of artificial turf according to the present invention, FIG. 8 is a view showing the constitution of the embossing roller FIG. 9 is a photograph showing a weaving state of a filament yarn according to the present invention, FIG. 10 is a view showing an example of a configuration and operation state of a guide part according to the present invention,

The present invention relates to a feeder feed step in which a feeder 11 of a feed roll 20 is fed to a feed roller unit 30;

A mesh net supply step of supplying the mesh net 12 of the mesh net roll 40 to the supply roller unit 30;

A lamination supply step in which a mesh net 12 is closely stacked on a base paper upper surface 11a in a supply roller portion 40 and supplied to a weaving portion 50;

The artificial turf structure having the filament 11 and the grass layer 13 formed at the lower side of the hopper 11 with the filament yarn being tilted at regular intervals to the mesh net 12 and the paper feeder 11 which are closely stacked and supplied to the weaving part 50 14) < / RTI >

After the weaving step, the coating solution is applied to the base paper 11a with the mesh net 12 adhered to each other, so that the mesh net 12, the pile fabric 11, Lt; / RTI >

A drying and cooling step of drying and cooling the coating liquid after the coating step to form the artificial turf 10,

In the lamination supply step, both sides of the bulge 11 are contact-supported and fed by the pin roller 31 of the feeding roller unit 30 and the front end pin roller 51 of the weaving unit,

The mesh net 12 is contact-supported and continuously supplied by the lower roller 33 of the supply roller portion and the front end fin roller 51 of the weaving portion so that the mesh net 12 is closely stacked on the base upper surface 11a As shown in FIG.

Further, the present invention further includes a winding step in which, after the drying and cooling step, the artificial turf (10) is wound on the winding roll (90).

The bubble supplying step is a step in which the bubble generator 11 wound around the foaming roll 20 is fed into the feeding roller part 30 and is fed to the feeding rollers 30 by the operation of the feeding roller part 30, The feeder 11 is fed into the feed roller portion 30. [

The warp paper 11 is formed by tufting needles to tuft the filament yarn. The warp paper 11 is not deformed even when heat is dried due to application of the coating liquid, Which is made of polypropylene (PP) or polyethylene (PE) or made of a woven or nonwoven fabric of polypropylene, for enhancing the pulling strength of the pile through the formation of a fixing part having a uniform and excellent adhesive strength. And a second base foam made of polyester may be used.

The feed roller unit 30 is configured to prevent the defogger 11 from being sagged and to stably feed the foam paper 11 and the mesh net 12 in the direction of the weaving machine 30 while the tension is constantly controlled. 2 to 4, a plurality of support pins 31a are provided on the surface so as to protrude at a predetermined height, and are rotatably connected to the upper end of the support table 35 so as to be positioned above the support rolls 20 A drive motor 36 installed at one side of the support table 35 to drive the pin roller 31 and a drive motor 36 installed at one end of the support roller 35 to be rotatably connected to the upper end of the support table A lower roller 33 rotatably connected to the lower end of the support so as to be positioned below the upper roller 32 and a lower roller 33 rotatably connected to the support roller 35 so as to be positioned between the pin roller 31 and the upper roller 32. [ A tension adjusting portion 37 for automatically adjusting the tension of the base 11 to be connected thereto, And a rotating roller 34 is installed to be placed symmetrically between the 33 and the work table (38).

The pin roller 31 is intermittently rotated by the driving motor 36 as shown in FIGS. 2 to 5 so that the paper foil 11 is fed into the feeding roller portion 30, A plurality of support pins 31a protrude from the outer surface of the roller.

As shown in FIG. 5, the support pin 31a has a rounded top 31b. That is, the plurality of support pins 31a are rounded in an hemispherical shape so that the support pins 31a do not penetrate the support 11, and a plurality of support pin ends 31b are formed on the lower surface 11b of the support By generating a predetermined frictional force by point contact, the foil papers 11 are supplied without slippage when the pin roller 31 rotates.

2 to 4, the driving force of the driving motor 36 is transmitted to the pin roller 31 via the chain 36a and the sprocket 36b, So that the pin roller 31 is driven. Since the transmission of the driving force by the chain and the sprocket is a well-known technique, a detailed description thereof will be omitted.

