KR101882376B1 - System for manufacturing steel structure and its method - Google Patents

Abstract

The present invention relates to a system and a method of producing a steel structure, wherein the system including: multiple supply devices respectively supplying a main member corresponding to a shape of the steel structure, and multiple small members; multiple welding devices successively performing tack welding and main welding of the multiple small members to the main member in accordance with numerical control data (NC data) corresponding to three-dimensional (3D) modeling of the steel structure; and a transfer shuttle device successively transferring the main member welded with the small members from the multiple welding devices. Accordingly, it is possible to automatically produce the steel structure in accordance with the NC data corresponding to the 3D modeling of the steel structure.

Description

TECHNICAL FIELD [0001] The present invention relates to a steel structure manufacturing system,

The present invention is characterized by modeling an iron structure to generate NC data (numerical control data), supplying a main member and a small member through a supply device according to the generated NC data, And transferring the process to a next process through a transfer device by repeating the process according to the shape of the steel structure, and to a method for producing the steel structure by which the steel structure can be automatically produced.

As is well known, among the steel structures, the H beam (H beam) is widely used for construction and civil engineering. The production process of such an iron structure will be described. The raw materials are calculated through the drawings, After the first machining is carried out, it is transported to the pipe factory, and it can be produced by the production team composed of the company, the welder, the welder, and the tribute.

Here, in the production team, the main member, which becomes the skeleton of the steel structure, is arranged at a predetermined place, the steel pipe analyzes the drawing, the position where the component is attached is displayed, The welding and finishing work is carried out by a method in which the welded parts are directly welded, whereby the steel structure can be manufactured.

That is, when the production projet is started, the worker directly participates in all the production processes, so that there is a difference in the quality of the product depending on the ability of the production team, and the production speed also varies depending on the production team.

In addition, since the production work is carried out in a state in which parts to be manufactured are unfolded in any one workplace, it is difficult to apply the work immediately when the work order of the product is changed. When a heavy component is moved for change, There is a problem that a safety accident occurs due to use.

1. Korean Patent Laid-Open No. 10-2009-0025417 (published on March 11, 2009)

According to the present invention, a steel structure is modeled to generate NC data, a main member and a small member are supplied through a supply device in accordance with the generated NC data, the welding process and main welding process are performed through a plurality of welding devices, And a method for manufacturing a steel structure capable of automatically producing a steel structure by repeating the process of transferring the steel structure to a next process through a device according to the shape of the steel structure.

Further, according to the present invention, after a welding process is performed according to the shape of a steel structure, the steel structure to be transferred is rotated at an angle required for the work through a turning machine, thereby effectively performing a desired operation according to the shape of the steel structure A steel structure production system and a method thereof.

In addition, according to the present invention, by automatically driving and operating the supplying device, the plurality of welding devices, and the transferring device according to the production process by using the NC data, it is possible to prevent the quality difference from occurring according to the worker capability To provide a steel structure production system capable of producing high quality steel structures and capable of flexibly coping with changes in production plans of steel structures as well as smoothly producing steel structures of desired shapes .

The objects of the embodiments of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description .

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According to an aspect of the present invention, there is provided an apparatus for manufacturing a steel structure, comprising: a plurality of supply devices for respectively supplying a main member and a plurality of small members corresponding to the shape of the steel structure, and NC data corresponding to 3D modeling of the steel structure A plurality of welding devices for successively welding and welding the plurality of small members to the main member sequentially and a transfer shuttle device for sequentially transferring the main members to which the small members are welded in the plurality of welding devices, A main member supply device for supplying the main member in a conveyor manner and a plurality of small member supply devices for supplying the plurality of small members in the conveyor system or the cassette system, The apparatus includes a work table on which the main member is disposed to perform a welding process on the steel structure, A position adjuster for adjusting a center position of the main member while supporting the main member moved and transferred through the guide roller; There is provided a steel structure production system including a welding robot for welding and welding a small member, and a transfer carriage movably provided on a side surface of the work table for transferring the welding robot.

According to an aspect of the present invention, the plurality of welding apparatuses further include: a reference point pusher for setting a rear end portion of the main member disposed on the work table; and a reference point stopper for setting a front end portion of the main member disposed on the work table An optional steel structure production system can be provided.

According to an aspect of the present invention, the plurality of welding apparatuses may be provided with a steel structure production system that selectively includes a feeder for pressing and guiding the main member disposed through the guide rollers and the position adjuster .

Further, according to one aspect of the present invention, the plurality of welding apparatuses may be provided with a steel structure production system that selectively includes a turning machine that rotates the main member disposed at the work table at a predetermined angle.

Further, according to an aspect of the present invention, the plurality of welding apparatuses may be provided with a steel structure production system that selectively includes a presser that presses and fixes the main member disposed at the workbench.

Further, according to an aspect of the present invention, the plurality of welding apparatuses may be provided with a steel structure production system that selectively includes a fixing clamp for fixing the longitudinal front and rear ends of the main member disposed on the work table.

According to an aspect of the present invention, there is provided a transfer shuttle apparatus comprising: a transfer platform provided in a longitudinal direction of the plurality of welding apparatuses; and a transfer unit provided movably in the transfer platform, There may be provided an iron structure production system including a transportation shuttle, a shuttle guide rail for guiding the transportation of the transportation shuttle, a shuttle guide roller, and a shuttle transport motor for providing a driving force for transporting the transportation shuttle.

In addition, according to one aspect of the present invention, the transfer shuttle device includes: a main stroke position limit sensor for limiting the travel range of the transportation shuttle to the front and rear ends of the transportation platform; And a traveling buffer stopper provided so as not to be movable in the longitudinal direction of the vehicle.

