KR101819950B1 - Single-fiber nonwoven fabric and apparatus for manufacturing the same - Google Patents

Abstract

The present invention relates to an apparatus to manufacture single-fiber nonwoven fabric and, more specifically, to a single-fiber nonwoven fabric manufacturing apparatus which greatly improves tensile strength and tear strength of nonwoven fabric by manufacturing the single-fiber nonwoven fabric of a lip shape by giving appropriate adhesive force as a needle punch method by alternately arranging in a net shape like weaving warp and weft formed with fiber yarn between two single-fiber nonwoven fabrics manufactured in a separate process. The present invention comprises: a first material supply unit (10) which continuously supplies first nonwoven fabric (1) manufactured in a separate process with single fiber; a second material supply unit (20) which continuously supplies second nonwoven fabric (2) manufactured in a separate process with single fiber to form a shape in which the second nonwoven fabric (2) is overlapped with the first nonwoven fabric (1) to be in contact with each other; a warp supply unit (30) which supplies a plurality of warp (3) side by side along a longitudinal direction between the first and second nonwoven fabrics (1, 2) through an upper surface of the first nonwoven fabric (1); a weft supply unit (40) which supplies a plurality of weft (4) along a lateral direction to an upper surface of the supplied weft (3); a transfer unit (50) which incorporates the warp yarn (3) and the weft yarn (4) in a net shape between the first and second nonwoven fabrics (1, 2) and transfers the same to a needle punching device through a transfer conveyer (51) and front and rear guide rollers (52, 53); and a needle punching unit (60) which enables single-fiber nonwoven fabric of a lip shape to be manufactured by punching nonwoven fabric transferred by the transfer unit (50) with a needle.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a single-fiber nonwoven fabric,

The present invention relates to a monofilament nonwoven fabric and an apparatus for producing the monofilament nonwoven fabric, and more particularly, to a monofilament nonwoven fabric and an apparatus for producing the monofilament nonwoven fabric, The present invention relates to a monofilament nonwoven fabric, and more particularly, to a monofilament nonwoven fabric and an apparatus for producing the monofilament nonwoven fabric.

In general, nonwoven fabric refers to fibers made of natural fibers, chemical fibers, synthetic fibers, etc., which are made of a thin web, and are tangled, glued or thermally fused with the fibers in the web state. It is widely used for various industrial fields such as industrial materials, civil engineering construction, agriculture, etc. as a soundproofing material, a heat insulating material, a filter material, a trim material and the like as well as various clothes. It is getting wider.

The types of nonwoven fabric can be classified into single-spun nonwoven fabrics manufactured by carding monofilaments and needle punching processes, and long-fiber nonwoven fabrics produced by spunbond or spun lace process .

Among these nonwoven fabrics, there are needle punch method and spun lace method according to a method of imparting entanglement in the method of producing a single-fiber nonwoven fabric. Needle punching method is a method in which a needle made of steel, The fibers are entangled with the protrusions on the surface of the needle to produce a nonwoven fabric.

The nonwoven fabric thus produced is generally called a needle punch nonwoven fabric. Since the needle punch nonwoven fabric has a simple manufacturing process and an advantage that it can be easily manufactured, it is widely used today, but since the steel needle is used, And the process continuity is poor due to the deterioration of the physical properties and the generation of dust. Further, it is also difficult to produce a lightweight product due to the characteristics of the needle punching method.

On the other hand, the spun lace method is superior to the needle punch method in physical properties of a product to be manufactured, and the surface touch of the product is much more flexible, which is advantageous for manufacturing a high quality nonwoven fabric and there is no risk of dust generation during the manufacturing process. Although it has excellent characteristics in terms of productivity, the manufacturing process is complicated, and the manufacturing process is difficult and difficult.

As described above, the manufacturing method of the nonwoven fabric is divided into the short fiber method and the long fiber method, and various methods are presented according to the detailed process. Due to the inherent characteristics of the nonwoven fabric itself, However, a common problem is that the tensile strength and the tear strength of the nonwoven fabric produced by the short fibers are significantly lower than those of the nonwoven fabric.

