KR101132569B1 - the perforation machine of non-woven fabric using compressed air and the non-woven fabric by manufactured thereof and the non-woven fabric therewith - Google Patents

Abstract

The present invention relates to a device for manufacturing a perforated nonwoven fabric using air, a method for manufacturing a perforated nonwoven fabric to which the apparatus is applied, and a perforated nonwoven fabric manufactured by the method for manufacturing the perforated nonwoven fabric. Consists of a drum (10) consisting of a plurality of at regular intervals, and constitute an inner pipe (21) passing through the drum 10, the manifold (22) is connected to the inner pipe (21), The folder 22 comprises a plurality of internal nozzles 23, the drum 10 is rotated at a constant speed by the motor 30, and the compressed air to the internal pipe 21 through the air compressor (50) A device for manufacturing a punched nonwoven fabric having a structure to be supplied is provided, and the web 100 sequentially passed through an opening machine and a carding machine in the process of manufacturing the punched nonwoven fabric by applying the punched nonwoven fabric manufacturing apparatus to the lower portion of the drum 10. Move, but inside At the moment when the nozzle 23 and the outer nozzle 11 coincide, the compressed air passes through the web 100 to form a punched hole 101, and the punched web 100 'is a conventional web bonding method. By combining the perforated nonwoven fabric, the perforated nonwoven fabric produced by the manufacturing apparatus and the process to have a uniform physical properties, as well as the production of a low weight perforated nonwoven fabric, as well as to produce a perforated nonwoven fabric of a heavy weight perforated nonwoven fabric You can get it.

 Nonwoven, Perforated, Web Bonded, Carding, Hot Air, Compressed Air, Pneumatic, Nozzle, Drum

Description

Apparatus for manufacturing perforated nonwoven fabric using air, and method for manufacturing perforated nonwoven fabric using the apparatus and perforated nonwoven fabric manufactured by the manufacturing method of the perforation machine of non-woven fabric using compressed air and the non-woven fabric by manufactured and the non-woven fabric therewith}

The present invention relates to a device for manufacturing a perforated nonwoven fabric using air, a method for manufacturing a perforated nonwoven fabric to which the manufacturing apparatus is applied, and a perforated nonwoven fabric manufactured by the method for manufacturing the perforated nonwoven fabric. Composed of a plurality of drums to form an inner pipe passing through the drum, the manifold is connected to the inner pipe, and then constitute a plurality of inner nozzles, the drum at a constant speed by the motor It consists of a perforated nonwoven fabric manufacturing apparatus which rotates and supplies compressed air to the internal pipe through the air compressor, and applies the perforated nonwoven fabric manufacturing apparatus to pass the opening machine and the carding machine one by one in the process of manufacturing the perforated nonwoven fabric. Move a web to the lower part of the drum, and at the moment when the inner nozzle and the outer nozzle coincide, the compressed air The hole is formed while passing through the web, and the perforated web is bonded by a conventional web bonding method to produce the perforated nonwoven fabric, so that the perforated nonwoven fabric produced by the manufacturing apparatus and the process has uniform physical properties and has a low weight. In addition to the production of perforated nonwoven fabrics, perforated nonwoven fabrics with uniform physical properties can be obtained not only in the manufacture of heavy weight perforated nonwoven fabrics.

In general, nonwoven fabrics are arranged in parallel or in an opposite direction without going through a woven fabric process, and are made in a felt shape by combining with thermal, mechanical and synthetic resin adhesives. The raw materials include polyester, polypropylene, rayon, Various fibers such as polyethylene are used, and such nonwoven fabrics have a very high moisture content, are light, warm, breathable, and breathable, and are suitable for disposable absorbent articles such as diapers, sanitary napkins, and disposable clothing such as simple clothes, lab clothes, and surgical clothes. It is used.

Furthermore, in the case of the nonwoven fabric used in the disposable absorbent article, the punching device is used to make fine holes, and the effect is increased. In this case, the punching device of the general nonwoven fabric used is a cylindrical roller placed up and down. And, while interlocking with each other, a needle roller and a counter roller coated with a rubber coated on the outside of the plurality of conical pins formed at regular intervals along the circumferential direction, respectively, up and down, while heating each of the rollers, The nonwoven fabric is supplied, and has a structure to make a hole in the nonwoven fabric.

In addition, as an example of the punching device of the nonwoven fabric, in Korean Patent Registration No. 0775510, a pin protruding from the punching roll is formed, the pin is narrowed toward the end, the cross section of the elliptical shape, the punching roll And a counter roll that is engaged with and rotated in a predetermined interval along a circumferential direction along a circumference of a groove formed at a predetermined interval along a longitudinal direction, and a preheated nonwoven fabric is inserted into the elliptical shape between the punching roll and the counter roll. An invention for producing a perforated nonwoven is disclosed.

However, in the general punching device of the nonwoven fabric, the shape of the pin of the needle roller forms a conical shape, and when the speed at which the nonwoven fabric is input or drawn out becomes a certain speed or more, the shape of the hole to be drilled does not become a smooth oval shape. The shape of the perforated hole is to maintain the three-dimensional shape that protrudes in the direction in which the pin penetrates, such as the shape of the pin, but the three-dimensional shape by the rubber coating of the upper and lower counter rollers. Not only is it difficult to maintain, there is a problem that it is difficult to match the state of the non-woven fabric is properly softened by the needle roller and the counter roller heated up and down.

