WO2020036326A1

WO2020036326A1 - Method for changing width of aluminum panel for construction

Info

Publication number: WO2020036326A1
Application number: PCT/KR2019/009011
Authority: WO
Inventors: 백희정; 김귀환
Original assignee: 백희정
Priority date: 2018-08-17
Filing date: 2019-07-22
Publication date: 2020-02-20
Also published as: CN112601868A; CN112601868B; KR102041401B1

Abstract

The present invention relates to a method for reusing an aluminum panel for construction, the method enabling an existing aluminum panel in use to be re-formed into a panel having a width changed to a particular measurement required in individual construction sites. The method comprises the steps of: providing an existing aluminum panel for construction; removing a part of a section of a flat body of the panel along the length direction; cutting and removing upper and lower frames and a reinforcement frame along the length direction from a point in a cut width section; and positioning a reusable lateral frame having an L-shaped cross section on the cut part of the panel and welding the contact part of the two members. A panel provided as a material for which the steps have been performed is renewed into a panel having a changed width.

Description

How to change the width of architectural aluminum panels

The present invention relates to an aluminum panel used as a formwork for building construction, and more particularly, to an aluminum panel for building to be remolded into a panel having a changed width to a specific dimension required in the individual construction site using the existing aluminum panel. It relates to a width changing method of and an aluminum panel reshaped by the method.

In general, formwork is installed around walls, columns, ceilings, etc. until concrete is cured by pouring concrete slurry in order to erect walls, floors, and columns of buildings or apartments.

The formwork requires a high-strength material that can withstand such a load because a significant load and lateral pressure by the cast concrete is applied. So-called euroforms made of iron have been mainly used as a conventional building formwork. The euroform has a configuration in which the outer frame welded along the outer periphery of the plate and the reinforcing frame across the frame are integrally formed on the rear surface of the rectangular plate directly contacting the concrete.

On the other hand, in recent years, aluminum panels, which are relatively advantageous in formability, handling, and recyclability, have been developed and used in place of the iron euroforms, and are used to construct buildings by applying such aluminum panels (also known as 'Alform'). This is expanding rapidly. The initial aluminum panel had the same structure as the above-mentioned Euroform, in which only the material was simply changed, that is, a frame made of a reinforcing frame and an outer frame was separately provided on the back of the rectangular aluminum plate, and the two members were integrated by welding. .

However, in today's architectural aluminum panels, rather than a simple flat body, the side frame perpendicular to the flat body along both edges of the flat body is extruded into a single body, and the upper side of the panel body in which such side frames are integrally formed. The upper and lower frames are formed at the bottom and the bottom, and the reinforcement frame is welded to a plurality of places between the upper and lower frames, or in the case of a relatively wide panel, the flat plates of two members extruded in a "b" cross section. The upper and lower frames and the reinforcing frame are welded to each other after welding to the end portions. As described above, in the case of a panel in which the side frame is extruded integrally with the plate body, the supporting strength of the side frame is significantly improved as compared to the case in which the side frame is formed by welding to both side edges of the back plate of the conventional simple plate body. It is also advantageous in terms of panel productivity.

Meanwhile, the building formwork aluminum panel is mainly composed of two kinds of walls and columns, wall panels used for ceilings, and deck panels used for building slabs, and wall panels vary widely depending on the manufacturer, but are generally wide in width. It is changed to the length of 50mm from 100mm to 600mm, and the height is mostly rectangular shape standardized to 2400mm, and most of the deck panels are manufactured in standard size such as 100 ~ 600mm x 1200 ~ 1500mm.

However, since the overall length of the wall at the building construction site is not constant, it may not be possible to form the wall and the ceiling formwork using only the standardized panels, and in this case, the wall and the ceiling space are unavoidable. Wall and ceiling panels with widths must be manufactured separately. Panel manufacturers operating extrusion equipment, etc., which are suited for mass production of standardized panels, newly produce non-standard specific width walls and ceiling panels. There is a problem that the cumbersome work process and the additional manufacturing cost can not be avoided.

Thus, there has been an attempt to manufacture and use a wall panel having a width that is suitable for the rim wall using an existing standardized wall panel, in particular, a panel used at least once. The above method is to cut a certain width along the longitudinal direction of the existing standard wall panel to the required width, and then fix the side frame by welding to the cut longitudinal side portion. In the case of manufactured or recycled aluminum panels, the joint strength or support strength of the side frame parts attached by welding is low, which causes problems that they do not endure the load or side pressure applied by concrete in actual use, and thus are not practical. have.