According to another aspect of the present invention, there is provided a method of manufacturing a steel structure, comprising the steps of: supplying a main member corresponding to a shape of a steel structure to a welding apparatus; A second step of welding and pre-welding at least one of the plurality of small members to the main member in the apparatus; and a step of transferring at least one of the plurality of small members and the main member, And a fourth step of repeating the second step and the third step according to a welding process of the plurality of small members by using a plurality of welding apparatuses.

According to another aspect of the present invention, there is also provided a method of producing an iron structure in which the main member is supplied to the welding apparatus in a conveyor manner, and the plurality of small members are supplied in the conveyor system or the cassette system, respectively have.

According to another aspect of the present invention, the second step includes: transferring the main member to an upper portion of the workbench; moving and conveying the main member through the guide rollers and the positioner provided on the upper portion of the workbench; A step of adjusting the center position while guiding the workpiece to the workpiece table and arranging the same on the workpiece table by means of a welding robot carried through a transporting carriage provided on a side surface of the workpiece table, A method of producing an iron structure including a step of welding and pre-welding may be provided.

According to another aspect of the present invention, in the step of disposing the work table, the second step includes a step of moving the rear end portion of the main member through the reference point stopper selectively provided at the rear end portion and the front end portion of the work table, A method of producing a steel structure for setting the front end portion may be provided.

According to another aspect of the present invention, in the second step, the main member disposed through the guide rollers and the position adjuster in the step of disposing on the workbench is mounted on the workbench using a feeding device, A method of producing an iron structure for pressurizing and guiding can be provided.

According to another aspect of the present invention, there is provided a method of manufacturing a steel structure for rotating the main member at a predetermined angle through a turning machine, which is provided on the work table, .

According to another aspect of the present invention, there is provided a method of manufacturing a steel structure for pressing and fixing the main member, which is disposed through a presser selectively provided on the workbench, Can be provided.

According to another aspect of the present invention, in the second step, the steel structure for fixing the front and rear ends in the longitudinal direction of the main member disposed using the fixing clamps selectively provided on the workbench in the step of disposing the workbench, A production method can be provided.

According to another aspect of the present invention, in the third step, the main member is seated on a transportation shuttle provided movably in a transportation stand provided in the longitudinal direction in the plurality of welding apparatuses, A method of producing a steel structure guided and guided by the shuttle guide rail and the shuttle guide roller through the driving force of the feed motor can be provided.

According to another aspect of the present invention, in the third step, the travel range of the transportation shuttle is limited through the main stroke position limit sensor provided at the front and rear ends of the transportation stand and the travel buffer stopper provided at the rear end of the transportation stand. Thereby preventing the transfer shuttle from escaping.

The present invention models NC data by modeling an iron structure, supplies a main member and a small member through a supply device according to the generated NC data, performs a welding process and main welding process through a plurality of welding devices, The process of transferring to the next process through the device is repeatedly performed according to the shape of the steel structure, so that the steel structure can be automatically produced.

Further, according to the present invention, after performing any one welding process according to the shape of the iron structure, the iron structure to be transferred is rotated at an angle necessary for the work through the turning machine, so that desired work can be efficiently performed according to the shape of the iron structure .

In addition, according to the present invention, by automatically driving and operating the supplying device, the plurality of welding devices, and the transferring device according to the production process by using the NC data, it is possible to prevent the quality difference from occurring according to the worker capability Not only can it produce high quality steel structures, it can flexibly cope with changes in production plans of steel structures, and can smoothly produce steel structures of a desired shape.

Particularly, the present invention can automate the production process of iron structures, and can achieve a production amount twice as much as that of the prior art, and can automatically produce various types of iron structures as well as parking structures designed using commercial 3D modeling programs In addition to this, it is possible to produce a high-quality steel structure, as well as to ensure high productivity and improve production yield.

FIGS. 1A and 1B are views illustrating a steel structure production system according to an embodiment of the present invention,
FIGS. 2A to 2D are views illustrating a plurality of small-member supplying apparatuses according to an embodiment of the present invention,
3A to 3M are views illustrating a first welding apparatus according to an embodiment of the present invention,
4A through 4G are views illustrating a second welding apparatus according to an embodiment of the present invention,
5A through 5D are views illustrating a third welding apparatus according to an embodiment of the present invention,
6A and 6B are views illustrating a fourth welding apparatus according to an embodiment of the present invention,
7 is a diagram illustrating a transfer shuttle apparatus according to an embodiment of the present invention,
FIGS. 8 and 9 are flowcharts showing the process of performing the splice and main welding in the first welding apparatus according to another embodiment of the present invention.

Advantages and features of embodiments of the present invention and methods of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

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

FIGS. 1A and 1B are views illustrating a steel structure production system according to an embodiment of the present invention. FIGS. 2A to 2D are views illustrating a plurality of small-member supply apparatuses according to an embodiment of the present invention, FIGS. 3A through 3M illustrate a first welding apparatus according to an embodiment of the present invention. FIGS. 4A through 4G illustrate a second welding apparatus according to an embodiment of the present invention. FIGS. 6A and 6B illustrate a fourth welding apparatus according to an embodiment of the present invention. FIGS. 6A and 6B illustrate a fourth welding apparatus according to an embodiment of the present invention. 1 is a diagram illustrating a transfer shuttle apparatus according to an embodiment of the present invention.

Herein, FIGS. 1A and 1B schematically show a system diagram connected to each other and show the entire system in a separated state. The shear direction or the front end means the front direction in which the production process proceeds, The rear end may refer to a backward direction in which the production process proceeds. When the first welding device 200 and the fourth welding device 500 are viewed from the reference, the direction in which the fourth welding device 500 is positioned is the front end direction And the direction in which the first welding device 200 is positioned is the rear end direction (rear end).

