KR101700288B1 - Manufacturing System and Method of Squared Rods - Google Patents

Abstract

The present invention relates to a system and a method to manufacture a squared rod, capable of manufacturing a variety of squared rods through a plurality of extrusion steps by receiving raw materials. The present invention comprises: a raw material supply device supplying raw materials; a preparatory correction device receiving the raw materials from the raw material supply device, and then correcting the materials into a linear rod; a scale removing device receiving the rod, corrected by the preparatory correction device, and then removing scale formed on the rod; a forming device receiving the rod of which scale is removed by the scale removing device, and then drawing the rod at least one step to form the rod into a squared rod having a predetermined shape; a correcting device receiving the squared rod, formed by the forming device, and then correcting the rod into a linear shape; and a cutting step of receiving the squared rod, corrected by the correcting device, and then cutting the rod to a predetermined length.

Description

Technical Field [0001] The present invention relates to a manufacturing system and a method for manufacturing a square rod,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a square bar manufacturing system and a manufacturing method thereof, and more particularly, to a square bar manufacturing system and a manufacturing method implemented to manufacture various bar shapes through a plurality of extrusion stages.

The term "section steel" refers to a rolled product and a roll forming product in the form of pipes (bars) having various sectional shapes, and is mainly used for a steel structure such as a building outer wall fixing frame.

The molten steel is injected into the shape of a footstep to form a steel ingot, and the impurities are removed to make it compact. The steel is then reheated in a heating furnace, and the molten steel is rolled into a rolling mill. Thereafter, it is divided into the following types according to the sectional shape: isosceles a-shape, unequal-shaped a-shape, H-shape, I-shape, D-shape, Z-shape, T-shape, C-shape,

The tensile strength is generally 40 to 60 kg / mm 2 as the general structural rolled steels, and the length of those sold on the market is usually 6 to 10 m.

Each of the tubes or rods is formed by molding a coil into a round shape in a dimmer, fixing the parts to be joined together by high frequency welding, shaping them through finishing on an outer diameter, So as to form a rectangular tube or a square tube.

Such a square or square bar may be combined with a panel to be combined with it to be used for building interior decoration and construction, or to be folded to be used for a house frame or the like.

Korean Patent No. 10-1244523 discloses a rectangular tube forming apparatus for easily separating and connecting upper and lower forming rollers having a radius of curvature and left and right forming rollers so that they can be easily set by a novice without having to adjust them according to the dimensions of a square tube A first moving base vertically installed at the front and rear sides of the lower pedestal and forming a coupling space, a second moving pedestal installed symmetrically to the first moving pedestal and spaced apart at a predetermined interval in the horizontal direction, A frame including a pedestal and an upper pedestal coupled to an upper portion of the first and second movable pedestals; Upper and lower forming rollers respectively installed on upper and lower sides between the first and second moving pedestals; Upper and lower fixing members fixed to the engaging spaces of the first and second moving pedestals to grip the left and right sides of the upper and lower shaping rollers, respectively; Left and right forming rollers that are installed between the upper and lower fixing members in a detachable manner; Left and right conveying means for conveying the first and second moving pedestals and the upper and lower fixing members to the left and right sides to separate and combine the upper and lower shaping rollers; And upper and lower conveying means for conveying the upper fixing member upward to separate and join the left and right forming rollers. According to the disclosed technology, the upper and lower forming rollers and the left and right forming rollers are separated and joined by the left and right conveying means and the upper and lower conveying means so that the upper and lower forming rollers having the radius of curvature and the left and right forming rollers do not need to be adjusted according to the dimensions of the square tube. It can be easily separated and combined so that the setting can be easily performed.

Korean Registered Patent No. 10-1353025 (Apr. 13, 2014), a material having a narrower development width than that of the existing standard and having the same thickness is processed and supplied, and the width of the material spreading is increased through the drawing of the first bending shape and the embossing roller processing, Is produced by planar compression molding and supplied to the secondary roller flat-pressed plastic working material to reduce the material and maintain the stiffness of the existing product standard. By supplying the condition that the supply width of the material is greatly reduced, The present invention relates to a shape roller-type inner stepped pipe for saving material and maintaining stiffness which can reduce the cost of raw material by 15 to 30% or more because it can be expanded to have an expanded width and a manufacturing method thereof. According to the disclosed technique, a material having a standard thickness and a narrow development width of 15 to 30% is supplied, and a drawing and an embossed portion are formed by a shape roller processing to form a first drawing and an embossing material in which the developing width is increased, Drawing and embossing forming material (30) are flat-pressed to form a compression-molded part, and a secondary flat-pressing molding material is molded so as to have a developing width of a normal size. The secondary press-molding molding material is supplied, And the material thickness step is formed in the inner diameter and is welded at the welding part to form a circular pipe.