In addition, since the rubber coating of the counter roller of the punching device is damaged by the pins in contact with it, there is a problem that requires management due to frequent replacement, low productivity, the primary nonwoven fabric for forming the web on the initial nonwoven fabric When the heating and the secondary heat is further applied, the manufactured nonwoven fabric is stiff and the physical properties change, so that it is difficult to obtain a nonwoven fabric having uniform and excellent physical properties.

Furthermore, when the nonwoven fabric is drilled using a punching device such as the above-described registered patent, the hole formation degree is excellent when the nonwoven fabric is light in weight, but the hole formation degree is lowered when the nonwoven fabric is at a high weight of about 50 g / m 2. There was a problem.

Therefore, in order to solve the above problems, the present invention constitutes a drum consisting of a plurality of outer nozzles penetrating the hollow inner and outer circumferential surfaces at regular intervals, and constitutes an inner pipe passing through the drum. After connecting the manifold, it constitutes a plurality of internal nozzles, and the drum rotates at a constant speed by a motor, and constitutes a manufacturing apparatus of perforated nonwoven fabric having a structure for supplying compressed air to the internal pipe through an air compressor. In the process of manufacturing the punched nonwoven fabric by applying the punched nonwoven fabric manufacturing apparatus, the web passing through the opening machine and the carding machine sequentially moves to the lower part of the drum, the inner nozzle connected to the inner pipe inside the drum and the outer nozzle of the drum At this moment of coincidence, the compressed air passes through a web moving down the drum to form a hole (hole). Since the web is bonded by a conventional web bonding method to produce a perforated nonwoven fabric, the perforated nonwoven fabric produced by the manufacturing apparatus and manufacturing process of the perforated nonwoven fabric has uniform physical properties, and a low weight perforated nonwoven fabric, as well as high weight Perforated nonwovens can also be obtained.

In addition, between the inner pipe and the inner nozzle provided in the drum is connected by a manifold, the punching partition wall formed with a plurality of punching holes (punching holes) in the vertical direction in which the compressed air moves in the manifold inner space is integrally formed The compressed air supplied to the inner pipe is passed through the punching hole and then supplied to the inner nozzle at a uniform pressure.

In addition, the inner pipe provided in the drum and the drum accommodating the inner pipe are configured to move in the vertical and horizontal directions, thereby making it easy to adjust the position of the inner nozzle and the outer nozzle.

As described above, the present invention constitutes a drum consisting of a plurality of external nozzles penetrating the hollow inner and outer peripheral surfaces at regular intervals, and constitutes an inner pipe passing through the drum, and a manifold is connected to the inner pipe. Next, a plurality of inner nozzles are configured, and the drum rotates at a constant speed by a motor, and constitutes an apparatus for manufacturing a punched nonwoven fabric having a structure for supplying compressed air to the inner pipe through an air compressor, and manufacturing the punched nonwoven fabric. In the process of manufacturing the perforated nonwoven fabric by applying the device to move the web through the opening and carding machine in order to the lower part of the drum, the inner nozzle connected to the inner pipe inside the drum and the outer nozzle of the drum coincide Compressed air passes through the web moving below the drum to form a hole (perforation hole), the perforated web is a conventional web coupling As the perforated nonwoven fabric is manufactured by combining the perforated nonwoven fabric, the perforated nonwoven fabric produced by the manufacturing apparatus and manufacturing process of the perforated nonwoven fabric has uniform physical properties, and a low weight perforated nonwoven fabric as well as a high weight perforated nonwoven fabric can be obtained. Effect can be achieved.

In addition, between the inner pipe and the inner nozzle provided in the drum is connected by a manifold, the punching partition wall formed with a plurality of punching holes (punching holes) in the vertical direction in which the compressed air moves in the manifold inner space is integrally formed Since the compressed air supplied to the inner pipe passes through the punching hole, the compressed air is supplied to the inner nozzle at a uniform pressure.

In addition, the inner pipe provided in the drum and the drum accommodating the inner pipe are configured to move in the vertical and horizontal directions, thereby making it easy to adjust the position of the inner nozzle and the outer nozzle.

The present invention relates to a device for manufacturing a perforated nonwoven fabric using air, a method for manufacturing a perforated nonwoven fabric to which the manufacturing apparatus is applied, and a perforated nonwoven fabric manufactured by the method for manufacturing the perforated nonwoven fabric. A plurality of drums are configured, and an inner pipe passing through the drum is connected, and a manifold is connected to the inner pipe, and then a plurality of inner nozzles are formed in the manifold, and the drum is formed by a motor. After forming a punched nonwoven fabric having a structure which rotates at a constant speed and supplies compressed air to the inner pipe through an air compressor, the opening machine and the carding machine are applied in the process of manufacturing the punched nonwoven fabric by applying the punched nonwoven fabric manufacturing apparatus. In order to move the web sequentially passed through the lower drum, the inner furnace connected to the inner pipe inside the drum At the moment when the bladder and the outer nozzle of the drum coincide, the compressed air passes through the web moving to the lower part of the drum to form a punched hole, and the punched web is joined by a conventional web bonding method to produce a punched nonwoven fabric, The perforated nonwoven fabric produced by the manufacturing apparatus and process of the perforated nonwoven fabric has uniform physical properties, and it is possible to obtain a perforated nonwoven fabric with uniform physical properties even in the manufacture of a heavy weight perforated nonwoven fabric as well as the production of a perforated nonwoven fabric of a high weight.

