KR102688657B1 - Manufacturing method for frames of various shapes using a general-purpose jig - Google Patents

Abstract

The present invention relates to a frame manufacturing method for efficiently manufacturing frames of various shapes using a general-purpose jig, including a base plate preparation step of placing the base plate on a work plate and a position to place a plurality of guide angles on the base plate. A guide angle positioning step of determining, a guide angle arrangement step of arranging a plurality of guide angles at a predetermined position on the base steel plate, a metal pipe arrangement step of arranging a plurality of metal pipes on the base steel plate, and the plurality of metal pipes are connected to each other. It relates to a frame manufacturing method including a welding step of welding the abutting parts.

Description

{Manufacturing method for frames of various shapes using a general-purpose jig}

The present invention relates to a method of manufacturing frames of various shapes using a general-purpose jig. Specifically, a method of efficiently manufacturing a frame by arranging and welding metal pipes by arranging guide angles corresponding to the shape of the frame on a standardized base steel plate. It's about.

In the manufacturing process of various structures or products, the skeleton that forms the basic shape of the final product is often manufactured first. In this case, the skeleton that forms the basic shape is called a frame. These frames play a very important role in mass producing final products precisely and consistently. Therefore, it can be said that how accurately and consistently the frame can be manufactured is very important in the quality of the final product.

However, in mass production, not only manufacturing costs but also the efficiency of the manufacturing process, that is, the number of products that can be manufactured per unit time and achieving consistent quality, are also very important. This also applies to frame manufacturing. When manufacturing frames, how quickly and accurately they can be manufactured with consistent quality is an important factor in determining the productivity, manufacturing cost, and product competitiveness of the final product.

For this reason, research has been conducted on various methods to manufacture frames more efficiently, quickly, and accurately. Specifically, we recognize the importance of locating the unit parts that make up the frame, such as metal pipes, in precise positions and creating an environment in which each part can be contacted and welded in the correct position, and from this perspective, we recognize the importance of creating an efficient manufacturing method. This has been studied.

Korean Patent Application Publication No. 10-2022-0157629 Japanese Patent Application Publication No. 2022-042555 Korean Patent Registration No. 10-2184108 Korean Patent Application Publication No. 10-2018-0066617

The purpose of the present invention is to provide a frame manufacturing method that efficiently manufactures frames of various shapes using a general-purpose jig.

The purpose of the present invention is to provide a frame manufacturing method that not only makes it easier to visually recognize the placement position of the general-purpose jig, but also improves work accuracy and efficiency by preventing the general-purpose jig from being placed in positions other than the designated position.

The frame manufacturing method according to an embodiment of the present invention includes a base steel plate preparation step of placing the base steel plate on a work plate, a guide angle positioning step of determining positions to place a plurality of guide angles on the base steel plate, and a base steel plate. A guide angle arrangement step of arranging a plurality of guide angles at a predetermined position on the base steel plate, a metal pipe arrangement step of arranging a plurality of metal pipes on a base steel plate, and a welding step of welding the portion where the plurality of metal pipes are in contact with each other, The base steel plate includes a plurality of through holes arranged in n × m rows (n, m are natural numbers of 2 or more) and spaced apart from each other at equal intervals, and the plurality of through holes are openings that penetrate from the upper surface to the lower surface of the base steel plate. The guide angle includes a horizontal portion and a vertical portion and the side cross section is formed in an 'ㄴ' shape. The guide angle includes a plurality of protrusions formed on the lower surface of the horizontal portion, and the protrusions have a shape corresponding to a through hole. Formed, the guide angle arrangement step includes inserting and fixing the protrusion of the guide angle into the through hole at a predetermined position, and the metal pipe arrangement step includes placing the metal pipe in the direction guided by the vertical portion of the guide angle. It may include:

