KR102385913B1 - Composite FRP support Manufacturing Equipment - Google Patents

Abstract

Provided is an apparatus for manufacturing a composite fiber-reinforced polymer (FRP) support. The apparatus for manufacturing a composite FRP support comprises: a base fiber-supplying unit supplying a base fiber from a plurality of bobbins around which the base fiber is wound; and a support-manufacturing unit including an alignment module which aligns the base fiber supplied from the base fiber-supplying unit, an impregnation tank accommodating a thermoplastic resin therein, and a support-manufacturing module which produces a base rod by agglomerating a plurality of base fibers impregnated with the thermoplastic resin, and which allows a rib pattern to be formed on a surface of the base rod.

Description

Composite FRP Support Manufacturing Equipment

The present invention relates to an apparatus for manufacturing a composite FRP support, and more particularly, to an apparatus for manufacturing a composite FRP support that replaces a photovoltaic steel structure support and replaces a reinforcing bar in a concrete steel structure.

Rebar-concrete structures, which account for more than 70% of Korea's major infrastructure structures, are exposed to various corrosive environments, so frequent maintenance is carried out due to corrosion of rebars, and it is identified as the main cause of shortening the lifespan of rebar-concrete structures. there is.

Corrosion of reinforcing bars in concrete adversely affects the safety of rebar-concrete structures due to reduction of internal load force due to loss of cross section of rebar, and lowering of adhesion due to damage to reinforcing bar nodes.

In addition, the volume of the rebar expands, and the expansion pressure induces stress in the surrounding concrete, causing cracks in the concrete cover. When cracks occur, the supply of oxygen or moisture is facilitated, which further promotes corrosion of the reinforcing bars, so that the cracks develop further. In addition, this process worsens as it experiences freezing and thawing in winter, and the durability life of the reinforced concrete structure is significantly reduced due to the falling off of the covered concrete and poor aesthetics.

This phenomenon is particularly noticeable in port facilities directly exposed to the marine environment, and maintenance costs are rapidly increasing due to aging and deterioration. It has been investigated that the average annual maintenance cost of about 140 billion won is executed due to deterioration and damage to port facilities such as corrosion of reinforcing bars.

Attempts to fundamentally solve the problem of corrosion of reinforcing bars in rebar-concrete structures are being actively studied in Japan, Europe, Canada, and the United States, and the use of FRP composite materials is strongly emerging as an alternative.

As a substitute for reinforcing bars, it is necessary to develop technologies to secure high durability of structures, extend their lifespan, and reduce future maintenance costs by applying FRP non-corrosive supports (FRP bars), which have better performance than existing steel bars, to structure construction.

One technical problem to be solved by the present invention is to provide an apparatus for manufacturing a composite FRP support capable of improving the durability of a concrete structure in which the support is constructed.

Another technical problem to be solved by the present invention is to provide an apparatus for manufacturing a composite FRP support having an improved production rate.

Another technical problem to be solved by the present invention is to provide an apparatus for manufacturing a composite FRP support with improved continuous productivity.

Another technical problem to be solved by the present invention is to provide an apparatus for manufacturing a composite FRP support with improved mass productivity.

Another technical problem to be solved by the present invention is to provide an apparatus for manufacturing a composite FRP support that can provide patterns of various shapes in a continuous process to improve adhesion with concrete.

Another technical problem to be solved by the present invention is to provide an apparatus for manufacturing a composite FRP support that can be used in a reinforced concrete structure, a solar support in a marine environment, an offshore plant, and a port facility.

The technical problem to be solved by the present invention is not limited to the above.

In order to solve the above technical problems, the present invention provides an apparatus for manufacturing a composite FRP support.

According to one embodiment, the composite FRP support manufacturing apparatus is an alignment module for aligning the base fiber provided from a plurality of bobbins around which the base fiber is wound, a base fiber supply unit for supplying the base fiber, and the base fiber supply unit, a thermoplastic It may include an impregnation tank in which a resin is accommodated, and a support manufacturing unit including a support manufacturing module for manufacturing a base rod by bundling the plurality of base fibers impregnated with the thermoplastic resin, and forming a rib pattern on the surface of the base rod. .

According to an embodiment, the support manufacturing module may include first and second base rod makers for manufacturing the base rod by bundling the plurality of base fibers impregnated in the thermoplastic resin, and a master mold including a master pattern. It may include a rib pattern maker for forming a rib pattern having a reverse phase of the master pattern on a surface of the base rod by applying a pressure to the base rod.

According to an embodiment, the base rod may include heat treatment before pressure is applied through the master mold.

According to one embodiment, the master pattern includes a concave portion and a convex portion,

When pressure is applied to the base rod through the master mold, a convex portion corresponding to the concave portion of the master pattern and a concave portion corresponding to the convex portion of the master pattern are formed on the surface of the base rod, and the rib It may include forming a pattern.

According to an embodiment, the master mold includes an upper wheel master mold and a lower wheel master mold disposed to face the upper wheel master mold, wherein the upper wheel master mold and the lower wheel master mold are arranged in a first direction axially rotated clockwise or counterclockwise, wherein the base rod is provided between the rotating upper wheel master mold and the lower wheel master mold, so that by rotation of the upper wheel master mold and the lower wheel master mold, the It may include applying pressure to the base rod.

According to an embodiment, the master mold includes an upper press mold and a lower press mold disposed to face the upper press mold, and the base rod is disposed between the upper press mold and the lower press mold, wherein the With the base rod interposed therebetween, the upper press mold and the lower press mold are moved so as to be in contact with each other, and pressure is applied to the base rod.