The apparatus for manufacturing a punched nonwoven fabric according to the present invention is roughly divided into a drum part, a support part, and an air supply part, and the apparatus for manufacturing a punched nonwoven fabric is provided after the opening machine and the carding machine and is next to the apparatus for manufacturing the punched nonwoven fabric. The web coupler is installed in order to produce a perforated nonwoven fabric having holes (holes). First, a manufacturing apparatus of a perforated nonwoven fabric for producing a perforated nonwoven fabric having holes is as follows.

First, a description will be given of an apparatus for manufacturing a punched nonwoven fabric composed of a drum part, a support part, and an air supply part. First, as shown in FIGS. 1 and 7, the drum part forms a punching hole 101 in the web 100. For spraying compressed air, the drum is composed of a drum 10 and a distribution unit 20.

The drum 10 has a hollow cylindrical shape, and the drum 10 has a distribution part 20, and the distribution part 20 has an inner pipe 21 passing through the drum 10. Then, it consists of a manifold 22 that is connected to the inner pipe 21 is installed and the inner nozzle 23 is connected to the manifold 22 is installed.

To explain this in more detail, the drum 10 has a cylindrical shape that is hollow in the longitudinal direction and is open in both sides, and has a plurality of perforated holes formed at regular intervals on the outer periphery of the drum 10. In addition, the external nozzles 11 are formed in these holes, and the external nozzles 11 are formed by the external nozzles 11 having the shape in which the holes protrude to a proper length, rather than being simply formed as perforated holes. Compressed air discharged to the outside through the outer nozzle 11 having a protruding shape is preferably to increase the speed in the discharge process.

In addition, the drum 10 is configured to rotate by the motor 30, as shown in Figs. 1 and 3, only the drum 10 rotates in the drum, and the distribution unit except the drum 10. 20 is fixed to the rotation of the drum 10 without interference, the rotation of the drum 10 is rotated by the motor 30, but rather than directly connected to the motor 30, reducer, gear connection, pulley It is preferable to be connected by the power transmission means 31, such as the connection of the belt and the connection of the chain and the sprocket.

In addition, the inner pipe 21 of the distribution unit 20 is composed of a conventional pipe, as shown in Figures 1 and 2, the inner pipe 21 is drawn into the drum 10, the inner pipe Both ends of the 21 are configured to protrude to both sides of the drum 10, and elbows are provided at both ends of the inner pipe 21, so that the ends of the drum 21 can be easily connected to the supply pipe 51. (10) It is preferable that the open area at both ends has a spatial margin in which the inner pipe 21 can move little by little in the up, down, left and right directions even when the inner pipe 21 is assembled.

The manifold 22 of the distribution unit 20 is provided between the inner pipe 21 and the inner nozzle 23 and is supplied to the inner pipe 21 as shown in FIGS. 2 and 7. Compressed air is supplied to and distributed from the manifold 22 to the inner nozzle 23, and the manifold 22 is connected and fixed by the inner pipe 21 and a plurality of pipes. A plurality of internal nozzles 23 are installed at 22, and the manifold 22 is a chamber having a space therein.

The punching partition 22a is configured inside the manifold 22 to uniformly supply compressed air of the inner pipe 21 to the inner nozzle 23, and the punching partition 22a is inside the manifold 22. The punching partition 22a is formed in a plurality of punching holes 22b in a plate at a predetermined interval, and the inner pipe 21 is integrally formed in a cross section perpendicular to the direction in which compressed air enters the air. Compressed air entering the manifold 22 is dispersed by the punching partition 22a and then uniformly moved (supplied) to the inner nozzle 23 through the punching hole 22b.

In addition, the interval of the inner nozzle 23 installed in the manifold 22 is preferably to be matched with the interval of the outer nozzle 11 outside the drum 10, the inner nozzle 23 gradually toward the end It is preferable to form a narrowing cross section so that the discharged air is further increased while the supplied compressed air passes through the inner nozzle 23.

As such, the distribution unit 20 including the inner pipe 21, the manifold 22, and the inner nozzle 23 is provided in the drum 10 to constitute the entire drum.

Subsequently, the supporting part, as shown in FIG. 1, is a part supporting the drum part at a predetermined height. First, both ends of the drum 10 are supported by the moving block 41 and the fixed block 42, and the inner pipe ( 21 is supported by the inner pipe holder 45, the horizontal and vertical movement of the drum 10 is composed of the drum vertical movement gear set 43 and the drum horizontal guide 44, the inner pipe 21 The vertical and horizontal movement of the rollers consists of an inner pipe horizontal guide 46 and an inner pipe screw 47 (normally any screw that can be screwed together, such as a male screw, a TM screw, a ball screw, a roller screw, etc.). The drum and the support described above are supported by a frame 40 woven to a certain height and size.

’또는,‘

’의 구조를 가지며, 이 고정블록(42)의 트인 공간에 이동블록(41)이 끼움 되어, 이동블록(41)이 고정블록(42)의 트인 공간을 따라 상?하 이동하며, 상기 고정블록(42)과 결합하는 이동블록(41)의 좌우와 맞대는 면은 상?하를 따라, 레일, 요철, 단턱, 적정 각도 등의 방법으로 결합되어, 수직 방향으로의 상?하 이동이 용이하도록 한다.First, as shown in Figures 3 to 6, the moving block 41 is assembled at both ends of the drum 10, and a fixed block for supporting the moving block 41 to move up and down ( 42), the fixed block 42 is formed in the vertical direction of the open space up and down, '

'or,'

It has a structure of ', the moving block 41 is fitted in the open space of the fixed block 42, the moving block 41 moves up and down along the open space of the fixed block 42, the fixed block The surface facing the left and right of the moving block 41 to be coupled to (42) is coupled along the upper and lower sides, such as rails, irregularities, stepped, appropriate angle, etc., so as to facilitate the vertical movement in the vertical direction do.