In the frame manufacturing method according to an embodiment of the present invention, the work plate includes a plurality of fixing protrusions, and the fixing protrusions are spaced apart at equal intervals on the work plate and form n × m rows (n, m are natural numbers of 2 or more). is arranged, the fixing protrusions are formed to be movable up and down between a protruding position protruding onto the work plate and a recessed position located within the work plate, each of the plurality of fixing protrusions is independently movable up and down, and the fixing protrusions are, It is formed in a shape corresponding to the through hole, and the work plate is electrically connected to the control device so that the position of each of the plurality of fixing protrusions is independently controlled according to the control command of the control device. The base plate preparation step includes the operation of the work plate. It includes arranging the base steel plate on the work board so that the fixing protrusion and the through hole of the base steel plate are combined in a 1:1 correspondence, and the guide angle positioning step includes the control device receiving shape data of the final frame, and controlling The device determines at which position the guide angle will be placed on the base steel plate based on the shape data, and the control device determines where the guide angle is to be placed on the base steel plate. The fixing protrusion corresponding to the position on the base steel plate is located at the recessed position, The fixing protrusion may be controlled to be positioned at a protruding position.

In the frame manufacturing method according to an embodiment of the present invention, the welding step may include performing a welding operation on the guide angle so that the metal pipe, the guide angle, and the base steel plate are integrated.

In the frame manufacturing method according to an embodiment of the present invention, an LED light is disposed on the lower part of the fixing protrusion, the fixing protrusion is formed of a material that allows light to penetrate, and the guide angle positioning step is performed by a control device. , it may include controlling the LED lighting disposed under the fixed protrusion located at the recessed position to ON, and controlling the LED lighting disposed under the fixed protrusion located at the protruding position to OFF.

In the frame manufacturing method according to an embodiment of the present invention, the guide angle positioning step includes determining whether to place the guide angle so that the vertical portion of the guide angle is located at the left/right or top/bottom position, and Depending on whether the unit is located left/right, or up/down, the LED light placed at the bottom of the fixing protrusion at the position where the guide angle is placed is controlled by a control device so that it emits different colors of light. This may include controlling.

According to an embodiment of the present invention, it is possible to provide a frame manufacturing method that efficiently manufactures frames of various shapes using a general-purpose jig.

The purpose of the present invention is to provide a frame manufacturing method that not only makes it easier to visually recognize the placement position of the general-purpose jig, but also improves work accuracy and efficiency by preventing the general-purpose jig from being placed in positions other than the designated position.

1 is a flowchart of a frame manufacturing method according to an embodiment of the present invention.
Figure 2 is a perspective view of a work board according to an embodiment of the present invention.
Figure 3 is a perspective view showing a state in which a base iron plate is placed on a work board according to an embodiment of the present invention.
Figure 4 is a perspective view showing a state in which a guide jig is placed on a base iron plate according to an embodiment of the present invention.
Figure 5 is a perspective view showing a state in which a guide jig and a metal pipe are arranged on a base iron plate according to an embodiment of the present invention.

Hereinafter, embodiments will be described in detail with reference to the attached drawings.　 However, various changes can be made to the embodiments, so the scope of the patent application is not limited or limited by these embodiments.　 It should be understood that all changes, equivalents, or substitutes for the embodiments are included in the scope of rights.

Specific structural or functional descriptions of the embodiments are disclosed for illustrative purposes only and may be modified and implemented in various forms.　 Accordingly, the embodiments are not limited to the specific disclosed form, and the scope of the present specification includes changes, equivalents, or substitutes included in the technical spirit.

Terms such as first or second may be used to describe various components, but these terms should be interpreted only for the purpose of distinguishing one component from another component.　 For example, a first component may be named a second component, and similarly, the second component may also be named a first component.

When a component is referred to as being “connected” to another component, it should be understood that it may be directly connected or connected to the other component, but that other components may exist in between.

The terms used in the examples are for descriptive purposes only and should not be construed as limiting.　 Singular expressions include plural expressions unless the context clearly dictates otherwise.　 In this specification, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by a person of ordinary skill in the technical field to which the embodiments belong.　 Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and unless explicitly defined in the present application, should not be interpreted in an ideal or excessively formal sense. No.

In addition, when describing with reference to the accompanying drawings, identical components will be assigned the same reference numerals regardless of the reference numerals, and overlapping descriptions thereof will be omitted.　 In describing the embodiments, if it is determined that detailed descriptions of related known technologies may unnecessarily obscure the gist of the embodiments, the detailed descriptions are omitted.