That is, the pin roller 31 is rotationally driven by the drive motor 36 and is driven by the frictional force due to the point contact between the support pin 31a and the bottom surface 11b of the bipolar plate 11 during rotation of the pin roller 31 The foil paper 11 wound around the paper roll 20 is pulled in the rotating direction of the fin roller 31 and fed and fed to the feeding roller portion 30. [

The upper roller 32 and the lower roller 33 are cylindrically shaped as shown in FIGS. 2 to 4 and the upper roller 32 is spaced apart from the pin roller 31 by a predetermined distance, And the lower roller 33 is rotatably installed at the lower end of the support 35 so as to be positioned below the upper roller 32. [

That is, the upper roller 32 and the pin roller 31 are connected to both sides of the upper end of the supporter 35 so as to be symmetrical with respect to the supporter 35, and the lower roller 33 is connected to the upper roller 32 And may be connected to the lower end of one side of the support table 35 so as to be positioned on the lower side.

As shown in FIGS. 3 and 4, the rotary roller 34 has a cylindrical shape and is spaced apart from the lower roller 33 by a predetermined distance. That is, the lower roller 33 and the rotary roller 34 are installed so as to be located at the front / rear end of the work table 38 installed between the feed roller 30 and the weaving part 50, And the weft portion are installed at the front and rear ends of the work table 38 so as not to affect the feeding of the base paper 11 and the mesh net 12 even when the state of the weaving portion is checked, So that the net 12 is horizontally transported.

2 to 4, the tension adjusting unit 37 adjusts the tension of the paper by contacting the bubble paper positioned between the fin roller 31 and the upper roller 32. As shown in Figs. 2 to 4, An upper sprocket 37a rotatably mounted on an upper portion of the support 35 so as to be positioned below the support sprocket 31; a lower sprocket 37b rotatably installed below the support 35; And a tension roller 37f integrally fixedly connected to a shaft 37e integrally with a fixing table 37d integrally formed with the connecting chain 37c. The tension roller 37f is connected to the lower sprocket 37b, .

That is, the tension adjusting portion 37 is configured such that the both ends of the shaft 37e of the tension roller are fixed to the connecting chain 37c, and the connecting chain 37c, to which the shaft 37e is connected by the own weight of the tension roller 37f, The tension roller 37f is lowered by rotating the upper and lower sprockets 37a and 37b so that the tension roller 37f is rotated in contact with the base paper 11 when the base paper 11 is fed. 11 are smoothly supplied.

The tension adjusting unit 37 is provided with upper and lower detecting sensors 37g and 37h for sensing the position of the tension roller 37f on the supporting table 35. The upper and lower detecting sensors 37g and 37h are integrally formed with the tension roller 37f A dog 37i which is in contact with the upper and lower detection sensors 37g and 37h is provided on the fixed table 37d to be moved so as to be connected to the shaft 37e and automatically detects the rising or falling position of the tension roller 37f And is recognized. The support rail 35 is provided with a guide rail 37j for guiding the fixing rail 37d so that the tension roller 37f and the fixing table 37d can be easily moved up and down.

3 and 4, the tension adjuster 37 configured as described above moves the bubble paper positioned between the pin roller 31 and the upper roller 32 by the self weight of the tension roller 37f in the downward direction So that the tension of the bobbin positioned between the upper roller 32 and the shearing pin roller 51 of the weaving unit is controlled to be constant.

That is, the paper feeder 11 is fed from the paper roll 20 to the fin roller 31 of the feed roller unit, the base paper is fed downward by the tension roller 37f of the tension control unit at the fin roller 31, The bubbles are fed upward to the upper roller 32 again via the roller 37f and the bubbles are fed again to the lower roller 33 via the upper roller 32 and the load of the tension roller 37f The bubbles positioned between the pin roller 31 and the upper roller 32 are pressed downward to keep the tension of the paper sheet constant.