On the other hand, attempts have been made to manufacture and use wall and ceiling panels having widths suitable for the wall and ceiling using existing standardized walls and ceiling panels, in particular, panels used at least once. The above method is to cut a certain width along the longitudinal direction of the existing standard wall and ceiling panel to the required width, and then fix the side frame by welding to the cut longitudinal side portion. In the case of aluminum panels manufactured or recycled by the method, since the bonding strength or the supporting strength of the side frame portion attached by welding is low, the panel may fail to withstand the load or lateral pressure applied by concrete in practical use. It is not reaching.

As a conventional method of manufacturing walls and ceiling panels of varying widths through regeneration of existing aluminum panels, both the flat body, the outer frame fixed by welding and the reinforcing frame are separated from each other by cutting, and then flat plate. The sieve is cut into two or more along the longitudinal direction, and accordingly, the previously separated outer frame is also cut along the longitudinal direction to weld the divided plate and the frame again to complete a plurality of panels, which completely separates the members. As the process of splitting, cutting and re-welding is complicated and requires a lot of time, it is rarely used in actual construction sites.

[Patent Documents]

(Patent Document 1) Republic of Korea Registered Utility Model Publication No. 20-0169470

(Patent Document 2) Republic of Korea Patent Publication No. 10-1005514

The present invention was devised in view of the disadvantages and problems of the prior art, so that the strength of the side frame portion to maintain the strength of the side of the original frame while having a changed width through a simple process using a prefabricated aluminum panel. The present invention provides a method for manufacturing an aluminum panel having a changed width.

Another object of the present invention is the economic loss due to the disposal of the panel by re-creating the panel with the changed width by using the aluminum panel which is already used several times in the building construction site and it is difficult for further use or in the pre-disposal stage. The present invention provides a method for regenerating aluminum panels, which allows cost preservation and regeneration to new panels.

It is a further object of the present invention to provide a building aluminum panel made of a changed width, in particular of non-standard width, through the above method.

The above object of the present invention;

It is a long rectangular shape with a large length compared to the width, and is vertically formed on both sides in the longitudinal direction and integrally extruded side frames, and the upper and lower frames along the width in the longitudinal direction and the reinforcement frame are arranged along the width in the longitudinal direction. Providing a building aluminum panel configured to be fixed by welding;

Removing the cutting width section of one side of the flat plate by grinding or cutting along the longitudinal direction;

Cutting the upper and lower frames and the reinforcement frame along a length direction from one point of the flat plate cutting width section region to remove the side frame outside the cut line of the flat plate cutting width and a portion coupled thereto;

Regeneration of an "a" shaped cross section having ribs equal in thickness to the plate and extending in length equal to the remaining cutting width, integrally extending perpendicularly thereto and having the same size and length as the side frame of the panel Providing a side frame;

The reproducing side frame is positioned in the cutout of the panel in which one side is cut and removed so that the end of the rib is in contact with the upper and lower frames and the reinforcing frame exposed to the cutting width. Maintaining contact over the entire length;

The panel and the regeneration side frame are welded between the longitudinal contact portion between the rib of the regeneration side frame and the cut surface of the panel and between the upper and lower frames and the reinforcement frame of the panel and the regeneration side frame by welding the entire contact portion. Integrating to complete a panel of varying width;

It is achieved by a width changing method of the building aluminum panel characterized in that it comprises a.

The aluminum panel provided in the first step of the method of the present invention may be any panel which has been used or has been used as a panel produced with existing standardized dimensions. The standardized dimension is not strictly controlled, but is determined in consideration of the general floor height that has been applied in buildings for convenience of mass production by panel manufacturers, and does not have a special meaning or binding force.

Next, the selection of the cutting area in the step of cutting off a small portion of one side of the panel flat body is an area to be a width corresponding to the width of the cutout required in the building construction site, more specifically, the regeneration of the remaining cutting width area. The dragon side frames are joined so that the width of the panel to be reconstructed coincides with the edge width.

At this time, the width of the remaining cutting width portion is suitable to ensure the fixing of the side frame for regeneration by securing a sufficient welding area between the ribs of the reproducing side frame welded thereto and the upper and lower frames and the reinforcement frame. It is desirable to ensure size. In the cutting or polishing removal of the flat plate, the surface of the upper and lower frames and the reinforcing frame, which are joined by welding to the bottom thereof, is exposed so that the surface of the flat body is maintained as it is without any damage. It is advantageous in the subsequent welding with the rib of the side frame for regeneration.

Next, when the upper and lower frames and the reinforcing frame are cut along the outer cutting line of the flat plate cutting width, the outer ends of the upper and lower frames and the reinforcing frame of the cutting width portion are outside the panel body by the length of the cutting width. Exposed to the side is exposed.