According to an embodiment, the first and second base rod manufacturers each include an upper wheel mold and a lower wheel mold disposed to face the upper wheel mold, wherein the upper wheel mold and the lower wheel mold are Rotating clockwise or counterclockwise about one axis, the plurality of base fibers are provided between the rotating upper wheel mold and the lower wheel mold, and the pressure of the rotating upper wheel mold and the lower wheel mold It may include that the plurality of base fibers are agglomerated by the base rod is manufactured.

According to an embodiment, the distance between the upper wheel mold and the lower wheel mold of the second base rod maker is shorter than the distance between the upper wheel mold and the lower wheel mold of the first base rod maker, and the thermoplastic The plurality of base fibers impregnated in the resin may include being provided to the second base rod maker after being provided to the first base rod maker.

According to an embodiment, the alignment module includes first to fourth alignment rollers disposed to be spaced apart from each other, and the plurality of base fibers supplied from the base fiber supply unit sequentially apply the first to fourth alignment rollers. is aligned by roughing, wherein the first and third alignment rollers are positioned relatively low compared to the second and fourth alignment rollers, so that the base fibers zig-zag the first to fourth alignment rollers. ) may include winding in the form.

According to an embodiment, each of the first and third alignment rollers may include linear reciprocating motion along a longitudinal direction of the first and third alignment rollers.

According to another embodiment, the composite FRP support manufacturing apparatus provides the base rod from a first base rod maker, the first base rod maker for manufacturing a base rod having a diameter of a first size by bundling a plurality of base fibers A second base rod maker for reducing the diameter of the base rod to a second size smaller than the first size, and a master mold including a master pattern to apply pressure to the base rod provided from the second base rod maker By applying, it may include a rib pattern maker for forming a rib pattern having a reverse phase of the master pattern on the surface of the base rod.

According to another embodiment, the rib pattern maker includes an upper master mold including an upper master pattern and a lower master mold including a lower master pattern, and is applied to the base rod through the upper master mold and the upper lower master mold. The pressure may be applied to form a first rib pattern having an inverse phase of the upper master pattern and a second rib pattern having an inverse phase of the lower master pattern on a surface of the base rod.

According to another embodiment, the shape of the upper master pattern and the lower master pattern may be different from each other, and the shapes of the first rib pattern and the second rib pattern may be different from each other.

An apparatus for manufacturing a composite FRP support according to a first embodiment of the present invention includes an alignment module for aligning the base fiber provided from a plurality of bobbins around which the base fiber is wound, a base fiber supply unit for supplying the base fiber, and the base fiber supply unit, A support manufacturing unit comprising an impregnation tank in which a thermoplastic resin is accommodated, and a support manufacturing module for manufacturing a base rod by bundling the plurality of base fibers impregnated in the thermoplastic resin, and forming a rib pattern on the surface of the base rod. there is.

Accordingly, the composite FRP support manufactured by the apparatus for manufacturing the composite FRP support includes the base rod including the plurality of base fibers and the thermoplastic resin provided to the plurality of base fibers, on the surface of the base rod. The rib pattern is provided, wherein the rib pattern may include convex portions and concave portions defined by a surface profile of the base rod comprising a plurality of the base fibers and the thermoplastic resin.

Due to this, the composite FRP support is significantly reduced in the separation of the rib pattern from the base rod, the adhesion with the concrete through the rib pattern is improved, and the durability of the concrete structure in which the composite FRP support is constructed is improved can be

In addition, since the shape of the composite FRP support can be easily formed at the construction site by a simple method of bending after heat treatment, the convenience of use and application efficiency in the field can be significantly improved.

In addition, since it can be formed through a simple process of applying pressure through the master mold including the master pattern, the production speed and continuous productivity are improved, so that it can be easily applied to a mass production process.

1 is a perspective view of a composite FRP support manufacturing apparatus according to a first embodiment of the present invention.
Figure 2 is a view for explaining the base fiber supply and the first alignment module included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
Figure 3 is a view for explaining the second alignment module included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
4 and 5 are views for explaining the impregnation tank and the thermoplastic resin supply module included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
6 is a view for explaining the support manufacturing module included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
7 is a perspective view of the first base rod manufacturing apparatus included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
8 is a front view of the first base rod manufacturing machine included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
9 is a perspective view of the second and third base rod manufacturers included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
10 is a view for explaining an upper wheel mold and a lower wheel mold of the first to third base rod manufacturers included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
11 is a view for explaining a change in the diameter of the base rod manufactured through the first to third base rod manufacturing machine included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
12 is a perspective view of a rib pattern maker included in the apparatus for manufacturing a composite FRP support according to a first embodiment of the present invention.
13 to 16 are views for explaining various rib pattern shapes formed through the rib pattern maker included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
17 is a view for explaining a modified example of the rib pattern maker included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
18 is a view for explaining a rib pattern manufactured through a modified example of the rib pattern maker included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
19 is a view for explaining another modified example of the rib pattern maker included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
20 is a view for explaining a rib pattern manufactured through another modified example of the rib pattern maker included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.
21 is a view for explaining a composite FRP support according to a first embodiment of the present invention.
22 is a view for explaining a method of using a composite FRP support according to a first embodiment of the present invention.
23 is a perspective view of a prepreg supply unit included in the apparatus for manufacturing a composite FRP support according to a second embodiment of the present invention.
24 is a view for explaining a support manufacturing module included in the composite FRP support manufacturing apparatus according to a modified example of the present invention.
25 is a view for explaining a rib pattern maker included in the composite FRP support manufacturing apparatus according to a modified example of the present invention.
26 is a view for explaining the press mold of the rib pattern maker included in the composite FRP support manufacturing apparatus according to a modified example of the present invention.
27 is a view showing a composite FRP support manufactured by the apparatus for manufacturing a composite FRP support according to a modified example of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the technical spirit of the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosed content may be thorough and complete, and the spirit of the present invention may be sufficiently conveyed to those skilled in the art.