More specifically, the upper roller 32 rotates in contact with the bubble paper supplied to the weaving portion 50, and a tension (tension), which is positioned between the pin roller 31 and the upper roller 32 on the flow path of the paper, The shaft of the roller 37f is integrally connected to the connecting chain 37c connected to the upper and lower sprockets 37a and 37b so that the roller 37f is moved downward from the upper sprocket 37a toward the lower sprocket 37b by its own weight 3, when the tufting operation is continued by the weaving machine 50 in the state where the driving of the pin roller 31 is stopped, the load of the tension roller 37f is applied to the paper guide 11 The base paper 11 is continuously moved in the direction of the weaving portion 50 in a state where it is applied. At this time, since the foil paper 11 is held in contact with the pin roller 31, the paper foil roll 20 continues to be conveyed in the direction of the weaving machine 11 in the state of not rotating, The tension roller 37f moves upward in the direction of the upper sprocket 37a while being rotated by contact with the base paper by the conveyance of the same bulge 11.

When the upward movement of the tension roller 37f is sensed by the upper detection sensor 37g, the drive motor 36 is actuated to rotate the pin roller 31. As a result, The forge 11 is fed into the feeding roller portion 30 so that the tension roller 37f is contacted to the base paper until it is sensed by the bottom sensor 37b and moves down again.

Since the tension of the tension roller 37f is continuously transmitted to the bobbin 11 when the tension roller 37f moves up and down, the tension of the bobbin supplied to the bobbin 50 is kept constant do.

The mesh net supply step is a stage in which the mesh net 12 wound around the mesh net roll 40 is supplied into the supply roller unit 30. The installation position of the mesh net roll 40 is not particularly limited, And may be installed so as to be positioned between the roller portion 30 and the weaving portion 50.

The mesh net 12 is for increasing the tensile strength of artificial turf and improving the drawing strength of the pile. The mesh net 12 is made of polypropylene (PP) or polyethylene (PE) The weft (weft) is made up of a fabric netting structure interwoven with each other at the bottom.

For example, the warp yarns and the warp yarns constituting the mesh net 12 may be made of yarns or bulk yarns, and may be composed of 2 to 5 yarns rather than single yarns.

The mesh network 12 is preferably made of the same material as the base paper 11 and has an effect of improving the recyclability when the base paper 11 and the mesh net 12 are made of polyethylene .

The mesh net 12 has a warp density of 60 +/- 2 Pick / 10 cm, a weft density of 24 +/- 2 Pick / 10 cm, an inclination of 315 +/- 30 denier, a weft of 1050 +/- 40 denier Denier, Weight 50 ± 5 g / sqm, and warp and weft elongation 10 to 35%.

The mesh net 12 having such physical properties not only has a uniform tension but also has a function of preventing the shearing force from being applied to the weft portion by the shearing pin roller 51 of the weaving portion and the lower roller 33 of the feeding roller portion and the rotating roller 34 And has a characteristic of being brought into close contact with the base paper 11 without lifting.

In addition, since the mesh net 12 having the above-described physical properties is made of fibers having warp and wefts with fine hairs, when the tufting operation is performed by the filament yarn, the filament yarn passes through the warp and weft of the mesh net, The pulling force can be further improved.

The mesh net 12 as described above is supplied to the supply roller unit 30 through the lower roller 33 of the supply roller unit and is mounted on the upper surface 11a of the paper feeder, And is supplied to the knitting machine 50 via the knitting machine.

The laminating and supplying step is a step of supplying the mesh net 12 to the weaving unit 50 so that the mesh net 12 is closely stacked on the upper surface 11a of the foam paper supplied to the weaving unit 50, The adhesion stacking between the base paper 11 and the mesh net 12 is performed between the lower roller 33 of the feeding roller portion and the rotating roller 34 spaced apart from the lower roller 33 by a predetermined distance.

That is, the base paper 11 is supported on one side by the fin roller 31 of the feeding roller portion, the other side is contactably supported by the front end fin roller 51 of the weaving portion, and the fin roller 31 and the front end pin roller The bubbles positioned between the lower roller 51 and the lower roller 33 are conveyed to the rotary roller 34 while maintaining a predetermined horizontal tension by the lower roller 33 while maintaining a predetermined tension by the tension roller 37f. At this time, since the mesh net 12 is fed to the front end fin roller 51 of the weaving unit via the lower roller 33 via the rotating roller 34, the mesh web 12 is fed between the lower roller 33 and the rotating roller 34, (11) and the mesh net (12) are horizontally conveyed in close contact while maintaining a predetermined tension (tension).

