KR102147369B1 - Facility for manufacturing the composite pole - Google Patents

Abstract

According to one aspect of the present invention, a device for manufacturing a composite material pole, capable of performing high-speed production, includes: a mandrel; a horizontal base guide spaced apart from the mandrel, and extending in an axial direction of the mandrel; a carriage moving forward or rearward along the horizontal base guide; a fiber transfer device fixed to the carriage, and configured to move glass fiber filaments introduced from glass fiber bobbins to the mandrel; a resin bath fixed to the carriage, located between the fiber transfer device and the glass fiber bobbins or between the fiber transfer device and the mandrel, and configured to impregnate the glass fiber filaments supplied to the mandrel with a resin so that the glass fiber filaments are wound around the mandrel while being impregnated with the resin; and a control device for controlling a fiber speed of the glass fiber filaments supplied to the mandrel in association with a rotation speed of the mandrel. Therefore, the composite material pole is produced at a high speed and a low cost.

Description

Equipment for manufacturing the composite pole {Facility for manufacturing the composite pole}

The present invention relates to an apparatus for manufacturing a composite material pole, and more particularly, to an apparatus for manufacturing a composite material pole capable of high-speed production.

There are three production methods for composite poles (eg power poles). A method of centrifugal casting using woven glass fiber fabric, glass fiber roving, non-woven fabric and resin, and woven glass fiber fabric, glass fiber roving, and mold using non-woven fabric and resin. ) And pultrusion, and filament winding, which is made by winding on a mandrel while impregnating a resin in a glass fiber roving.

In the conventional filament-winding composite power pole production method, the glass fiber roving is firstly wound on a mandrel and then cured, and secondly, it is wound with non-woven fabric and resin to add color, and then cured again. , Thirdly, UV shielding material is applied and cured for UV protection. In addition, as another method, the fiberglass roving and the fiberglass fabric are mixed in an appropriate ratio on the mandrel, and wound and cured while impregnating the resin.

Since these methods involve various types of glass fibers and complex processes, problems such as an increase in the price of raw materials and a decrease in productivity occur. Therefore, there is a fatal disadvantage that it is impossible to produce a composite material power pole at a competitive price in a market that competes with the existing concrete or steel pipe power poles.

Worldwide, the price of composite power poles is sold at 2.5 to 3 times the price of concrete power poles, but the long life of composite power poles (concrete power poles have a lifetime of 30 years, but composite power poles are 80 years in total. Have a longevity) in the United States. Although it is expensive in advanced economies such as Canada and Korea, it is used by national standards based on the priority of quality and performance.

Korean Patent Registration No. 10-0270090

An object of the present invention is to provide an apparatus for manufacturing a composite material pole capable of high-speed production.

An apparatus for manufacturing a composite material pole capable of high-speed production according to an aspect of the present invention includes a mandrel, a horizontal base guide spaced apart from the mandrel and extending along the axial direction of the mandrel, and moving forward or backward along the horizontal base guide. And a fiber conveying device fixed to the carriage and moving glass fiber filaments introduced from the glass fiber bobbins to the mandrel, and a fiber conveying device fixed to the carriage, between the fiber conveying device and the glass fiber bobbins or the A resin bath located between the fiber conveying device and the mandrel and impregnating the glass fiber filaments supplied to the mandrel with a resin, so that the glass fiber filaments are impregnated with the resin and wound around the mandrel. ), and a control device for adjusting the fiber speed of the glass fiber filaments supplied to the mandrel in connection with the rotational speed of the mandrel.

According to another aspect of the present invention, an apparatus for manufacturing a composite material pole capable of high-speed production includes a rotating mandrel, a horizontal base guide spaced apart from the mandrel and extending along an axial direction of the mandrel, and advance along the horizontal base guide. Or a carriage moving backward, a fiber conveying device fixed to the carriage and moving glass fiber filaments introduced from the glass fiber bobbins to the mandrel, and fixed to the carriage, between the fiber conveying device and the glass fiber bobbins Or a resin bath positioned between the fiber conveying device and the mandrel, and impregnating the glass fiber filaments supplied to the mandrel with a resin so that the glass fiber filaments are impregnated with the resin and wound around the mandrel ( resin bath), and the fiber speed of the glass fiber filaments supplied to the mandrel is controlled in conjunction with the rotational speed of the mandrel.