In the conventional apparatus for manufacturing a square bar as described above, the size of the square bar can be changed to a certain extent, but it is not possible to change from a rectangular bar having a small dimension to a square bar having a large dimension. For this purpose, It is necessary to set the time correctly.

Korean Patent No. 10-1244523 Korean Patent No. 10-1353025

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a square bar manufacturing system and a manufacturing method thereof, in which various types of square bar are manufactured through a plurality of extrusion stages.

In order to solve such a problem, according to one aspect of the present invention, there is provided a raw material supply apparatus for supplying raw materials; A preliminary calibrating device for calibrating the raw material supplied from the raw material supply device to a straight rod; A scale removing device for receiving a rod calibrated in the preliminary calibrating device and removing a scale formed on the rod; A shaping device for receiving the scaled rods from the descaling device and drawing them into one or more stages to form a rectangular bar having a predetermined shape; A calibrating device for calibrating a square bar formed by the molding device in a straight line shape; And a cutting device for receiving the calibrated bar from the calibrating device and cutting it to a predetermined length.

In one embodiment, the molding apparatus comprises: a table portion forming a space in the longitudinal direction at an upper portion; One or more shaping parts inserted into one side of the upper space of the table part, for receiving the scaled rods from the descaling device and drawing them out in one or more stages; And a tension unit mounted on another side of the upper part of the table unit, for pulling the scaled rod off the scale removing unit.

In one embodiment, the table portion includes: a main body member for inserting the forming portion and the tension portion into an upper portion; One or more fastening groove members formed at one side of the upper portion of the body member for fastening the formed portions by being inserted; And a slide groove member formed on the other side of the upper portion of the body member for slidingly moving the pulling portion.

In one embodiment, the table portion may further include a heating member mounted on one end of the upper portion of the body member, for heating the rod transmitted from the descaling device to the forming portion.

In one embodiment, the table portion further includes a first magnetic force coupling member formed along an inner side of the coupling groove member and generating a magnetic force by being supplied with electric power, for coupling the forming portion inserted into the coupling groove member can do.

In one embodiment, the pulling portion includes: a tensioning body member for being installed on another side of the upper space of the table portion; A grip member for pulling a rod formed in the forming unit; And a tensile member for moving the tensile body member in one direction or another direction in the upper space of the table portion.

In one embodiment, the forming portion may include: a frame member to be inserted into the fastening groove member; And a molding hole member formed in the frame member and forming a hole for molding the scaled rod in the descaling apparatus.

In one embodiment, the forming unit may further include a second magnetic force coupling member formed along an outer side of the frame member and generating magnetic force by receiving electric power to fasten the frame member to the coupling groove member .

In one embodiment, the molding apparatus includes an input unit for inputting a material of the raw material and a molding form of the rod; A memory unit for storing information on the material of the raw material and the tensile speed corresponding to the shape of the rod in advance; And a control unit for receiving the material form of the raw material and the molding form of the rod from the input unit, reading the information about the tensile speed corresponding thereto from the memory unit, generating a tensile control signal corresponding thereto, and transmitting the tension control signal to the tensile unit have.

According to another aspect of the present invention, there is provided a method for supplying raw material to a raw material supplying apparatus, A preliminary calibration step of correcting the raw material from the raw material supply device to a straight rod by receiving the raw material from the preliminary correction device; A scale removal step of receiving a calibration rod from the preliminary calibration apparatus in a scale removal apparatus and removing a scale formed on the rod; A forming step of receiving a scaled rod from the descaling device and drawing it into one or more stages to form a square bar having a predetermined shape; A calibrating step of calibrating a shaped bar received in the forming device in a straight line shape in a calibrating device; And a cutting step of receiving the calibrated bar from the calibrating device in the cutting device and cutting it to a predetermined length.