Referring to the drawings, an iron structure production system according to an embodiment of the present invention includes a plurality of supply devices 100, a first welding device 200, a second welding device 300, a third welding device 400, A fourth welding device 500, a transfer shuttle device 600, and the like.

Here, the steel structure production system of the present invention can be provided with a plurality of welding apparatuses according to the number of the small members 20 to be welded to the main member 10, do.

The main member 10 constituting the steel structure may be spaced a predetermined distance apart from the web to form one flange and the other flange. The small member 20 may be formed by a web of the main member 10, A plate-shaped reinforcement member provided additionally on the inner side or the outer side of the plate member.

The plurality of supply devices 100 supply the main member 10 and the plurality of small members 20 corresponding to the shape of the steel structure (for example, H beam or the like) A plurality of small-member feeding devices 100B, and the like.

The main member feeder 100A is disposed at the rear end of the first welding device 100 and provides the main member 10 in a conveyor manner, And a main member 10 positioned on the conveyor belt can be supplied to the first welding device 100 through a conveyor belt of metal which is coupled to the rotating roller and moves according to the rotation of the rotating roller.

The plurality of small-member supply apparatuses 100B includes a first small-element supply apparatus 110B, a second small-element supply apparatus 120B, a third small-element supply apparatus 130B, a fourth small-element supply apparatus 140B, A plurality of small members 20 for reinforcing the web of the main member 10 and the one flange and the other flange can be supplied in a cassette type or a conveyor type, respectively.

For example, the first small-element supplying apparatus 100a and the second small-element supplying apparatus 120B are arranged in a cassette manner in the form of a first small element 20a and a second small element 20a among a plurality of small elements 20 The member 20b may be supplied to at least one of the first welding device 200, the second welding device 300, the third welding device 400 and the fourth welding device 500, The member 20a may be vertically joined and welded vertically to one flange, the other flange and the web of the main member 10 in the form of a rectangular plate having a relatively large difference in width and height as shown in Fig. 2A A receiving cassette capable of accommodating a plurality of small members 20a of the first type is provided on the upper part of the supporting structure and a small type member 20a of the first type located in the lowest layer is provided inside the supporting structure. Is provided in the receiving cassette Of the plurality of first types of small members 20a accommodated, the lowermost small member can be discharged one by one to the grip position.

As shown in FIG. 2B, the small-shape member 20b of the second embodiment is formed in a shape of a rectangular plate having a smaller width and a smaller length than the first shape, A plurality of small cassettes 20b of the second type can be accommodated in the upper portion of the support structure, and the lower portion of the support structure can be provided with the accommodated cassette The lifting means for lifting the two small members 20b are provided so that the uppermost small member among the plurality of second small members 20b housed in the receiving cassette can be exposed upwardly so that they can be gripped one by one.

On the other hand, the third small-element supply device 130B and the fourth small-element supply device 140B are formed by conveying the small-sized member 20c of the third type and the small-sized member 20d can be supplied to at least one of the first welding device 200, the second welding device 300, the third welding device 400 and the fourth welding device 500, 20c may be provided so as to be welded and welded to the outer surface of one flange or the other flange of the main member 10 in the form of an H beam of a relatively smaller size than the main member 10 as shown in Fig. However, the specific configuration and operation process are similar to the main member feeder 100A, and thus will not be described.

As shown in FIG. 2D, the small member 20d of the fourth embodiment is provided with a main plate and an extension plate vertically protruding from both ends thereof. The flange of the main member 10 or the flange of the other flange may be provided so as to be welded and welded to the outer surface of the flange or the other flange of the main member 10. The detailed construction and operation of the flange are similar to those of the main member feeder 100A .

The plurality of small members 20 as described above are respectively disposed in the first welding device 200, the second welding device 300, the third welding device 400 and the fourth welding device 500 The small member to be supplied to the first welding apparatus 200 for preventing the confusion of the terms is the first small member and the second small member is the second small member, The small member supplied to the welding apparatus 300 is a second small member, the small member supplied to the third welding apparatus 400 is a third small member, and the small member supplied to the fourth welding apparatus 500 is As a fourth small member.

Accordingly, although the first small element, the second small element, the third small element and the fourth small element are described in one term, they may be two small elements or may refer to more or less small elements.

When the NC data corresponding to the 3D modeling of the steel structure is supplied from the control device to the first welding device 200, the first welding device 200 is provided to the main member 10 according to the NC data, The first welding robot 210, the first guide roller 220, the first position adjuster 230, the finishing machine 240, the first welding robot 250, the first conveying carriage 220, A first reference point pusher 270, a first reference point stopper 280, and the like.

Here, the first work table 210 may include a plurality of fixtures, which are disposed on the bottom surface of the first work table 210 through bolts, screws or the like, in order to perform a welding process on the steel structures, A horizontal work plate may be provided on the upper surface of the plurality of fixtures having a predetermined height, and a stable and rigid structure such that the first small member can be bonded and welded while supporting the weight of the main member A horizontal frame and a vertical frame may be provided on the work plate.

The first guide rollers 220 are provided on the upper portion of the first work table 210 at predetermined heights and at regular intervals to guide movement and conveyance of the main member 10, The center position can be adjusted while supporting the main member 10 which is moved and conveyed through the guide roller 220. The first guide roller 220 moves the main member 10 smoothly in the longitudinal direction And the first position adjuster 230 can be rotated so as not to be detached in the lateral direction so that the center position can be adjusted according to the interval and size between one flange and the other flange of the main member 10, And guide flanges can be formed on the upper end of the guide flange so as to be movable in the right and left lateral directions while not contacting the flange in the outward direction.

