KR102606093B1 - A circular duct manufacturing apparatus - Google Patents

Abstract

The present invention is a table; An ultrasonic welder disposed on the upper side of the table and having an ultrasonic vibration head; a cylindrical support disposed in a lying position on the lower side of the vibrating head of the fusion machine; A welding roller rotatably disposed in a lying position within the support, with a portion exposed to the upper side of the support, and having a pair of welding heads facing the vibrating head up and down at a certain distance back and forth along the outer peripheral surface; A fusion roller driving unit that transmits rotational power to the fusion roller; a fabric feeding unit that supplies fabric at an angle between the vibrating head of the fusing machine 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 between each fusing head of the fusing roller; And a guide unit that guides the fabric to be wound around the support body in a spiral shape and moves it forward. By implementing it to include a non-woven material without using adhesives, it does not emit substances harmful to the human body such as carcinogens, as well as odor. Next, it relates to a non-woven air duct manufacturing device through ultrasonic fusion that has excellent insulation and lightweight properties and can be expected to have excellent breathability by containing LM material.

Description

Non-woven air duct manufacturing device using ultrasonic fusion {A CIRCULAR DUCT MANUFACTURING APPARATUS}

The present invention is an apparatus for manufacturing a duct for vehicle interior air conditioning. In particular, a hollow circular duct can be manufactured by spirally winding non-woven fabric (including Thinsulate) and joining it through ultrasonic fusion without using a separate adhesive, This is a technology related to a non-woven air duct manufacturing device through ultrasonic fusion that can be molded to have uniform thickness and surface by applying heat along the area between the wires in the fabric.

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 can manufacture a hollow circular duct by ultrasonic welding in a form that fixes the overlapping area of the fabric and the wire placed there while allowing the shape to be formed with the spirally wound fabric and the wire supplied thereto, and the wire is The purpose is to provide a non-woven air duct manufacturing device through ultrasonic fusion that can be molded to have uniform thickness and surface by applying heat to the spiral region of the interposed fabric.

In order to solve the above problems, the non-woven air duct manufacturing device through ultrasonic fusion according to the present invention,

table;

An ultrasonic welder disposed on the upper side of the table and having an ultrasonic vibration head;

a cylindrical support disposed in a lying position on the lower side of the vibrating head of the fusion machine;

A welding roller rotatably disposed in a lying position within the support, with a portion exposed to the upper side of the support, and having a pair of welding heads facing the vibrating head up and down at a certain distance back and forth along the outer peripheral surface;

A fusion roller driving unit that transmits rotational power to the fusion roller;

a fabric feeding unit that supplies fabric at an angle between the vibrating head of the fusing machine 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 between each fusing head of the fusing roller; 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 non-woven air duct manufacturing device through ultrasonic fusion according to the present invention,

Since it does not use adhesives, it does not contain substances harmful to the human body such as carcinogens, as well as odors, and is made of non-woven fabric, so it has excellent insulation and lightness. It also contains LM material, so it has excellent breathability.

In addition, thermoforming has the effect of improving the quality of the product by having a uniform thickness and smooth surface.

1 is a side view showing a non-woven air duct manufacturing device through ultrasonic fusion according to the present invention;
Figure 2 is a partial front view of Figure 1;
Figure 3 is a front configuration diagram showing a pair of guide units provided;
Figure 4 is a partial front view showing the roller and its tread surface;
Figure 5 is a partial enlarged diagram showing the ultrasonic fusion structure;
Figure 6 is an enlarged configuration diagram of the main part of "A" in Figure 5;
Figure 7 is a front configuration diagram showing the heating unit, support, and pressure roller;
Figure 8 is a side configuration diagram of Figure 7;
Figure 9 is a side configuration diagram of another example in Figure 7.

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 1, the direction of the pedestal located on the left of a 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 Figures 1 to 9, the non-woven fabric-type air duct manufacturing apparatus through ultrasonic fusion according to the present invention,

It is largely composed of a table (10), an ultrasonic welder (20), a support body (30), a welding roller (110), a welding roller drive unit (120), a fabric feeding unit (40), a wire feeding unit (50), and a guide unit (60). It comes true.