The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings.　 However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms. The present embodiments only serve to ensure that the disclosure of the present invention is complete and that common knowledge in the technical field to which the present invention pertains is not limited. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims.

In the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, are the same as those commonly understood by a person of ordinary skill in the technical field to which the present invention pertains. It has meaning. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and unless clearly defined in the embodiments of the present invention, have an ideal or excessively formal meaning. It is not interpreted as

The shapes, sizes, proportions, angles, numbers, etc. disclosed in the drawings for explaining embodiments of the present invention are illustrative, and the present invention is not limited to the matters shown.　 Additionally, in describing the present invention, if it is determined that a detailed description of related known technologies may unnecessarily obscure the gist of the present invention, the detailed description will be omitted. When ‘includes’, ‘has’, ‘consists of’, etc. mentioned in this specification are used, other parts may be added unless ‘only’ is used.　 When a component is expressed in the singular, the plural is included unless specifically stated otherwise.

When interpreting a component, it is interpreted to include the margin of error even if there is no separate explicit description.

In the case of a description of a positional relationship, for example, if the positional relationship of two parts is described as 'on top', 'on the top', 'on the bottom', 'next to', etc., 'immediately' Alternatively, there may be one or more other parts placed between the two parts, unless 'directly' is used.

When an element or layer is referred to as “on” another element or layer, it includes instances where the element or layer is directly on top of or intervening with another element.　 Like reference numerals refer to like elements throughout the specification.

The size and thickness of each component shown in the drawings are shown for convenience of explanation, and the present invention is not necessarily limited to the size and thickness of the components shown.

Each feature of the various embodiments of the present invention can be partially or fully combined or combined with each other, and as can be fully understood by those skilled in the art, various technical interconnections and operations are possible, and each embodiment may be implemented independently of each other. It may be possible to conduct them together due to a related relationship.

1 is a flowchart of a frame manufacturing method according to an embodiment of the present invention. Figure 2 is a perspective view of the work board 40 according to an embodiment of the present invention. Figure 3 is a perspective view showing a state in which the base steel plate 10 is disposed on the work plate 40 according to an embodiment of the present invention. Figure 4 is a perspective view showing a state in which the guide angle 20 is disposed on the base steel plate 10 according to an embodiment of the present invention. Figure 5 is a perspective view showing the guide angle 20 and the metal pipe 30 arranged on the base steel plate 10 according to an embodiment of the present invention.

The frame manufacturing method according to an embodiment of the present invention includes a base plate preparation step (S1) of placing the base plate 10 on the work plate 40, and a plurality of guide angles 20 on the base plate 10. A guide angle positioning step (S2) to determine the position to place the guide angle, a guide angle arrangement step (S3) to place a plurality of guide angles 20 at a predetermined position on the base steel plate 10, It includes a metal pipe arrangement step (S4) of arranging a plurality of metal pipes 30, a welding step (S5) of welding the portion where the plurality of metal pipes 30 are in contact with each other, and the base steel plate 10 is n. It includes a plurality of through holes 11 arranged in ×m rows (n, m is a natural number of 2 or more) and spaced apart from each other at equal intervals, and the plurality of through holes 11 are formed from the upper surface of the base steel plate 10. It is an opening penetrating through, and the guide angle 20 includes a horizontal portion 22 and a vertical portion 23 and has a side cross section formed in an 'ㄴ' shape, and the guide angle 20 has a horizontal portion 22. It includes a plurality of protrusions 21 formed on the lower surface of the protrusion 21, and the protrusions 21 are formed in a shape corresponding to the through hole 11, and the guide angle arrangement step (S3) includes the protrusion of the guide angle 20 ( 21) includes inserting and fixing the metal pipe into the through hole 11 at a predetermined position, and the metal pipe arrangement step (S4) involves inserting the metal pipe (S4) in the direction guided by the vertical portion 23 of the guide angle 20. 30) may be included.

In one embodiment, the guide angle 20 is a type of guide jig.