Subsequently, a side frame for regeneration of the “a” type cross section is provided, wherein the material of the side frame for regeneration is preferably formed of the same material as that of the panel to facilitate subsequent welding. The regeneration side frame is provided by cutting the extruded material continuously extruded through an aluminum extruder having an extrusion hole corresponding to the cross-sectional shape to a required length, more specifically, the same length as the panel.

On the other hand, argon welding as the most common welding method for aluminum materials is preferable when welding the entire side of the contact portion between these two members while the regeneration side frame is positioned on the cutout portion of the panel from which one side is cut off. In some cases, other welding methods may be applied.

In the present invention, a side frame perpendicular to the flat plate is integrally formed on one side, and the upper and lower frames and the reinforcing frame protruding outward from the end face of the flat plate to the same length are formed on the other side of the flat plate. A panel body welded and fixed to the rear surface, the panel body having the same length as the panel body and having the same thickness as the flat plate and extending to the same length as the protruding length of the upper and lower frames while being perpendicular to the vertical body. And a side frame for regeneration having a "a" shaped cross-section extending to and having the same size as the side frame of the panel, wherein the other side of the flat body of the panel body and the ends of the ribs of the side frame for regeneration are mutually different. While the panel body and the side frame for regeneration are in contact with each other, the entire contact portion between the two members is integrally formed by welding. It provides a building aluminum panel having a modified width characterized in that defined.

At this time, the panel body is formed by removing a portion of the outer side frame portion and the flat plate of the general aluminum panel, wherein the panel before removing the side frame of the aluminum panel in the state before, after use and before disposal Any one is ok.

In the method of the present invention, the pre-fabricated aluminum panel is changed to a panel having a changed width in a state in which the strength of the side frame portion is maintained to be comparable to that of the side frame of the original panel while having a changed width through a simple process. As it is born, there is an advantage that the panel having the required width can be easily manufactured in a simple process without requiring an additional extrusion facility for use in the edge of the construction wall.

The present invention allows the reconstruction of panels with varying widths by using aluminum panels that have already been used several times in a building construction site and are in a difficult state of repetitive use or in the pre-disposal stage. By regeneration to new panels, energy savings and manufacturing costs can be reduced compared to recycling processes involving cumbersome and uneconomical processes such as dismantling, cutting, scrapping and melting of discarded panels.

1 and 2 show the overall structure of a general building aluminum panel, Figure 1 is a sadido, Figure 2 is a plan view.

3 to 8 are side and partial plan views showing step by step an embodiment of the present invention,

3 is a state in which a portion of the flat plate is slightly removed from the panel of FIG.

FIG. 4 illustrates a process in which one side frame portion is removed by cutting at a point in an area where the plate portion of FIG. 3 is removed.

Figure 5 shows a state in which the side frame portion is removed through the cutting process of Figure 4,

Figure 6 shows the state before the side frame for playback is coupled to the panel body,

Figure 7 shows a state in which the side frame for reproduction is coupled to the panel body.

8 is a perspective view of a panel with a changed width through the method of the present invention.

The specific effects of the present invention, including the technical purpose, characteristic process and configuration, will be more clearly understood by those skilled in the art through the following detailed description with reference to the drawings for the embodiments of the present invention.

First and FIG. 1 and FIG. 2 are a perspective view and a plan view showing the overall structure of a general building aluminum panel as an object to which a change in width is attempted in the method of the present invention, wherein the panel 1 shown in FIG. A wall panel for building a build-in wall, in which side frames 200 and 200 'are integrally formed in an extrusion step along both outer edges of the flat plate 100, and the upper and lower ends thereof extend along the longitudinal direction of the flat plate. The upper and lower frames 300 and 300 ', and a plurality of reinforcement frames 400 in the middle thereof are arranged in parallel with the upper and lower frames 300 and 300' at predetermined intervals. It is integrally fixed by welding in the contact part of the contact part of 100 and the contact part with the side frames 200 and 200 of both ends. In the drawings, reference numeral 500 denotes a reinforcement welded portion, 601 denotes a connection pin insertion hole for connecting to an adjacent panel, and 603 denotes a space for inserting a groove to hold the inner and outer panels in close contact with the wall by being inserted through the concrete wall. to be.

FIG. 3 shows a process of cutting one side of the flat plate slightly through grinding, cutting or cutting in the panel of FIG. 1, and before cutting the band-shaped area cut along the longitudinal direction through the flat plate cutting process. The joints of the upper and lower frames 300 and 300 ', and the reinforcement frame 400, which are fixed to the flat plate 100 by welding, are exposed by the cutting width cw.

After the cutting of the narrow section of the flat plate is completed, the upper and lower frames 300 and 300 'and the reinforcing frame 400 along the length direction from one point of the flat plate cutting width cw area in FIG. It is cut to remove the side frame and the portion bonded to the outside of the cutting line (cl) of the flat plate cutting width.

