JP4803499B2 - Bar and bar forming apparatus - Google Patents

Description

  The present invention relates to a metal bar formed of basalt fiber that can be used in place of a reinforced concrete reinforcing bar, and an apparatus for forming the bar.

  In Patent Document 1, immediately after spinning a basalt fiber from molten gembite on a mold, silane coupling agent-untreated basalt fiber obtained by applying and drying acrylic silane thereto, Portland cement, and sand, Disclosed is a method for producing a cement mortar molded product that is filled and uniformly sprayed with a mixture of a styrene-butadiene copolymer latex and water and then pressure-molded.

Patent Document 2 discloses that when a concrete structure is newly provided, a reinforcing sheet composite is provided on the surface of the concrete structure to form a peeling prevention layer integrated with the concrete. Further, the reinforcing composite is inorganic. Disclosed is a fiber-reinforced composite mesh obtained by impregnating and curing an organic fiber or an organic fiber with an adhesive material, and the inorganic fiber is at least selected from the group consisting of glass fiber, carbon fiber, and basalt fiber It discloses that it is 1 type of fiber.
JP-A-5-286747 JP 2004-156360 A

  Basalt fiber is a high-strength fiber manufactured by melting 100% natural basalt, and is a material that is highly elastic, resistant to acids and alkalis, and excellent in wear resistance. Moreover, since it is a natural material, it has the effect that it is excellent also in an environment.

  Further, as is apparent from Patent Documents 1 and 2, unlike the case of reinforcing bars, basalt fiber approximates the composition of concrete when used with concrete. There is an effect that there is no problem due to the difference in expansion between gold and concrete.

  For this reason, this invention is providing the metal bar which has sufficient intensity | strength as a substitute of a reinforcing bar using a basalt fiber, and has good meshing property with concrete, and the formation apparatus of this metal bar.

Accordingly, the metal bar according to the present invention is a metal bar used for reinforcing concrete, in a core material containing a basalt fiber extending in one direction, and a direction different from the directionality of the basalt fiber contained in the core material. And has a reinforcing bar added to the surface of the core material.

  The reinforcing bars preferably include fibers extending along at least one spiral selected from the group of glass fibers, carbon fibers, and basalt fibers.

  Moreover, it is desirable that the directivity of the basalt fiber contained in the core material is the longitudinal direction of the core material, and the direction of the reinforcing bar is a predetermined angle with respect to the longitudinal direction of the core material. In particular, it is desirable that the reinforcing bar is wound around the core material in a spiral shape. Further, the reinforcing bar may be one, but may be plural. Furthermore, the predetermined angle may be a maximum of 90 degrees. The plurality of reinforcing bars may be provided spirally in the same direction or may be provided so as to intersect. Further, a net-like shape may be formed. Furthermore, the reinforcing bars may be formed so as to simply extend in a predetermined direction, or may be formed by being twisted with respect to the extending direction. Further, in the structure in which the reinforcing bars are wound spirally in one direction, the reinforcing bars form a part corresponding to a screw thread. Therefore, by providing a coupling member having a corresponding female screw, the reinforcing bars It is also possible to connect the metal rods and extend the length or change the direction.

  Further, the core material may be formed by twisting the basalt fiber in the longitudinal direction or twisted with respect to the extending direction of the core material. When the core material is formed by twisting, it is desirable that the reinforcing bar is twisted in the opposite direction.

  Furthermore, the reinforcing bar is wound with a reinforcing bobbin made of at least one selected from the group of glass fiber, carbon fiber and basalt fiber, and a plurality of core bobbins around which the basalt fiber yarn is wound. The reinforcing reinforcing bobbin, the core material forming means for forming the core material by bundling the basalt fiber yarn drawn from the bobbin for core material in one direction, and the core material formed by the core material forming means. A reinforcing bar forming means for spirally winding a reinforcing fiber thread pulled out from the muscle bobbin, and a resin impregnating means for impregnating a metal base formed by the core material forming means and the reinforcing bar forming means with a resin; A bar-shaped bar comprising at least a heat-curing means for drying and curing a metal base material impregnated with resin, and a cutting means for cutting the metal base material cured by the heat-curing means into a predetermined length. It can be produced by the apparatus.