Looking at each configuration,

The table 10 is

As shown in Figures 1 and 2,

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.

And as shown in Figure 1, a support frame 11 is further provided on the rear upper surface.

The ultrasonic welder (20) is

As shown in Figures 1, 2, 3, 5 and 6,

It is disposed on the upper side of the table 10 and has a structure having an ultrasonic vibration head 21.

At this time, the vibrating head 21 converts the electrical signal into vibration, and passes the upper part of each fusing head 111 of the fusing roller 110, which will be described later, and moves the fabric 1 on which the wire 51 is arranged between the overlapping areas. When ultrasonic vibration is generated by the vibrating head 21 along the overlapping area of the fabric 1 with the wire 51 in between, the overlapping of each fusion head 111 and the fabric 1 adjacent to it is bonded. As heat is generated between the areas, the contact surface of the fabric (1) gradually melts and becomes heat-sealed.

Here, as the vibrating head 21 is repeatedly operated to turn on and off at regular intervals, band-shaped fusion lines 2 at regular intervals are formed, as shown in FIG. 8.

And the fusion machine 20 is supported by a support frame 11 installed on the table 10.

The support 30 is

As shown in Figures 1 to 3,

It is arranged in a lying form on the lower side of the vibrating head 21 of the fusion machine 20,

It is made of a cylindrical structure with a space 31 formed to be recessed downward in the area facing the vibrating head 21, and is mounted in front of the support frame 11 of the table 10.

The fusion roller 110 is

As shown in Figures 1 to 3, Figure 5 and Figure 6,

A pair of fusion heads are rotatably disposed in a lying position within the support 30, are partially exposed to the upper side of the support 30, and face the vibrating head 21 up and down at a certain distance back and forth along the outer circumferential surface. It consists of a roller structure with (111).

At this time, the welding roller 110 is preferably made of a metal material with high heat conductivity, and is rotatably disposed in the space 31 of the support 30 with a portion exposed to the upper side of the support 30.

The fusion roller driving unit 120 is

As shown in Figures 1 and 5,

To transmit rotational power to the fusion roller 110,

It consists of a drive shaft 121 connected to the center of the welding roller 110 and a drive motor 122 having it and fixedly installed on the support frame 11 of the table 10.

Ultimately, the welding roller 110 rotates due to the driving of the drive motor 122.

The fabric feeding unit 40 is

As shown in Figure 2,

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

A feeding plate 41 mounted on the front end of the support frame 11 of the table 10 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 2,

This is for supplying the wire 51 between the fabric 1 supplied by the fabric feeding unit 40 and the support 30 and passing between each fusion head 111 of the fusion roller 110. ,

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. positioned, and in this state, the areas on both sides of the overlapping areas with the wire 51 in between are heat-sealed by the vibrating head 21 of the welder 20 and each welding head 111 of the welding roller 110. It will happen.

The guide unit 60 is

As shown in Figures 1 to 4,

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 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 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. 2, the roller drive unit 63 includes a driven sprocket 631 axially coupled to the axis of each roller 62, and a guide drive motor 632 installed on the table 10 and having a drive shaft. It consists of a drive sprocket 633 axially coupled to the drive shaft of the guide drive motor 632, and a belt 634 connecting the drive sprocket 633 and the driven sprocket 631 to each other. 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 roller 62 to rotate.

Here, as shown in FIG. 4, a spiral tread portion 621 that comes into contact with the fabric 1 is formed on the outer peripheral surface of each roller 62, and this tread portion 621 is formed on the fabric wound around the support 30. It plays the role of gradually moving (1) to the front. In other words, when the roller 62 rotates in a state where 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 apparatus for manufacturing a non-woven air duct through ultrasonic fusion according to the present invention further includes a heating unit 70, a support 80, and a pressure roller 90.

The heating unit 70 is

As shown in Figures 7 to 9,

It is used to heat the spiral area between the wires 51 in the fabric 1 where the wires 51 are wound in a spiral shape,

A heating base 71 disposed on the upper side of the fabric 1, and

Two or more heating heads 72 disposed on the heating base 71 and in contact with a portion of the spiral area of the fabric 1.

It is made including.