In the present invention, the fiber conveying device comprises: a first driving roller and a second driving roller disposed horizontally and spaced apart from each other along the supply direction of the glass fiber filaments, and the first driving roller and the second driving roller Including a pressure roller located at the top of, one or both of the first driving roller and the second driving roller are rotated by a driving source, and the pressure roller may be an idle roller that can be positioned in the vertical direction. .

In addition, in the present invention, the manufacturing apparatus is fixed to the carriage, and is fixed to the carriage and an eye rotation for adjusting so that the glass fiber filaments soaked in the resin are wound around the mandrel at a set angle, and After the glass fiber filaments impregnated with the resin are wound on the mandrel, an ultraviolet shielding sheet supply device for supplying the ultraviolet shielding sheets to the mandrel again in a spiral direction, and the carriage. It is fixed, but is located opposite to the magnetic wire shielding sheet supply device with the eye rotation interposed therebetween, and after the UV shielding sheets are wound, the release film is wound in a spiral direction again on the mandrel. It may further include a release film supply device for supplying the release film.

In addition, in the present invention, two or more of the mandrels are arranged in the vertical direction, and are fixed to the carriage so as to correspond to the respective mandrels, and the glass fiber filaments impregnated with the resin are set the same for each mandrel. It may include eye rotations that adjust the angle and the same position to be wound at the same time.

The apparatus for manufacturing a composite material pole of the present invention enables high-speed winding of 50m/min or more of the fiberglass roving yarn speed.

In addition, the apparatus for manufacturing the composite pole can inexpensively manufacture the composite pole using only glass fiber filaments.

In addition, in the case of using the apparatus for manufacturing a composite material pole, since the composite material pole can be produced only by performing one curing process, the production time and production cost are lowered.

In addition, the outer shape of the composite material pole manufactured by the composite material pole manufacturing apparatus has a beautiful appearance because a spiral at regular intervals is formed in the circumferential direction of the composite material pole due to the traces of the removed release film.

1 is a schematic configuration diagram of an apparatus for manufacturing a composite material pole according to an embodiment of the present invention.
FIG. 2 is a schematic plan configuration diagram showing a configuration between a mandrel, a horizontal base guide, and a carriage in the apparatus for manufacturing a composite material pole shown in FIG. 1.
3 is a schematic side configuration diagram of the fiber feeding device shown in FIG. 1.
4 is a schematic plan view of the fiber supply device shown in FIG. 3.
5 is a schematic longitudinal sectional view of a composite material power pole before curing that is molded with the apparatus for manufacturing a composite material pole shown in FIG.
6 is a schematic side view showing a state in which the release film is wound in a spiral direction in FIG. 5.
7 is a photograph showing the elegant appearance of a composite material power pole manufactured by manufacturing and leaving the composite material pole shown in FIG. 1.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

The apparatus for manufacturing a composite material pole (hereinafter, referred to as “manufacturing apparatus”) 100 according to an embodiment of the present invention manufactures a composite material pole, but the present invention is not limited thereto.

1 and 2, the manufacturing apparatus 100 includes mandrels 191 and 192, a horizontal base guide 155, a carriage 150, a fiber conveying device 140, a resin bath 130, and It includes a control device (not shown).

The mandrels 191 and 192 have a cylindrical structure and are rotated by a motor (not shown). Two of the mandrels 191 and 192 are spaced apart from each other in the same structure along the vertical direction, and rotate at the same rotational speed. In this case, the mandrels 191 and 192 rotate while their position is fixed to the structure, but the mandrels 191 and 192 may rotate forward or backward along the axial direction at the same time. The number of the mandrel is two, but may be variously selected as one or three or more.

The horizontal base guide 155 is spaced forward from the side surfaces of the mandrels 191 and 192. The position of the horizontal base guide 155 is fixed and extends to the same width along the axial direction of the mandrels 191 and 192. The distance between the horizontal base guide 155 and the side surfaces of the mandrels 191 and 192 is kept constant.

