KR100451923B1 - A manufacturing apparatus of bundle-type steel fiber for reinforcing the concrete structures - Google Patents

Abstract

The present invention relates to an apparatus for manufacturing a bundle type steel fiber for concrete reinforcement, which is incorporated into concrete when placing a concrete structure, thereby automating the manufacturing process of the steel fiber to reinforce the strength of the concrete structure, thereby improving the yield of the steel fiber and reducing costs. At the same time, the present invention relates to a device for manufacturing a bundle type steel fiber for concrete reinforcement to be evenly dispersed without being agglomerated with each other by the magnetic force of the steel fiber when the steel fiber is mixed in concrete.

To this end, the present invention, the sorter for arranging side by side in a multi-pull pull the multiple wires mounted on a plurality of rolls; An elastic eliminator installed between elevating guides supported by upper and lower rollers elastically supported by a spring so as to pass the steel wire drawn from the aligner to straighten the straight line; A tensioner in which a series of upper and lower rolling rollers are fixed to the support so as to continuously pass the steel wire in a straight line by the elastic eliminator and roll at the same time to reinforce strength; A sprayer in which an air compressor is installed at a nozzle such that the wires arranged in a row are bonded to each other by spraying a water-soluble adhesive on the surface of the steel wire rolled by the tensioner to be bonded to each other; A high frequency dryer installed at an upper end of the upper and lower rollers for transferring the steel wire to apply high frequency heat to the steel wire to which the water soluble adhesive is applied to dry the water soluble adhesive; A bending machine in which an upper bending roller having a concave portion formed at a predetermined interval on the outer circumferential surface and a lower bending roller having a convex portion opposite thereto are installed to be rotated to bend the bundle type steel wire continuously; A cutter having upper and lower roller cutters each having a cutting blade formed at a predetermined interval on an outer circumferential surface to cut the bundle type steel wire bent by the bending machine into one steel fiber; And a magnetic decomposition device is installed on the upper end of the conveyor belt for transporting the steel wire is characterized in that consisting of a magnetic remover to remove the magnet by applying a high voltage to the steel fiber cut by the cutter.

Description

A manufacturing apparatus of bundle-type steel fiber for reinforcing the concrete structures}

The present invention relates to an apparatus for manufacturing bundle-type steel fibers for concrete reinforcement, specifically, by incorporating concrete into concrete to automate the manufacturing process of steel fibers to reinforce the strength of concrete structures, thereby increasing the production of steel fibers and reducing costs. The present invention relates to a device for manufacturing a bundle-type steel fiber for concrete reinforcement to reduce and simultaneously distribute steel fibers in concrete.

In general, if only concrete is used when placing a concrete structure such as a tunnel or a bridge, excessive shear stress is generated inside the structure. To prevent this, wire mesh or concrete fibers are dispersed in concrete to prevent tensile strength and flexural strength of concrete. And physical properties such as wear resistance.

In this case, when the wire mesh is embedded in concrete, many voids are generated on the back surface of the wire mesh, and there is a concern that layer separation may occur due to vibration of the wire mesh.

On the other hand, when steel fibers are dispersed and used, the steel fibers strengthen the binding of the tissue in the concrete and distribute the impact from the outside through the steel fibers, thereby improving impact resistance and abrasion resistance, and the steel fibers are evenly distributed over the thickness of the concrete. As the tensile force is exerted throughout the concrete, it is possible not only to cast concrete structures that are reinforced uniformly in any direction, but also to cast them with a uniform thickness, thereby reducing costs by reducing the amount of concrete used. The use of steel fibers has increased a lot.

Accordingly, various manufacturing techniques for steel fibers mixed and used in concrete structures are being developed. Conventionally, the process of pressing, bending and cutting steel wire, which is a raw material, is performed separately when steel fibers are manufactured. There was a limitation in the amount of production and manufacturing costs are high.

In addition, when the steel fibers are dispersed and mixed in the concrete, due to the magnetic properties of the steel fibers are attracted to each other or not uniformly distributed in the concrete, there was a problem affecting the durability of the concrete structure.