  Furthermore, the metal rod is wound with a plurality of core bobbins around which a basalt fiber yarn is wound, and a reinforcing fiber yarn made of at least one selected from the group of glass fiber, carbon fiber and basalt fiber. The reinforcing bar bobbin, the core material forming means for forming the core material by bundling the basalt fiber yarn drawn from the bobbin for the core material in one direction, and the core material formed by the core material forming means A resin impregnating means for impregnating resin, a reinforcing bar forming means for spirally winding a reinforcing fiber thread drawn from the reinforcing bar bobbin around the core material impregnated with the resin by the resin impregnating means, and the reinforcing bar formation At least by a heat-curing means for drying and curing the metal base material formed by winding the reinforcing bar by means, and a cutting means for cutting the metal base material cured by the heat-curing means into a predetermined length It can be prepared by constituted muscle Kanabo forming apparatus.

  In addition, the reinforcing bar is wound with a reinforcing fiber yarn composed of a plurality of core bobbins wound with basalt fiber yarns and at least one selected from the group of glass fibers, carbon fibers and basalt fibers. A reinforcing bar bobbin, core material forming means for bundling basalt fiber yarns drawn from the core material bobbin in one direction to form a core material, and a resin for the core material formed by the core material forming means. Resin impregnation means for impregnation, heat curing means for drying and curing the core material impregnated with resin, adhesive impregnation means for impregnating the reinforcing fiber yarn drawn from the reinforcing bobbin with an adhesive, and the heat curing Reinforcing bar forming means for spirally winding the reinforcing fiber yarn impregnated with the adhesive by the adhesive impregnating means on the core material cured by the means, and the reinforcing fiber yarn spirally formed by the reinforcing bar forming means roll Paste is Sujigane substrate formed can be manufactured by at least constituted muscle Kanabo forming apparatus by a cutting means for cutting to length.

  Further, it is desirable that the heat curing means includes a mold and the wire base material is formed in a predetermined shape. As a result, the bar can be formed to a predetermined thickness, and further, a hump-shaped portion and a flat-shaped portion can be formed.

Furthermore, it is desirable to provide a drawing roller for drawing the wire base material before the cutting means.

  As described above, the bar according to the present invention is formed of basalt fibers whose core material extends in one direction, so that the longitudinal strength and the tensile strength are strong, and the reinforcing bars spirally entangled therewith. Therefore, the meshing property with the concrete is improved, and as a substitute for the reinforcing bar, advantages over the reinforcing bar can be obtained. In particular, the compatibility with concrete is good, and because the difference in expansion coefficient with concrete is small, the strength of concrete itself is improved, and furthermore, it is strong against concrete bases and alkalis, so the life of concrete itself can be extended. Is.

  Furthermore, since the bar is lighter than the reinforcing bar, the workability is very good and the transportation cost is reduced.

  Embodiments of the present invention will be described below with reference to the drawings.

  A bar 1 according to the present invention shown in FIG. 1 (a) includes a basalt fiber yarn having a directionality in one direction, particularly a core material 2 made of basalt fiber having a directionality along the longitudinal direction, and the core material 2 And a single reinforcing bar 3 wound spirally at a predetermined angle with respect to the longitudinal direction. In this case, by forming the reinforcing bar 3 in the shape of a screw, it can be easily connected with an extension joint, and can also be used as a thread suitable for a concrete drill.

  Further, a bar 1 according to the present invention shown in FIG. 1B is composed of a basalt fiber yarn having a directionality in one direction, particularly a core material 2 made of basalt fiber having a directionality along the longitudinal direction, and the core. By a first reinforcing bar 3A spirally wound at a predetermined angle with respect to the longitudinal direction of the material 2, and a second reinforcing bar 3B provided so as to intersect the first reinforcing bar 3A Composed. Thus, the metal bar 1 of the present invention includes a core material 2 having directional basalt fibers, and at least one reinforcing bar 3 (3A) having a directionality different from the directionality of the basalt fibers of the core material 2. , 3B).