The carriage 150 performs a linear motion forward or backward along the horizontal base guide 155. That is, the carriage 150 is movable along the axial direction of the mandrels 191 and 192. The carriage 150 is provided with the fiber transfer device 140 and the resin bath 130, so that the fiber transfer device 140 and the resin bath 130 together with the movement of the carriage 150 Move.

The fiber transfer device 140 performs a function of moving the glass fiber filaments 112 introduced from the glass fiber bobbins 111 of the glass fiber supply device 110 to the mandrels 191 and 192. A pair of combs 120 are disposed between the glass fiber bobbins 111 and the fiber conveying device 140. One comb 122 is installed on the carriage 150, and the other comb 121 is also disposed near the fiberglass bobbins 111. The combs 121 and 122 function to prevent the strands of the glass fiber filaments 112 from sticking to each other.

3 and 4, the fiber conveying device 140 includes a first driving roller 141, a second driving roller 142, a compaction roller 143, and guide rollers 144 and 145. , A drive motor 147 and a power transmission mechanism 148. The first driving roller 141 and the second driving roller 142 are disposed to be horizontally spaced apart from each other along the supply direction of the glass fiber filaments 112. The pressure roller 143 is located at an upper center of the first driving roller 141 and the second driving roller 142. Accordingly, the first driving roller 141, the second driving roller 142, and the pressure roller 143 have an isosceles triangle (especially, an equilateral triangle) structure.

The driving motor 147 rotates the first driving roller 141 and the second driving roller 142. The power transmission mechanism 148 is connected to the driving motor 147, so that the rotational force of the driving motor 147 is converted into the rotational force of the first driving roller 141 and the second driving roller 142. . The power transmission mechanism 148 may be selected from various known power transmission mechanisms such as a gear mechanism and a belt/pulley mechanism.

The pressure roller 143 is an idle roller that can be positioned in the vertical direction. The vertical position of the pressure roller 143 is the tension of the glass fiber filaments 112 transferred between the first driving roller 141, the second driving roller 142, and the pressing roller 143 However, it is determined by the fiber speed of the glass fiber filaments 112, and at this time, the force to press the pressure roller 143 is also determined.

The guide rollers 144 and 145 are disposed with the pressure roller 143 interposed therebetween to guide the tension or supply direction of the supplied glass fiber filaments 112.

The resin bath (130) is located between the fiber conveying device 140 and the mandrel (191, 192), and is supplied to the mandrel (191, 192) to the glass fiber filaments 112 The resin is impregnated. However, the resin bath 130 may be located between the fiber conveying device 140 and the glass fiber bobbins 111.

The glass fiber filaments 112 are made of glass fiber filaments 114 that pass through the resin bath 130 and are impregnated with resin, and are wound around the mandrel at a set angle by eye rotations 160. Adjusted to lose. Two eye rotations are arranged to correspond to the two mandrels 191 and 192. Accordingly, the resin-impregnated glass fiber filaments 114 are wound on the two mandrels 191 and 192 at the same time. The winding angle may be set in various ways, and in this embodiment, the resin-impregnated glass fiber filaments 114 are alternately wound with each other at 45 degrees -45 degrees, so that a basic structure layer (L1) To form. After that, the resin-impregnated glass fiber filaments 114 are wound close to 90 degrees to form a flap shape layer (L2) (see FIG. 5).

The control device (not shown) adjusts the fiber speed of the glass fiber filaments 112 supplied to the mandrels 191 and 192 in conjunction with the number of rotations of the mandrels 191 and 192. . Conventionally, the glass fiber filaments are supplied by the rotational force of the mandrel. Therefore, after the glass fiber filaments are impregnated with resin, it becomes very difficult to transfer the resin-impregnated glass fiber filaments, so that excessive tension is applied to the resin-impregnated glass fiber filaments, causing a problem of cutting, or There is a problem that sufficient resin impregnation into the filaments is difficult. In addition, there is a problem that static electricity is largely generated. In particular, when the resin-impregnated glass fiber filaments are wound on two or more mandrels, there is a problem that control becomes more difficult.

