KR20240002785A - Circular duct and apparatus for manufacturing the same - Google Patents

Abstract

The present invention is a duct body in a hollow form where the fabric is wound in a spiral shape to form a circle; Wires disposed between overlapping areas in the fabric forming the duct body; and ultrasonic joints formed on both sides of the wire with the wire in between, among areas that overlap each other in the fabric forming the duct body; providing a circular duct including a,
To manufacture the circular duct, a table; A fusion unit installed on the table top and having a pair of ultrasonic heads arranged front and rear side by side; A cylindrical support disposed in a lying position on the lower side of each head of the fusion unit; a fabric feeding unit that supplies fabric at an angle between each head of the fusing unit and the support; a wire feeding unit that supplies a wire between the fabric supplied by the fabric feeding unit and the support and passes through an area between each head of the fusing unit; and a guide unit that guides the fabric to be wound around the support body in a spiral shape and moves it forward. Since it is made of non-woven fabric, it has excellent insulation and lightweight properties, and moisture, etc. easily evaporates, making it difficult to remove from the vehicle. It relates to a circular duct for air conditioning and a manufacturing device thereof that can maintain a comfortable indoor environment.

Description

Circular duct and its manufacturing device {CIRCULAR DUCT AND APPARATUS FOR MANUFACTURING THE SAME}

The present invention is a device for manufacturing a duct for vehicle interior air conditioning. In particular, the present invention relates to a circular duct and its manufacturing device that can manufacture a hollow circular duct by spirally winding non-woven fabric (including thinsulate) and joining it through ultrasonic adhesion. It is a technology related to

Technologies related to vehicle interior air conditioning ducts include:

Republic of Korea Patent Registration No. 10-1534707 (registered on July 1, 2015, hereinafter referred to as ‘Document 1’) presents 『Vehicle air duct and method of manufacturing the same』,

Document 1 refers to a vehicle air duct installed in the engine room to suck in air necessary for engine combustion, in which at least one sound-absorbing pad with different materials and composition ratios is stacked, and is separately molded by heat compression molding. a main body formed by combining a first body and a second body; and a snorkel mounted at the tip of the main body and allowing external air to flow into the main body, wherein the main body forms an outer peripheral surface and is made of a mixture of PET (Polyethylene terephatalate) material and LM (LOW MELTING FIBER) material. A first sound-absorbing pad formed; A second sound-absorbing pad laminated inside the first sound-absorbing pad and formed by mixing PP/PE (polypropylene/polyethylene) material, PET material, and LM material; A third sound-absorbing pad formed of PP SPUN BOND (polypropylene span bond) material adhered to the inside of the second sound-absorbing pad; A fourth sound-absorbing pad laminated inside the third sound-absorbing pad and formed by mixing PP/PE material, PET material, and LM material; A fifth sound-absorbing pad laminated inside the fourth sound-absorbing pad and formed by mixing PET material and LM material; And a sixth sound-absorbing pad that is stacked on the inside of the fifth sound-absorbing pad to form an inner peripheral surface, and is formed by mixing PP/PE material and LM material. By including a, while the vehicle is running, air is sucked or the sucked air is This is a technology related to vehicle air ducts and their manufacturing methods that minimize noise generated by backflow due to engine vibration and pressure changes due to valve operation.

As another technology, Republic of Korea Patent Registration No. 10-1782448 (registered on September 21, 2017, hereinafter referred to as 'Document 2') "Patch-type intake duct for vehicle and method of manufacturing the same" is presented,

Document 2 has a hollow main body connected to the intake port of the engine on one side and in communication with the outside on the other side, an opening is formed on the outer peripheral surface of the main body, and a sound-absorbing pad is provided in the opening, so that the intake duct can be used without a resonator. An intake duct for a vehicle and a method of manufacturing the same have the effect of reducing the vibration and noise generated, but increasing productivity and increasing the practicality of the design by securing space in the engine room by simply configuring the structure of the intake duct. It's technology.