FIG. 5 shows a state in which the process of FIG. 4 is completed. The upper and

lower frames

300 and 300 ′ of the cutting width cw and the outer ends of the reinforcing frame 400 have the lengths of the remaining cutting widths rcw. As long as it is exposed to the outside of the panel body is exposed.

Subsequently, as shown in FIG. 6, a side frame 600 for regeneration having a “a” type cross section is provided, wherein the side frame 600 for regeneration has the same thickness as the flat plate 400 and the remaining cutting. Rib 610 extending to the width rcw and the same length as the protrusion length of the upper and lower frames and integrally extending perpendicularly thereto and having the same size and length as the side frame 200 'of the panel. It is formed into a cross section.

In the state where the side frame 600 for reproduction is located on the cut part of the panel from which one side part was cut off, welding is performed with respect to the whole contact part area | region between these two members. That is, as shown in Figure 7, the welding is made along the longitudinal joining line (bl) between the end of the rib 610 of the side frame 600 for reproduction and the cut surface of the flat plate 100, the upper and lower frames 300 , 300 ') and welding at the contact between the reinforcing frame 400 and the regeneration side frame 600. The welding may be performed by forming a continuous weld along the contact, or by spot welding at regular intervals, Relatively enhanced welding may be made to the site and the like.

FIG. 8 illustrates the overall structure of a panel formed of a building aluminum panel having a changed width after welding of the panel body and the reproducing side frame through welding of FIG. 7 is completed. Compared with the panel, the bonding line bl along the longitudinal direction of the panel is exposed at one outer side of the flat plate 100.

[Description of the code]

1: aluminum panel

100: flat plate

200, 200 ': side frame

300, 300 ': Up and down frame

400: reinforcement frame

600: side frame 610 for reproduction: rib

bl: joint line cl: cutting line

cw: cutting width rcw: residual cutting width

Claims

It is a long rectangular shape with a large length compared to the width, and is vertically formed on both sides in the longitudinal direction and integrally extruded side frames, and the upper and lower frames along the width in the longitudinal direction and the reinforcement frame are arranged along the width in the longitudinal direction. Providing a building aluminum panel configured to be fixed by welding;

Removing the cutting width section of one side of the flat plate by grinding or cutting along the longitudinal direction, wherein the upper and lower frames and the reinforcing frame of the bottom are maintained in their original shapes;

The upper and lower frames are cut along the longitudinal direction from one point of the flat plate cutting width section area to remove the side frame outside the cutting line of the flat plate cutting width and the portions thereof coupled thereto. Exposing the outer end of the reinforcing frame to protrude outward of the panel body by the length of the remaining cutting width;

A "a" shaped cross-section consisting of a rib having the same material and thickness as the flat body and extending to the same length as the remaining cutting width and integrally extending perpendicularly thereto and having the same size as the side frame of the panel. Providing a side frame for reproduction;

The reproducing side frame is positioned on the cutout of the panel in which one side is cut and removed so that the ends of the ribs are in contact with the upper and lower frames and the reinforcement frame exposed to the remaining cut width. Maintaining contact over the length;

The panel and the reclaimer by welding to the longitudinal contact between the rib of the reproducing side frame and the cut surface of the flat plate, and the entire contact between the protruding upper and lower frames of the panel and the reinforcing frame and the reproducing side frame. Integrating the side frames to complete a panel of varying width;

Method for changing the width of the building aluminum panel comprising a.
The method of claim 1, wherein the panel provided for changing the width is a panel manufactured before use or at least one or more times at a construction site.
The method of claim 1, wherein the panel provided for changing the width and the reproducing side frame are made of the same material.
The side frame perpendicular to the flat plate on one side is integrally formed by aluminum extrusion, and on the other side, the upper and lower frames and the reinforcing frame protruding outwardly the same length from the end face of the flat plate are made of the flat plate. The panel body fixed by welding on the back,

A rib having the same material and thickness as that of the flat plate and extending in the same length as the protruding length of the upper and lower frames and integrally extending perpendicular to the rib and having a body having the same size as the side frame of the panel. And a side frame for regeneration having a cross-section, wherein the other side of the flat body of the panel body and the rib of the side frame for contacting each other and the protruding upper and lower frames and the reinforcement frame of the panel body and the regeneration frame A building aluminum panel having a modified width, characterized in that the contacts between the side frames are integrally fixed by welding.
The building aluminum panel according to claim 4, wherein a joining line parallel to the longitudinal direction of the panel is formed at a portion where the end face of the flat plate and the rib abut each other.