In recent years, as the use range of nonwoven fabric gradually increases in various fields, the demand for nonwoven fabric having superior strength and excellent tensile strength and tearing strength has been increasing gradually, however, There has been a limit in meeting the demand for fiber nonwovens.

Particularly, the monofilament nonwoven fabric mainly used in civil engineering and construction roads is not only inexpensive, but also easy to manufacture, and unlike the nonwoven fabric of long fibers, since it has soft and flexible characteristics, it is widely used in various construction sites. However, There was a fatal problem that the tear strength was weak.

Due to these properties, it is not easy to produce a high-tonnage nonwoven fabric, for example, a nonwoven fabric having a high tonnage is required in the field of civil engineering, but the thickness of the nonwoven fabric can not be made more than 5t. And it was easily caused to be twisted or stretched.

On the other hand, Korean Patent Registration No. 10-1631430 is a conventionally proposed patent relating to the above-mentioned short-fiber nonwoven fabric.

The present invention provides a nonwoven fabric manufacturing apparatus capable of increasing the width of a final nonwoven fabric to be larger than a width of a web, and further improving the strength by stacking nonwoven fabrics in multiple layers.

The structure according to the present invention comprises a first card unit for manufacturing short fibers in the form of a first web in the form of a thin paper, a first conveyor provided for conveying the first web, and a second conveyor arranged in a direction orthogonal to the first card unit, A second conveyor provided so as to convey the second web supplied from the second card machine, and a second web conveying unit for conveying the first and second webs supplied from the first and second conveyors while stacking And a third conveyor installed to the second conveyor.

In the above structure, the first nonwoven fabric fed from the third conveyor is supplied and laminated to have a width greater than the width of the first and second webs, and the second nonwoven fabric laminated on the laminate is conveyed to the pressing roller And a fourth conveyor for feeding the first conveyor in the direction of the needle punching machine.

However, the above-mentioned prior art patent has a structure in which the width of the finally produced nonwoven fabric can be made larger than the width of the web and the strength of the nonwoven fabric is improved by stacking the nonwoven fabric in multiple layers, There is a part which is insufficient to improve the tensile strength and tear strength, and furthermore, not only the thickness is increased due to the lamination of several layers but also the material is consumed as much.

The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to provide a nonwoven fabric which has a double- So as to produce an integral type short-staple fiber nonwoven fabric.

Particularly, the present invention can significantly improve the tensile strength and tearing strength of the short-fiber nonwoven fabric, thereby enabling the thickness of the nonwoven fabric to be made relatively thin. The present invention can be applied to a variety of applications at civil engineering sites and construction sites. In order to provide a single-fiber nonwoven fabric.

It is still another object of the present invention to provide an apparatus for manufacturing a monofilament nonwoven fabric which can be mass produced and manufactured at a reduced cost by automatically and continuously producing the monolithic nonwoven fabric as described above have.

In order to achieve the above object, the present invention is achieved by providing a new single-fiber nonwoven fabric, wherein the single-fiber nonwoven fabric of the present invention is produced by weaving woven warp and weft between two double- Shaped needle-punched nonwoven fabric by punching a needle punching machine.

That is, the present invention includes two types of manufacturing apparatuses. First, the nonwoven fabrics manufactured by separate manufacturing processes are formed in a double layer structure. After the warps and wefts are arranged in a net shape therebetween, And a manufacturing apparatus including a manufacturing apparatus for punching a needle as a punching machine, and a manufacturing apparatus for arranging warps and wefts in upper and lower portions in a process of manufacturing a nonwoven fabric, respectively, and then punching the needle as a needle punching machine.

The production apparatus for producing the monofilament nonwoven fabric of the present invention comprises a first material supply unit for supplying a first nonwoven fabric made of short fibers in a separate process and a second material supply unit for supplying a second nonwoven fabric produced in another process A warp supply unit for supplying a plurality of warp yarns to the upper surface of the first nonwoven fabric in a state of placing a plurality of warp yarns along a traveling direction, and a weft supply unit for stitching the weft yarns in a zigzag manner along the horizontal direction on the upper surface of the warp yarn A weft supply unit, a transfer unit for inserting warp and weft yarns between the first and second nonwoven fabrics in a net form and transferring the weft yarn to a needle punching machine, and a material punched from the transfer unit to be needle punched into a short- And a needle punching unit for punching the needle.