For reference, both ends of the drum 10 are assembled with the moving block 41 in a state where a bearing is provided, so that the drum 10 freely rotates. As shown in FIG. 4, the drum ( 10) The shafts (pipes) having cross sections of open spaces at both ends are protruded, and bearings are coupled to the shafts protruding from the drum 10, and the bearings are coupled with the moving block 41 wrapped. By the action of the bearing, the drum 10 freely rotates with respect to both moving blocks 41, and this moving block 41 is a space in which the moving block 41 is coupled with the axis of the drum 10, that is, the space inside the bearing. Both ends of the inner pipe 21 coupled to the drum 10 protrude, and the size of the open space of the moving block 41 allows the inner pipe 21 to move up, down, left and right. It is formed to a size having a space.

In addition, the fixed block 42 for supporting the drum 10 is installed in the frame 40 woven to a predetermined size and height, by the frame 40 and the fixed block 42 and the moving block 41 Make sure that the drum 10 is supported.

In addition, the up and down movement control of the moving block 41 is made by the drum vertical movement gear set 43. As shown in FIG. 4, the drum vertical movement gear set 43 is geared in the vertical direction. Constitutes a set screw 43a (any screw capable of screwing, such as a normal male screw, a TM screw, a ball screw, a roller screw, etc.), and at least one rotating shaft 43b is formed in the horizontal direction, and The gear set screw 43a is configured to move up and down by rotation of the rotation shaft 43b by the gear coupling of the gear set screw 43a and the rotation shaft 43b. 43 is installed on the upper portion of the moving block 41, the gear set screw 43a passes through the fixed block 42 and the screw coupling in the vertical lower direction, the end of the gear set screw 43a through the moving block ( 41), and rotates to the one rotating shaft 43b. When the front shaft handle 43c is installed, the gear set screw 43a and the moving block 41 can move up and down when the rotating shaft 43b is rotated using the handle 43c.

In addition, the rotary shafts 43b and 43b 'are perpendicular to the two rotary shafts 43b and 43b' and the rotary shafts 43b and 43b 'so as to protrude in a pair, that is, in the horizontal direction. Gear set screw (43a) is provided with, the rotation of the rotary shaft (43b) (43b ') by the rotation of the gear set screw (43a) constitutes the drum vertical movement gear set 43 of the structure to move up and down The drum vertical movement gear set 43 is installed in each of the moving blocks 41 at both ends of the drum 10, and the opposite rotation shaft 43b 'couples the shaft 43e through the coupling 43d, When the rotating shaft handle 43c is provided in the outer rotating shaft 43b, when the rotating shaft 43b and 43b 'is turned through this rotating shaft handle 43c, it will be provided in the both ends of the drum 10 by the shaft 43e. The pair of drum vertical movement gear set 43 is rotated at the same time, there is an effect that can move both moving blocks 41 up and down at the same height.

On the other hand, the configuration of the drum vertical movement gear set 43 and the shaft 43e is for vertical movement of both ends of the drum 10 at the same time, by the method of not using the drum vertical movement gear set 43, The gear set screw 43a is screwed to the fixed block 42 to fix the end of the gear set screw 43a to the moving block 41. When the 43a is provided, the height of the drum 10 can be controlled by the rotation of the gear set screw 43a.

The drum 10 is moved up and down by the drum vertical movement gear set 43, and the drum 10 is horizontally moved by the drum horizontal guide 44, as shown in FIGS. 4 and 6. As described above, the drum horizontal guide 44 is located between the frame 40 and the fixed block 42, and the drum horizontal guide 44 is a drum horizontal guide base guide 44a. ) And a drum horizontal guide slider 44b assembled to an upper portion of the drum horizontal guide base guide 44a. The drum horizontal guide base guide 44a is fixed to the frame 40 without moving. The guide slider 44b is assembled on the drum horizontal guide base guide 44a, and the slider 44b is fixed to the fixing block 42.

For reference, the drum horizontal guide base guide 44a and the drum horizontal guide slider 44b are coupled to each other by rails, unevenness, and proper angles (usually, 30 degrees to 90 degrees). It is preferable to use a product having a vertical linear motion like a conventional liner guide, and a plurality of drum horizontal guides 44 are used according to the weight supported by the fixing block 42. Horizontal guides 44 are respectively installed to be located on both sides of the drum (10).

In addition, at least one drum horizontal guide 44 of the plurality of drum horizontal guides 44 includes a drum horizontal guide bracket 44c and a drum horizontal guide screw 44d to control the movement of the drum horizontal guide slider 44b. To install the drum horizontal guide handle 44e, the drum horizontal guide bracket 44c is fixedly installed on the front of the drum horizontal guide 44, and the drum horizontal guide screw 44d is a drum horizontal guide bracket. (44c) passes through the screw connection, one end of the drum horizontal guide screw 44d is assembled to the drum horizontal guide slider 44b, and the drum horizontal guide screw 44d protrudes out of the drum horizontal guide bracket 44c. The end of the drum is fixed to the drum horizontal guide handle (44e), by the rotation of the drum horizontal guide handle (44e), the fixing block 42 and the drum 10 can move along the longitudinal direction of the drum (10). To do that.