The tufting step is a step of tufting the filament yarn by the weaving portion 50 to form the turf layer 13. The tufting step is performed by the front end fin roller 51 of the weaving portion as shown in Fig. 11) and the mesh net 12 are uniformly fed in the direction of the tufting needle, and the artificial turf structure (the filament yarn is tufted to the hopper and the mesh net and the grass layer is formed on the lower side) And is conveyed at a constant speed by being supported by the rear end pin roller 52 positioned at the rear end of the portion. At this time, since the mesh net 12 is provided to be positioned on the upper surface 11a of the base paper 11, the pile yarn is sequentially passed through the mesh net and the bubble paper by the tufting needles, (13).

The pile yarn is tufted by a plurality of strands on the mesh net 12 and the prepreg 11 to form a grass layer 13 having characteristics similar to natural grass. 7, the filament yarn is tufted in the shape of an "∩" shape around the mesh net 12 and the bulge 11 to form a mesh net 12 and a bulge top face 11a, And the grass layer 13 is formed on the lower surface 11b of the base paper. The material of the pile yarn is not particularly limited, but polyolefin based pile yarn such as polyethylene, polypropylene, or nylon is used, preferably polyethylene.

As shown in FIG. 6, the weaving unit is provided so that the front end fin roller 51 and the rear end finishing roller 53 are located at the front end and the rear end, (Not shown).

As shown in FIG. 5, the front end pin roller 51 and the rear end pin roller 52 are provided with a plurality of support pins 51a and 52a protruding from the outer surface of a cylindrical roller, The support pins 51a and 52a are provided at the front end F and the rear end B of the weave portion so as to be in contact with the base upper surface 11a having the mesh net 12, respectively.

The upper ends 51b and 52b are rounded in a hemispherical shape so that the support pins 51a and 52a do not penetrate the base paper so that the upper ends 51b and 52b are in point contact with the lower surface of the base paper to generate a predetermined frictional force , The front end pin roller 51 and the rear end pin roller 52 are driven to rotate, the front end 11 and the mesh net 12 are not damaged, and they are not slipped but are constantly transported while maintaining a predetermined tension .

The configurations of the front end fin roller 51 and the rear end fin roller 52 differ only in the configuration and size of the fin roller 31 of the feed roller unit, but are substantially the same in configuration.

The rear end pin roller 52 is provided on the weaving part 50 so as to be positioned below the rear end rotating roller 53 of the weaving part so that the mesh net 12 of the artificial turf structure 14, And the base paper top surface 11a are supported and supported by the support pins 51a and 52a of the rear end pin roller.

An embossing roller 54 is further provided at the rear end of the rear fin rollers 52. The embossing rollers 54 are disposed on the left side of the artificial turf structure 14 And has a function of contacting the turf layer 13 so that the artificial turf structure 14 can be transported more stably without slippage.

8 and 9, a plurality of embossings are protruded from the outer surface of the embossing roller 54. As shown in FIGS. 6 and 9, the embossing roller 54 is disposed above the rear end pin roller 52 The turf structure 13 of the artificial turf structure 14 that has been installed in the weaving part 50 so as to be positioned in the weaving part 50 is brought into contact with and transported by the rear end rotating roller 53 and the embossing roller 54, The top surface 11a of the base paper 11a and the mesh net 12 are held in contact with the pin roller 52 and are stably transported to the transported U-shaped path without slip.

In addition, foreign matter is prevented from being inserted into the bag pile 11 and the mesh net 12, and the mesh net 12 is brought into close contact with the bag upper surface 11a to form tufting needles The guide portion 55 is provided so as to be stably supplied in the direction of the arrows.

6, the guiding portion 55 is formed so that the mesh web 12 can be transported while being closely attached to the upper surface 11a of the bag, And has a function of preventing foreign matter from being inserted into the net 12 and preventing the foreign matter from being supplied to the knitting machine 50 in a state where the foreign matter is attached.