In this specification, when a component is referred to as being on another component, it means that it may be directly formed on the other component or a third component may be interposed therebetween.

In addition, in various embodiments of the present specification, terms such as first, second, third, etc. are used to describe various components, but these components should not be limited by these terms. Accordingly, what is referred to as a first component in one embodiment may be referred to as a second component in another embodiment.

Each embodiment described and illustrated herein also includes a complementary embodiment thereof. In addition, in this specification, 'and/or' is used in the sense of including at least one of the components listed before and after.

In the specification, the singular expression includes the plural expression unless the context clearly dictates otherwise. In addition, terms such as "comprise" or "have" are intended to designate that a feature, number, step, element, or a combination thereof described in the specification exists, but one or more other features, number, step, configuration It should not be construed as excluding the possibility of the presence or addition of elements or combinations thereof.

In addition, in the following description of the present invention, if it is determined that a detailed description of a related well-known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a perspective view of a composite FRP support manufacturing apparatus according to a first embodiment of the present invention. Referring to FIG. 1 , the apparatus for manufacturing a composite FRP support according to a first embodiment of the present invention may include a base fiber supply unit 100 , and a support manufacturing unit 200 . In addition, the support manufacturing unit 200 includes a first alignment module 210 , a second alignment module 220 , an impregnation tank 230 , a thermoplastic resin supply module 240 , and a support manufacturing module 250 . can do. Hereinafter, each configuration will be described.

Figure 2 is a view for explaining the base fiber supply unit and the first alignment module included in the apparatus for manufacturing a composite FRP support according to a first embodiment of the present invention, Figure 3 is a composite FRP support according to a first embodiment of the present invention It is a view for explaining the second alignment module included in the manufacturing apparatus.

Referring to FIG. 2 , the base fiber supply unit 100 may include a plurality of bobbins 110 on which the base fiber BF is wound. According to an embodiment, the base fiber (BF) may include any one of glass fiber, basalt fiber, aramid fiber, carbon fiber, PVA fiber, and high-strength polyester fiber.

A plurality of the base fibers BF may be provided to the first alignment module 210 from the plurality of bobbins 110 of the base fiber supply unit 100 . The plurality of base fibers BF provided to the first alignment module 210 may be aligned and spread laterally. That is, the first alignment module 210 may align the plurality of base fibers BF so that they do not agglomerate. According to an embodiment, the first alignment module 210 includes an upper roll and a lower roll disposed to face the upper roll, and a plurality of the base fibers (BF) between the upper roll and the lower roll. are provided, so that a plurality of the base fibers BF can be aligned and spread.

Referring to FIG. 3 , the second alignment module 220 may include first to sixth alignment rollers 221 , 222 , 223 , 224 , 225 , and 226 . According to an embodiment, the positions of the first to sixth alignment rollers 221 , 222 , 223 , 224 , 225 , and 226 may be different from each other. Specifically, the first alignment roller 221, the third alignment roller 223, and the fifth alignment roller 225 are positioned relatively low, while the second alignment roller 222, the fourth alignment roller ( 224 , and the sixth alignment roller 226 may be positioned relatively high. That is, the first to sixth alignment rollers 221 , 222 , 223 , 224 , 225 , and 226 may be arranged in a zig-zag shape.

A plurality of the base fibers BF may be provided from the first alignment module 210 to the second alignment module 220 . A plurality of the base fibers (BF) provided to the second alignment module 220, the first to sixth alignment rollers (221, 222, 223, 224, 225, 226) in a zig-zag (zig-zag) form can be cold The plurality of base fibers BF provided to the second alignment module 220 may be aligned once more by sequentially passing through the first to sixth alignment rollers 221 , 222 , 223 , 224 , 225 , 226 . there is.

According to an embodiment, the first alignment roller 221 , the third alignment roller 223 , and the fifth alignment roller 225 linearly reciprocate along the longitudinal direction of the alignment roller (eg, the X-axis direction). can exercise Accordingly, the plurality of the base fibers BF are aligned in the longitudinal direction (eg, X) of the alignment roller by the first alignment roller 221 , the third alignment roller 223 , and the fifth alignment roller 225 . axial direction). Due to this, the alignment of the plurality of the base fibers BF may be improved.

4 and 5 are views for explaining the impregnation tank and the thermoplastic resin supply module included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.

4 and 5 , the thermoplastic resin supply module 240 may supply the thermoplastic resin into the impregnation tank 230 . Accordingly, the thermoplastic resin may be accommodated in the impregnation tank 230 .

The base fibers BF aligned and spread through the first and second alignment modules 240 may be provided inside the impregnation tank 230 in which the thermoplastic resin is accommodated. Accordingly, the base fiber BF provided to the inside of the impregnation tank 230 may be impregnated with the thermoplastic resin. According to an embodiment, the thermoplastic resin is, polypropylene (PP, polypropylene) polyethylene (PE, polyethylene), polycarbonate (PC, polycarbonate), polyamide (PA, polyamide), polyphenylene sulfide (PPS, polyphenylenesulfide) , It may include any one or a mixture of polyethylene ethyl ketone (PEEK, Polyethyleethyleketon).

The base fiber BF impregnated in the thermoplastic resin may be provided from the impregnation tank 230 to the first base rod maker 251 of the support manufacturing module 250 to be described later.