In one embodiment, the base steel plate 10 may be a steel plate that provides a space where the metal pipes 30 that will make up the frame can be placed in a predetermined position before welding. The frame can be manufactured by placing metal pipes 30 in a predetermined shape on the base steel plate 10 and applying a welding process to the area where each metal pipe 30 comes into contact.

In one embodiment, the base steel plate 10 may include a plurality of through holes 11 arranged in n×m rows (n and m are natural numbers of 2 or more) and spaced apart from each other at equal intervals. The through hole 11 may be an opening that penetrates both sides of the base steel plate 10. Additionally, the plurality of through holes 11 may be symmetrically arranged in the up, down, left, and right directions without being biased toward any one side of the base steel plate 10.

In one embodiment, the guide angle 20 may be an angle that can visually as well as physically guide the direction and position of each metal pipe 30 on the base steel plate 10. The guide angle 20 can be coupled to a predetermined position on the base steel plate 10 and guide the metal pipe 30 to be disposed along the direction in which the guide angle 20 extends. Specifically, the guide angle 20 includes a horizontal portion 22 disposed parallel to one surface of the base steel plate 10, and a vertical portion 23 extending perpendicular to the horizontal portion 22 on one side of the horizontal portion 22. ) may include. The horizontal portion 22 may be coupled to one surface of the base plate 10 at a predetermined position on the base plate 10. At this time, the metal pipe 30 is placed in the 'ㄴ' shaped space formed by the horizontal part 22 and the vertical part 23 of the guide angle 20. The metal pipe 30 may be guided along the direction in which the horizontal portion 22 and the vertical portion 23 of the guide angle 20 extend and the direction may be set.

In one embodiment, the guide angle 20 may include a plurality of protrusions 21 formed on the lower surface of the horizontal portion 22. The protrusion 21 is a part corresponding to the through hole 11 of the base steel plate 10, and may be a coupling part that is formed in a shape corresponding to the through hole 11 and can be inserted into the through hole 11. The position of the guide angle 20 can be fixed by inserting the protrusion 21 of the guide angle 20 into the through hole 11 of the base steel plate 10. Due to this, in the process of placing the metal pipe 30 on the base steel plate 10, the position of the guide angle 20 is fixed without changing, so that the placement position of the metal pipe 30 can be accurately guided.

In one embodiment, the guide angle arrangement step (S3) may include inserting and fixing the protrusion 21 of the guide angle 20 into the through hole 11 at a predetermined position on the base steel plate 10. .

In one embodiment, metal pipe 30 is an example of a component that makes up a frame. The components constituting the frame are not limited to the metal pipe 30, but may be anything that can form the skeleton of the final product.

In one embodiment, the metal pipe 30 may have a cylindrical cross-section, or a rectangular or square cross-section. The shape of the metal pipe 30 may be appropriately selected depending on the final product. The shape of the metal pipe 30 basically has the shape of a pillar extending in a straight line, but it may also have an 'ㄱ' shape in which the extension direction is bent 90° along the way.

In one embodiment, the guide angle position determination step (S2) determines location information where each metal pipe 30 constituting the frame should be placed based on the final shape data of the frame, and based on this, each metal pipe 30 is to be placed. This is the step of selecting a position on the base steel plate 10 suitable for guiding the pipe 30 and determining that position as the guide angle position. The relevant decision may be made directly by the operator and entered into the control device 50, or software stored on the control device 50 may determine it by calculating it through the algorithm.

In the frame manufacturing method according to an embodiment of the present invention, the work plate 40 includes a plurality of fixing protrusions 41, and the fixing protrusions 41 are spaced apart at equal intervals on the work plate 40. It is arranged in ×m columns (n, m is a natural number of 2 or more), and the fixing protrusions 41 can move up and down between a protruding position protruding onto the work board 40 and a recessed position located within the work board 40. It is formed so that each of the plurality of fixing protrusions 41 can move up and down independently, the fixing protrusions 41 are formed in a shape corresponding to the through hole 11, and the work plate 40 includes a control device ( 50), and the position of each of the plurality of fixing protrusions 41 is independently controlled according to the control command of the control device 50, and the base steel plate preparation step (S1) is performed by fixing the fixing protrusions of the work plate 40. It includes placing the base steel plate 10 on the work plate 40 so that the through hole 11 of the base steel plate 10 and the base steel plate 10 are coupled in a 1:1 correspondence, and a guide angle positioning step (S2) ) means that the control device 50 receives shape data of the final frame, and the control device 50 determines at which position the guide angle 20 will be placed on the base steel plate 10 based on the shape data. In addition, the control device 50 is such that the fixing protrusion 41 corresponding to the position where the guide angle 20 is to be placed on the base steel plate 10 is located in a recessed position, and the other fixing protrusions 41 are located in a protruding position. It may include controlling the location.