Another type of nonwoven fabric manufacturing apparatus includes a card machine for opening a short fiber and storing it in a reserve tank, appropriately spreading the short fibers to be fed and fabricating a web in the form of a thin paper, A conveyor for conveying the web as a conveyor belt, a stacker for stacking a plurality of layers so as to have a thickness required for the web to be conveyed, an inclined feeder for feeding a slope to the bottom of the web passing through the stacker, And a needle punching unit for making a web having warps and wefts appropriately arranged on the upper and lower sides by needle punching to produce a ribbed short-fiber nonwoven fabric.

In the present invention, two double-stitched short-fiber nonwoven fabrics manufactured in separate previous processes are supplied so as to be superimposed on each other, and a warp and a weft are supplied in a net shape between them, and needle punching is performed thereon as a needle punching machine. So that the tensile strength as well as the tearing strength are significantly improved as compared with the conventional single-fiber nonwoven fabric.

In addition, the present invention can be applied to a production line for producing a nonwoven fabric, that is, in a production line of a nonwoven fabric manufactured by a method as usual, a laminate in which a web produced in the form of a thin paper is laminated into a plurality of layers, The warp yarns and the weft yarns are supplied in the form of a net, and needle punching is performed thereon as a needle punching machine to produce a lip-like nonwoven fabric. Thus, .

As the tensile strength and tear strength are improved, the thickness of the nonwoven fabric can be made relatively thin, thereby reducing the cost, and it is possible to obtain a low-weight nonwoven fabric. It is possible to provide a nonwoven fabric having a sufficient tensile strength and tear strength according to requirements when a high-tonnage nonwoven fabric is required at a construction site.

Furthermore, the present invention completely eliminates the weak tensile strength and tear strength of the conventional single-fiber nonwoven fabric, thereby providing an excellent effect of replacing the long-fiber nonwoven fabric and various advantages in various industrial fields It is to have.

In addition, the present invention can produce continuous short-ribbed nonwoven fabrics using the automatic and mechanical production apparatus, thereby producing various types of short-staple nonwoven fabrics.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic diagram illustrating the overall structure of the present invention.
Figure 2 is a plan view of the inventive Figure 2
3 is an enlarged view of a part of the present invention Fig. 1
4 is an enlarged view of another portion of the present invention Fig. 1
Figure 5 is a partial perspective view of the weft supply of the present invention.
Figure 6 is a perspective view of another embodiment of the present invention,
Figure 7 is a partial plan view showing the tilting supply of the present invention.
8 is a perspective view showing only a main part of the weft supply part of the present invention.
9 is a partial plan view showing the weft supply unit of the present invention.
Fig. 10 is a block diagram showing the essential part in Fig. 9 of the present invention
11 is a diagram showing an operation state of the weft supply unit according to the present invention
12 is an exploded perspective view of the structure of the short-
13 is a diagram showing another embodiment of the present invention
Fig. 14 is a schematic configuration diagram of Fig. 13
15 is a partially enlarged view of Fig. 14
Fig. 16 is a diagram showing the configuration of the lamination device in Fig. 14
Fig. 17 is a perspective view showing the main part of Fig.
Fig. 18 is an explanatory diagram of a nonwoven fabric manufactured by the embodiment of Fig. 13

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 to 4 of the accompanying drawings are views showing the overall configuration of the present invention, and FIGS. 5 and 6 are views showing a main part of the present invention, and FIGS. 7 to 11 are views showing a detailed configuration of the present invention FIG. 12 is a view showing the single-fiber nonwoven fabric of the present invention, and FIG. 13 is a view showing another embodiment of the present invention.

As shown in the drawings, the present invention is characterized in that warp yarns 3 and weft yarns 4 made of fiber yarns are arranged between a pair of wefts of first and second nonwoven fabrics 1 and 2, So as to have a new type of ribbed short-fiber nonwoven fabric.