6 is a view for explaining the support manufacturing module included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention, Figure 7 is a composite FRP support manufacturing apparatus according to the first embodiment of the present invention includes A perspective view of a first base rod maker, Figure 8 is a front view of the first base rod maker included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention, Figure 9 is according to the first embodiment of the present invention A perspective view of the second and third base rod manufacturers included in the composite FRP support manufacturing apparatus, FIG. 10 is an upper portion of the first to third base rod manufacturers included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention It is a view for explaining a wheel mold and a lower wheel mold, and FIG. 11 is a diameter change of the base rod manufactured through the first to third base rod makers included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention. 12 is a perspective view of a rib pattern maker included in the apparatus for manufacturing a composite FRP support according to a first embodiment of the present invention.

Referring to FIG. 6 , the support manufacturing module 250 includes a first base rod manufacturing unit 251 , a second base rod manufacturing unit 252 , a third base rod manufacturing unit 253 , and a rib pattern manufacturing unit 254 . can do.

7 and 8 , the first base rod maker 251 may bundle a plurality of the base fibers BF to form a base rod BR. According to an embodiment, the base rod BR may have a cylindrical shape.

More specifically, as shown in FIGS. 7 and 8 , the first base rod maker 251 includes an upper wheel mold 251a and a lower wheel mold 251b disposed to face the upper wheel mold 251a. ) may be included. The upper wheel mold 251a and the lower wheel mold 251b may be rotated clockwise or counterclockwise about the first direction, respectively. For example, the first direction may be a direction perpendicular to a direction in which the upper wheel mold 251a and the lower wheel mold 251b face each other.

An empty space may be formed between the upper wheel mold 251a and the lower wheel mold 251b. The plurality of base fibers BF provided from the impregnation tank 230 may be provided to the empty space between the upper wheel mold 251a and the lower wheel mold 251b. In a state in which the plurality of base fibers BF are provided in the empty space, the upper wheel mold 251a and the lower wheel mold 251b may be rotated. Alternatively, a plurality of the base fibers BF may be provided in the empty space while the upper wheel mold 251a and the lower wheel mold 251b are rotated.

Accordingly, by rotation of the upper wheel mold 251a and the lower wheel mold 251b, a plurality of the base fibers BF are agglomerated, so that the base rod BR can be manufactured.

9 to 11 , the base rod BR manufactured by the first base rod maker 251 is transferred from the first base rod maker 251 to the second base rod maker 252 . After being provided, it may be provided from the second base rod manufacturer 252 to the third base rod manufacturer 253 .

The second base rod maker 252 and the third base rod maker 253 have upper wheel molds 252a and 253a and lower wheel molds 252b and 253b like the first base rod maker 251, respectively. may include. In addition, an empty space may be formed between the upper wheel molds 252a and 253a and the lower wheel molds 252b and 253b of the second base rod maker 252 and the third base rod maker 253, and the The base rod BR may be provided as an empty space of the second base rod manufacturer 252 and an empty space of the third base rod manufacturer 253 . The base rod BR provided in the empty space is subjected to pressure by the upper wheel molds 252a and 253a and the lower wheel molds 252b and 253b of the second and third base rod manufacturers 252 and 253. can

According to an embodiment, the size of the empty space of each of the first to third base rod manufacturers 251 , 252 , and 253 may be different from each other. That is, the distance d ₁ between the upper wheel mold 251a and the lower wheel mold 251b of the first base rod maker 251, the upper wheel mold 252a of the second base rod maker 252 and The distance d ₂ between the lower wheel molds 252b and the distance d ₃ between the upper wheel mold 253a and the lower wheel mold 253b of the third base rod maker 253 may be different from each other.

Specifically, the distance d ₃ between the upper wheel mold 253a and the lower wheel mold 253b of the third base rod maker 253 is the upper wheel mold 252a of the second base rod maker 252 and The distance d ₂ between the upper wheel mold 252a and the lower wheel mold 252b of the second base rod maker 252 is shorter than the distance d ₂ between the lower wheel molds 252b and the first It may be shorter than the distance d ₁ between the upper wheel mold 251a and the lower wheel mold 251b of the base rod maker 251 .

Accordingly, the diameters of the base rods BR manufactured by the first to third base rod manufacturers 251 , 252 , and 253 may be different from each other. Specifically, the diameter d ₃ of the third base rod BR ₃ manufactured by the third base rod maker 253 is the second base rod BR ₂ manufactured by the second base rod maker 252 ) The diameter (d ₂ ) of the second base rod (BR ₂ ) is smaller than the diameter (d ₂ ) of the second base rod manufactured by the second base rod manufacturer 252 is the first It may be smaller than the diameter (d ₁ ) of the base rod (BR ₁ ).

That is, the plurality of base fibers BF provided from the impregnation tank 230 to the support manufacturing module 250 are provided to the plurality of base fibers through the first to third base rod manufacturers 251 , 252 , and 253 . It is manufactured by the base rod BR in which the BFs are agglomerated, and as the first to third base rod manufacturers 251 , 252 , and 253 are sequentially passed through, the diameter may be gradually reduced.

Accordingly, productivity of the base rod BR may be improved. Specifically, unlike the above, when manufacturing the base rod through one base rod manufacturing machine, there may be problems in that the process time and cost are increased in order to reduce the thickness of the base rod. However, as described above, when the thickness of the base rod BR is gradually reduced through the plurality of base rod manufacturers 251 , 252 , and 253 , the thickness reduction of the base rod BR is easily achieved. As a result, productivity of the base rod BR may be improved.