At this time, the heating base 71 is disposed on the upper side of the fabric 1 that is wound in a spiral shape, and is fixed to the post 132 of the lifting unit 130 to be described later by a separate relay member (L). You can.

And, as shown in Figures 7 and 8, each heating head 72 is provided on the lower side of the heating base 71 so as to contact a certain section in the spiral region of the fabric 1, in this case 'some section' This means a part of the area located on the upper side of the spiral area of the fabric (1). In addition, each heating head 72 consists of a heating element that generates heat by external power supply.

Ultimately, each heating head 72 comes into contact with the spiral area of the fabric 1 that moves forward while being rotated by the guide unit 60, thereby forming the fabric 1 by applying heat.

Meanwhile, as shown in FIGS. 8 and 9, the heating unit 70 includes a blocking guide that blocks heat conduction by spaced apart from the area where the wire 51 is located among the areas in contact with the fabric 1 in the heating base 71. (73) is further provided. The blocking guide 73 has an arc-shaped spatial structure and functions to block the heat generated from each heating head 72 from being conducted toward the wire 51.

The support 80 is

As shown in Figures 7 to 9,

To support the fabric (1) when heating the spiral region of the fabric (1) by the heating unit (70),

It has a hemispherical block structure to support the opposite side of the fabric 1 heated by the heating unit 70.

At this time, the support 80 can be fixedly mounted on the front of the support 30 when located on the inner side of the fabric 1 as shown in FIG. 8, and on the outer side of the fabric 1 as shown in FIG. 9. When located, it can be fixedly mounted on the post 132 of the lifting unit 130, which will be described later, by a separate relay member (L).

And the support 80 is provided with an idle roller 81 for friction reduction that faces a pressure roller 90, which will be described later, with the fabric 1 interposed therebetween. The idle roller 81 is provided with the pressure roller 90. ) may be the same roller structure as that of ), or may be a normal bearing structure. Ultimately, the idle roller 81 supports the side opposite to the side of the fabric 1 to be pressed by the pressure roller 90.

The pressure roller 90 is

As shown in Figures 7 to 9,

It is arranged to face the support 80 with the fabric 1 in between,

One heating head 72 is made up of two divided powders and has a roller structure mounted on the heating base 71 so that it can be rotated in the space between the two powders. The pressure roller 90 of this roller structure presses the spiral area of the fabric 1 with a certain force, helping to form a uniform surface while maintaining the molded thickness of the fabric 1 constant. do.

And as shown in FIG. 7, the pressure roller 90 can be forcibly rotated by the pressure roller drive unit 100. For this, the pressure roller drive unit 100 is a driven member coupled to the axis of the pressure roller 90. It may be composed of a gear 101 and a roller drive motor 103 having a drive gear 102 that meshes with the driven gear 101. Through this, the pressure roller 90 can be forcibly rotated to rotate the fabric 1 together with the guide unit 60.

Meanwhile, as shown in FIG. 9, the heating unit 70 is disposed on the inner side of the fabric 1 while the fabric 1 is wound in a spiral shape by the guide unit 60, and the fabric 1 The support 80 may be disposed on the outer side of .

Meanwhile, the apparatus for manufacturing a non-woven air duct through ultrasonic fusion according to the present invention further includes a lifting unit 130,

The lifting unit 130 is

As shown in Figures 1 and 5,

A slider 131 connected to the fusion splicer 20,

A post 132 installed on the upper part of the support frame 11,

A shaft 133 is disposed in a rotatable standing form on the post 132 and is spirally coupled to the end of the slider 131,

A handle 134 coupled to the top of the shaft 133, and

A rail 135 is disposed in an upright position on the post 132 and guides the upward and downward linear movement of the slider 131.

It is made including.

Ultimately, when operating the handle 134, it is possible to adjust the height and height of the fusion machine 20 according to the thickness or material of the supplied fabric 1.

In the air duct manufacturing device using non-woven fabric according to the present invention consisting of the above configuration, one side or the other side of the fabric (1) contains LM (LOW MELTING FIBER) material for breathability, and the content ratio of the LM material is 10 to 50%. It is a technical feature.