The feeder 240 can press and guide the main member 10 supported by the first guide roller 220 and the first position adjuster 250 at a predetermined pressure from the top. And a support plate supported on the bottom surface and the upper surface of the first work table 210. The support plate is vertically provided on the upper surface of the support plate and is positioned at a relatively higher position than the upper surface of the main member 10 And a feeding roller provided at the lower end of the horizontal portion of the feeding support so that the feeding roller contacts and pressurizes the web of the main member 10, So that the main member 10 can be smoothly moved and transported.

In this case, since the feed-back support is provided with the piston-type lifting / lowering means, the upper horizontal portion can be raised and lowered, and can be lifted or lowered according to the height of the main member 10, So that it can be pressed and rotated smoothly in contact with the upper surface.

On the other hand, the first welding robot 250 welds and welds the first small member supplied from the plurality of small component supplying apparatuses 100B to the main member 10 in accordance with the NC data, And the main body 10 is provided on an upper portion of the first robot carriage 260 to be described later and can perform the main welding after touching any one of the plurality of small members 20. The first body member 251 A first link member 253, a first handling member 255, a first welding member 257, and the like.

Here, the first body member 251 may be movably coupled to the upper portion of the first robot carriage 260, which will be described later, to move to the welding position, and the first link member 253 may include a plurality of links and a plurality of joints To the welding position of the main member (10) disposed in the first work platform (210) through at least one of a vertical articulated joint system and a horizontal articulated joint system, The first handling member 255 and the first welding member 257 can be freely moved in the X, Y, and Z axes.

The first handling member 255 is provided at the end of the first link member 253 to guide the first small member 20a from the first small member supplying device 100a supplying the first small member 20a And the first welding member 257 may be provided at the end of the first link member 253 adjacent to the first handling member 255 so that the first small member (20a) can be welded and welded.

For example, the first handling member 255 is provided with a grip block on a first handling support protruding outwardly from the first welding member 257, and a gripping portion provided at an end of the grip block is a first handle When the first welding robot 150 is moved to the welding position according to the NC data, the gripping state of the first small element 20a can be stably maintained through the gripping hole have.

At least two first welding robots 250 as described above may be provided. For example, the first welding robot 250 may be provided with a combination of FIGS. 3E and 3F, a combination of FIG. 3G and FIG. 3H, The first link member 253 is driven in accordance with the small member supply control signal provided from the control device to move the first handling member 255 to the first small member supplying device 100a and then the first handling member 255 And the first small carriage 260 and the first link member 253 are moved in accordance with the NC data in the gripping state of the first small member 20a The first welding robot 250 grips the first small member 20a at the welding position of the first small member 20a and moves to another welding robot 250 The first small welding member 20a can be brought into contact with the main member 10 and the two first welding robots 250 are welded to the main welding portion It is possible to weld the first small member 20a to the ash 10 by itself.

The first robot carriage 260 is movably provided on a side surface of the first work platform 210 to transfer the first welding robot 250. The first robot carriage 260 includes a plurality of first guide blocks 261 And a first LM guide 263 may be provided in an upper longitudinal direction of the first guide block 261. The first LM guide 263 may be provided on one side of the first guide block 261, The first LM guide 263 is coupled to the first robot seating block 265 via a first cable bearing 265. The first LM guide 263 is coupled to the driving pinion gear of the first robot seating block 265, The first robot seating block 265 is moved in the forward and rearward direction and the first robot seating block 265 is moved in accordance with the driving of the servo motor provided in the first robot seating block 265, It can move in the front end direction or the rear end direction.

Here, the first robot carriage 260 can transport the first welding robot 250 as well as the first small-element supplying apparatus 100a that supplies the first small element 20a, Accordingly, it is possible to effectively perform the small member welding process using the NC data.

The first reference point pusher 270 sets the rear end of the main member 10 disposed on the first work table 210. The first reference point stopper 280 is disposed on the first work table 210, 10 to the front and rear ends of the main member 10 at the front and rear ends when the main member 10 is transported and disposed to the first work table 210 for the welding and main welding of the first small member, It can be set to the correct position (i.e., welding position). That is, the rear end of the main member 10 can be moved in the front end direction through the first reference point pusher 270 so that the front end of the main member 10 contacts the first reference point stopper 280.

When the NC data corresponding to the 3D modeling of the steel structure is provided from the control device, the second welding device 300 welds and welds the second small member 20b to the main member 10 in accordance with the NC data The second work station 310, the second guide roller 320, the second position adjuster 330, the first turning unit 340, the second welding robot 350, the second transfer carriage 360, and the like can do.

Here, the configurations of the second work table 310, the second guide roller 320, the second position adjuster 330, the second welding robot 350, the second transfer carriage 360, 1 welding apparatus 200, detailed description thereof will be omitted.

In addition, in the case of the reference numerals, lower numbers of the second work table 310, the second guide roller 320, the second position adjuster 330, the second welding robot 350, the second transfer carriage 360, Respectively.

The first turning unit 340 rotates the main member 10 disposed at the upper portion of the second work table 310 by a predetermined angle in comparison with the main member 10 disposed at the first welding apparatus 200, The upper surface of the second work table 310, A first turning member 343 which grips and rotates the main member 10 which is arranged to be transported and a second turning member 343 which is coupled to the upper portion of the first support member 341, A first lifting member 345 which is coupled with the member 343 to move the first turning member 343 up and down and a second lifting member 345 between the second work table 310 and the first supporting member 341 A first conveying member 347 coupled to the second work table 310 to move the second work table 310 in the longitudinal direction thereof, and the like.