Referring to FIG. 12 , the third base rod BR ₃ manufactured by the third base rod maker 253 may be provided to the rib pattern maker 254 . The rib pattern maker 254 may apply a pressure to the third base rod BR ₃ to form a rib pattern on the surface of the third base rod BR ₃ . Accordingly, a composite FRP support RB having a rib pattern formed on the surface of the third base rod BR ₃ may be manufactured.

According to an embodiment, the rib pattern maker 254 may include an upper wheel master mold and a lower wheel master mold disposed to face the upper wheel master mold. The upper wheel master mold and the lower wheel master mold may be rotated clockwise or counterclockwise in a first direction (eg, an X-axis direction).

The upper wheel master mold may include an upper master pattern, and the lower wheel master mold may include a lower master pattern. The upper master pattern and the lower master pattern may include a concave portion and a convex portion.

While the upper wheel master mold and the lower wheel master mold are rotating, the third base rod BR ₃ may be provided between the upper wheel master mold and the lower wheel master mold. Accordingly, pressure may be applied to the third base rod BR ₃ through the upper wheel master mold and the lower wheel master mold.

According to an embodiment, before pressure is applied to the third base rod BR ₃ , the third base rod BR ₃ may be heat-treated. When the third base rod BR ₃ is heat-treated, the surface of the third base rod BR ₃ may be relatively soft by the thermoplastic resin.

When pressure is applied to the third base rod BR ₃ in a state in which the third base rod BR ₃ is heat treated, the rib pattern may be formed on the surface of the third base rod BR ₃ . . Hereinafter, a process of forming the rib pattern will be described in detail.

13 to 16 are views for explaining various rib pattern shapes formed through a rib pattern maker included in the composite FRP support manufacturing apparatus according to a first embodiment of the present invention, and Figure 17 is a first embodiment of the present invention It is a view for explaining a modified example of the rib pattern maker included in the composite FRP support manufacturing apparatus according to, Figure 18 is a modification of the rib pattern maker included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention It is a view for explaining a rib pattern manufactured through an example, and FIG. 19 is a view for explaining another modified example of the rib pattern maker included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention, FIG. 20 is a view for explaining a rib pattern manufactured through another modified example of the rib pattern maker included in the composite FRP support manufacturing apparatus according to the first embodiment of the present invention.

13 to 16 , the pressure is applied to the third base rod BR ₃ through the upper wheel master molds 254 _a1 , 254 _a2 and the lower wheel master molds 254 _b1 , 254 _b2 . In this case, a rib pattern RP may be formed on a surface of the third base rod BR ₃ .

According to an embodiment, the rib pattern RP may have a reverse phase of the upper master patterns 254 _aP1 and 254 _aP2 and the lower master patterns 254 _bP1 and 254 _bP2 . Specifically, the rib pattern RP also has concave portions and convex portions like the upper master patterns 254 _aP1 , 254 _aP2 and the lower master patterns 254 _bP1 , 254 _bP2 , the convexities of the rib pattern RP. A portion corresponds to the concave portions of the upper master patterns 254 _aP1 , 254 _aP2 and the lower master patterns 254 _bP1 , 254 _bP2 , and the concave portions of the rib pattern RP are the upper master patterns 254 _aP1 , 254 _aP2 . ) and the convex portions of the lower master patterns 254 _bP1 and 254 _bP2 .

That is, by heat-treating the third base rod (BR ₃ ) to form a smooth surface, and then applying pressure through the master mold having the master pattern, the surface of the third base rod (BR ₃ ) of the master pattern The rib pattern RP having an inverse phase may be formed.

For example, the shape of the rib pattern RP may have a dense net shape as shown in FIG. 13 , or a dot shape as shown in FIG. 14 , or in FIG. 15 . It may have a wide net shape as shown, or a spiral shape as shown in FIG. 16 . In addition, the rib pattern RP may have various shapes. The shape of the rib pattern RP is not limited.

According to one modification, as shown in FIG. 17 , the upper master patterns 254 _aP1 and 254 _aP2 and the lower master patterns 254 _bP1 and 254 _bP2 may have different shapes. Accordingly, rib patterns having different shapes may be formed on the surface of the third base rod BR ₃ . Specifically, as shown in FIG. 18 , in the first region BR _a of the third base rod BR ₃ , a first rib pattern having an inverse phase of the upper master patterns 254 _aP1 , 254 _aP2 ( ) RP ₁ ) is formed, and in the second region BR _b of the third base rod BR ₃ , a second rib pattern RP ₂ having an inverse phase of the lower master patterns 254 _bP1 and 254 _bP2 is formed. Doedoe, the shapes of the first and second rib patterns RP ₁ and RP ₂ may be different from each other.

According to another modification, as shown in FIG. 19 , the upper master patterns 254 _aP1 and 254 _aP2 include a first upper master pattern 254 _aP1 and a second upper master pattern 254 _aP2 , and the The lower master patterns 254 _bP1 and 254 _bP2 may include a first lower master pattern 254 _bP1 and a second lower master pattern 254 _bP2 . In addition, the first upper master pattern 254 _aP1 , the second upper master pattern 254 _aP2 , the first lower master pattern 254 _bP1 , and the second lower master pattern 254 _bP2 have different shapes from each other. can have Accordingly, rib patterns having different shapes may be formed on the surface of the third base rod BR ₃ .