According to the present invention, it is possible to provide a square bar manufacturing system and a manufacturing method that are manufactured so as to manufacture various types of square bars through a plurality of extrusion stages by receiving raw materials, and thereby can freely change the dimensions of the square bar, So that it is possible to manufacture a square rod of

1 is a view for explaining a square bar manufacturing system according to an embodiment of the present invention.
Fig. 2 is a view for explaining a first example of the molding apparatus shown in Fig. 1. Fig.
Fig. 3 is a view for explaining the forming unit shown in Fig. 2; Fig.
Fig. 4 is a view for explaining a second example of the molding apparatus shown in Fig. 1. Fig.
5 is a flowchart illustrating a method of manufacturing a square bar according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. However, the description of the present invention is merely an example for structural or functional explanation, and the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the present invention should be understood to include equivalents capable of realizing technical ideas. Also, the purpose or effect of the present invention should not be construed as limiting the scope of the present invention, since it does not mean that a specific embodiment should include all or only such effect.

Meanwhile, the meaning of the terms described in the present invention should be understood as follows.

The terms "first "," second ", and the like are intended to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

It should be understood that the singular " include "or" have "are to be construed as including a stated feature, number, step, operation, component, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used predefined terms should be interpreted to be consistent with the meanings in the context of the related art and can not be interpreted as having ideal or overly formal meaning unless explicitly defined in the present invention.

The present invention will now be described in detail with reference to the accompanying drawings showing a square bar manufacturing system and a manufacturing method according to an embodiment of the present invention.

1 is a view for explaining a square bar manufacturing system according to an embodiment of the present invention.

1, the square bar manufacturing system 10 includes a raw material supply apparatus 100, a preliminary calibrating apparatus 200, a descale apparatus 300, a molding apparatus 400, a calibrating apparatus 500, 600).

The raw material supply apparatus 100 supplies the raw material (i.e., a square bar or a round bar) to the preliminary calibrating device 200. At this time, the rod means a rod, which is manufactured by cold rolling, cold drawing, grinding, cutting, or a combination of the materials specified as a steel material rolled or forged in a bar shape, followed by heat treatment or pickling if necessary, Steel, and the cross-sectional shape is a round bar, a square bar, and a hexagon bar (hexagonal bar).

The preliminary calibrating apparatus 200 receives the raw material from the raw material supplying apparatus 100, corrects the supplied raw material to a straight rod, and transmits the calibrated rod to the descale removing apparatus 300.

,

,

의 3층구조를 이룬다. 가열온도가 낮거나 가열시간이 짧으면 스케일의 두께가 얇은데, 이러한 스케일은 보통 흑피(黑皮)라고 한다.The scale removing apparatus 300 receives the rod calibrated by the preliminary calibrating apparatus 200, removes the scale formed on the calibrated rod, and transmits the rod whose scale has been removed to the forming apparatus 400 . At this time, the scale refers to an oxide layer formed on the surface when a metal such as a steel-copper alloy is heated at a high temperature. Scale is generated when the steel is heated to perform heat treatment such as quenching or annealing,

,

,

Layer structure. If the heating temperature is low or the heating time is short, the thickness of the scale is thin. Such a scale is usually called blackness.

The shaping apparatus 400 receives the scaled rods from the descaling apparatus 300 and extracts the scaled rods in one or more stages to form a predetermined shape (for example, A polygonal or cylindrical shape such as an oblique or hexagonal bar), and transmits the formed square bar to the correcting device 500.

In one embodiment, the molding apparatus 400 may be configured as a single device, instead of forming the scallops by drawing the scaled rods delivered from the descale apparatus 300 in one or more stages, The scale removing device 300 may be configured to extract the scaled rods in a plurality of steps to form the rods.

The calibration apparatus 500 receives the shaped bar from the molding apparatus 400, calibrates the received bar in a straight line, and transmits the calibrated square bar to the cutting apparatus 600.

The cutting device 600 receives the calibrated square bar from the calibrating device 500, and cuts the received square bar to a predetermined length (i.e., a length required by the consumer).

The square-spike manufacturing system 10 having the above-described configuration may further include an accuracy-correcting apparatus 700.