The apparatus for producing a single-fiber nonwoven fabric includes a first material supply unit 10 for supplying a first nonwoven fabric 1 of a single-fiber nonwoven fabric manufactured in a separate process, a second nonwoven fabric 2 manufactured in a separate process, A slope feeder 30 for feeding a plurality of slopes 3 in a state in which the slopes 3 are mounted on the upper surface of the first nonwoven fabric 1 in the traveling direction, A weft supplying section 40 for placing the weft yarns 4 in a staggered manner along the horizontal direction on the upper surface of the warp yarn 3 supplied together with the warp yarns 3 and the warp yarns 4 between the first and second nonwoven fabrics 1, And the weft yarns 4 are transferred to a needle punching machine in the form of a net, and a needle 50 for punching the nonwoven fabric conveyed by the conveying unit 50 to produce a lap- And a punching unit 60.

The first material supply unit 10 and the second material supply unit 20 are supplied to the needle punching unit 50 at the same time in different directions, .

That is, the first and second nonwoven fabrics 1 and 2, which have been manufactured in the same manner as in the conventional manner, are set in a manner such that they are wound on separate rollers, brackets, and the like to be conveyed toward the conveying conveyor 51 of the conveying unit 50 The first nonwoven fabric 1 of the first material supplying portion 10 is fed toward the conveying conveyor 51 from the lower portion of the first material supplying portion 10 while the first nonwoven fabric 1 of the second material supplying portion 20 is fed 2 The nonwoven fabric 2 is configured to be fed from above the conveying conveyor 51.

It is preferable that the first and second nonwoven fabrics 1 and 2 are provided to have a thickness of half the thickness of the nonwoven fabric to be finally produced and they are provided while passing through the conveying conveyor 51 of the conveying section 50 And are supplied to the needle punching unit 60 while being stacked in two layers so as to face each other.

A plurality of warp yarns 3 are arranged side by side along the width direction between the first and second nonwoven fabrics 1 and 2 supplied as described above, Is supplied to the upper surface of the first nonwoven fabric 1.

That is, the warp supply unit 30 includes a plurality of threads 31 wound with a predetermined amount of a warp yarn 3 made of synthetic resin fiber yarn and a tension member 3 for holding the tension of the warp yarns 3 supplied from the yarn yarn 31. [ And a guide ring 34 for guiding the warp yarn 3 safely is provided at the front end of the tension barrel 32. The brackets 33 and 32 are provided in parallel to each other.

At this time, the thread 31, the tension ring 32 and the guide ring 34 are for supplying a plurality of strands 3 at the same time, and a number of the threads 33 are arranged on the bracket 33 at regular intervals The inclined yarn 3 supplied in this way is appropriately resiliently supported by the spring of the tension ring 32 and guided by the guide ring 34 A smooth supply will be achieved.

Here, the tension ball 32 has a known structure and has a function of allowing the supplied yarn to be supplied while maintaining proper elasticity by the elastic force of the spring to be installed.

The weft supplying section 40 is for supplying the weft yarn 4 in a direction perpendicular to the warp yarns 3 supplied by the warp yarn supplying section 30 and is arranged in a staggered manner along the width direction So that warp and weft yarns are formed in a mesh form as if they were woven on the mat.

The weft supply part 40 is provided with a plurality of thread 41 on which the weft yarns 4 are wound and a tension sphere 42 for holding the weights in parallel by brackets 43, 4 in a staggered manner.

The supplying means includes an operating slider 45 having a guide ring 44 for guiding the weft yarn 4 safely, a screw 46 for causing the operating slider 45 to be reciprocated in the width direction, A motor 47 for rotating the screw 46 in a forward and reverse direction, and the like.

At this time, the guide ring 44 can be formed in a large number so as to supply the weft yarn 4 supplied from the thread 41 to a plurality of strands, and the weft yarns 4 are fed in a staggered manner along the width direction. Means is configured such that the operating slider 45 can be reciprocated while being guided by the guide rod 47 by a screw 46 which is rotated forward and backward by the rotational power of the motor 48. [

However, this configuration is only one embodiment. In another embodiment, the motor and the operating slider are integrally provided in the screw, so that the power can be supplied to the screw and the air cylinder can be reciprocally operated. A known hydraulic cylinder method using oil pressure, and various known types of known structures.