In the above description of the present invention, the "non-woven air duct manufacturing device through ultrasonic fusion" having a specific shape and structure has 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. Such modifications and changes should be construed as falling within the scope of protection of the present invention.

1: Fabric
2: Fusion line
10: table
11: Support frame
20: Ultrasonic fusion machine
21: Vibrating head
30: support
31: space part
40: Fabric feeding unit
41: Feeding plate
42: fence
50: wire feeding unit
51: wire
52: Feeding pipe
60: Guide unit
61: stand
62: roller
621: face part
63: roller driving part
631: Driven sprocket
632: Guide driving motor
633: Drive sprocket
634 : belt
70: Heating unit
71: Heating base
72: Heating head
73: Blocking guide
80: Support
81: Idle roller
90: Pressure roller
100: Pressure roller driving part
101: driven gear
102: driving gear
103: Roller drive motor
110: Fusion roller
111: Fusion head
120: Fusion roller driving part
121: drive shaft
122: driving motor
130: Elevating unit
131: slider
132: post
133: shaft
134: handle
135: rail

Claims (7)

table(10);
An ultrasonic welder (20) disposed on the upper side of the table (10) and having an ultrasonic vibration head (21);
A cylindrical support body (30) disposed in a lying position on the lower side of the vibrating head (21) of the fusing machine (20);
A pair of fusion heads are rotatably disposed in a lying position within the support 30, are partially exposed to the upper side of the support 30, and face the vibrating head 21 up and down at a certain distance back and forth along the outer circumferential surface. A fusion roller (110) having (111);
A fusion roller driving unit 120 that transmits rotational power to the fusion roller 110;
a fabric feeding unit 40 that supplies fabric 1 at an angle between the vibrating head 21 of the fusing machine 20 and the support 30;
Wire feeding supplies a wire 51 between the fabric 1 supplied by the fabric feeding unit 40 and the support 30 and passes between each fusion head 111 of the fusion roller 110. 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;
Including,
The fusion machine 20 is supported by a support frame 11 installed on the table 10,
A slider 131 connected to the fusion splicer 20, a post 132 installed on the upper part of the support frame 11, and the slider are arranged in a rotatable standing form on the post 132. A shaft 133 helically coupled to the end of the shaft 131, a handle 134 coupled to the top of the shaft 133, and a handle 134 disposed in an upright position on the post 132 to move the upper and lower sides of the slider 131. It consists of a rail 135 that guides linear movement, and further includes an elevating unit 130 that allows the up and down height of the fusion splicer 20 to be adjusted when the handle 134 is operated,
A heating unit 70 that heats the spiral region of the fabric 1 with the wire 51 wound in a spiral shape with the wire 51 interposed therebetween, and heating the spiral region of the fabric 1 by the heating unit 70. Through ultrasonic fusion, characterized in that it further comprises a support 80 supporting the fabric 1, and a pressure roller 90 disposed to face the support 80 with the fabric 1 in between. Non-woven air duct manufacturing equipment.
delete delete According to claim 1,
The support 80 is equipped with an idle roller 81 for friction reduction that faces the pressure roller 90 with the fabric 1 in between. A non-woven fabric-type air duct manufacturing device through ultrasonic fusion, characterized in that .
According to claim 4,
The heating unit 70 includes a heating base 71 disposed on the upper side of the fabric 1, and two or more heating heads disposed on the heating base 71 and in contact with a portion of the spiral region of the fabric 1. (72) and a blocking guide (73) that blocks heat conduction by spaced apart the area where the wire (51) is located among the areas in contact with the fabric (1) in the heating base (71) through ultrasonic fusion. Non-woven air duct manufacturing equipment.
The method according to any one of claims 1 or 4 or 5,
The heating unit 70 is disposed on the inner side of the fabric 1 while the fabric 1 is wound in a spiral shape by the guide unit 60, and the support 80 is placed on the outer side of the fabric 1. A non-woven air duct manufacturing device through ultrasonic welding, characterized in that a is disposed.
The method according to any one of claims 1 or 4 or 5,
One side or the other side of the fabric (1) contains LM (LOW MELTING FIBER) material for breathability, and the content ratio of the LM material is 10 to 50%. A non-woven air duct manufacturing device through ultrasonic fusion.

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