  The reinforcing bars 3 (3A, 3B) are formed of at least one fiber yarn selected from the group of glass fiber, carbon fiber and basalt fiber. This is preferably selected in view of the purpose of use, the state of use, etc. of the bar 1. When formed with basalt fiber, it has the effect of high consistency with the core material, but when glass fiber or carbon fiber is used, it has the effect that the characteristics of other fibers can be imparted to the basalt fiber. .

  Further, the winding interval of the reinforcing bars 3 can be selected in consideration of the purpose of use, the state of use, etc. of the bar 1. When strong strength is required, the winding interval is narrowed. It is also possible to adjust the meshing property with concrete by adjusting the thickness of the reinforcing bars 3 (3A, 3B). Further, it is possible to twist the reinforcing bars 3 (3A, 3B).

A bar forming apparatus 10 according to Example 1 for manufacturing the bar 1 includes a plurality of core bobbins 12 around which basalt fiber yarns 11 are wound, and a group of glass fibers, carbon fibers, and basalt fibers. A reinforcing material bobbin 14 wound with at least one selected reinforcing fiber yarn 13 and the basalt fiber yarn 11 drawn from the core material bobbin 12 are bundled in one direction to form a core material. A core material forming device 15 comprising a reinforcing bar forming device for spirally winding a reinforcing fiber thread 13 drawn from the reinforcing bar bobbin 14 around the core material 1 formed by the core material forming device and the core material forming device; A resin impregnation device 17 for impregnating the metal base material 16 formed by the metal base material forming device 15 with a resin, a heat curing device 19 for drying and curing the metal base material 18 impregnated with the resin, The drawing roller device 21 pulls out the wire base material 20 cured by the thermosetting device 19 and the cutting device 22 that cuts the wire base material 20 drawn out by the pulling roller device 21 into a predetermined length. .

Further, the heat curing device 19 is provided with a predetermined mold, and it is possible to perform desired processing on the wire base material 18.

  In the metal bar forming apparatus 10 having the above-described configuration, the basalt fiber yarn 11 drawn from the core bobbin 12 by the drawing roller device 21 is bundled in the core material forming apparatus of the metal base material forming apparatus 15 so that the basalt fiber thread 11 is bundled. A core material extending in one direction is formed, and in the reinforcing bar forming device, the reinforcing fiber yarn 13 made of any one of a glass fiber yarn, a carbon fiber yarn and a basalt fiber yarn, particularly this implementation. In the example, the reinforcing fiber yarn 13 made of basalt fiber yarn has directionality and is bound to a predetermined thickness, and is wound spirally around the core material to form the wire base material 16.

  The wire base material 16 includes a resin tank made of, for example, a vinyl ester resin, an epoxy resin, or a polyester resin in the resin impregnation apparatus 17, and impregnates the wire base material 16 with the resin. The wire base material 18 impregnated with the resin thus obtained is heated in the heat curing device 19 to cure the resin, and at the same time can be molded into a desired shape and size with a predetermined mold. is there. As a result, the wire base material 20 which is cured and has a predetermined shape is formed.

  Thereafter, the wire base material 20 drawn by the drawing roller device 21 is cut into a predetermined length by the cutting device 22 to form the wire rod 1 according to the present invention.

  Since the reinforcing bar 3 (3A, 3B) is wound around the core material 2 after the reinforcing bar 3 manufactured by the reinforcing bar forming apparatus 10 according to the first embodiment is wound around the core member 2, the reinforcing bar 3 is entirely cured by the resin. 1 and is integrally molded, and there is an effect that the bonding property between the core material 2 and the reinforcing bars 3 (3A, 3B) is high.

  The bar forming apparatus 30 according to the second embodiment of the present invention includes at least one selected from the group of a plurality of core bobbins 12 around which the basalt fiber yarn 11 is wound, and glass fibers, carbon fibers, and basalt fibers. A reinforcing material bobbin 14 around which a reinforcing fiber yarn 13 is wound and a basalt fiber yarn 11 drawn from the core material bobbin 12 are bundled in one direction to form a core material forming device 31. And a core impregnating device 33 for impregnating the core material 32 formed by the core material forming device 31 with the resin, and a core material 34 impregnated with the resin with the resin impregnating device 33 are pulled out from the reinforcing bar bobbin 14. A reinforcing fiber forming device that binds the reinforcing fiber yarns 13 wound around the core material 34 in a spiral manner, and the reinforcing fiber yarns that serve as reinforcing fibers on the core material 34 by the reinforcing fiber forming device. A heating / curing device 35 for drying and curing the wire base material formed by winding, a drawing roller device 21 for pulling out the wire base material 20 cured by the heat curing device 35, and a wire base material 20 drawn by the drawing roller device 21. It is comprised at least by the cutting device 22 which cut | disconnects to predetermined length.