In addition, referring to Figures 4 and 5 to look at the vertical and horizontal moving structure of the distribution unit 20 by the movement control of the inner pipe 21, the inner pipe 21 and the inner pipe horizontal guide 46 Horizontal and vertical movements can be made by the inner pipe screw 47. For this purpose, an inner pipe holder 45 is installed in the inner pipe 21 protruding from both ends of the drum 10.

’또는,‘

’의 구조를 가지며, 이 고정홀더(45a)의 트인 공간에 이동홀더(45b)가 끼움 되어 상?하 이동하고, 상기 고정홀더(45a)와 결합하는 이동홀더(45b)의 좌우와 맞대는 면은 상?하를 따라, 레일, 요철, 적정 각도(보통, 30도 내지 90도)로 방법으로 결합 되어, 이동홀더(45b)가 고정홀더(45a)를 따라 안내되어 수직 방향으로의 상?하 이동이 용이하도록 한다.In addition, the inner pipe holder 45 is composed of a fixed holder 45a and a moving holder 45b for vertical movement as shown in FIG. 5, wherein the moving holder 45b is connected to the inner pipe 21. Directly fixed, the movable holder 45b moves up and down along the fixed holder 45a, and the open space 45 is formed in the vertical direction in the vertical direction.

'or,'

And a moving holder 45b is inserted into the open space of the fixed holder 45a, and moves up and down to face the left and right sides of the moving holder 45b coupled to the fixed holder 45a. Along the upper and lower sides, the rails, concavities and convexities are coupled in a proper angle (usually, 30 degrees to 90 degrees), and the movable holder 45b is guided along the fixed holder 45a to move upward and downward in the vertical direction. Make it easy to move.

In addition, the inner pipe screw 47 is assembled to the upper portion of the movable holder 45b, the inner pipe screw 47 is passed through the fixing holder 45a in the vertical lower direction by screwing, the inner pipe screw 47 The end of the fixed holder 45b, and the inner pipe screw handle 47a is installed on the upper end of the inner pipe screw 47 protruding above the fixing holder 45a to adjust (rotate) the handle 47a. ), So that the moving holder 45b can move up and down, and thus the entire distribution part 20 moves up and down by moving up and down of the moving holder 45b.

And the inner pipe horizontal guide 46 for moving the distribution unit 20 along the longitudinal direction of the drum 10, as shown in Figures 4 to 6, the horizontal movement of the fixed block 42 It is similar to the structure of the drum horizontal guide 44 to perform, the inner pipe horizontal guide 46 for adjusting the horizontal position of the inner pipe 21 is between the moving block 41 and the inner pipe holder 45. Install.

The inner pipe horizontal guide 46 of the distribution unit 20 includes a lower inner pipe horizontal guide base guide 46a and an inner pipe horizontal guide slider 46b assembled to an upper portion of the inner pipe horizontal guide base guide 46a. The inner pipe horizontal guide base guide 46a is fixed to the moving block 41, and the inner pipe horizontal guide base guide 46a is installed on the inner pipe horizontal guide base guide 46a. 46b is assembled with the inner pipe holder 45.

For reference, the inner pipe horizontal guide base guide 46a and the slider 46b are coupled to each other by rails, unevenness, and proper angles (usually, 30 degrees to 90 degrees). It is preferable to use a product that has a vertical linear motion, such as a liner guide of the, and using a plurality of inner pipe horizontal guides 46 according to the weight of the distribution unit 20, this inner pipe horizontal guide 46 are installed so as to be located at both sides of the drum (10).

In addition, at least one of the inner pipe horizontal guides 46 of the inner pipe horizontal guides 46 is provided with an inner pipe horizontal guide screw 46d to control the movement of the inner pipe horizontal guide slider 46b. The inner pipe horizontal guide bracket 46c is fixedly installed on the front surface of the inner pipe horizontal guide 46, and the inner pipe horizontal guide screw 46d is coupled to the inner pipe horizontal guide bracket 46c by a screw connection. One end of the inner pipe horizontal guide screw 46d is assembled to the inner pipe horizontal guide slider 46b, and the inner pipe ends at the end of the inner pipe horizontal guide screw 46d protruding outside the inner pipe horizontal guide bracket 46c. The horizontal guide handle 46e is fixed, and the inner pipe 21 and the inner pipe are rotated by the rotation of the inner pipe horizontal guide handle 46e. The manifold 22 and the inner nozzle 23, ie, the distribution unit 20 fixed to the 21, move horizontally along the longitudinal direction of the drum 10 by the inner pipe horizontal guide 46.

Thus, the movable block 41 is installed at both ends of the drum 10, and the movable block 41 is fixed by the drum vertical movement gear set 43 provided at the upper portion of the movable block 41. 42, the drum 10 moves vertically and vertically, and the fixed block 42 moves horizontally along the longitudinal direction of the drum 10 by the drum horizontal guide 44. Can move horizontally,
In addition, a moving holder 45b is installed in the inner pipe 21 protruding to the outside of the drum 10, and the moving holder 45b moves up and down with respect to the fixed holder 45a. The inner pipe horizontal guide screw 46d is installed at 45a), and the movable holder 45b and the distributing part 20 move up and down. The inner pipe horizontal guide 46 is installed at the fixed holder 45a. The inner pipe horizontal guide 46 constitutes a supporting part such that the fixed holder 45a, the moving holder 45b, and the distributing part 20 can move along the longitudinal direction of the drum 10.