The precision calibrating apparatus 700 receives the cut rods cut in the cutting apparatus 600 and calibrates the delivered rods in the form of a predetermined shape (that is, a shape that is intended to be molded in the forming apparatus 400).

In one embodiment, the precision calibrator 700 can be used to calibrate a cutting surface of a prism that can be deformed in the form that it is intended to form in the molding apparatus 400, while being calibrated or cut in the calibration apparatus 500 or the cutting apparatus 600 It can be calibrated by the set shape of the bar.

The square bar manufacturing system 10 having the above-described configuration can supply various raw materials and produce various types of square bars through a plurality of extrusion stages to change the dimensions of the free square bar, A square bar can be made.

Fig. 2 is a view for explaining a first example of the molding apparatus shown in Fig. 1. Fig.

Referring to FIG. 2, the forming apparatus 400 includes a table portion 410, one or more forming portions 420, and a tensioning portion 430.

The table portion 410 has a molding portion 420 inserted into one side of the upper portion thereof and a space in the longitudinal direction for mounting the tension portion 430 on the other side thereof.

In one embodiment, the table portion 410 may include a main body member 411, a fastening groove member 412, and a slide groove member 413.

The main body member 411 is formed by inserting a forming portion 420 into a fastening groove member 412 formed at an upper portion thereof and inserting a tension portion 430 into a slide groove member 413 formed at the upper portion thereof.

The fastening groove member 412 is formed on one side of the upper portion of the body member, and the formed portion 420 is inserted and fastened.

The slide groove member 413 is formed on the other side of the upper portion of the body member, and causes the tension portion 430 to slide.

In one embodiment, the table portion 410 may further include a heating member 414 and a first magnetic force fastening member 415.

The heating member 414 is attached to one end of the upper portion of the body member 411 and heats the rod which is transmitted to the forming unit 420 in the descaling unit 300, ).

The first magnetic force fastening member 415 is formed along the inner side of the fastening groove member 412 and receives a power to generate a magnetic force to fasten the formed portion 420 inserted into the fastening groove member 412.

In one embodiment, the first magnetic force fastening member 415 can be formed not only by electromagnet by electric power, but also by a permanent magnet.

The forming part 420 is inserted into one side of the upper space of the table part (more specifically, the fastening groove member 412) and receives the scaled rods from the descaling device 300, Drawing (that is, drawing a bar or pipe through a die having a smaller cross-sectional area than that of the die or pipe, thereby obtaining a cross-sectional product having the same shape as a die bore. Drawing of a thin diameter line is called "drawing" Generally, it is applied to most of carbon steel, alloy steel and non-ferrous metals. It is applied to nickel or plated steel sheet beforehand and then it is drawn. Which has an antioxidant effect).

The tension unit 430 is installed on the other side of the upper space of the table unit and pulls the scaled rod from the scale removing unit 300 so that the forming unit 420 scales in the descaling unit 300 Pull out the removed rod.

In one embodiment, the tensioning portion 430 may include a tensioning body member 431, a gripping member 432, and a tensioning member 433.

The tension body member 431 is mounted on the other side of the upper portion of the table portion.

The grip member 432 pulls the rod formed by the molding part 420.

The tension member 433 moves the tension body member 431 in one direction or another direction in the upper space of the table portion 410.

Fig. 3 is a view for explaining the forming unit shown in Fig. 2; Fig.

Referring to Fig. 3, the molding section 420 includes a frame member 421 and a molding hole member 422. Fig.

The frame member 421 is inserted into the fastening groove member 412 to form a molding hole member 422. [

The molding hole member 422 is formed in the frame member 421 and forms a hole for forming the scaled rods in the descaling apparatus 300.

The forming portion 420 having the above-described configuration may further include a second magnetic force fastening member 423.

The second magnetic force fastening member 423 is formed along the outer side of the frame member 421 and receives a power to generate a magnetic force to fasten the frame member 421 to the fastening groove member 412.

In one embodiment, the second magnetic force fastening member 423 may be formed by electromagnetism by electric power, or may be formed by a permanent magnet.

The molded part 420 is formed along the outer side of the frame member 421 and receives a power to generate a magnetic force to fasten the frame member 421 to the fastening groove member 412.

Fig. 4 is a view for explaining a second example of the molding apparatus shown in Fig. 1. Fig.