  In the bar forming apparatus 30 according to the second embodiment having the above-described configuration, the reinforcing bar 3 (3A, 3B) made of reinforcing fiber yarn is wound around the core material 34 before being impregnated with the resin and cured. This is different from Example 1 described above. In the bar 1 formed by the bar forming apparatus 30 according to the second embodiment, the reinforcing bars 3 (3A, 3B) are wound around the core material 1 impregnated with the resin, and then the heat curing apparatus 35 is used. Since the inner part of the reinforcing bars 3 (3A, 3B) is bonded to the core material 2 by the resin, since the resin film is not formed on the outer part, the consistency with the concrete is improved. There is an effect.

  The bar forming apparatus 50 according to the third embodiment of the present invention includes at least one selected from the group of a plurality of core bobbins 12 around which the basalt fiber yarn 11 is wound, and glass fibers, carbon fibers, and basalt fibers. A reinforcing material bobbin 14 around which a reinforcing fiber yarn 13 is wound and a basalt fiber yarn 11 drawn from the core material bobbin 12 are bundled in one direction to form a core material forming device 31. A resin impregnation device 33 for impregnating the core material 32 formed by the core material forming device 31 with a resin, a heat curing device 35 for drying and curing the core material 34 impregnated with the resin, and the reinforcing bobbin 14. An adhesive impregnating device 41 for impregnating the drawn reinforcing fiber yarn 13 with an adhesive and a core material 36 cured by the heat curing device 35 are impregnated with the adhesive by the adhesive impregnating device 41. A reinforcing bar forming device 40 for spirally winding the reinforcing fiber yarn 42, and a wire base material 20 formed by spirally winding the reinforcing fiber yarn 42 by the reinforcing bar forming device 40, have a predetermined length. And a cutting device 22 for cutting the wire rod 1 to form the bar 1.

  In the bar processing apparatus 50 according to the third embodiment, the step of forming the reinforcing bar 3 (3A, 3B) is a step separate from the step of forming the core material 2, and finally the reinforcing bar 3 (3A, 3A, 3B) 3B) is spirally wound to form. According to this, the reinforcing bar 3 (3A, 3B) can be formed from the reinforcing fiber yarn 13 by freely selecting a special shape, material, shape, thickness, etc., and thus formed. Since the reinforcing reinforcing fiber yarns 42 can be wound around the core material later, the winding state of the reinforcing bars 3 (3A, 3B) can be freely changed.

  In the bar processing apparatus 50 according to Examples 1 to 3 described above, particles having predetermined characteristics, such as sand, are attached around the bar 1 and the frictional force on the surface of the bar 1 is further increased. Is also good.

  In addition to the above-described processing method of the three bars 1, a method of winding the reinforcing bars 3 after manufacturing the core material 2 formed and cut to a predetermined length may be used. For example, FIG. The manufacturing method is not particularly limited as long as the reinforcing bars 3 are spirally wound around the core member 2 as shown in FIGS.

  The bar described in the present invention as described above has a characteristic higher than that of reinforcing bars as a substitute for reinforcing bars in reinforced concrete, but is easy to bend round, square, S-shaped, etc. It can be used as a base material for products. The U-groove concrete processed product using the bar of the present invention has high strength, corrosion resistance, alkali resistance, acid resistance, and a coefficient of thermal expansion that is almost the same as that of basalt fiber. It is possible to form a processed concrete product that is superior to that of the case.