The guide portion 55 is rotatably installed on the front end portion of the weaving portion 50 so as to be connected to the front end fin roller 51.

10, the guide part 55 is provided in parallel with the shearing pin roller 51 below the front end fin roller 51 of the weaving part so that the mesh net 12 and the defogger 11 A rotary cover 57 which is provided so as to surround the cylindrical support 56 and has a guide groove 57a and a guide groove 57a which penetrates the guide groove 57a of the rotary cover 57, A fixing bolt 56a for fixing the rotary cover 57 to the cylindrical support 56 and a rotary cover 57 formed to surround the front end pin roller 51 and supported by a plurality of connection supports 58, And a guide cover 59 integrally connected to the guide cover 59.

That is, the guide portion 55 is provided so that the guide cover 59 has a function of covering the front end pin roller 51, and the guide cover 59 is disposed in the guide groove 57a of the rotation cover 57 And is rotatable around the cylindrical support 56 to open or conceal the shearing pin rollers 51 so that the maintenance of the shearing pin rollers can be facilitated.

10 is a view showing the construction and operation of the guide part according to the present invention. The guide part 55 constructed as described above is fixed to the cylindrical support 56 so as to pass through the guide groove 57a of the rotary cover 57, The rotary cover 57 is fixed and the position of the guide cover 59 is fixed by fixing the rotary cover 57. [

When the guide cover 59 is rotated such that the fixing bolt 56a is loosened so that the front end pin roller 51 is exposed to the outside, the guide groove 57a of the rotary cover 57 rotates about the center of the fixing bolt 56a So that the rotary cover 57 is rotated around the cylindrical support 56 as a center axis, and the guide cover 59 connected thereto is also rotated.

That is, when the fixing bolt is tightened in a state where the guide cover 59 is positioned such that the front end pin roller 51 is positioned inside the guide part 55, the rotary cover 57 is integrally fixed to the cylindrical support 56 6, the inner surface 59a of the guide cover 59 is fixed to the support pin upper end 51b of the front end fin roller at a predetermined interval (G).

The predetermined gap G is set to be 1 to 1.2 t with respect to the total thickness t of the mesh net 12 and the thickness of the bulge 11, Even if a foreign substance is adhered to the net 12 and the foil papers 11, the inflow of the foreign matter is prevented by the guide cover 59 and the mesh net 12 is brought into tight contact with the upper face 11a of the foil, So as to be guided.

The knitting machine 50 constructed as described above is constructed so that the mesh network 12 and the upper surface 11a of the bipod are brought into contact with the cylindrical support 56 of the guide portion from the rotation roller 34 of the supply roller portion, The lower surface 11b of the bipod is brought into contact with the front end fin roller 51 of the weaving portion in a state in which the mesh net 11 is in contact with the upper surface 11a of the bipod 10, And the mesh net 12 and the foaming papers 11 are fed to the front end of the web 10. After the tufting operation is completed by the rear end rotating rollers 53 and the rear end fin rollers 52 and the embossing rollers 54, So that the artificial turf structure 14 can be stably transported without slipping.

The coating step is performed by coating the upper surface 11a of the base paper on which the pile sweat 13a is located and the mesh pile 12 with the coating liquid to make the pile base 13a, The artificial turf structure 14 having the lawn layer 13 is transported and supplied to the coating portion 60 so that the dredging roller 61 can sweep the top surface 11a And the mesh net 12 are coated with a coating liquid.

The dipping roller 61 is installed on the coating part 60 so that the lower part of the dipping roller 61 is rotated while being immersed in the coating water tank 62 in which the coating liquid is stored. The coating solution is applied to the substrate 12.

The artificial turf structure 14 having been completely tufted in the weaving part 50 is continuously supplied into the coating part 60 so as to be continuously connected in the weaving step, After the artificial turf structure 14 having been subjected to the tiling operation is wound around the transporting and winding rollers, the transporting and winding rollers (not shown) may be transported to the coating unit to perform the coating operation. At this time, the winding speed of the feed-up winding roller is set in consideration of the feeding speed of the hopper and the mesh net supplied into the weaving unit in consideration of the tufting operation speed of the weaving unit.