Specifically, as shown in FIG. 20 , in the first region BR _a of the third base rod BR ₃ , the first rib pattern RP ₁ having the reverse phase of the first upper master pattern 254 _aP1 . ) is formed, and a second rib pattern RP ₂ having an inverse phase of the second upper master pattern 254 _aP2 is formed in the second region BR _b of the third base rod BR ₃ , and the A third rib pattern RP ₃ having an inverse phase of the first lower master pattern 254 _bP1 is formed in the third region BR _c of the third base rod BR ₃ , and the third base rod BR ₃ ) A fourth rib pattern RP ₄ having a reverse phase of the second lower master pattern 254 _bP2 is formed in the fourth region BR _d , and the first to fourth rib patterns RP ₁ , RP ₂ , RP ₃ , RP ₄ ) may have different shapes.

That is, the rib pattern RP formed on the surface of the third base rod BR ₃ may have various shapes. In addition, the third base rod BR ₃ is divided into a plurality of regions, and the rib patterns RP having different shapes may be formed in the divided regions. Accordingly, since it is possible to control the surface roughness of the composite FRP support in various ways, it is possible to easily improve the adhesion to concrete.

21 is a view for explaining a composite FRP support according to a first embodiment of the present invention, Figure 22 is a view for explaining a method of using the composite FRP support according to the first embodiment of the present invention.

Referring to FIG. 21 , the composite FRP support RB includes a plurality of the base fibers BF and the base rod BR comprising a thermoplastic resin provided to the plurality of the base fibers BF, the The rib pattern RP including the concave portion RB _a and the convex portion RB _b may be provided on the surface of the base rod BR. In addition, the concave portion RB _a and the convex portion RB _b of the rib pattern RP may be defined by a surface profile RB _s of the base rod BR. That is, the rib pattern RP may form one body with the base rod BR.

Accordingly, in the composite FRP support RB, the separation of the rib pattern RP from the base rod BR is significantly reduced, so that the adhesion with the concrete through the rib pattern RP is improved. The durability of the concrete structure on which the composite FRP support (RB) is constructed may be improved. On the other hand, in the case of the prior art of forming a rib pattern by providing separate fibers on the surface of the base rod, as the base rod and the rib pattern do not form a single body structure, the rib pattern is formed from the base rod. This separation problem may arise. Due to this, the adhesive force with the concrete is reduced, and there may be a problem in that the durability of the concrete structure on which the composite FRP support (RB) is constructed is reduced.

In addition, in the case of a conventional composite FRP support containing a thermosetting resin, since it is supplied to the field after being prepared in advance in the form of a specific shape, there is a problem in that the use convenience and application efficiency in the field is low. However, since the composite FRP support (RB) according to the first embodiment of the present invention includes the thermoplastic resin, as shown in FIG. 22, the composite FRP support (RB) at the construction site by a simple method of bending after heat treatment can be easily molded into the shape of Due to this, convenience of use and application efficiency in the field may be remarkably improved.

In addition, since the composite FRP support (RB) can be formed through a simple process of applying pressure through a master mold including a master pattern, the production speed and continuous productivity are improved, so that it can be easily applied to a mass production process. .

According to one embodiment, the composite FRP support (RB) may be used in a reinforced concrete structure. Alternatively, according to another embodiment, the composite FRP support (RB) may be used for a solar support in a marine environment. Alternatively, according to another embodiment, the composite FRP support (RB) may be used in offshore plants and port facilities.

Above, an apparatus for manufacturing a composite FRP support according to a first embodiment of the present invention has been described. Hereinafter, an apparatus for manufacturing a composite FRP support according to a second embodiment of the present invention is described.

23 is a perspective view of a prepreg supply unit included in the apparatus for manufacturing a composite FRP support according to a second embodiment of the present invention.

The apparatus for manufacturing a composite FRP support according to a second embodiment of the present invention may include a prepreg supply unit 1000 and a support manufacturing module 250 . According to one embodiment, the support manufacturing module 250 may be the same as the support manufacturing module 250 included in the composite FRP support manufacturing apparatus according to the first embodiment. Accordingly, a detailed description is omitted.

Referring to FIG. 23 , the prepreg supply unit 1000 includes a tow prepreg unwinder 1100 , a pre-foaming guide 1200 , and a pre-heating chamber. , 1300) may be included.

The tow prepreg unwinder 1100 may supply a plurality of prepregs. According to an embodiment, the prepreg may be in the form of a sheet and/or strip in which a thermoplastic resin is provided on the base fiber. According to an embodiment, the base fiber and the thermoplastic resin may be the same as the base fiber and the thermoplastic resin described in the apparatus for manufacturing a composite FRP support according to the first embodiment.

The preforming guide 1200 may align and guide the plurality of prepregs provided from the tow prepreg unwinder 1100 . According to an embodiment, the preforming guide 1200 may include first to third preforming guides 1210 , 1220 , and 1230 . The plurality of prepregs provided from the tow prepreg unwinder 1100 may be aligned by sequentially passing through the first to third preforming guides 1210 , 1220 , and 1230 .

Also, according to an embodiment, the plurality of prepregs of the first to third preforming guides 1210 , 1220 , and 1230 may each include a plurality of holes through which the plurality of prepregs pass. In this case, a distance between a plurality of holes of the first preforming guide 1210 , a distance between a plurality of holes of the second preforming guide 1220 , and a plurality of holes of the third preforming guide 1230 . In the order of the spacing between the holes, it can be gradually narrowed. Accordingly, the plurality of prepregs may be aggregated and agglomerated in an aligned state, whereby the base rod may be easily manufactured after heat treatment as will be described later.