It is explanatory drawing which showed two examples of the metal bar which concerns on the Example of this invention. It is a schematic explanatory drawing of the metal bar processing apparatus concerning the 1st example of this invention. It is a schematic explanatory drawing of the metal bar processing apparatus which concerns on 2nd Example of this invention. It is a schematic explanatory drawing of the metal bar processing apparatus which concerns on 3rd Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bar 2 Core material 3 (3A, 3B) Reinforcing bar 10, 30, 50 Bar processing apparatus 11 Basalt fiber thread 12 Bobbin for core 13 Fiber thread for reinforcing bar 14 Bobbin for reinforcing bar 15 Wire base material forming device 16 Muscle Gold base material 17 Resin impregnation device 19 Heat curing device 21 Drawer roller device 22 Cutting device 31 Core material forming device 33 Resin impregnation device 35 Heat curing device 40 Reinforcing bar forming device 41 Adhesive impregnation device

Claims (5)

Consists of a core material containing basalt fiber extending in one direction and a reinforcing bar having a direction different from the direction of the basalt fiber contained in the core material and added to the surface of the core material In the bar forming apparatus for forming the bar,
A plurality of core bobbins wound with basalt fiber yarns;
A reinforcing bar bobbin around which a reinforcing fiber yarn made of at least one selected from the group of glass fiber, carbon fiber and basalt fiber is wound;
Core material forming means for forming a core material by bundling basalt fiber yarns drawn from the bobbin for core material in one direction;
Reinforcing bar forming means for spirally winding a reinforcing fiber thread drawn from the reinforcing bar bobbin around the core material formed by the core material forming means;
Resin impregnating means for impregnating the base metal formed by the core material forming means and the reinforcing bar forming means with resin;
A heating and curing means for drying and curing the metal base material impregnated with the resin;
Muscle Kanabo forming apparatus, wherein at least constituted by a cutting means for cutting the Sujigane substrate was cured by heating curing means to a predetermined length. Consists of a core material containing basalt fiber extending in one direction and a reinforcing bar having a direction different from the direction of the basalt fiber contained in the core material and added to the surface of the core material In the bar forming apparatus for forming the bar,
A plurality of core bobbins wound with basalt fiber yarns;
A reinforcing bar bobbin around which a reinforcing fiber yarn made of at least one selected from the group of glass fiber, carbon fiber and basalt fiber is wound;
Core material forming means for forming a core material by bundling basalt fiber yarns drawn from the bobbin for core material in one direction;
Resin impregnating means for impregnating the core material formed by the core material forming means with resin;
Reinforcing bar forming means for spirally winding the reinforcing fiber thread drawn from the reinforcing bar bobbin around the core material impregnated with resin by the resin impregnating means;
A heating and curing means for drying and curing a wire base material formed by winding reinforcing bars by the reinforcing bar forming means;
Muscle Kanabo forming apparatus, wherein at least constituted by a cutting means for cutting the Sujigane substrate was cured by heating curing means to a predetermined length. Consists of a core material containing basalt fiber extending in one direction and a reinforcing bar having a direction different from the direction of the basalt fiber contained in the core material and added to the surface of the core material In the bar forming apparatus for forming the bar,
A plurality of core bobbins wound with basalt fiber yarns;
A reinforcing bar bobbin around which a reinforcing fiber yarn made of at least one selected from the group of glass fiber, carbon fiber and basalt fiber is wound;
Core material forming means for forming a core material by bundling basalt fiber yarns drawn from the bobbin for core material in one direction;
Resin impregnating means for impregnating the core material formed by the core material forming means with resin;
Heat curing means for drying and curing the core material impregnated with resin;
An adhesive impregnation means for impregnating the reinforcing fiber thread drawn from the reinforcing bobbin with an adhesive;
Reinforcing bar forming means for spirally winding the reinforcing fiber yarn impregnated with the adhesive by the adhesive impregnation means on the core material cured by the heat curing means;
The Sujigane substrate reinforcing fiber yarns are formed helically wound by reinforcing muscles forming means, muscle Kanabo forming apparatus, wherein at least constituted by a cutting means for cutting to length. The said bar | burr hardening means comprises a metal mold | die, The said metal-barrel base material is formed in a predetermined | prescribed shape, The metal-bar formation apparatus as described in any one of Claims 1-3 characterized by the above-mentioned. Furthermore, the metal bar forming apparatus according to any one of claims 1 to 4 , further comprising a drawing roller for drawing the wire base material before the cutting means.

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