The latex is made of, for example, 25 to 27 wt% of Styrene-Butadiene Latex, 0.1 to 1 wt% of zinc oxide, 38 to 41 wt% of calcium carbonate, 0.1 to 5 wt% of additives (thickener, surfactant, dispersant) (Thickener, surfactant, dispersant) of 0.1 to 2 wt%, water (water), and water to 29 to 35 wt%, or a mixture of Styrene-Butadiene Latex 21 to 23 wt%, zinc oxide 0.1 to 1 wt%, calcium carbonate 50 to 52 wt% 25 to 27 wt% may be used. At this time, the additive is generally added to the known thickener, surfactant, dispersant, etc. added to the back coat of artificial turf, and the kind and addition of such additive are well known in the art. do.

The latex coating solution is characterized in that the mesh network is closely attached to the bubble paper without lifting the mesh network, and penetrates between the mesh network and the tufted pile yarn to increase the pulling force of the pile.

In addition, the polyethylene may be attached to the base paper in the form of a film and integrated with the base paper by heat, or may be applied to the base paper in a liquid state and integrated with the base paper by drying / cooling.

In the drying and cooling step, the coating liquid applied to the artificial turf structure 14 by the coating step is heated and dried within a range of about 100 to 120 DEG C in the drying section 70, 81 so as to form the coating layer 15 on the artificial turf structure 14.

The winding step is a step in which the artificial turf structure 14 having the coating layer 15, that is, the artificial turf 10 is automatically wound on the wind-up roll 90. The winding speed of the wind- 60 and the supply speed of the artificial turf structure 14 supplied into the drying section 70 and the cooling section 80 are taken into account.

The artificial turf 10 produced by the above-described manufacturing method not only improves the tensile strength of artificial turf but also increases the pulling strength of the pile.

Hereinafter, the present invention will be described in detail with reference to the following examples.

Example 1

(PE) is tufted on the mesh net and the paper (PP) to form a lawn layer, and the coating liquid is coated on the upper surface of the mesh net (PP) The grass was prepared. The tensile strength was measured (KS K 0536: 2014, KS K 0743: 2009) for artificial turf (length 15 m, width 4 m) manufactured as described above. The results are shown in Table 1.

No. 3 is an artificial turf coated with a coating liquid by using double bubble paper containing long fibers (non-woven fabric) rather than a mesh net, No. 4 is artificial turf with a PU coating solution back coated on a base paper without mesh net Were used.

Also, the mesh net has a Warp Density of 60 +/- 2 Pick / 10 cm, a Weft Density of 24 +/- 2 Pick / 10 cm, a slope of 315 +/- 30 Denier, a weft of 1050 +/- 40 Denier ), A weight of 50 ± 5 g / sqm, and a warp and weft elongation of 10 to 35%.

No.1 and No.3 were prepared by using latex made of Styrene-Butadiene Latex 27 wt%, zinc oxide 1 wt%, calcium carbonate 40 wt%, additives 2 wt% (thickener, surfactant, dispersant) and water 30 wt% And No. 2 used polyethylene as the coating liquid.

[Table 1]

In Table 1, it can be seen that Nos. 1 and 2 according to the present invention all have excellent tensile strengths of 1,000 N or more.

Example 2

The fiber drawing strength was measured after fabricating artificial turf by tufting filament yarn on 'Dipoji forge (Geoforge + Geoforge)', 'Geoforge + Long Fiber', 'Geoforge + Mesh net' The results are shown in Table 2.

Polyethylene was used as the filler, and latex made of styrene-butadiene latex 27 wt%, zinc oxide 1 wt%, calcium carbonate 40 wt%, additives 2 wt% (thickener, surfactant, dispersant) and water 30 wt% .

In addition, the mesh net has a Warp Density of 60 +/- 2 Pick / 10 cm, a Weft Density of 24 +/- 2 Pick / 10 cm, a slope of 315 +/- 30 Denier, a weft of 1050 +/- 40 Denier ), A weight of 50 ± 5 g / sqm, and a warp and weft elongation of 10 to 35%.