Here, the first support member 341 is fixedly provided at one longitudinal end portion (for example, the front end portion or the rear end portion) of the second work table 310, And the first turning member 343 may include a driving motor, a plurality of driving gears, a rotating block, a grip or the like, and may be provided on the front side in the longitudinal direction of the main member 10 The main member 10 can be rotated at a desired angle (for example, 90 °, 180 °, 270 °, or the like) after the first and second ends are gripped at the tip, The first supporting member 341 of the movable type can be moved in the longitudinal direction of the second work table 310 by applying a configuration similar to the second feeding carriage 360 as shown in FIG.

The main member 10 is transferred to the second work table 310 so that the front end portion in the longitudinal direction of the main member 10 is positioned in the fixed first support member 341 and the first transfer member 347 After the movable first support member 341 is moved to be positioned at the longitudinal rear end of the main member 10, the first and second support members 341, The turning member 343 descends in the longitudinal direction front end portion and the rear end edge direction of the main member 10 and then contacts the front end of the main member 10 through the first conveying member 347, The front end portion and the rear end portion of the main member 10 can be gripped through the through hole 343.

Subsequently, after the first turning member 343 is raised via the first lifting member 245 to the gripped state of the main member 10, the first turning member 343 is rotated at a desired angle (for example, 180 The first turning member 343 is lowered by gripping the main member 10 to the second work table 310 through the first ascending / descending member 345, The first turning member 341 and the first turning member 347 are controlled to release the gripping state with respect to the main member 10 and then moved to the original position or the desired position .

Thereafter, when the process of adhering and main welding the second small member 20b to the main member 10 seated on the second work table 310 is completed, the first turning member 343 is moved in a similar manner as described above, And the first and second lifting members 345 and 345. The lifting member 343 lifts up the front and rear ends of the main member 10 in the longitudinal direction through the first lifting member 345 and rotates through the first turning member 343 by, The main member 10 can be lowered through the first lifting member 345 to be placed on the second work table 310 and then transferred to the third work table 410 to perform the next welding process .

The first turning unit 340 as described above includes a fixed first support member 341 as shown in FIG. 4B and a movable first support member 341 as shown in FIG. 4C, (343) and the first ascending / descending member (345). Shaped upper structure can be further movably moved by a predetermined length in a fixed or mobile bottom plate for gripping the front end and the rear end of the main member 10. [

As shown in FIGS. 4D to 4F, the first turning member 343 provided in the first turning unit 340 may be variously shaped so as to stably and firmly grip the front end of the main member 10 .

When the NC data corresponding to the 3D modeling of the steel structure is provided from the control device, the third welding device 400 welds and welds the third small member 20c to the main member 10 according to the NC data The third work table 410, the third guide roller 420, the third position adjuster 430, the pusher 440, the third welding robot 450, the third feed carriage 460, the first fixing clamp 470), and the like.

The configuration of the third work table 410, the third guide roller 420, the third position adjuster 430, the third welding robot 450, the third transfer carriage 460, 1 welding apparatus 200, detailed description thereof will be omitted.

In addition, in the case of the reference numerals, sub-numbers such as the third work table 410, the third guide roller 420, the third position adjuster 430, the third welding robot 450, the third transfer carriage 460, Respectively.

In addition, although not shown in FIG. 1, the third transport carriage 460 may be selectively provided.

The presser 440 presses and fixes the main member 10 disposed on the upper portion of the third work table 410 at the upper portion thereof. A pressing member 443 which presses the main member 10 from the upper position and a pressing member 443 which is engaged with the pressing member 443 while being coupled to the upper portion of the pressing support member 441, A pressurization ascending / descending member 445 for moving the pressurizing member 443 upward and downward and a pressurizing and descending member 445 for pressurizing the pressurizing member 443, A pressurizing and conveying member 447 for moving in the longitudinal direction, and the like.

Here, the pressing support member 441 is fixedly provided at one longitudinal end portion (for example, the front end portion or the rear end portion) of the third work table 410 while the other end portion in the longitudinal direction (for example, And the pressing member 343 may include a driving motor, a moving block, a pressure roller, and the like, and may be provided on one flange (or the other flange, that is, the upper surface) of the main member 10, And the pressurizing and conveying member 447 can be moved in the longitudinal direction of the third work table 410 by applying a similar structure to the first conveying member 347 as described above, .

Further, in the pressing support member 441, Shaped top structure can be further movably moved by a predetermined length in a fixed or mobile bottom plate for adjusting the pressing position of the front end and the rear end of the main member 10. [

The first fixed clamp 470 fixes the longitudinal front and rear ends at the side of the main member 10 at the top of the third work table 410 while performing the splice and main welding, (E.g., a front end portion, a middle portion, a rear end portion, etc. of the third workbench 410), and after the main member 10 is transferred to the upper portion of the third workbench 410, The main member 10 can be firmly fixed at the welding position through the configuration of the guide roller 420, the third position adjuster 430 and the pusher 440. The third work table 410 A first fixing block 471 fixed to the upper both side surfaces of the first fixing block 471 and a first elevating and lowering means 473 including a hydraulic cylinder and a piston rod are coupled to the outside of the first fixing block 471, One end of the piston rod of the first ascending / descending unit 473 is rotatably coupled to the upper end of the piston rod of the first securing block 471, The first fixture 475 may be provided so as to be rotatable about an axis.

Thereby, when the main member 10 is placed on the upper part of the third work table 410 and the arrangement for main welding is completed, the piston rod of the first raising and lowering means 473 is raised and the first fixing block 471 The bent portion of the first fixing member 475 is lowered to the upper surface of the main member 10 with the upper end of the first fixing member 475 as an axis, It can be firmly fixed.