In addition, the vertical and horizontal movement of the drum 10 and the inner pipe 21 can be directly controlled by the drum vertical movement gear set 43, the drum horizontal guide 44, the inner pipe horizontal guide 46 and the inner portion. It is made of a pipe screw 47, the moving block 41, which is provided at both ends of the drum 10 and the moving holder 45b in which the inner pipe 21 is installed, are marked with reference points such as notches or separate marks. According to the movement path of the reference point according to the vertical and horizontal movement of the moving block 41 and the moving holder 45b, a gauge such as a ruler is separately installed in a fixed portion, so that the moving distance can be adjusted through the gauge. It is desirable to.

In addition, the drum horizontal guide 44 and the inner pipe horizontal guide 46 are intended to easily adjust the movement of the drum 10 and the inner pipe 21 in the horizontal direction along the longitudinal direction of the drum 10. If necessary, the drum horizontal guide 44 and the inner pipe horizontal guide 46 having the same structure may be installed and applied to move in a vertical direction with respect to the longitudinal direction of the drum 10. Thus, the drum 10 and It is possible to change or add the structure for the horizontal movement of the inner pipe (21).

Next, as shown in FIGS. 1 and 2, the air supply unit supplies compressed air to the drum unit, and the air supply unit includes an air compressor 50 and an air pipe 51. And a plurality of air compressors 50 are provided outside the drum and the support, and the supply pipes 51 are connected to the air compressors 50, so that the supply pipes 51 are connected to the drums. It is to be closely connected to the inner pipe (21).

However, a general synthetic resin or metal pipe can be kept constant in length (not compressed or expanded by external force), and can actually move the inner pipe 21 horizontally and vertically, as shown in FIG. Preferably, the supply pipe 51 and the inner pipe 21 are connected by a pleated pipe 52, and the air compressor 50 is provided with a plurality, and then only one of each of the air compressors 50 is used. When the air compressor 50 in use fails or a higher pressure of compressed air is required, the additional air compressor 50 is additionally operated and used.

As described above, the apparatus for manufacturing a punched nonwoven fabric composed of a drum portion, a support portion, and an air supply portion is constituted.

Next, referring to the manufacturing method of the punched nonwoven fabric to which the apparatus for manufacturing the punched nonwoven fabric is applied, as shown in FIG. 7, first, a conveyor 60 is installed below the drum 10 of the apparatus for manufacturing the punched nonwoven fabric. The web 100 is continuously supplied to the conveyor 60. The web 100 forms a sheet form of a raw material of the nonwoven fabric through an opening machine and a carding machine. The web 100 is formed along the conveyor 60 of the drum unit. As the 100 moves, a plurality of punched holes 101 are formed in the web 100 by the apparatus for manufacturing the punched nonwoven fabric.

In order to manufacture the perforated nonwoven fabric having the required thickness using the apparatus for manufacturing the perforated nonwoven fabric, the drum 10 and the inner pipe 21 are adjusted to adjust the positions of the drum 10 and the inner pipe 21. Since the vertical and horizontal positions can be adjusted, respectively, in the case of the drum 10, the vertical and horizontal positions are adjusted by the drum vertical movement gear set 43 or the drum horizontal guide 44, and the inner pipe 21 also has an inner pipe horizontal. By adjusting the vertical and horizontal positions through the guide 46 and the inner pipe screw 47, the position and the distance between the outer nozzle 11 of the drum 10 and the inner nozzle 23 of the distribution unit 20 can be coincident with each other. In order to adjust the pressure of the air supplied by the air compressor 50 according to the thickness and type of the supplied web 100, it is difficult to control the pressure of the air of the air compressor 50. In this case, the outer nozzle 11 and the inner To adjust the spacing of the sub-nozzle (23).

Therefore, when the web 100 is continuously supplied through the conveyor 60, compressed air is simultaneously supplied from the air compressor 50, and the supplied compressed air is supplied to the supply pipe 51, the pleated pipe 52, and the inside. It exits through the pipe 21, the manifold 22 and the inner nozzle 23, the drum 10 is rotated by the motor 30, the outer nozzle 11 of the drum 10 When the position of the inner nozzle 23 and the same coincide with each other, the compressed air is discharged to the outer nozzle 11 of the drum 10, to penetrate the web 100 to form a punching hole 101, further, Compressed air passing through the web 100 to form the punching hole 101 hits the conveyor 60 (exactly, the conveyor belt) and comes back to the reaction and exits the punched hole 101 again. Increasing the degree of formation of the 101, the formed hole 101 is actually a circular [ Rim] and as shown are formed in a slightly oval shape elongated along the direction of movement of the web 100.

[Drawing]

The apparatus for manufacturing a punched nonwoven fabric using the air as described above is sequentially arranged and installed with a conventional apparatus for manufacturing a nonwoven fabric, and combines the supply of raw materials and the web 100 for manufacturing the punched nonwoven fabric. In order to manufacture the perforated nonwoven fabric by sequentially performing a series of processes, in order to manufacture the perforated nonwoven fabric, a general opening machine and a carding machine, a manufacturing apparatus of the perforated nonwoven fabric according to the present invention, a web coupler and a winder of a conventional nonwoven fabric To be provided in sequence, the opening machine to the web coupler is configured to be connected in sequence by the conveyor 60, by supplying the non-woven raw material to the opening machine, through the conveyor 60 each device (apparatus) Pass through, and finally through the web coupler to make the perforated nonwoven fabric wound on the winder, The manufacturing process of the nonwoven fabric by the same value as illustrated in the flow chart of Fig.

On the other hand, the above-mentioned web coupler is a web joining the nonwoven fabric forming a punched hole while sequentially passing through the carding machine and the manufacturing apparatus of the punched nonwoven fabric, the conventional web bonding method has a variety of methods, typically calendaring There is a method and a high temperature hot air method.