However, in this embodiment, when the number of rotations of the mandrels 191 and 192 is increased, the number of rotations of the driving motor 147 is increased, so that the first driving roller 141 and the second driving roller 142 ) To increase the number of revolutions. Accordingly, the feeding speed of the glass fiber filaments 112 of the fiber conveying device 140 is increased. In particular, the surface rotation speed of the first driving roller 141 and the second driving roller 142 is a state in which the surface of the mandrel 191 and 192 (or the resin-impregnated glass fiber filaments 114 are wound) The rotation speed on the back side and the outer surface) is kept below 0.5% to 1.5%. That is, the glass fiber filaments 112 make a very weak slip motion in the first driving roller 141 and the second driving roller 142, thereby reducing the tension of the glass fiber filaments 112. Keep

In the above, the control device (not shown) operates by interlocking the mandrels 191 and 192 and the driving motor 147, but the present invention is not limited thereto. That is, a device for controlling the mandrels 191 and 192 and a device for controlling the drive motor 147 are independently installed, and a device for controlling the mandrels 191 and 192 by an operator and the drive motor 147 It is also possible to adjust the set value of the other control device in conjunction with the set value of any one of the devices that control the.

An ultraviolet shielding sheet supply device 170 is installed on the carriage. The ultraviolet shielding sheet supply device 170, after the basic structure layer (L1) is formed on the mandrel (191, 192), performs a function of winding the ultraviolet shielding sheet (175) in the spiral direction again on the mandrel do. In this embodiment, the ultraviolet shielding sheet 175 is in a state in which an ultraviolet shielding material and a resin are impregnated in a nonwoven fabric and wound on a roller, and is wound in a spiral direction on the mandrel (see FIG. 5). Two of the ultraviolet shielding sheet supply devices 170 are provided to correspond to the mandrels 191 and 192, but the present invention is not limited thereto. In addition, the material of the ultraviolet shielding sheet 175 is not limited to the above.

A release film supply device 180 is fixed to the carriage. The release film supply device 180 is located on the opposite side of the chair wire shielding sheet supply device 170 with the eye rotation 160 therebetween. The release film supply device 180, after the UV shielding layer L3 is formed by the UV shielding sheets 175, winding the release film 185 on the mandrels 191 and 192 in a spiral direction. It performs the function of forming the release film layer (L4) (see Fig. 5). Since the release film 185 has a smooth surface, when removed after the curing process, a spiral appearance is formed along the circumferential direction as traces of the release film on the surface. Therefore, the appearance of the composite material power pole can have a beautiful shape (see FIG. 7). Two of the release film supply devices 180 are installed to correspond to the mandrels 191 and 192, but the present invention is not limited thereto. In addition, the material of the release film 185 is not limited to the above.

A method of manufacturing a composite material power pole using the manufacturing apparatus 100 is as follows.

First, the mandrel (191, 192) is rotated, and the fiber conveying device (140) is operated in connection with the mandrel (191, 192), and the basic structure layer (L1) is applied to the two mandrels (191, 192). ) At the same time. A surface layer L2 is formed on the basic structure layer L1 by adjusting the eye rotations 160 while reciprocating the carriage 150. In a state in which the curing process is not performed, the ultraviolet shielding sheet 175 is wound on the surface layer L2 in a spiral direction to form the ultraviolet shielding layer L3. Thereafter, the release film 185 is wound on the ultraviolet shielding layer L3 to form a release film layer L4.

The release film 185 is heated to a temperature at which it does not melt to perform a curing process. After that, the release film 185 is removed to complete the composite material power pole.

The present invention has been described with reference to the embodiments shown in the drawings, but these are merely exemplary, and those of ordinary skill in the art will appreciate that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical scope of the present invention should be determined by the technical spirit of the appended claims.