When the welding and main welding are completed, the piston rod of the first raising and lowering means 473 is lowered, and the bent portion of the first fastening protrusion 475 of the first fastening block 475, So that the fixed state of the main member 10 can be released.

The first fixing clamps 470 may be provided on both sides of the third work table 410 so as to stably and firmly support both sides of the main member 10.

When the NC data corresponding to the 3D modeling of the steel structure is provided from the control device, the fourth welding device 500 welds and welds the fourth small member 20d to the main member 10 in accordance with the NC data The fourth work table 510, the fourth guide roller 520, the fourth position adjuster 530, the second turning device 540, the fourth welding robot 550, the fourth feed carriage 560, A fixed clamp 570, and the like.

Here, the construction of the fourth work platform 510, the fourth guide roller 520, the fourth position adjuster 530, the fourth welding robot 550, the fourth transport carriage 560, 1 welding apparatus 200, detailed description thereof will be omitted.

In addition, in the case of the reference numerals, lower numbers of the fourth work platform 510, the fourth guide roller 520, the fourth position adjuster 530, the fourth welding robot 550, the fourth feed carriage 560, Respectively.

In addition, although not shown in FIG. 1, the fourth carriage 560 may be selectively provided.

The second turning device 540 rotates the main member 10 disposed at the upper portion of the fourth work table 510 by a predetermined angle in comparison with the main member 10 disposed at the third welding device 400, In the upper part of the fourth work platform 510, A second turning member 543 for gripping and rotating the transported main member 10 and a second turning member 543 coupled to the upper portion of the second support member 541, A second lifting member 545 which is engaged with the member 543 to move the second turning member 543 up and down and a second lifting member 545 which is engaged with the fourth working base 510 and the second supporting member 541, And a second conveying member 547 which is coupled to the fourth work platform 510 and moves in the longitudinal direction of the fourth work bench 510.

The second turning device 540 is similar to that of the first turning device 340 of the second welding device 300 described above, so that detailed description thereof will be omitted.

6B, the configuration and operation of the first fixing clamp 470 included in the third welding apparatus 400 are similar to those of the first fixing tool 495, Therefore, a detailed description thereof will be omitted.

The fourth welding apparatus 500 may further include a feeding device F capable of pressing and guiding the main member 10 at a predetermined pressure from the bottom. There is a difference in that the rollers are provided in the upper direction so as to be in contact with the main member 10, but the configuration and operation similar to the feeding device 240 provided in the first welding device 200 as described above are similar And therefore a detailed description thereof will be omitted.

The transfer shuttle apparatus 600 includes a main member (not shown) welded to the small member 20 in the first welding device 200, the second welding device 300, the third welding device 400 and the fourth welding device 500 The shuttle guide rail 640, the shuttle guide roller 640, the shuttle feed motor 650, the main stroke position limit sensor 660, and the main stroke position limit sensor 660, A traveling buffer stopper 670, and the like.

Here, the transportation platform 610 is provided in the longitudinal direction in the first welding device 200, the second welding device 300, the third welding device 400 and the fourth welding device 500, The first work table 210 of the welding apparatus 200 and the second work table 310 of the second welding apparatus 300 and the third work table 410 and the fourth welding apparatus 500 of the third welding apparatus 400, And may be spaced apart from the workbenches by a predetermined height through a plurality of spacers at a central portion thereof in a longitudinal direction (that is, in the direction of production of the steel structure) on the fourth workbench 510 of the workbench 510, And may be provided as a structure including a horizontal frame and a vertical frame provided on the upper surface.

The transporting shuttle 620 is movably provided on the transporting carriage 610 and is transported in a state in which the main member 10 is seated so that the transporting carriage 620 can be transported in a length corresponding to the length of the main member 10, , And this transportation shuttle 620 may also be provided as a structure including a horizontal frame and a vertical frame.

The shuttle guide rail 630 and the shuttle guide roller 640 guide the transfer of the transfer shuttle 620. The shuttle guide rail 630 is provided longitudinally on the upper side frame of the transfer platform 610 The shuttle guide roller 640 is provided in the longitudinal direction on the lower side frame of the transportation shuttle 620 and the shuttle guide rail 630 and the shuttle guide roller 640 are engaged with each other, 620 may be movably coupled.

The shuttle transfer motor 650 provides a driving force for transferring the shuttle 620 so that the shuttle guide rail 630 and the shuttle guide roller 640 are engaged with each other to transfer the shuttle 620 from the transfer platform 610, The transporting shuttle 620 is moved in the longitudinal direction of the workbench (the direction of production of the steel structure) by a predetermined position by providing a driving force in a state of being movably engaged, The welding position of the first welding device 200, the welding position of the second welding device 300, the welding position of the third welding device 400, and the welding position of the fourth welding device 500 .

The transporting shuttle device 600 is provided with a main travel position limit sensor 660 for limiting the travel range of the transport shuttle 620 at the front and rear ends of the transport platform 610, The transfer shuttle 620 can be safely transferred from the transfer station 610 and the transfer shuttle 620 can be transferred to the rear end of the transfer station 610 (i.e., at the rear end position of the first work station 210 of the first welding apparatus 200) The traveling buffer stopper 670 may be provided.

The transfer shuttle 600 may further include a shuttle on-off device 610 on the transfer platform 610 to move the transfer shuttle 620 up and down to move the transfer shuttle 620 to each work platform And an upper and lower limit sensor for sensing the height thereof to limit the elevation height and the descending height may be provided on the side of the transportation platform 610 and the transportation shuttle 620 and may be disposed on the transportation shuttle 620 A plurality of pallet transportation jigs may be provided on both sides of the transportation shuttle 620 to fix the main member 10 during transportation.