The weft yarn 4 may be fed from the guide ring 44 at a time, but this may also be supplied to one or more strands as an example, and the rotational power of the motor 48 may be supplied to the screw 46 The speed can be controlled differently depending on the timing belt, the chain, and the like.

Therefore, a known configuration for reciprocally operating the guide ring 44 along the width direction, that is, a configuration according to the feed means of the weft yarn may be any one as long as the same effect can be expected even if any conventionally known configuration is applied.

The transfer unit 50 for supplying the first and second nonwoven fabrics 1 and 2 and the warp yarns 3 and the weft yarn 4 to the needle punching unit 60 is driven in an endless track manner Forward conveying rollers 52 and 53 which are provided before and after the conveying conveyor 51, respectively.

The conveying conveyor 51 includes a first nonwoven fabric 1 which is driven on an endless track by receiving power from a motor (not shown) and is seated on the upper surface thereof, and an inclined yarn 3 supplied to the upper surface of the first nonwoven fabric 1, And the rear guide roller 53 is provided with a function to supply the second nonwoven fabric 2 and the weft yarn 4 supplied to the needle punching unit 60 while being driven by another power source .

The needle punching unit 60 is a needle punching machine as in the prior art. The first and second nonwoven fabrics 1 and 2 continuously supplied through the needle punching unit 61 are needle-punched to form irregular tangles in the nonwoven fabric. The nonwoven fabric according to the present invention can be produced in the form of a rib-like nonwoven fabric as required in the invention, and its structure has a known structure.

Therefore, in the present invention having the above-described structure, first, the first and second nonwoven fabrics (1) and (2), which have been manufactured by a conventional method, are rolled up into a roll form, , So that they can be supplied at different positions.

The first nonwoven fabric 1 of the first material supplying unit 10 is conveyed to the needle punching unit 50 while maintaining proper tension by the front and rear guide rollers 52 and 53 and the conveying conveyor 51 of the conveying unit 50. [ The second nonwoven fabric 2 of the second material supply unit 20 is guided by the rear guide rollers 53 at the upper portion of the needle punching unit 60 of the needle punching unit 60, (61).

At the same time, in the warp feeder 30, a plurality of warp yarns 3 are guided by the guide ring 34 and are guided by the front and rear guide rollers 52 and 53 and the conveying conveyor 51, And is continuously supplied.

At this time, the warp yarns 3 are arranged in parallel along the width direction from the top of the first nonwoven fabric 1 at regular intervals and are fed at a time. These warp yarns 3 are wound on the respective threads 31, (32) and the guide ring (34) while maintaining proper tension.

Further, between the first and second nonwoven fabrics 1 and 2, a weft yarn 4 is fed in a traverse direction following the warp yarns 3.

In the weft supply section 40, a plurality of weft yarns 4 are supplied in the lateral direction by the guide ring 44, that is, in a forward and reverse rotation operation of the screw 46 by the rotational power of the motor 48 The guide slider 45 reciprocates while being guided by the guide rod 47 so that the guide ring 44 provided on the operation slider 45 reciprocates to move the plurality of weft yarns 4 in the lateral direction .

At the same time, the weft yarn 4 is tensioned by the transfer force of the first nonwoven fabric 1 and the warp yarn 3 fed from the conveying conveyor 51, together with the tensile force corresponding to the rotational power of the rear guide roller 53 .

At this time, the weft supply unit 40 is set so that the operation slider 45 is operated to reciprocate by the control unit (not shown) so that the guide ring 44 provided thereon feeds the weft yarn 4 back and forth to the upper surface of the warp yarns 3 At this time, the conveying conveyor 51 is simultaneously operated so that it is conveyed to the needle punching unit 61 of the needle punching unit 60 while maintaining the zigzag shape in practice.

The first and second nonwoven fabrics 1 and 2 to be laminated and fed in the needle punching unit 61 of the needle punching unit 60 and the weft yarn 3 and the weft yarn 4 supplied while maintaining the net shape, Punched to produce a new type of lap-type short-fiber nonwoven fabric.