[Table 2]

In Table 2, it can be seen that the bipolar fibers are used, or the twisting yarns including long fibers (nonwoven fabric) are similar to each other in drawing strength. In contrast, according to the present invention, It can be seen that the grass has significantly improved the pulling strength of the pile.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

(10): artificial turf (11)
(11a): Base paper upper surface (11b): Lower paper surface
(12): mesh net (13): grass layer
(13a): File sweat (14): Artificial turf structure
(15): Coating layer (20): Gipo paper roll
(30): Feed roller portion (31): Pin roller
(31a): support pin (31b): upper
(31c): shaft (32): upper roller
(33): lower roller (34): rotary roller
(35): support base (36): drive motor
(37): tension adjusting portion (37a): upper sprocket
(37b): lower sprocket (37c): connecting chain
(37d): fixed base (37e): shaft
(37f): tension roller (37g): upper sensing sensor
(37h): lower detection sensor (37i): dog
(37j): guide rod (38): work table
(40): mesh net roll (50): weaving
(51): shearing pin roller (52): rear stage pin roller
(51a, 52a): support pins (51b, 52b): upper
(53): rear end rotary roll (54): embossing roller
(55): guide portion (56): cylindrical support
(56a): Fixing bolt (57): Rotary cover
(57a): guide groove (58): connection support
(59): guide cover (59a): inner surface
(60): coating portion (61): dipping roller
(62): Coating water tank (70): Drying unit
(80): cooling section (81): blower
(90): winding roll

Claims (12)