Document 1. Republic of Korea Patent Registration No. 10-1534707 (registered on July 1, 2015) Document 2. Republic of Korea Patent Registration No. 10-1782448 (registered on September 21, 2017)

The present invention is a circular duct that allows manufacturing a hollow circular duct by ultrasonic bonding in a form that fixes the overlapping area of the fabric and the wire placed there while allowing the shape to be formed with a spirally wound fabric and the wire supplied thereto. The purpose is to provide a device for manufacturing the same.

Furthermore, the purpose of the present invention is to provide a circular duct and a manufacturing device thereof that can measure the degree of contamination inside the duct and guide it to a driver's terminal, etc.

In order to solve the above problems, the circular duct according to the present invention,

A duct body in a hollow form with fabric wound in a spiral shape to form a circle;

Wires disposed between overlapping areas in the fabric forming the duct body; and

Ultrasonic joints formed on both sides of the wire between the overlapping areas of the fabric forming the duct body;

It is characterized by including.

Meanwhile, in order to solve the above problems, the circular duct manufacturing device according to the present invention,

table;

A fusion unit installed on the table top and having a pair of ultrasonic heads arranged front and rear side by side;

A cylindrical support disposed in a lying position on the lower side of each head of the fusion unit;

Fabric is placed between each head of the fusing unit and the support.

Fabric feeding unit that supplies;

a wire feeding unit that supplies a wire between the fabric supplied by the fabric feeding unit and the support and passes through an area between each head of the fusing unit; and

a guide unit that guides the fabric to be wound around the support body in a spiral shape and moves it forward;

It is characterized by including.

The circular duct and its manufacturing device according to the present invention,

Since it is a non-woven material, it has excellent insulation and lightness. It forms a separate antibacterial layer to prevent mold, etc. from forming. Moisture etc. evaporates easily to keep the vehicle interior comfortable, and the level of contamination inside the duct can be monitored in real time. The biggest effect is that it can greatly help with maintenance by measuring and guiding the driver to the terminal.

1 is a three-dimensional diagram showing a circular duct of the present invention and a block diagram of IoT functions;
Figure 2 is a front configuration diagram showing the circular duct manufacturing device of the present invention;
3 is a side view showing the circular duct manufacturing device of the present invention;
Figure 4 is a front configuration diagram showing the lifting means;
Figure 5 is a side configuration diagram showing a pair of guide units;
Figure 6 is a front configuration diagram showing the guide roller structure of the guide unit;
Figure 7 is a side configuration diagram showing the lifting means and the feeder driving part;
Figure 8 is a side configuration diagram showing the antibacterial spray injection unit.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings.

Prior to this, the terms or words used in this specification and claims should not be construed as limited to their usual or dictionary meanings, and the inventor should appropriately define the concept of terms in order to explain his or her invention in the best way. It must be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle of definability. Therefore, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent the entire technical idea of the present invention, so various equivalents that can replace them at the time of filing the present application It should be understood that variations and variations may exist.

Based on Figure 2, the direction of the pedestal located on the left of the pair of pedestals is specified as the front or front, the side of the pedestal located on the right is designated as rear or rear, and based on FIG. 2, the roller side is designated as the front or front. The direction will be specified as the left side or the left side, and the support side as the right side or the right side.

As shown in Figure 1, the circular duct according to the present invention,

The duct body (D) is hollow, with the fabric (1) wound in a spiral shape to form a circle,

A wire 51 disposed between overlapping areas of the fabric 1 forming the duct body D, and

Ultrasonic joints (3) formed on both sides of the overlapping areas of the fabric (1) forming the duct body (D) with the wire (51) in between.

It is made including.

At this time, the fabric (1) is a single non-woven fabric or a multi-heavy non-woven fabric containing thinsulate. In particular, thinsulate exhibits excellent thermal insulation performance and excellent insulation by retaining body heat through countless fine air layers formed between layers of ultrafine fibers. It dries quickly and is an eco-friendly material with anti-allergenic properties.

In particular, as shown in [A] and [B] of Figure 1, inside the duct body (D) there is a pollution detection sensor (4) and a communication module (5) that receives its sensing value and transmits it to the driver's terminal (6). ) is built-in.