4, the molding apparatus 400 includes a table unit 410, one or more molding units 420, a tension unit 430, an input unit 440, a memory unit 450, and a control unit 460, . The table portion 410, the one or more forming portions 420, and the tensioning portions 430 are the same as those of FIG. 2, and thus description thereof will be omitted.

The input unit 440 receives the material of the raw material and the molding form of the rod, and transmits the material of the raw material and the molding form of the rod to the controller 460.

The memory unit 450 stores information about the material of the raw material and the tensile speed corresponding to the molding form of the rod in advance.

The control unit 460 receives the material of the raw material and the molding form of the rod from the input unit 440 and reads the information about the material of the raw material and the tensile speed corresponding to the molding form of the rod from the memory unit 450, And generates a tensile control signal corresponding to the tensile speed corresponding to the material of the raw material and the shape of the rod to be read, and transmits the generated tensile control signal to the tension unit 430 to establish the tension unit 430.

The molding apparatus 400 having the above-described configuration may further include a molding supply apparatus (not shown in the drawings for convenience of explanation).

The forming and feeding device selects the forming part 420 corresponding to the forming shape of the rod according to the frame selection control signal and selects the forming part 420 on one side of the upper part of the table part (more specifically, ).

In one embodiment, the memory unit 450 may store and store information about a frame corresponding to the molding form of the rod in advance.

In one embodiment, the input unit 440 receives a frame corresponding to the forming mode of the rod, and can transmit the frame corresponding to the input forming mode of the rod to the control unit 460.

In one embodiment, the control unit 460 receives a frame corresponding to the forming form of the rod from the input unit 440, reads information about the frame corresponding to the input forming form of the rod from the memory unit 450, Generates a frame selection control signal corresponding to information on the read frame, and transmits the generated frame selection control signal to the molding supply device to control the molding supply device.

5 is a flowchart illustrating a method of manufacturing a square bar according to an embodiment of the present invention.

Referring to FIG. 5, the raw material supplying apparatus 100 supplies raw materials to the preliminary calibrating apparatus 200 (S100).

The preliminary proofreading apparatus 200 receives raw materials from the raw material supplying apparatus 100, corrects the supplied raw materials into linear rods, and transmits the corrected rods to the scale removing apparatus 300 (S200) .

In the scale removing apparatus 300, the rod calibrated by the preliminary calibrating apparatus 200 is received, the scale formed on the calibrated rod received is removed, and the rod whose scale has been removed is transmitted to the forming apparatus 400 (S300).

In the molding apparatus 400, the scale-removed rods are received by the descale apparatus 300, and the rods with the scaled-down scale are removed in one or more stages to form predetermined shapes (for example, (E.g., a polygonal or cylindrical shape such as a hexagonal bar or a hexagonal bar), and transmits the formed square bar to the calibrating device 500 (S400).

The calibration apparatus 500 receives the formed bar from the molding apparatus 400 and calibrates the received bar in a straight line and transmits the calibrated bar to the cutting apparatus 600 at step S500.

The cutting device 600 receives the calibrated square bar from the calibrating device 500 and cuts the received square bar to a predetermined length (that is, a length required by the consumer) (S600).

The square bar manufacturing method (S10) having the above-described configuration receives the square bar cut by the cutting device 600 in the precision calibrating device 700 and transfers the square bar to the predetermined angle (that is, the forming device 400 (Step S700), which corrects the shape of the sphere of the sphere shape (i.e.

In one embodiment, the precision calibrator 700 can be used to calibrate a cutting surface of a prism that can be deformed in the form that it is intended to form in the molding apparatus 400, while being calibrated or cut in the calibration apparatus 500 or the cutting apparatus 600 It can be calibrated by the set shape of the bar.