That is, when the welding process is completed in the first welding apparatus 200, the transport shuttle 620 rises through the shuttle upper and lower and moves from the first work table 210 to the second work table 310 for the next welding process And when the main member 10 is placed in the second work platform 310, the transport shuttle 620 can be moved down to the position of the first work platform 210 after descending through the shuttle.

The operation of the transfer shuttle apparatus 600 is performed between each work station of the first welding apparatus 200 and the second welding apparatus 300, between each work station of the second welding apparatus 300 and the third welding apparatus 400, The efficiency of the production work of the steel structure can be remarkably improved through the smooth transfer operation by moving between the workbenches of the third welding device 400 and the fourth welding device 500 respectively.

Therefore, according to the present invention, NC data is generated by modeling an iron structure, a main member and a small member are supplied through a supply device according to the generated NC data, and the welding process and main welding process are performed through a plurality of welding devices , The process of transferring to the next process through the transfer device is repeatedly performed according to the shape of the steel structure, so that the steel structure can be automatically produced.

Further, according to the present invention, after performing any one welding process according to the shape of the iron structure, the iron structure to be transferred is rotated at an angle necessary for the work through the turning machine, so that desired work can be efficiently performed according to the shape of the iron structure .

In addition, according to the present invention, by automatically driving and operating the supplying device, the plurality of welding devices, and the transferring device according to the production process by using the NC data, it is possible to prevent the quality difference from occurring according to the worker capability Not only can it produce high quality steel structures, it can flexibly cope with changes in production plans of steel structures, and can smoothly produce steel structures of a desired shape.

Next, in the steel structure production system having the above-described structure, the present invention is characterized in that the steel structure is modeled to generate NC data, and the main member and the small member are supplied through the supply device according to the generated NC data, Another embodiment including a process of carrying out a welding process and a main welding process through a welding device and transferring the welding process to the next process through a transfer device will be described.

8 and 9 are flowcharts illustrating a process of producing an iron structure according to another embodiment of the present invention. Here, the method for producing the steel structure of the present invention has been described in detail through the detailed construction and operation of the steel structure production system according to one embodiment of the present invention. Thus, in another embodiment of the present invention, Will be described briefly.

8 and 9, a method of manufacturing an iron structure according to another embodiment of the present invention includes a first step 810 of supplying a main member corresponding to a shape of a steel structure to a welding apparatus, A second step (820) of welding and main welding at least one of the plurality of small members to the main member in the welding apparatus according to NC data (Numeric Control data) corresponding to the modeling, A third step (830) of transferring the main member, which has been welded, to the next welding apparatus, a fourth step (830) of carrying out the fourth and sixth steps Step 840 may be included.

Here, the main member may be supplied to the welding apparatus in a conveyor manner, and the plurality of small members may be supplied in a conveyor manner or a cassette manner, respectively.

The second step 820 includes a step 821 of conveying the main member to the upper part of the workbench and a second step 820 of guiding the movement of the main member through the guide roller and the positioner provided on the upper part of the workbench, (823) of placing and arranging the plurality of small members on the work table in accordance with NC data through a welding robot carried through a transport carriage provided on a side surface of the work table, 825 < / RTI >

Here, the second step 820 may set the rear end and the front end of the main member through the reference point pusher and the reference point stopper selectively provided at the rear end and the front end of the workbench in the step 823 of placing the workbench have.

In the second step 820, the main member disposed through the guide rollers and the position adjuster may be pressed and guided in the upper part by using a feeding device selectively provided on the workbench in step 823 of placing the workbench on the workbench.

In addition, the second step 820 may rotate the main member at a predetermined angle through a turning machine, which is provided on the workbench in step 823 of placing the workbench on the workbench.

In addition, the second step 820 may press and fix the main member at the upper portion through the pusher selectively provided to the workbench in step 823 of placing the workbench.

In addition, the second step 820 may fix the longitudinal front and rear ends of the main member by using a fixing clamp selectively provided on the workbench in step 823 of placing the workbench on the workbench.

Meanwhile, in the third step 830, a main member is seated on a transporting shuttle which is movably provided in a transporting carriage provided in a longitudinal direction in a plurality of welding devices, and the transporting shuttle is transported through a shuttle guide rail And the shuttle guide roller.

In the third step 830, the main travel position limit sensor provided at the front and rear ends of the transportation stand and the travel buffer stopper provided at the rear end of the transportation stand may limit the travel range of the transportation shuttle, have.

Therefore, by automatically driving and operating the supplying device, the plurality of welding devices, and the transferring device according to the production process by using the NC data, the present invention can prevent the quality difference from occurring according to the worker ability Not only can it produce high quality steel structures, it can flexibly cope with changes in production plans of steel structures, and can smoothly produce steel structures of a desired shape.

In particular, the present invention can automate the production process of iron structures, and can achieve production of more than twice as much as that of the prior art, and can automatically produce various types of steel structures as well as parked steel structures designed using commercial 3D modeling programs In addition to this, it is possible to produce a high-quality steel structure, as well as to ensure high productivity and improve production yield.

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 embodiments, but, on the contrary, It will be readily apparent that such substitutions, modifications, and alterations are possible.