A feeder feed step of feeding the feeder 11 of the paper roll 20 to the feed roller unit 30;
A mesh net supply step of supplying the mesh net 12 of the mesh net roll 40 to the supply roller unit 30;
A lamination supply step in which a mesh net 12 is closely stacked on a base paper upper surface 11a in a supply roller portion 40 and supplied to a weaving portion 50;
The artificial turf structure having the filament 11 and the grass layer 13 formed at the lower side of the hopper 11 with the filament yarn being tilted at regular intervals to the mesh net 12 and the paper feeder 11 which are closely stacked and supplied to the weaving part 50 14) < / RTI >
After the weaving step, the coating solution is applied to the base paper 11a with the mesh net 12 adhered to each other, so that the mesh net 12, the pile fabric 11, Lt; / RTI >
Drying and cooling the coating liquid after the coating step to form the artificial turf 10,
The lamination supply step is carried out such that both sides of the bulge 11 are supported by the pin roller 31 of the supply roller unit 30 and the front end pin roller 51 of the weaving unit and are supplied to the lower roller 33 And the mesh net 12 is continuously supplied and supported by the front end fin roller 51 of the weaving unit so that the mesh net 12 is closely adhered to the base upper face 11a, Wherein the mesh netting is laminated so that tensile strength and pulling force are improved.
The method of claim 1,
The supply roller portion 30 is a roller-
A pin roller 31 provided on the surface of the support base 35 so as to be rotatable on the upper end of the support base 35 so as to be positioned above the base paper roll 20,
A drive motor 36 installed on one side of the support table 35 to drive the pin roller 31,
An upper roller 32 rotatably connected to the upper end of the support so as to be spaced apart from the pin roller 31 by a predetermined distance,
A lower roller 33 rotatably connected to the lower end of the support so as to be positioned below the upper roller 32,
A tension adjusting unit 37 connected to the support 35 so as to be positioned between the pin roller 31 and the upper roller 32 to automatically adjust the tension of the paper 11,
And a rotating roller (34) installed symmetrically with the lower roller (33) and the work table (38) interposed therebetween, wherein the mesh net is laminated to improve tensile strength and pulling force.
The method of claim 1,
The pin roller 31 and the front end pin roller 51 are provided with a plurality of support pins 31a and 51a protruding from the outer surface of the cylindrical roller,
The upper ends 31b and 51b of the support pins 31a and 51b are rounded in a hemispherical shape and are in point contact with the lower surface 11b of the base paper to generate a predetermined frictional force so that the base paper 11 does not slip, Wherein the mesh net is laminated so that tensile strength and pulling force are improved.
The method of claim 2,
The tension adjuster 37 includes an upper sprocket 37a rotatably mounted on the upper portion of the support 35 so as to be positioned below the pin roller 31 and a lower sprocket 37b rotatably installed below the support 35 A connecting chain 37c connected to the lower sprocket 37b and the upper sprocket 37a and the lower sprocket 37b and a shaft 37e provided on the fixed table 37d integrally provided in the connecting chain 37c And a tension roller 37f integrally fixed and connected,
When the tufting operation is continued by the weaving portion 50 in the state where the driving of the pin roller 31 is stopped, the position of the pin roller 31 between the pin roller 31 and the top roller 32 due to the own weight of the tension roller 37f So that the tensile force of the bogie placed between the upper roller (32) and the shearing pin rollers (51) of the weaving part is kept constant by pressing the bubble paper in the downward direction. The tensile strength and pulling force Artificial turf manufacturing method.
The method of claim 1,
The mesh net 12 is made of a fabric made of polypropylene (PP) or polyethylene (PE) and has a woven fabric structure in which weft yarns having fine hairs on the surface and weft Wherein the tensile strength and the pulling force are improved.
The method of claim 5, further comprising:
Wherein the mesh net (12) comprises a warp yarn and a weft yarn, wherein the yarn is made of a yarn or a yarn of a bulk yarn of 2 to 5, and the yarns are laminated to improve tensile strength and pulling force.
The method of claim 1, 5 or 6,
In the mesh network 12,
Warp Density 60 ± 2 Pick / 10 cm, Weft Density 24 ± 2 Pick / 10 cm, Slope 315 ± 30 Denier, Weft 1050 ± 40 Denier, Weight And a warp and a warp elongation of 10 to 35%, wherein the mesh netting is laminated to improve tensile strength and pulling power.
The method of claim 1,
The weaving section is provided with the front end fin roller 51 and the rear end rotation roller 53 at the front end and the rear end, respectively, with the tuffing needle as the center,
A rear end pin roller 52 is provided below the rear end rotating roller 53,
An embossing roller 54 is provided so as to be positioned above the rear end fin roller 52,
The turf layer 13 of the artificial turf structure 14 after the tufting operation is completed is transported in contact with the rear end rotating roller 53 and the embossing roller 54 and is transported to the top surface 11a of the mesh and the mesh net 12, Is supported by the rear end pin roller (52) so as to be conveyed. The method for manufacturing artificial turf according to claim 1, wherein the mesh netting is laminated so that tensile strength and pulling force are improved.
The method according to claim 1 or 8,
It is possible to prevent foreign matter from being inserted into the base paper 11 and the mesh net 12 and to securely feed the mesh net 12 in close contact with the top surface 11a of the paper foil 11a in the tufting needle direction. A guide portion 55 is further provided,
The guide portion 55 includes a cylindrical supporter 56 disposed parallel to the shearing pin roller 51 under the shearing pin roller 51 of the weaving portion and guided by the mesh net 12 and the deflector 11, A rotary cover 57 which is installed to surround the cylindrical support 56 and in which a guide groove 57a is fitted and fixed to the fixing bolt 56a of the cylindrical support 56 and a rotary cover 57 which surrounds the front end pin roller 51 And a guide cover (59) formed integrally with the rotary cover (57) by a plurality of connection supports (58), wherein the mesh screen is laminated to improve tensile strength and pulling force.
The method of claim 1,
The coating liquid is latex or polyethylene,
The latex is composed of 25 to 27 wt% of Styrene-Butadiene Latex, 0.1 to 1 wt% of zinc oxide, 38 to 41 wt% of calcium carbonate, 0.1 to 2 wt% of additives and 29 to 35 wt%
Wherein the mesh net is composed of 21 to 23 wt% of styrene-butadiene latex, 0.1 to 1 wt% of zinc oxide, 50 to 52 wt% of calcium carbonate, 0.1 to 2 wt% of additive and 25 to 27 wt% of water, Improved artificial turf manufacturing method.
An artificial grass characterized by being manufactured by a manufacturing method according to any one of claims 1, 2, 3, 4, 5, 6, 8,
The method of claim 11,
Wherein the artificial turf has a tensile strength in both longitudinal and transverse directions of 1,000 N or more.

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