The present invention was developed in order to solve the above problems, the concrete to improve the yield and reduce the cost at the same time by performing a series of processes, such as tension, bending and cutting in the production of steel fiber for concrete reinforcement An object of the present invention is to provide an apparatus for manufacturing a bundle type steel fiber for reinforcement.

In addition, another object of the present invention is to make the steel fiber into a bundle type when incorporating the steel fiber into concrete, and then to remove the magnetism to be easily separated from the concrete and to be uniformly dispersed in the concrete to improve the durability of the concrete structure. .

1 is a schematic view showing a manufacturing process of the bundle-type steel fiber for concrete reinforcement according to a preferred embodiment of the present invention

Figure 2a is a front view of the elastic eliminator according to the present invention

FIG. 2B is a side view of FIG. 2A

3a is a front view of a tensioner according to the invention

3B is a side view of FIG. 3A

4 is a side view of the sprayer according to the present invention;

5 is a front view of the high-frequency dryer according to the invention

6a is a front view of a bending machine according to the present invention;

FIG. 6B is a partial cross-sectional view taken along line A-A of FIG. 6A

FIG. 6C is an enlarged partial view of FIG. 6A

7a is a front view of a cutting machine according to the present invention;

FIG. 7B is a partial cross-sectional view taken along line B-B in FIG. 7A

FIG. 7C is an enlarged view of a portion of FIG. 7A

8 is a front view of the demagnetizer according to the present invention;

9 is a front view of the meter according to the invention

10 is a schematic view of a packaging machine according to the present invention.

<Code Description of Main Parts of Drawing>

1: Manufacturing apparatus of steel fiber 2: Aligner

3,3a, 3b: elastic eliminator 4: tensioner

5: sprayer 6: high frequency dryer

7: bending machine 8: cutting machine

9: demagnetizer 10: meter

11: packing machine 12a, 12b: upper and lower rollers

13a, 13b: upper and lower rolling roller 14: high frequency

15a, 15b: upper and lower bending roller 16a, 16b: upper and lower roller cutting machine

17: magnetic decomposition device 18: support

19a, 19b: Lifting guide 20a, 20b: Spring

21a, 21b: roller block 22: support

23: nozzle 24: air compressor

25 pump 26a, 26b upper and lower rollers

27 concave portion 28 convex portion

29: pad 30: drive device

31a, 31b: cutting blade 32: drive device

33: conveyor belt 34: electronic balance

35 motor 36 electronic sewing machine

50: regulator 100: steel fiber

200: steel wire

In order to achieve the above object, the apparatus for producing a bundle-type steel fiber for concrete reinforcement according to the present invention includes: a sorter for arranging side by side by pulling a plurality of steel wires mounted on a plurality of rolls; An elastic eliminator installed between elevating guides supported by upper and lower rollers elastically supported by a spring so as to pass the steel wire drawn from the aligner to straighten the straight line; A tensioner in which a series of upper and lower rolling rollers are fixed to the support so as to continuously pass the steel wire in a straight line by the elastic eliminator and roll at the same time to reinforce strength; A sprayer in which an air compressor is installed at a nozzle such that the wires arranged in a row are bonded to each other by spraying a water-soluble adhesive on the surface of the steel wire rolled by the tensioner to be bonded to each other; A high frequency dryer installed at an upper end of the upper and lower rollers for transferring the steel wire to apply high frequency heat to the steel wire to which the water soluble adhesive is applied to dry the water soluble adhesive; A bending machine in which an upper bending roller having a concave portion formed at a predetermined interval on the outer circumferential surface and a lower bending roller having a convex portion opposite thereto are installed to be rotated to bend the bundle type steel wire continuously; A cutter having upper and lower roller cutters each having a cutting blade formed at a predetermined interval on an outer circumferential surface to cut the bundle type steel wire bent by the bending machine into one steel fiber; And a magnetic decomposition device is installed on the upper end of the conveyor belt for transporting the steel wire is made of a magnetic eliminator to remove the magnetic by applying a high voltage to the steel fiber cut by the cutter.