That is, the needle punching device 61 provides a stroke effect of the needle in the vertical, oblique direction, or both directions with respect to the surface of the supplied web, so that the first and second The warp yarns and the weft yarns are arranged in a net shape between the two nonwoven fabrics to give a sufficient strength required.

13 of the present invention shows another embodiment of the present invention in detail.

Unlike the previous embodiments, the present invention is applied to a known production line for producing a single-fiber nonwoven fabric. That is, a web W thinly formed in the form of paper during the process of manufacturing the nonwoven fabric is divided into a plurality of layers The warp yarn 3 and the weft yarn 4 are supplied in a net shape through the warp feed part 30 and the weft supply part 40 in the process of laminating the warp yarns 3 and the weft yarns 4 to the weft yarns.

As shown schematically in the manufacturing line 70 in Fig. 13 of the accompanying drawings, the process of manufacturing a conventional known single-fiber nonwoven fabric to which the embodiment of the present invention is applied is to open the short fibers and store them in the reserve tank 71 And then supplied to the card machine 72. In the card machine 72, the supplied short fibers are opened and aligned in a predetermined direction so as to be formed into a thin paper web W.

The formed web W is conveyed to a stacker 74 by a conveyor belt 73 constituted by a conveyor belt and the web W fed in the stacker 74 is conveyed to the left, The web W stacked in a plurality of layers is conveyed in a direction perpendicular to the conveying belt 76 by another conveying conveyor belt 76, Is needle-punched by a needle punching machine (61) of the punching section (60), and then transferred to the next step.

Therefore, in the production line 70 as described above, between the stacking machine 74 and the needle punching machine 61 of the needle punching unit 60, there are provided a warp feeder 30 and a weft feeder 30 on the bottom and top surfaces of the web W, The warp yarns 3 and the weft yarns 4 are supplied to the needle punching unit 60 of the needle punching unit 60 and needle punching is performed by the needle punching unit 61 of the needle punching unit 60 to thereby produce the ribbed short-

That is, as shown in the above embodiment, the warp feeder 30 includes a plurality of threads 31 wound with a predetermined amount of warp yarns 3 made of synthetic resin fiber yarn and warp yarns 3 supplied from the yarn yarns 31 And a guide ring 34 for guiding the warp yarn 3 safely is provided at the front end of the tension barrel 32. The guide ring 34 is provided at the front end of the tension barrel 32, Respectively.

Therefore, the warp yarns 3 are fed at the same time to the bottom surface of the web W stacked in the stacker, and needle punching is integrally performed in the next step, the needle punching machine 61.

The weft supply unit 40 supplies the weft yarn 4 in a direction perpendicular to the supplied warp yarns 3 and is fed in a zigzag manner along the width direction above the supplied warp yarns 3 so that warp and weft yarns And is configured to have a net shape as if the mat is woven.

The weft supply part 40 is provided with a plurality of thread 41 on which the weft yarns 4 are wound and a tension sphere 42 for holding the weights in parallel by brackets 43, 4, which is provided with an operation slider 45 provided with a guide ring 44 for securely guiding the weft yarn 4, and the operation slider 45 is fastened A screw 46 and a guide rod 47 for reciprocating operation along the width direction, and a motor 48 for actuating the screw 46 in the forward and reverse directions.

The guide ring 44 reciprocates while being guided by the guide rod 47 by the screw 46 which is rotated forward and backward by the rotational power of the motor 48 so that the guide ring 44 is supplied from the thread 41 The weft yarns 4 are supplied in a zigzag manner along the width direction.

The weft yarns 4 supplied in this way are supplied to the upper surface of the web W which is stacked in a plurality of layers and are needle-punched together with the web W in the needle punching unit 61 of the next- Thereby producing the short-fiber nonwoven fabric required in the invention.