In addition, the raw material fibers used in the manufacture of the perforated nonwoven fabric according to the present invention, mainly, polyolefins of PP (polypropylene) and PE (PE, polyethylene), or PET (PET, polyethylene terephthalate), etc. As using a synthetic fiber that can be bonded by heat as described above, it is preferable to apply a high temperature hot air method as the web bonding method, when the high temperature hot air method is used as the web combiner, the web generating the high temperature hot air Between the combiner and the winder that winds up the final perforated nonwoven fabric, it can be moved using a guide roller for air cooling, or moved to a conveyor, or by blowing a cold or cold air at room temperature and passing through a web combiner. It is desirable to allow cooling of one perforated nonwoven.

The apparatus for manufacturing the punched sub fabric is sequentially provided, and then the perforated nonwoven fabric is manufactured according to the process diagram of FIG. 8. First, the opening process S1 is performed by supplying a nonwoven fabric to a bale. It is a process of releasing raw materials, removing miscellaneous goods, and putting them in a general opening machine (taking machine) to release the aggregated raw materials into a cotton form, and remove foreign substances contained in the raw materials, as described above. The raw material varies depending on the web coupler, in order to be suitable for the apparatus for manufacturing a perforated nonwoven fabric according to the present invention, the raw material of the nonwoven fabric is preferably made of synthetic fibers (pipi, pi, piti, etc.) that can be bonded by heat, The opened raw material is moved to the next carding machine through the conveyor 60.

Next, the carding step (S2) is a step of forming a web in the raw material of the opened nonwoven fabric to form a sheet (generally referred to as a web, hereinafter referred to as a web). The carding machine uses a conventional roll carder or plate carder, and the carding machine has a structure in which a plurality of rolls having brushes formed on an outer surface thereof are engaged. By passing through the opened raw material, the fibers move and accumulate in a brushing action (combing) to form a web having a flat sheet shape, and the web 100 is formed of the next perforated nonwoven fabric through the conveyor 60. Move on to the manufacturing apparatus.

Carding process (S2) The air drilling process (S3) following the drilling hole 101 by the manufacturing apparatus of the said punched nonwoven fabric to the web 100 moved by the said conveyor 60, as shown in FIG. In the process of forming a), the web 100 passed through the carding machine is moved to the lower portion of the drum 10 of the apparatus for manufacturing a punched nonwoven fabric by the conveyor 60, and the punched hole is formed in the web 100 by using compressed air. Forming a 101 to form a perforated web 100 ', and a gap of the perforated hole 101 formed in the perforated web 100' is determined by a gap between the outer nozzles 11 of the drum 10. The size of each punched hole 101 formed in the web 100 is determined by the size of the external nozzle 11 of the drum 10, the strength of air compression, and the like. It is preferable to set the pressure of the drum 10 and the air compressor 50 in consideration of the size and interval of the 101.

In addition, the web bonding step (S4) is a step of bonding the perforated web (100 ') to form a nonwoven fabric (structure), the bonding method of the perforated web (100'), a typical high temperature hot air ( It is preferable to use a hot air through method, or a general calendering method, and among them, a high temperature hot air method that does not apply a physical external force to the perforated web 100 ', in fact, The rendering method is also acceptable.

As an example of the web bonding step (S4), a high temperature hot air method is described, and having a web coupler that blows high temperature hot air, and continuously passing the web perforated in the air drilling step (S3) to the web combiner The heat is applied to the perforated web 100 'to adhere (fusion) and bond the web to form a perforated nonwoven fabric having a structure of a general nonwoven fabric.

On the other hand, in the web bonding step (S4), when the web bonding method is a high temperature hot air method, it is preferable to cool the perforated nonwoven fabric passing through the web coupler, as a method of cooling the perforated nonwoven fabric, There is an air cooling method or a method of blowing air, and in the case of air cooling, a plurality of rolls are installed between the apparatus for manufacturing the perforated nonwoven fabric and the subsequent winder, and the perforated nonwoven fabric passing the web combiner of the high temperature hot air type passes through the roll. While cooling at room temperature, the blowing method is a perforated nonwoven fabric is produced by blowing a cold or cold air at room temperature to the perforated nonwoven fabric passing through the web coupler of the high temperature hot air method.

Winding process (S5) is a step of winding the manufactured perforated nonwoven fabric by a winder (winder), the perforated nonwoven fabric wound to the winder suitable length, is processed in various forms and supplied to the consumer.

Perforated nonwoven fabric produced by the process as described above has the property to obtain a uniform and excellent physical properties,
The perforated nonwoven fabric produced by the conventional method is made by punching the web-bonded nonwoven fabric by heat and then fixing it by heat once more, so that the final fabricated perforated nonwoven fabric is stiffer than the first web-bonded nonwoven fabric. While poor quality and difficult to obtain uniform properties,
Since the perforated nonwoven fabric prepared according to the present invention is perforated before web bonding and only one web bonding thereafter, the physical properties of the perforated nonwoven fabric are preserved even after manufacture, and a perforated nonwoven fabric having a smooth and excellent physical property can be obtained. There is a characteristic.

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1 is a front view of a manufacturing apparatus of perforated nonwoven fabric according to the present invention.

2 is a side view of the manufacturing apparatus of perforated nonwoven fabric according to the present invention.

3 is a cross-sectional view taken along line AA ′ of FIG. 1.

4 is an enlarged view of a portion B of FIG. 1.