In addition, in order to produce a steel fiber for concrete reinforcement according to the present invention, the steps of pulling the multiple wires from the plurality of rolls arranged side by side; Straightening the wires arranged in a row by passing the upper and lower rollers; Rolling the steel wires in a straight line through a series of upper and lower rolling rollers sequentially; Spraying a water-soluble adhesive with a sprayer on the surface of the rolled steel wires; Applying a high frequency heat to the steel wires to which the water-soluble adhesive is applied and drying the same to form a bundle; Continuously bending the wires in a bundle form through upper and lower bending rollers; Cutting the bent steel wires in units of upper and lower roller cutters to form bundle-type steel fibers; And discharging and removing magnetic properties of the steel fibers by applying a high voltage to the steel fibers cut in units.

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

1 shows an apparatus for producing a bundle-type steel fiber for concrete reinforcement according to a preferred embodiment of the present invention, referring to the drawings, the apparatus (1) for producing a bundle-type steel fiber for concrete reinforcement of the present invention is a multiple wire Aligner (2) for arranging the arrangement of the side by side, elastic eliminator (3) to straighten and realign the wires aligned by the aligner, and tensioner (4) to reinforce the strength by rolling the steel wires in a straight line And a sprayer (5) for spraying a water-soluble adhesive on the surfaces of the stretched steel wires, a high frequency dryer (6) for bonding and bonding the steel wires while drying the water-soluble adhesive applied to the steel wires, and by bonding A bending machine (7) for continuously bending the bundles of steel wires, a cutter (8) for cutting the wires into one bundle-type steel fiber, and And the magnetic remover (9) for removing the magnetic lines having arranged in sequence, these will be collectively adjusted and controlled by a regulator (50).

This will be described in detail below.

The aligner 2 arranges the steel wires, which are raw materials of the steel fibers, and aligns them in multiple rows so that the multiple wires mounted on a plurality of rollers (not shown) are pulled at a constant speed and arranged side by side.

The elastic eliminator 3 straightens the steel wires drawn from the aligner so that deformation such as bending does not occur, and a plurality of lifting guides 19a and 19b supported by the support 18 are installed on the upper and lower sides thereof, and between them. The upper and lower rollers 12a and 12b are continuously provided for each of the roller blocks 21a and 21b elastically supported by the springs 20a and 20b. In this case, the elastic eliminator may be configured as a primary and secondary elastic eliminator so as to arrange the steel wires again (see FIGS. 2A and 2B).

The tensioner 4 reinforces the strength by aligning the steel wires in a straight line, and a series of upper and lower rolling rollers 13a and 13b are installed to engage each other in the shape of a male and female by the support 22 (Fig. 3A). , See FIG. 3B).

Sprayer (5) is to apply the adhesive to the surface of the steel wire to make the bundle of the multi-layer wires (bundle type), the sprayer through the nozzle (23) to wire the water-soluble adhesive together with the compressed air The air compressor 24 is sprayed on the surface of the field, and when the water-soluble adhesive is sprayed on the steel wire by the operation of the pump 25, the steel wires are bonded to each other (bonding) to be bundled. In this case, a spray gun may be used as the sprayer (see FIG. 4).

The high frequency dryer (6) is to quickly dry the water-soluble adhesive applied on the surface of the steel wires by using a high frequency, high voltage, the high frequency dryer is provided with a high frequency generator (14) with a heat sensor and a temperature controller and the high frequency The lower end of the machine is provided with a series of upper and lower rollers 26 and 26b through which steel wires pass. When uniform heat is applied to the steel wire passing through the upper and lower rollers with the high frequency wire, the steel wire generates heat and is applied to the surface of the steel wire. The water soluble adhesive solidifies as it is dried (see FIG. 5).

At this time, after detecting the high frequency heat applied to the steel wire using a heat sensor (not shown), the temperature is adjusted so that the steel wires are dried in accordance with the feed rate of the steel wire passing through the upper and lower rollers by appropriately adjusting the temperature with a temperature controller (not shown). You can adjust it.

The bending machine 7 is formed by bonding the steel wires which are bonded to each other by bonding to form a bundle, and the bending machine has a radius of curvature in the upper and lower parts and the upper and lower bending rollers 15a and 15b having a curved portion on the outer circumferential surface thereof so as to be engaged with each other. The upper bending roller 15a is provided with a recess 27 at regular intervals over the entire outer circumferential surface, and the lower bending roller 15b is formed with a recess of the upper roller at regular intervals over the entire outer circumferential surface. Opposing convex portions 28 are formed (see Figs. 6A, 6B and 6C).