Here, the contamination detection sensor 4 may be fixedly attached to the inner peripheral surface of the duct body D. However, since the protruding shape may interfere with the flow of air, a separate dome (Dome) is installed to minimize air resistance. It is desirable to cover it with a dome-type or streamlined cover.

In addition, the pollution detection sensor 4 can be made of a known biosensor that collects reaction data from the sensor by making a sample with a constant concentration of a pre-selected hazardous chemical substance and reacts to the sensor by knowing the type and concentration of the chemical substance in advance. there is.

As the pollution detection sensor 4, which is a biosensor, transmits the sensing value of the type and concentration of the chemical substance to the driver's terminal through the communication module 5, the driver can determine the type and concentration of the chemical substance on the terminal. It can be checked with the naked eye, and maintenance can be performed such as replacing the duct or reusing it after washing and drying by determining whether the concentration is higher than the standard or a high-risk chemical.

As shown in Figures 2 to 8, the circular duct manufacturing apparatus according to the present invention,

It largely consists of a table 10, a fusion unit 20, a support 30, a fabric feeding unit 40, a wire feeding unit 50, and a guide unit 60.

Looking at each configuration,

The table 10 is

As shown in Figures 2 and 3,

It is made up of a square plate-shaped structure to provide a work space, and is located at a certain height through separate legs.

At this time, the legs may be further equipped with casters for movement.

The fusion unit 20 is

As shown in Figures 2, 3 and 5,

A pair of ultrasonic heads (21) arranged side by side, front and back

It includes a detailed configuration as it is composed of a typical ultrasonic welding machine structure that transmits ultrasonic vibration to each head 21 and allows ultrasonic bonding of the joint portion of the fabric 1 that is in contact with each head 21. will be omitted.

In particular, as shown in FIG. 4, the fusion unit 20 is lifted up and down by the lifting means 22. For this purpose, the lifting means 22 includes the feeding plate 41 or the table 10, which will be described later. ), a support block 221 installed on a separate support stand, a rectangular long hole 222 extending up and down in the support block 221, and a support block 221 that is arranged to slide up and down in the long hole 222 and is fused. A lifting rod 223 connected to the unit 20, a piston 224 whose upper end is connected to the lifting rod 223, and a part of the piston 224 are built in, and the piston ( It consists of a pneumatic cylinder body (225) that raises and lowers (224) up and down. At this time, the pneumatic cylinder body 225 is fixedly installed on the support block 221 by bolting, etc.

Ultimately, when the piston 224 is raised and lowered by the pneumatic cylinder body 225, the welding unit 20 is also raised and lowered, and when lowered, each head 21 comes into contact with the fabric 1, thereby performing ultrasonic fusion. Perform.

And each head 21 is composed of an individual roller structure that freely rotates about the central axis, as shown in the circular chain line located on the left in the drawing of FIG. 5, or

Alternatively, each of the heads 21 has a double roller structure integrally connected to each other by a shaft 211 axially coupled to the central axis as shown in the circular chain line located on the right side of the diagram in FIG. 5.

In particular, it is preferable that the roller structure of each head 21 is arranged at an angle so that it can be rotated in accordance with the direction of the helix that overlaps each other in the fabric 1.

Each head 21 of this rolling structure rotates freely when in contact with the fabric 1, thereby helping to perform ultrasonic fusion while minimizing interference with the transport of the fabric 1.

In addition, a plurality of sawtooth protrusions 212 may be further formed on the rollers forming each head 21 at equal intervals along the outer peripheral surface, as shown in the circular chain line located at the lower right of the drawing in FIG. 5. Each of these protrusions 212 can form joints 3 spaced apart at regular intervals on the fabric 1 and helps to rotate freely more smoothly when in contact with the fabric 1. .

In the present invention, the reason that each head 21 is provided as a pair and arranged side by side front and back is to enable bonding with the wire 51 disposed between the front and back two bonding lines. Through this, the wire 51 is fixed in a hidden form in the fabric 1, and the circular shape of the duct can be maintained by the wire 51.