In one embodiment, the work plate 40 may be located on the upper surface of the work table where welding is performed. The work plate 40 may include a plurality of fixing protrusions 41. The fixing protrusions 41 may be arranged at equal intervals on the work board 40 in n×m rows (n and m are natural numbers of 2 or more). The fixing protrusion 41 may be arranged in a shape corresponding to the through hole 11 of the base steel plate 10. That is, the fixing protrusions 41 can be formed in a corresponding shape so that they can be inserted into the through-holes 11, and all fixing protrusions 41 can be inserted in a 1:1 correspondence with the through-holes 11. Thus, the fixing protrusions 41 may be spaced apart from each other at the same intervals as the through holes 11 and may be arranged in the same row. Due to this fixing protrusion 41, when the base iron plate 10 is placed on the work plate 40 of the workbench, the fixing protrusion 41 is inserted into the through hole 11 and the position of the base iron plate 10 is changed. It can be fixed stably.

In one embodiment, the fixing protrusion 41 may be formed to be movable up and down between a protruding position protruding onto the work board 40 and a recessed position located within the work board 40 . Specifically, in the protruding position, the fixing protrusion 41 protrudes upward from the upper surface of the work plate 40. Due to this, when the base steel plate 10 is positioned on the work plate 40, the fixing protrusion 41 is inserted into the through hole 11, thereby stably fixing the position of the base steel plate 10. In addition, since the inside of the through hole 11 of the corresponding portion is filled with the fixing protrusion 41, there is no space for the protrusion 21 of the guide angle 20 to be inserted. If the fixing protrusion 41 is inserted into the through hole 11 in a position where the guide angle 20 is not positioned, the guide angle 20 is prevented from being coupled to the wrong position on the base steel plate 10. can do.

Meanwhile, the depressed position is a state in which the fixing protrusion 41 is lowered and depressed within the work plate 40. That is, the fixing protrusion 41 does not protrude from the upper surface of the work plate 40 and the corresponding portion forms a flat plane. In the portion where the fixing protrusion 41 is in the recessed position, the fixing protrusion 41 cannot be inserted into the through hole 11 of the base steel plate 10. In this part, the inside of the through hole 11 is empty. For this reason, at the position where the guide angle 20 is disposed, the fixing protrusion 41 is controlled to be positioned in a recessed position, thereby providing a space into which the protrusion 21 of the guide angle 20 can be inserted, and the guide angle 20 The protrusion 21 of can be inserted into the through hole 11 of the base steel plate 10 so that its position can be stably fixed.

In one embodiment, each of the plurality of fixing protrusions 41 of the work plate 40 may be independently controlled to move up and down. That is, some of the plurality of fixing protrusions 41 may be controlled to be placed in protruding positions and other parts may be controlled to be placed in recessed positions. As a result, the fixing protrusion 41 corresponding to the position where the guide angle 20 is to be placed is controlled to be placed in a depressed position, thereby creating a space into which the protrusion 21 can be inserted into the through hole 11 of the base steel plate 10. Leaving behind, the fixing protrusions 41 placed in other positions are controlled to be placed at the protruding position so that the fixing protrusions 41 can be inserted into the through holes 11 of the base iron plate 10. ) has the effect of stably fixing the position and simultaneously preventing the guide angle 20 from being placed in the wrong position.

In one embodiment, the work board 40 is electrically connected to the control device 50 so that the positions of each of the plurality of fixing protrusions 41 can be independently controlled according to control commands of the control device 50.