Accordingly, when the driving device 30 installed at the lower ends of the upper and lower bending rollers 15a and 15b and managed by the regulator 50 is driven, the upper and lower bending rollers are rotated so that the concave portion 27 and the convex portion are rotated. 28 rotates in close contact with each other and continuously bends the steel wires passing therebetween.

At this time, a flat portion between the convex portion 28 and the convex portion 28 of the lower bending roller 22b is installed to protrude a pad 29 having an elastic force such as urethane, thereby rotating the upper and lower bending rollers. The steel wires passing therebetween are supported by the urethane pad to be in close contact with the upper bending roller.

The cutter 8 cuts the bent steel wires into units of one bundle-type steel fiber, and the cutter consists of upper and lower roller cutting machines 16a and 16b having a large radius of curvature at the upper and lower portions and a curved portion at the outer circumferential surface thereof. The upper and lower roller cutting machines are provided with cutting edges 31a and 31b at regular intervals on each outer circumferential surface thereof (see FIGS. 7A, 7B and 7C).

Accordingly, when the driving device 32 installed at the lower ends of the upper and lower roller cutters 16a and 16b and managed by the controller 50 is driven, the steel wires passing therebetween are cut as the upper and lower roller cutters are rotated. The bundle type steel fibers 100 are manufactured by continuously cutting the blades 31a and 31b.

Demagnetizer (9) is to remove the magnetism of the bundle-type steel fiber to prevent the agglomeration or tangling with each other by magnetic force when the steel fiber is mixed and dispersed in concrete, the demagnetizer is equipped with an electrical magnetic decomposition device (17) At the bottom, a conveyor belt 33 for transporting steel fibers is provided (see FIG. 8).

The meter 10 is to quantify the steel fiber, and is composed of an electronic balance 34 having an load cell and an indicator, which are operated by a motor 35 installed at the bottom (see FIG. 9).

The packing machine 11 wraps and unloads the said steel fiber, and is equipped with the electronic sewing machine 36 (refer FIG. 10).

The regulator 50 is to control and control the speed of each of the components, each component in the apparatus for producing a bundle type steel fiber for concrete reinforcement according to the present invention is adjusted and managed as a whole by the regulator.

Referring to the method of manufacturing the steel fiber using the apparatus for producing a bundle-type steel fiber for concrete reinforcement of the present invention having the above configuration as follows.

First, several wires wound on a plurality of rolls (not shown) are put into the aligner 2 and pulled at a constant speed so that the wires are aligned in a row.

The wires arranged side by side by the aligner 2 are sequentially introduced into the first and second elastic eliminators 3a and 3b, and the upper and lower rollers 12a are operated by operating a motor (not shown) controlled by the regulator 50. When rotating 12b), the steel wires 200 are straightened while passing through them.

The first and second elastic eliminators (3a, 3b) in a straight line into the tensioner (4) and a series of upper and lower rolling rollers (13a, 13b) when rotating a circular cross-sectional shape passing between them The steel wires are rolled sequentially, thus forming the elastic and finish repeatedly.

At this time, the wires of the circular cross-sectional shape is changed in cross section by rolling, thereby increasing the strength as the density of the steel wire is increased, and when these steel wires are mixed in concrete, the internal strength of the concrete becomes stronger.

Subsequently, the steel wires rolled by the tensioner 4 are introduced into the sprayer 5, and the water-soluble adhesive is sprayed on the surface of the steel wires through the nozzle 23 together with the air compressed by the air compressor 24. The wires are bonded to each other.

At this time, the water-soluble adhesive applied to the surface of the wires is easily separated in the concrete as it is easily dissolved by the water contained in the concrete in the process of incorporating the steel fibers into the concrete.

When the wires coated with the water-soluble adhesive by the sprayer 5 are introduced into the high frequency dryer 6 and the high frequency is injected to the wires passing between the upper and lower rollers 26a and 26b using the high frequency machine 14, As the wires are generated by high frequency power, the water-soluble adhesive attached to the surfaces of the wires is dried and solidified, thereby forming the bundles.