The support 30 is

As shown in Figures 2, 3, 7 and 8,

A cylindrical structure disposed in a lying form on the lower side of each head 21 of the fusion unit 20,

A flat portion (31) at the top,

A space portion 32 formed to be recessed downward in an area facing each head 21 in the flat portion 31,

A feeder 33 disposed in the space 32, and

A feeder driver 34 that moves the fabric 1 to the left using the feeder 33 when fusion bonding to the fabric 1 is completed by each head 21.

It consists of a and is disposed in front of the fusion unit 20.

At this time, as shown in FIG. 7, the feeder driving unit 34 can be applied when the feeder 33 has a cylindrical structure laid down, and has a drive shaft 341 axially coupled to the center of the feeder 33. It consists of a motor 342. Ultimately, when the feeder 33 is rotated counterclockwise by the drive motor 342, the fabric 1 is pulled and moved to the left by the feeder 33. In particular, the feeder 33 is in direct contact with the fabric 1, and each head 21 for ultrasonic welding on the upper side of the fabric 1 is made of a heat-resistant metal material to press the fabric 1. It is desirable.

The fabric feeding unit 40 is

As shown in Figure 3,

To supply the fabric (1) at an angle between each head (21) of the fusing unit (20) and the support (30),

A feeding plate 41 mounted on the front end of the fusion unit 20 and supporting the fabric 1 supplied to the support 30, and

A pair of fences (42) erected at both ends of the feeding plate (41)

It is made including.

At this time, the feeding plate 41 is arranged in an approximate '/' shape inclined from left to right when viewed from the top, so that the supplied fabric 1 is supplied at an angle to the support 30 and wound, The fabric 1 moving along the upper surface of the feeding plate 41 is stably supported and moved without moving forward or backward by each fence 42.

The wire feeding unit 50 is

As shown in Figure 3,

This is for supplying the wire 51 between the fabric 1 supplied by the fabric feeding unit 40 and the support 30 and passing through the area between each head 21 of the fusion unit 20. ,

It is mounted on the lower surface of the feeding plate 41 and consists of a hollow tube-shaped feeding pipe 52 arranged vertically and horizontally with the feeding plate 41.

Ultimately, the nylon wire 51 supplied through the feeding pipe 52 is supplied to the lower surface of the fabric 1 seated on the support 30, so that it is within the overlapping area of the fabric 1 wound in a spiral shape. is positioned, and in this state, of the areas overlapped by each head 21, the areas on both sides with the wire 51 sandwiched between them are joined by ultrasonic fusion.

The guide unit 60 is

As shown in Figures 2, 3, and 5 to 7,

It is intended to move the fabric 1 forward while guiding it to be wound around the support 30 in a spiral shape.

A pair of stands (61) installed on the upper part of the table (10) with the support body (30) in between,

A pair of guide rollers 62 rotatably mounted on each pedestal 61 and arranged in parallel with the support 30, and

A roller driving unit 63 that transmits rotational power to each guide roller 62.

It is made including.

At this time, each stand 61 is spaced forward and backward and is fixedly installed on the table 10.

And as shown in FIG. 3, the roller drive unit 63 includes a driven sprocket 631 axially coupled to the axis of each guide roller 62, and a guide drive motor 632 installed on the table 10 and having a drive shaft. ), a drive sprocket 633 axially coupled to the drive shaft of the guide drive motor 632, and a belt 634 that interconnects the drive sprocket 633 and the driven sprocket 631. Ultimately, when the drive shaft rotates by the guide drive motor 632, the rotational force of the guide drive motor 632 is transmitted to the belt 634, causing the guide roller 62 to rotate.

Here, as shown in FIG. 6, a spiral tread portion 621 that comes into contact with the fabric 1 is formed on the outer peripheral surface of each guide roller 62, and this tread portion 621 is wound around the support 30. It serves to gradually move the fabric (1) to the front side. In other words, when the guide roller 62 rotates while the wire 51 wound around the fabric 1 is located in the empty space between the spiral tread portions 621, the fabric 1 is moved by the tread portion 621. You will be guided to the front and move.

Meanwhile, the circular duct manufacturing apparatus according to the present invention further includes an antibacterial spray injection unit 70.