In the frame manufacturing method according to an embodiment of the present invention, the welding step (S5) involves welding the guide angle 20 so that the metal pipe 30, the guide angle 20, and the base steel plate 10 are integrated. This may include ensuring that .

Specifically, there may be a case where the base steel plate 10 constitutes a part of the frame. In this case, welding is performed on the guide angle 20 so that the guide angle 20 is melted and the base steel plate 10 and the metal pipe 30 can be integrally connected. At this time, the guide angle 20 may be formed of a metal material suitable for welding. According to this embodiment, the guide angle 20 can not only guide the position of the metal pipe 30, but also serve as a medium to integrate the base steel plate 10 and the metal pipe 30, thereby maximizing its utility. You can.

In the frame manufacturing method according to an embodiment of the present invention, an LED light 42 is disposed below the fixing protrusion 41, the fixing protrusion 41 is formed of a material that allows light to penetrate, and the guide angle In the positioning step (S2), the control device 50 controls the LED lighting 42 disposed below only the fixing protrusion 41 located at the recessed position to ON, and controls the fixing protrusion 41 located at the protruding position to ON. The LED light 42 disposed below 41) may be controlled to be OFF.

In one embodiment, it is possible to visually determine the placement position of the guide angle 20 through the LED lighting 42. Specifically, if only the LED light 42 disposed under the fixing protrusion 41 corresponding to the position where the guide angle 20 is to be placed is turned ON, the through hole 11 at the corresponding position of the base steel plate 10 Light from the LED lighting 42 is emitted through. At this time, the fixing protrusion 41 is formed of a material that allows light to pass through, so that light from the LED light 42 can be well transmitted to the through hole 11. In addition, the fixing protrusion 41 can adjust the path of light from the LED light 42 through its internal structure to converge the light at one point or spread it well in all directions.

According to the above-described embodiment, the worker can determine at a glance where to place the guide angle 20 on the base steel plate 10, thereby maximizing work efficiency.

In the frame manufacturing method according to an embodiment of the present invention, the guide angle positioning step (S2) is such that the vertical portion 23 of the guide angle 20 is located at any position among left/right or top/bottom. Determining whether to place the guide angle 20, and depending on whether the vertical portion 23 is determined to be located left/right or up/down, a fixing protrusion at the position where the guide angle 20 is placed This may include controlling the LED lights 42 disposed below 41 by the control device 50 to emit illumination light of different colors.

Since the guide angle 20 has an 'ㄴ' shape, it is necessary to determine where the vertical portion 23 will be located: left/right, or top/bottom. Specifically, when the guide angle 20 extends in the vertical direction, the vertical portion 23 may be disposed on the left or right side. Additionally, when the guide angle 20 extends in the left and right directions, the vertical portion 23 may be disposed on the upper or lower side. In a portion where the metal pipe 30 is to be arranged to extend in the vertical direction, two or more guide angles 20 may be arranged along the extension direction of the metal pipe 30, and through this, the guide angle 20 may be positioned to extend in the vertical direction. The placement location can be guided more accurately. At this time, at one position along the extension direction of the metal pipe 30, the vertical part 23 of the guide angle 20 is arranged to be located on the left, and at the next position, the vertical part 23 of the guide angle 20 is positioned on the left. It can be arranged so that it is located on the right, and in the next position, the vertical part 23 of the guide angle 20 can be arranged so that it is located on the left again. In this way, by alternating the arrangement direction of the vertical portion 23 of the guide angle 20 left and right, the arrangement of the metal pipe 30 can be guided more stably. Likewise, in a portion where the metal pipe 30 is to be arranged to extend in the left and right directions, the vertical portion 23 of the guide angle 20 is positioned at the upper side at one position along the extension direction of the metal pipe 30. And, in the next position, the vertical part 23 of the guide angle 20 is positioned at the lower side, and at the next position, the vertical part 23 of the guide angle 20 is positioned again at the upper side. The arrangement direction of the vertical portion 23 of the angle 20 can be alternately arranged up and down.