FIG. 5 is a CC ′ partial sectional view of FIG. 4. FIG.

FIG. 6 is a partial sectional view taken along line DD ′ of FIG. 4; FIG.

7 is a state diagram of the punching process of the web using the apparatus for manufacturing a punched nonwoven fabric according to the present invention.

8 is a manufacturing process diagram of a perforated nonwoven fabric using the apparatus for manufacturing a perforated nonwoven fabric according to the present invention.

[Description of Code for Major Parts of Drawing]

10 drum 11 outer nozzle 20 distribution unit

21: inner pipe 23: inner nozzle 30: motor

40: frame 41: moving block 42: fixed block

43: drum vertical movement gear set 44: drum horizontal guide
45: internal pipe holder 46: horizontal pipe guide

50: air compressor 51: supply pipe 60: conveyor

Claims (8)

 The inside is empty, constitutes a drum 10 composed of a predetermined interval at the outer periphery and the inner nozzle 11, the inner pipe 21 to pass through the drum 10, the inner pipe A plurality of internal nozzles 23 are formed at predetermined intervals 21, and the drum 10 is rotated at a constant speed by the motor 30, and the compressed air is compressed through the air compressor 50. To construct a perforated nonwoven fabric manufacturing apparatus having a structure to supply Apparatus for producing a punched nonwoven fabric using air, characterized in that for supplying the web to the lower drum, the punched hole is formed by the compressed air supplied at the instant of coincidence of the inner nozzle and the outer nozzle. The method of claim 1, Punching is formed between the inner pipe 21 and the inner nozzle 23 by a manifold 22, and a plurality of punching holes 22b are formed in a vertical direction in which compressed air moves in the inner space of the manifold 22. The partition 22a is integrally formed, A punching device for a nonwoven fabric using air, wherein the compressed air supplied to the inner pipe is supplied to the inner nozzle at a uniform pressure. 3. The method of claim 2, Both ends of the drum 10 are respectively supported by a moving block 41, and each of the moving blocks 41 moves up and down along the fixed block 42, but the gear set is moved to the moving block 41. The screw 43a is assembled so that the moving block 41 and the drum 10 vertically move up and down by the rotation of the gear set screw 43a. The horizontal horizontal guide base guide 44a and the drum horizontal guide base guide 44a are assembled to the upper horizontal horizontal guide slider (44b) to move in a horizontal direction relative to the drum horizontal guide base guide 44a Guide 44 is provided, The horizontal guide 44 is assembled below the fixed block 42, and the gear set screw 43a is assembled to the drum horizontal guide slider 44b, and the movable block 43 is rotated by the rotation of the gear set screw 43a. 41 and the drum 10 move horizontally along the longitudinal direction of the drum 10, Apparatus for manufacturing a perforated nonwoven fabric using air, characterized in that the vertical and horizontal position adjustment of the external nozzle of the drum is easy. The method of claim 3, Both ends of the inner pipe 21 are supported by the moving holder 45b, and the moving holder 45b moves up and down vertically along the fixed holder 45a, but is internal to the moving holder 45b. The pipe screw 47 is assembled, and the inner pipe 21 vertically moves up and down by the rotation of the inner pipe screw 47, Inner pipe horizontal guide base guide 46a and the inner pipe horizontal guide base guide 46a are assembled on the inner pipe horizontal guide base guide 46a and move in a horizontal direction with respect to the inner pipe horizontal guide base guide 46a. The inner pipe horizontal guide 46 is composed of, The inner pipe horizontal guide base guide 46a and the inner pipe horizontal guide slider 46b of the inner pipe horizontal guide 46 are assembled to the moving block 41 and the fixed holder 45a, respectively. Assembling the guide 46, the inner pipe screw 47 is assembled to the inner pipe horizontal guide slider 46b, the inner pipe 21 is the length of the drum 10 by the rotation of the inner pipe screw 47 Move horizontally along the direction, Apparatus for manufacturing a perforated nonwoven fabric using air, characterized in that it is easy to adjust the vertical and horizontal position of the inner nozzle connected to the inner pipe. A conventional opening machine, a conventional carding machine, a manufacturing apparatus of the perforated nonwoven fabric according to any one of claims 1 to 4, a conventional web coupler and a winder are arranged in sequence, and the raw material of the perforated nonwoven fabric is supplied to the opening machine. If so, it is configured to be connected to the web coupler by the conveyor, An opening step of supplying a normal nonwoven raw material to the opening machine to open the raw material of the nonwoven fabric (S1); A carding process (S2) of forming the sheet-shaped web by passing the opened raw material of the nonwoven fabric to a carding machine; An air drilling step (S3) of passing the web through the manufacturing apparatus of the punched nonwoven fabric to form a hole in the web; The method of manufacturing a punched nonwoven fabric to which the apparatus for manufacturing a punched nonwoven fabric using air, characterized in that the web bonding step to pass through the web combiner to combine the web to form a punched nonwoven fabric. The method of claim 5, The raw material of the nonwoven fabric supplied to the opening step (S1), Using synthetic fibers that can be bonded by heat such as PP (polypropylene), PP (PE, polyethylene), PET (PET, polyethylene terephthalate), The web bonding method of the web bonding step (S4) using a high temperature hot air method, A method of manufacturing a punched nonwoven fabric using an apparatus for manufacturing a punched nonwoven fabric using air, characterized by maintaining the form of an air-punched web. Perforated nonwoven fabric produced by the process of claim 5. Perforated nonwoven fabric produced by the process of claim 6.

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