The antibacterial spray injection unit 70 is

As shown in Figure 8,

This is to form an antibacterial layer (2) on the surface of the fabric (1) before the fabric (1) is supplied by the fabric feeding unit (40),

A tank 71 installed on one side of the table 10 and storing an antibacterial liquid,

A spray nozzle 72 disposed toward the upper and lower surfaces of the fabric 1,

A supply line 73 interconnecting the tank 71 and the spray nozzle 72, and

Pump 74 disposed on the supply line 73

It is made including.

Ultimately, the antibacterial solution pumped by the pump 74 exits the tank 71, passes through the supply line 73, and is sprayed on the upper and lower surfaces of the fabric 1 through the spray nozzle 72, thereby forming the fabric 1. An antibacterial layer (2) is formed on the surface.

In the above description of the present invention, the "circular duct and its manufacturing device" having a specific shape and structure have been described with reference to the accompanying drawings. However, the present invention can be modified and modified in various ways by those skilled in the art, and such modifications and changes can be made. should be interpreted as falling within the scope of protection of the present invention.

1: Fabric
2: Antibacterial layer
3: joint
4: Pollution detection sensor
5: Communication module
6: terminal
D: Duct body
10: table
20: Fusion unit
21: head
211: shaft
212: protrusion
22: lifting means
221: support block
222: Janggong
223: Elevating rod
224: piston
225: Pneumatic cylinder body
30: support
31: flat part
32: space part
33: feeder
34: Feeder drive eastern part
341: drive shaft
342: Drive motor
40: Fabric feeding unit
41: Feeding plate
42: fence
50: wire feeding unit
51: wire
52: Feeding pipe
60: Guide unit
61: stand
62: Guide roller
621: face part
63: roller driving part
631: Driven sprocket
632: Guide driving motor
633: Drive sprocket
634 : belt
70: Antibacterial spray injection unit
71: Tank
72: Spray nozzle
73: Supply line
74: pump

Claims (7)

A duct body (D) in which the fabric (1) is wound in a spiral shape to form a circular shape and is hollow;
A wire 51 disposed between overlapping areas of the fabric 1 forming the duct body D; and
Ultrasonic joints (3) formed on both sides of the overlapping areas of the fabric (1) forming the duct body (D) with the wire (51) in between;
A circular duct comprising:
According to claim 1,
The fabric (1) is a single non-woven fabric or a multi-heavy non-woven fabric containing thinsulate,
A circular duct characterized in that a pollution detection sensor (4) and a communication module (5) that receives the sensing value and transmits it to the driver's terminal (6) are built into the duct body (D).
In the manufacturing device for the circular duct of claim 1,
table(10);
A fusion unit 20 installed on the table 10 and having a pair of ultrasonic heads 21 arranged front and rear side by side;
A cylindrical support 30 disposed in a lying position on the lower side of each head 21 of the fusion unit 20;
A fabric feeding unit 40 that supplies fabric 1 at an angle between each head 21 of the fusing unit 20 and the support 30;
Wire feeding supplies the wire 51 between the fabric 1 supplied by the fabric feeding unit 40 and the support 30 and passes through the area between each head 21 of the fusing unit 20. unit 50; and
A guide unit 60 that guides the fabric 1 to be wound around the support 30 in a spiral shape and moves it forward;
A circular duct manufacturing device comprising:
According to claim 3,
The support 30 has a flat portion 31 at the top, a space portion 32 formed to be recessed downward in an area facing each head 21 in the flat portion 31, and the space portion 32. ), and a feeder driving unit 34 that moves the fabric 1 to the left using the feeder 33 when bonding is completed when bonding to the fabric 1 by each of the heads 21. ) A circular duct manufacturing device characterized in that it consists of.
According to claim 4,
A circular duct manufacturing device, characterized in that each head (21) is composed of an individual roller structure that freely rotates about a central axis.
According to claim 4,
A circular duct manufacturing device, characterized in that each head (21) has a double roller structure integrally connected to each other by a shaft (211) that is axially coupled to the central axis.
The method of claim 5 or 6,
A circular duct manufacturing device, characterized in that tooth-shaped protrusions (212) are formed at equal intervals on the outer peripheral surface of the rollers forming each head (21).

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