The embodiments of the present invention are not limited to the above-described apparatuses and / or methods, but may be implemented by a program for realizing functions corresponding to the configuration of the embodiment of the present invention, a recording medium on which the program is recorded, And such an embodiment can be easily implemented by those skilled in the art from the description of the embodiments described above.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

100: Raw material supply device
200: preliminary calibration device
300: Scale removal device
400: Molding device
410: table portion
411: main component member
412: fastening groove member
413: Slide groove member
414: Heating element
415: first magnetic force fastening member
420:
421: frame member
422: molding hole member
423: second magnetic force fastening member
430:
431: Tension body member
432: grip member
433: Tension member
440: Input section
450:
460:
500: Calibration device
600: Cutting device
700: Precision calibration device
S10: Manufacturing method of square bar
S100: raw material supply step
S200: preliminary calibration step
S300: Kale removal step
S400: molding step
S500: Calibration step
S600: Cutting step
S700: Precision calibration steps

Claims (10)

Raw material supply equipment to supply raw materials;
A preliminary calibrating device for calibrating the raw material supplied from the raw material supply device to a straight rod;
A scale removing device for receiving a rod calibrated in the preliminary calibrating device and removing a scale formed on the rod;
A shaping device for receiving the scaled rods from the descaling device and drawing them into one or more stages to form a rectangular bar having a predetermined shape;
A calibrating device for calibrating a square bar formed by the molding device in a straight line shape; And
And a cutting device for receiving the calibrated bar from the calibrating device and cutting it to a preset length,
The molding apparatus includes a table portion forming a space in the longitudinal direction at an upper portion; One or more shaping parts inserted into one side of the upper space of the table part, for receiving the scaled rods from the descaling device and drawing them out in one or more stages; And a tension unit mounted on another side of the upper space of the table unit and pulling the scaled rod off the scale removing apparatus,
The table portion includes: a body member for inserting the forming portion and the tension portion into an upper portion; One or more fastening groove members formed at one side of the upper portion of the body member for fastening the formed portions by being inserted; And a slide groove member formed on another side of the upper portion of the body member, for slidingly moving the tension portion.
delete delete The apparatus according to claim 1,
Further comprising a heating member mounted on one end of the upper portion of the body member and heating the rod transmitted from the descaler to the forming unit.

The apparatus according to claim 1,
Further comprising a first magnetic force coupling member formed along an inner side of the coupling groove member and generating a magnetic force by receiving electric power to tighten the molding portion inserted into the coupling groove member.
2. The apparatus of claim 1,
A tension body member for being installed on another side of the upper space of the table portion;
A grip member for pulling a rod formed in the forming unit; And
And a tension member for moving the tensile body member in one direction or another direction in the upper space of the table portion.
The molding machine according to claim 1,
A frame member to be inserted into the fastening groove member; And
And a molding hole member formed in the frame member and forming a hole for forming the scaled rod in the descaling apparatus.
8. The image forming apparatus according to claim 7,
And a second magnetic force coupling member formed along the outer side of the frame member and generating magnetic force by receiving electric power to fasten the frame member to the coupling groove member.
The molding apparatus according to claim 1,
An input unit for receiving the material of the raw material and the molding form of the rod;
A memory unit for storing information on the material of the raw material and the tensile speed corresponding to the shape of the rod in advance; And
And a control unit for receiving information on the material rate of the raw material and the shape of the rod from the input unit, reading information about the tensile speed corresponding thereto from the memory unit, generating a tensile control signal corresponding thereto, and transmitting the tensile control signal to the tensile unit A square bar manufacturing system
A raw material supply stage for supplying raw materials to the raw material supply apparatus;
A preliminary calibration step of correcting the raw material from the raw material supply device to a straight rod by receiving the raw material from the preliminary correction device;
A scale removal step of receiving a calibration rod from the preliminary calibration apparatus in a scale removal apparatus and removing a scale formed on the rod;
A forming step of receiving a scaled rod from the descaling device and drawing it into one or more stages to form a square bar having a predetermined shape;
A calibrating step of calibrating a shaped bar received in the forming device in a straight line shape in a calibrating device; And
And a cutting step of cutting the calibrated square bar in the calibrating device to a predetermined length,
The molding apparatus includes a table portion forming a space in the longitudinal direction at an upper portion; One or more shaping parts inserted into one side of the upper space of the table part, for receiving the scaled rods from the descaling device and drawing them out in one or more stages; And a tension unit mounted on another side of the upper space of the table unit and pulling the scaled rod off the scale removing apparatus,
The table portion includes: a body member for inserting the forming portion and the tension portion into an upper portion; One or more fastening groove members formed at one side of the upper portion of the body member for fastening the formed portions by being inserted; And a slide groove member formed on another side of the upper portion of the body member, for slidingly moving the tension portion.

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