The plurality of prepregs aligned through the preforming guide 1200 may be provided to the preheating chamber 1300 . The preheating chamber 1300 may heat-treat the aligned plurality of prepregs. The heat-treated plurality of prepregs may be provided to the support manufacturing module 250 . Specifically, as described above, the plurality of heat-treated prepregs may be manufactured as the base rod having a surface on which a leaf pattern is formed by using the support manufacturing module 250 . Alternatively, the heat-treated plurality of prepregs, as will be described later, use a support manufacturing module 250 including first to third base rod manufacturers 251 , 252 , and 253 , and a rib pattern manufacturer 254 . Thus, it can be manufactured as the base rod having a surface on which a leaf pattern is formed.

Above, an apparatus for manufacturing a composite FRP support according to embodiments of the present invention has been described. Hereinafter, an apparatus for manufacturing a composite FRP support according to a modified example of the present invention is described.

The composite FRP support manufacturing apparatus according to a modified example of the present invention may include a base fiber supply unit 100 , and a support manufacturing unit 200 . In addition, the support manufacturing unit 200 includes a first alignment module 210 , a second alignment module 220 , an impregnation tank 230 , a thermoplastic resin supply module 240 , and a support manufacturing module 250 . can do. The base fiber supply unit 100, the first alignment module 210, the second alignment module 220, the impregnation tank 230, and the thermoplastic resin supply module 240 according to the modified example are shown in Figs. It may be the same as the base fiber supply unit 100, the first alignment module 210, the second alignment module 220, the impregnation tank 230, and the thermoplastic resin supply module 240 according to the embodiment described with reference. . Accordingly, a detailed description is omitted.

24 is a view for explaining a support manufacturing module included in the composite FRP support manufacturing apparatus according to a modified example of the present invention, and FIG. 25 is a rib pattern maker including a composite FRP support manufacturing apparatus according to a modified example of the present invention. Figure 26 is a view for explaining the press mold of the rib pattern maker included in the composite FRP support manufacturing apparatus according to a modified example of the present invention, Figure 27 is a composite FRP support according to a modified example of the present invention It is a view showing the composite FRP support manufactured through the manufacturing apparatus.

Referring to FIG. 24 , the support manufacturing module 250 according to the modified example may include first to third base rod manufacturers 251 , 252 , and 253 , and a rib pattern manufacturer 254 . According to an embodiment, the first to third base rod manufacturers 251 , 252 , 253 according to the modified example are described with reference to FIGS. 6 to 9 , the first to third base rods according to the embodiment It may be the same as the manufacturers 251 , 252 , 253 . Accordingly, a detailed description is omitted.

25 to 27 , the rib pattern maker 254 according to the modified example may include an upper press mold 254 _a and a lower press mold 254 _b . According to an embodiment, a plurality of grooves may be formed in the upper press mold 254 _a and the lower press mold 254 _b , and a master pattern may be formed in each groove. According to an embodiment, the groove may extend in the same direction as the extending direction of the base rod RB.

For example, as shown in FIG. 26 , four grooves are formed in the lower press mold 254 _b , and first to fourth lower master patterns 254 _b1 , 254 _b2 , 254 _b3 in each groove. 254 _b4 ) may be formed. In addition, although not shown, four grooves are also formed in the upper press mold 254 _a , and first to fourth upper master patterns (not shown) may be formed in each groove. The shapes of the first to fourth upper master patterns (not shown) may be the same as those of the first to fourth lower master patterns 254 _b1 , 254 _b2 , 254 _b3 , and 254 _b4 , respectively. Unlike the above, less than four grooves, or more than four grooves may be formed in the upper press mold 254 _a and the lower press mold 254 _b . That is, the number of grooves formed in the upper press mold 254 _a and the lower press mold 254 _b is not limited.

The upper press mold 254 _a and the lower press mold 254 _b may be disposed to face each other. According to an embodiment, the first to fourth upper master patterns (not shown) of the upper press mold 254 _a and the first to fourth lower master patterns 254 _b1 of the lower press mold 254 _b , 254 _b2 , 254 _b3 , 254 _b4 ) may be disposed to face each other. That is, the first upper master pattern (not shown) and the first lower master pattern 254 _b1 are disposed to face each other, and the second upper master pattern (not shown) and the second lower master pattern 254 _b2 are disposed to face each other. are disposed to face each other, the third upper master pattern (not shown) and the third lower master pattern 254 _b3 are disposed to face each other, and the fourth upper master pattern (not shown) and the fourth lower master pattern (254 _b4 ) may be arranged to face each other.

In a state in which the upper press mold 254 _a and the lower press mold 254 _b are arranged to face each other, the base rod heat-treated between the upper press mold 254 _a and the lower press mold 254 _b ( BR) can be placed. According to an embodiment, the base rod BR may be disposed between the grooves of the upper press mold 254 _a and the lower press mold 254 _b .

In a state in which the heat-treated base rod BR is disposed between the grooves of the upper press mold 254 _a and the lower press mold 254 _b , the upper press mold 254 _a and the lower press mold 254 _b ) is moved to be in contact, pressure may be applied to the base rod (BR). Accordingly, a reverse image of the master pattern formed in the groove may be formed on the base rod BR. Accordingly, the composite FRP support RB in which the rib pattern RP is formed on the surface of the base rod BR may be manufactured.

The composite FRP support manufactured through the composite FRP support manufacturing apparatus according to the modified example also, like the composite FRP support according to the embodiment, the heat-treated base rod (BR) through a method in which pressure is applied through the rib pattern As the RP is formed, a phenomenon in which the rib pattern RP is separated from the base rod BR may be remarkably reduced.