In one embodiment, the control device 50 controls the LED at the corresponding through-hole 11 location depending on whether the vertical portion 23 of the guide angle 20 is determined to be disposed at the top/bottom or left/right. The lighting 42 can be controlled to emit illumination light of different colors. As a result, the worker can immediately determine the placement position of the vertical portion 23 when placing the guide angle 20, thereby maximizing work efficiency.

Although embodiments of the present invention have been described in more detail with reference to the accompanying drawings, the present invention is not necessarily limited to these embodiments, and various modifications may be made without departing from the technical spirit of the present invention. . Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but are for illustrative purposes, and the scope of the technical idea of the present invention is not limited by these embodiments. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive. The scope of protection of the present invention should be interpreted in accordance with the claims below, and all technical ideas within the equivalent scope should be construed as being included in the scope of rights of the present invention.

Therefore, other implementations, other embodiments, and equivalents of the claims also fall within the scope of the following claims.

10: Base iron plate
11: Through hole
20: Guide angle
21: protrusion
22: horizontal part
23: vertical part
30: metal pipe
40: work board
41: fixing protrusion
42: LED lights

Claims (3)

A base plate preparation step (S1) of placing the base plate 10 on the work plate 40;
A guide angle positioning step (S2) of determining positions to place a plurality of guide angles 20 on the base steel plate 10;
A guide angle arrangement step (S3) of arranging a plurality of guide angles 20 at a predetermined position on the base steel plate 10;
A metal pipe arrangement step (S4) of arranging a plurality of metal pipes 30 on the base steel plate 10;
A welding step (S5) of welding the portions where the plurality of metal pipes 30 come into contact with each other;
Including,
The base iron plate 10 is,
It includes a plurality of through holes 11 arranged in n × m rows (n, m are natural numbers of 2 or more) and spaced apart from each other at equal intervals,
The plurality of through holes 11 are openings that penetrate from the upper surface to the lower surface of the base steel plate 10,
The guide angle 20 includes a horizontal portion 22 and a vertical portion 23 and has a side cross section formed in an 'ㄴ' shape,
The guide angle 20 includes a plurality of protrusions 21 formed on the lower surface of the horizontal portion 22,
The protrusion 21 is formed in a shape corresponding to the through hole 11,
The work plate 40 includes a plurality of fixing protrusions 41,
The fixing protrusions 41 are arranged at equal intervals on the work plate 40 in n×m rows (n, m are natural numbers of 2 or more),
The fixing protrusion 41 is formed to be movable up and down between a protruding position protruding onto the work board 40 and a recessed position located within the work board 40,
Each of the plurality of fixing protrusions 41 can move up and down independently,
The fixing protrusion 41 is formed in a shape corresponding to the through hole 11,
The work board 40 is electrically connected to the control device 50 so that the positions of each of the plurality of fixing protrusions 41 are independently controlled according to control commands of the control device 50,
In the base steel plate preparation step (S1), the base steel plate ( Including placing 10) on the work board 40,
The guide angle positioning step (S2) is,
The control device 50 receives shape data of the final frame,
The control device 50 determines at which position the guide angle 20 will be placed on the base steel plate 10 based on the shape data,
In the control device 50, the fixing protrusion 41 corresponding to the position where the guide angle 20 is to be placed on the base steel plate 10 is located in a recessed position, and the fixing protrusion 41 located in the recessed position is The other fixing protrusions 41 are controlled to be positioned at the protruding position,
By the control device 50, the LED lighting 42 disposed at the lower portion of the fixing protrusion 41 located at the recessed position is controlled to be ON, and is disposed at the lower portion of the fixing protrusion 41 located at the protruding position. The LED light 42 is controlled to be OFF,
The guide angle arrangement step (S3) includes inserting and fixing the protrusion 21 of the guide angle 20 into the through hole 11 at a predetermined position,
The metal pipe arrangement step (S4) includes arranging the metal pipe 30 in a direction guided by the vertical portion 23 of the guide angle 20.
How to make a frame.
delete According to paragraph 1,
The welding step (S5) includes performing a welding operation on the guide angle 20 so that the metal pipe 30, the guide angle 20, and the base steel plate 10 are integrated.
How to make a frame.