100: manufacturing apparatus of composite material pole 110: glass fiber supply apparatus
120: comb 130: resin bath
140: fiber conveying device 150: carriage
155: horizontal base guide 160: eye rotation
170: UV shielding sheet supply device
180: release film supply device
191, 192: mandrel

Claims (5)

Rotating mandrel;
A horizontal base guide spaced apart from the mandrel and extending along the axial direction of the mandrel;
A carriage moving forward or backward along the horizontal base guide;
A fiber transfer device fixed to the carriage and moving glass fiber filaments introduced from the glass fiber bobbins to the mandrel;
It is fixed to the carriage, is located between the fiber conveying device and the glass fiber bobbins or between the fiber conveying device and the mandrel, by impregnating the glass fiber filaments supplied to the mandrel with a resin, the glass fiber filaments A resin bath to be wound around the mandrel while they are impregnated with the resin; And
In conjunction with the rotational speed of the mandrel, comprising a control device for adjusting the fiber speed (fiber speed) of the fiberglass filaments supplied to the mandrel,
The fiber conveying device,
A first driving roller and a second driving roller that are horizontally spaced apart from each other along the supply direction of the glass fiber filaments;
It includes a pressure roller positioned above the first driving roller and the second driving roller,
One or both of the first driving roller and the second driving roller are rotated by a driving source, and are driven in conjunction with the number of rotations of the mandrel,
The pressure roller is an idle roller position adjustable along the vertical direction,
Surface rotation speed of the first driving roller and the second driving roller is maintained 0.5% to 1.5% lower than the surface rotation speed of the mandrel, the glass fiber filaments are the first driving roller and the second driving roller The apparatus for manufacturing a composite material pole in which the tension of the glass fiber filaments is maintained by performing a slip motion between the and the pressure roller. Rotating mandrel;
A horizontal base guide spaced apart from the mandrel and extending along the axial direction of the mandrel;
A carriage moving forward or backward along the horizontal base guide;
A fiber transfer device fixed to the carriage and moving glass fiber filaments introduced from the glass fiber bobbins to the mandrel; And
It is fixed to the carriage, is located between the fiber conveying device and the glass fiber bobbins or between the fiber conveying device and the mandrel, by impregnating the glass fiber filaments supplied to the mandrel with a resin, the glass fiber filaments It includes a resin bath (resin bath) to be wound around the mandrel in a state impregnated with the resin,
In conjunction with the number of rotations of the mandrel, the fiber speed of the glass fiber filaments supplied to the mandrel is adjusted,
The fiber conveying device,
A first driving roller and a second driving roller that are horizontally spaced apart from each other along the supply direction of the glass fiber filaments;
It includes a pressure roller positioned above the first driving roller and the second driving roller,
One or both of the first driving roller and the second driving roller are rotated by a driving source, and are driven in conjunction with the number of rotations of the mandrel,
The pressure roller is an idle roller position adjustable along the vertical direction,
Surface rotation speed of the first driving roller and the second driving roller is maintained 0.5% to 1.5% lower than the surface rotation speed of the mandrel, the glass fiber filaments are the first driving roller and the second driving roller The apparatus for manufacturing a composite material pole in which the tension of the glass fiber filaments is maintained by performing a slip motion between the and the pressure roller. delete The method according to claim 1 or 2,
An eye rotation fixed to the carriage and adjusting the glass fiber filaments soaked in the resin to be wound around the mandrel at a set angle;
An ultraviolet shielding sheet supply device that is fixed to the carriage and supplies the ultraviolet shielding sheets in order to wind the ultraviolet shielding sheet to the mandrel in a spiral direction after the glass fiber filaments impregnated with the resin are wound on the mandrel. ; And
It is fixed to the carriage, and is located opposite to the magnetic wire shielding sheet supply device with the eye rotation interposed therebetween, and after the ultraviolet shielding sheets are wound, the release film is re-held on the mandrel. Further comprising a release film supply device for supplying the release film for winding into,
The UV shielding sheet supply device and the release film supply device are operated before a curing process is performed on the resin-impregnated glass fiber filaments wound around the mandrel. The method according to claim 1 or 2,
Two or more mandrels are arranged along the vertical direction,
A composite material comprising eye rotations fixed to the carriage so as to correspond to each mandrel, and adjusting the glass fiber filaments impregnated with the resin to be wound at the same setting angle and the same position on each mandrel at the same time Pole manufacturing apparatus.

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