As mentioned above, although the present invention has been described in detail using preferred embodiments, the scope of the present invention is not limited to specific embodiments and should be construed according to the appended claims. In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

100: base fiber supply
200: support manufacturing unit
210: first alignment module
220: second alignment module
230: impregnation tank
240: thermoplastic resin module
250: support manufacturing module
251 to 253: first to third base rod manufacturing machine
254: rib pattern maker
1000: prepreg supply

Claims (13)

a base fiber supply unit for supplying the base fiber from a plurality of bobbins on which the base fiber is wound; and
An alignment module for aligning the base fibers provided from the base fiber supply unit, an impregnation tank in which a thermoplastic resin is accommodated, and the plurality of base fibers impregnated in the thermoplastic resin are bundled to manufacture a base rod, and a rib is provided on the surface of the base rod. Includes a support manufacturing unit including a support manufacturing module to form a pattern,
The alignment module includes first to fourth alignment rollers disposed to be spaced apart from each other, and a plurality of the base fibers supplied from the base fiber supply unit are aligned by sequentially passing through the first to fourth alignment rollers,
The first and third alignment rollers are positioned relatively low compared to the second and fourth alignment rollers, so that the base fiber is wound around the first to fourth alignment rollers in a zig-zag form. Composite FRP support manufacturing apparatus comprising.
According to claim 1,
The support manufacturing module,
first and second base rod makers for manufacturing the base rod by bundling the plurality of base fibers impregnated in the thermoplastic resin; and
Composite FRP support manufacturing apparatus comprising a rib pattern maker for forming a rib pattern having a reverse phase of the master pattern on the surface of the base rod by applying a pressure to the base rod through a master mold including a master pattern.
3. The method of claim 2,
The base rod is a composite FRP support manufacturing apparatus comprising a heat treatment before pressure is applied through the master mold.
3. The method of claim 2,
The master pattern includes a concave portion and a convex portion,
When pressure is applied to the base rod through the master mold, a convex portion corresponding to the concave portion of the master pattern and a concave portion corresponding to the convex portion of the master pattern are formed on the surface of the base rod, and the rib An apparatus for manufacturing a composite FRP support comprising forming a pattern.
5. The method of claim 4,
The master mold includes an upper wheel master mold and a lower wheel master mold disposed to face the upper wheel master mold, wherein the upper wheel master mold and the lower wheel master mold are clockwise or counterclockwise in a first direction rotate clockwise,
The base rod is provided between the rotating upper wheel master mold and the lower wheel master mold, and a pressure is applied to the base rod by rotation of the upper wheel master mold and the lower wheel master mold. Support manufacturing device.
5. The method of claim 4,
The master mold includes an upper press mold and a lower press mold disposed to face the upper press mold, and the base rod is disposed between the upper press mold and the lower press mold,
With the base rod interposed therebetween, the upper press mold and the lower press mold are moved to contact, and a pressure is applied to the base rod.
3. The method of claim 2,
The first and second base rod manufacturing machines each include an upper wheel mold and a lower wheel mold disposed to face the upper wheel mold, wherein the upper wheel mold and the lower wheel mold are clockwise in a first direction clockwise or counterclockwise, but
The plurality of base fibers are provided between the rotating upper wheel mold and the lower wheel mold, and the plurality of base fibers are agglomerated by the pressure of the rotating upper wheel mold and the lower wheel mold to produce the base rod An apparatus for manufacturing a composite FRP support comprising that.
8. The method of claim 7,
The distance between the upper wheel mold and the lower wheel mold of the second base rod maker is shorter than the distance between the upper wheel mold and the lower wheel mold of the first base rod maker,
The plurality of base fibers impregnated in the thermoplastic resin are provided to the first base rod maker and then provided to the second base rod maker.
delete According to claim 1,
The first and third alignment rollers are, respectively, a composite FRP support manufacturing apparatus comprising a linear reciprocating motion along the longitudinal direction of the first and third alignment rollers.
a bobbin for supplying a base fiber;
an alignment module for aligning a plurality of the base fibers provided from a plurality of the bobbins;
an impregnation tank containing a thermoplastic resin; and
A support manufacturing unit including a support manufacturing module for manufacturing a base rod by bundling the plurality of base fibers impregnated in the thermoplastic resin, and forming a rib pattern on the surface of the base rod,
The support manufacturing module, a first base rod manufacturing machine for manufacturing a base rod having a diameter of a first size by bundling a plurality of the base fibers,
a second base rod maker that receives the base rod from the first base rod maker and reduces the diameter of the base rod to a second size smaller than the first size; and
By applying pressure to the base rod provided from the second base rod maker through a master mold including a master pattern, a rib pattern maker for forming a rib pattern having an inverse phase of the master pattern on the surface of the base rod comprises a rib pattern maker, ,
The alignment module includes first to fourth alignment rollers disposed to be spaced apart from each other, and a plurality of the base fibers supplied from the base fiber supply unit are aligned by sequentially passing through the first to fourth alignment rollers,
The first and third alignment rollers are positioned relatively low compared to the second and fourth alignment rollers, so that the base fiber is wound around the first to fourth alignment rollers in a zig-zag form. Composite FRP support manufacturing apparatus comprising.
12. The method of claim 11,
The rib pattern maker includes an upper master mold including an upper master pattern and a lower master mold including a lower master pattern,
A pressure is applied to the base rod through the upper master mold and the upper and lower master mold, and a first rib pattern having an inverse phase of the upper master pattern and a second rib having an inverse phase of the lower master pattern on the surface of the base rod An apparatus for manufacturing a composite FRP support comprising forming a pattern.
13. The method of claim 12,
The shape of the upper master pattern and the lower master pattern are different from each other, and the first rib pattern and the shape of the second rib pattern are different from each other, the composite FRP support manufacturing apparatus comprising.

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