10: main member 20: small member
100: a plurality of feeding devices 100A: a main member feeding device
100B: plural small member supply devices 110B: first small member supply device
120B: Second small-element supply device 130B: Third small-element supply device
140B: fourth small member feeding device 200: first welding device
210: first work table 220: first guide roller
230: first position adjuster 240: feeding device
250: first welding robot 260: first feed carriage
270: first reference point pusher 280: first reference point stopper
300: second welding apparatus 310: second work table
320: second guide roller 330: second position adjuster
340: first turning machine 350: second welding robot
360: second transport carriage 400: third welding device
410: Third work table 420: Third guide roller
430: third position adjuster 440: pressurizer
450: Third welding robot 460: Third feed carriage
470: first fixing clamp 500: fourth welding device
510: fourth work table 520: fourth guide roller
530: fourth position adjuster 540: second turning machine
550: Fourth welding robot 560: Fourth feeding carriage
570: second fixing clamp 600: transfer shuttle device
610: Transportation Vs 620: Transportation Vs
630: Shuttle guide rail 640: Shuttle guide roller
650: Shuttle transfer motor 660: Main stroke position limit sensor
670: Running buffer stopper

Claims (20)

delete delete A plurality of supply devices for respectively supplying a main member and a plurality of small members corresponding to the shape of the iron structure,
A plurality of welding devices for successively welding and welding the plurality of small members to the main member in accordance with NC numerical control data corresponding to 3D modeling of the steel structure,
And a transfer shuttle device for sequentially transferring the main members welded with the small members in the plurality of welding devices,
The plurality of supply devices include a main member supply device for supplying the main member in a conveyor manner and a plurality of small member supply devices for supplying the plurality of small members in the conveyor type or cassette manner,
The welding apparatus includes a work table on which the main member is disposed to perform a welding process on the steel structure, a guide roller provided on the work table to guide movement and transportation of the main member, A position regulator for adjusting the center position while supporting the main member moved and transferred through the guide roller; a welding robot for welding and welding the small member to the main member in accordance with the NC data; And a transfer carriage provided movably so as to transfer the welding robot.
The method of claim 3,
Wherein the plurality of welding devices selectively include a reference point pusher for setting a rear end portion of the main member disposed on the work table and a reference point stopper for setting a front end portion of the main member disposed on the work table.
The method of claim 3,
Wherein the plurality of welding apparatuses selectively include a feeder for pressing and guiding the main member disposed through the guide roller and the position adjuster from above.
The method of claim 3,
Wherein the plurality of welding devices selectively include a turning device for rotating the main member disposed on the work table by a predetermined angle.
The method of claim 3,
Wherein the plurality of welding apparatuses selectively include a presser for pressing and fixing the main member disposed at the work table from above.
The method of claim 3,
Wherein the plurality of welding apparatuses selectively include a fixing clamp for fixing the longitudinal front and rear ends of the main member disposed on the work table.
9. The method according to any one of claims 3 to 8,
The transfer shuttle device comprises:
A plurality of welding devices provided in the longitudinal direction,
A transportation shuttle which is movably provided in the transportation stand and is transported in a state in which the main member is seated;
A shuttle guide rail and a shuttle guide roller for guiding the transportation of the transportation shuttle,
A shuttle transfer motor for providing a driving force for transferring the transportation shuttle,
≪ / RTI >
10. The method of claim 9,
The transfer shuttle device comprises:
A main stroke position limit sensor for limiting a travel range of the transportation shuttle to the front and rear ends of the transportation carriage,
A traveling buffer stopper provided at a rear end of the transportation stand so that the transportation shuttle is not released to the rear end,
The steel structure production system further comprising:
A first step of supplying a main member corresponding to the shape of the steel structure to the welding apparatus,
A second step of welding and welding at least one of the plurality of small members to the main member in the welding apparatus according to NC data (Numeric Control data) corresponding to 3D modeling of the steel structure,
A third step of transferring at least one of the plurality of small members and the main member having completed the main weld to the next welding apparatus,
A fourth step of repeating the second step and the third step according to a welding process of the plurality of small members by using a plurality of welding apparatuses
Wherein the method comprises the steps of:
12. The method of claim 11,
Wherein the main member is supplied to the welding apparatus in a conveyor manner,
Wherein the plurality of small members are supplied in the conveyor system or the cassette system, respectively.
13. The method of claim 12,
The second step comprises:
Transferring the main member to an upper portion of the workbench,
Adjusting the center position while guiding the movement and the conveyance of the main member through a guide roller and a position adjuster provided on an upper part of the work table,
And welding and pre-welding at least one of the plurality of small members to the main member according to the NC data through a welding robot carried through a transport carriage provided on a side of the work table
Wherein the method comprises the steps of:
14. The method of claim 13,
The second step comprises:
And a rear end portion and a front end portion of the main member are set through a reference point pusher and a reference point stopper selectively provided at a rear end portion and a front end portion of the worktable in the step of arranging the worktable on the worktable.
15. The method of claim 14,
The second step comprises:
Wherein the main member disposed through the guide rollers and the position adjuster is pressed and guided at the upper portion by using a feeding device selectively provided on the work table in the step of arranging the main members on the work table.
15. The method of claim 14,
The second step comprises:
And rotating the main member by a predetermined angle through a turning machine selectively provided on the workbench in the step of arranging the workbench on the workbench.
15. The method of claim 14,
The second step comprises:
Wherein the main member disposed through the presser selectively installed on the workbench is pressed and fixed at the upper portion in the step of disposing the workbench on the workbench.
15. The method of claim 14,
The second step comprises:
And fixing the longitudinal front and rear ends of the main members arranged using the fixing clamps selectively provided on the workbench in the step of disposing them on the workbench.
19. The method according to any one of claims 13 to 18,
In the third step,
The main member is seated on a transportation shuttle provided movably in a transportation stand provided in the longitudinal direction of the plurality of welding devices and the transportation shuttle is guided to the shuttle guide rail and the shuttle guide roller through the driving force of the shuttle transport motor Method of producing steel structures to be transported.
20. The method of claim 19,
The third step includes a step of limiting the travel range of the transportation shuttle through the main stroke position limit sensor provided at the front and rear ends of the transportation platform and the traveling buffer stopper provided at the rear end of the transportation platform, Structure production method.

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