Next, when the bundle type steel wires dried by the high-frequency dryer 6 are introduced into the bending machine 7 and the driving device 30 is operated, the steel wires passing between the upper and lower bending rollers 15a and 15b are rotated. It is continuously bent in accordance with the rotation of the engagement of the concave portion 27 and the convex portion 28 formed on the outer peripheral surface of the upper and lower bending rollers, respectively.

When the bundle type wires bent by the bending machine 7 are introduced into the cutting machine 8 and the driving device 32 is operated, the upper and lower roller cutting machines 16a and 16b rotate and pass through the middle of the bent steel wires passing therebetween. A bundle type steel fiber 200 is manufactured by the part being continuously cut by the cutting blades 31a and 31b formed on the outer circumferential surface of the upper and lower roller cutting machines.

When the bundle type steel fiber cut by the cutter 8 is introduced into the demagnetizer 9 and high voltage is applied to the wires transferred to the conveyor belt 33 by the magnetic decomposition device 17, the magnetic force of the wires is discharged accordingly. It is broken down and removed.

The steel fiber manufactured according to the above method is driven into the meter 10 equipped with the electronic balance 34 by operating the motor 35, and the steel wires are weighed by a fixed amount, and then the packing operation is completed using the electronic sewing machine 36. And ship.

When the bundle-shaped steel fibers prepared as described above are mixed into concrete, the water-soluble adhesive applied between the steel fibers is melted in the concrete and evenly dispersed, and when it is attached to the construction surface with a fastener, the concrete is cured in a short time and according to the present invention. The strength of the concrete structure is reinforced by the steel fibers.

According to the manufacturing apparatus of the bundle-type steel fiber for concrete reinforcement of the present invention as described above, in the steel fiber to be mixed into the concrete when the concrete structure is placed to reinforce the strength of the concrete structure, such as tensile, bending and cutting of the steel fiber By automating a series of processes, the production of steel fibers can be significantly increased compared to the conventional one, and the manufacturing cost can be reduced.

In particular, in the present invention, by injecting a water-soluble adhesive on the surface of the steel fiber in the process of manufacturing the steel fiber and dried it to be produced in a bundle form, the steel fiber can be easily separated and evenly dispersed in concrete.

At the same time, by removing the magnetic properties of the steel fiber can be uniformly dispersed without agglomeration with each other by the magnetic force when mixing the steel fiber inside the concrete.

Therefore, when the concrete structure such as tunnels or bridges is poured by using the steel fibers mixed with the concrete in the concrete, the durability and structural strength of the concrete can be improved.

Claims (2)

A sorter for arranging the multi-branched steel wires mounted on a plurality of rolls and arranging them side by side; An elastic eliminator installed between elevating guides supported by upper and lower rollers elastically supported by a spring so as to pass the steel wire drawn from the aligner to straighten the straight line; A tensioner in which a series of upper and lower rolling rollers are fixed to the support so as to continuously pass the steel wire in a straight line by the elastic eliminator and roll at the same time to reinforce strength; A sprayer in which an air compressor is installed at a nozzle such that the wires arranged in a row are bonded to each other by spraying a water-soluble adhesive on the surface of the steel wire rolled by the tensioner to be bonded to each other; A high frequency dryer installed at an upper end of the upper and lower rollers for transferring the steel wire to apply high frequency heat to the steel wire to which the water soluble adhesive is applied to dry the water soluble adhesive; A bending machine in which an upper bending roller having a concave portion formed at a predetermined interval on the outer circumferential surface and a lower bending roller having a convex portion opposite thereto are installed to be rotated to bend the bundle type steel wire continuously; A cutter having upper and lower roller cutters each having a cutting blade formed at a predetermined interval on an outer circumferential surface to cut the bundle type steel wire bent by the bending machine into one steel fiber; And Magnetic decomposing device is installed on the upper end of the conveyor belt for conveying the steel wire is a device for manufacturing a bundle-type steel fiber for concrete reinforcement, characterized in that consisting of a magnetic remover to remove the magnet by applying a high voltage to the steel fiber cut by the cutter. delete