1: first nonwoven fabric 2: second nonwoven fabric
3: Slope 4: Weft
10: first material supply unit 20: second material supply unit
30: slant supply part 31, 41:
32,42: Tension hole 33,43: Bracket
34, 44: guide ring 40: weft supply part
45: Operation slider 46: Screw
47: Guide rod 48: Motor
50: conveying section 51: conveying conveyor
52: front guide roller 53: rear guide roller
60: Needle punching unit 61: Needle punching machine
70: Manufacturing line 71: Reservoir tank
72: card machine 73: conveyor
74: Lamination machine 75: Laminated conveyor belt
76,77: Feed conveyor belt

Claims (7)

delete A first material supply unit (10) for continuously supplying the first nonwoven fabric (1) produced by a separate process to the short fibers;
A second material supply unit (20) for continuously feeding the second nonwoven fabric (2) produced by a separate process so as to form a continuous form so as to be in contact with the first nonwoven fabric (1);
A warp feeder 30 for feeding a plurality of warp yarns 3 along the longitudinal direction between the first and second nonwoven fabrics 1 and 2 through an upper surface of the first nonwoven fabric 1;
A weft supply unit 40 for supplying a plurality of weft yarns 4 along the horizontal direction to the upper surface of the supplied warp yarns 3;
The first and second nonwoven fabrics 1 and 2 are sandwiched between the warp yarns 3 and the weft yarn 4 to form a net conveyor 51 and front and rear guide rollers 52 and 53, A conveying unit 50 for conveying the sheet to a punching machine;
And a needle punching unit (60) for producing a short monofilament nonwoven fabric by needle punching the nonwoven fabric conveyed by the conveying unit (50)
The warp feeder 30 includes a plurality of threads 31 wound with a predetermined amount of a warp yarn 3 made of synthetic resin fiber yarn and a plurality of warp yarns 31 provided to maintain the tension of the warp yarns 3 supplied from the respective threads 31 A tension ring 32 and a plurality of guide rings 34 for guiding and guiding the warp 3 safely,
The weft supply part 40 is provided with a plurality of threads 41 on which the weft yarns 4 are wound and tensioning needles 42 for holding the weights in parallel by the brackets 43, And the supplying means includes an operating slider 45 provided with a guide ring 44 for guiding the weft yarn 4 safely and an operating slider 45 having the operating slider 45 fastened thereto in the width direction A screw 46 and a guide rod 47 for reciprocating the screw 46 and a motor 48 for driving the screw 46 in the forward and reverse directions,
Wherein the feed means of the weft supply unit (40) is configured to reciprocate the guide ring by an air cylinder method using pneumatic pressure.
A reservoir tank 71 for opening and storing short fibers, a card machine 72 for forming a thin paper web W, a conveyor 73 made of a conveyor belt for the formed web W, And a web punching unit (61) for punching the web by a needle punching machine (61), the apparatus comprising:
A slant feeding part 30 for feeding a plurality of slopes 3 from one side rear surface of the stacker 74 to the upper surface of the conveying conveyor belts 76 and continuously feeding them in parallel;
And a weft supply unit 40 for continuously supplying a plurality of weft yarns 4 along the lateral direction to the upper surface of the web W stacked in the plurality of layers and fed to the upper and lower surfaces of the web W, 3 and the weft yarns 4 are integrally formed by needle punching,
The warp feeder 30 includes a plurality of threads 31 wound with a predetermined amount of a warp yarn 3 made of synthetic resin fiber yarn and a plurality of warp yarns 31 provided to maintain the tension of the warp yarns 3 supplied from the respective threads 31 A tension ring 32 and a plurality of guide rings 34 for guiding and guiding the warp 3 safely,
The weft supply part 40 is provided with a plurality of threads 41 on which the weft yarns 4 are wound and tensioning needles 42 for holding the weights in parallel by the brackets 43, And the supplying means includes an operating slider 45 provided with a guide ring 44 for guiding the weft yarn 4 safely and an operating slider 45 having the operating slider 45 fastened thereto in the width direction A screw 46 and a guide rod 47 for reciprocating the screw 46 and a motor 48 for driving the screw 46 in the forward and reverse directions,
Wherein the feed means of the weft supply section (40) is configured to reciprocate the guide ring by an air cylinder method using pneumatic pressure. delete delete delete delete

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