CN112601868B

CN112601868B - Method for changing width of building aluminum plate

Info

Publication number: CN112601868B
Application number: CN201980052857.9A
Authority: CN
Inventors: 白熙晶; 金贵焕
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-17
Filing date: 2019-07-22
Publication date: 2022-06-24
Anticipated expiration: 2039-07-22
Also published as: KR102041401B1; CN112601868A; WO2020036326A1

Abstract

The present invention relates to a recycling method of an aluminum panel for construction, which is capable of reforming an existing aluminum panel in use into a panel having a width of a specific size required for a variety of construction sites. The method comprises the following steps: providing an existing aluminum plate for construction; a section of a portion of the flat body of the plate is removed in a length direction; cutting and removing the upper and lower frames and the reinforcing frame in a length direction from a point in the cut width portion; a reusable side frame having an L-shaped cross section is placed on the cut portion of the plate, and the contact portions of the two members are welded. The sheet provided as the material on which the step has been performed is updated to a sheet having a changed width.

Description

Method for changing width of building aluminum plate

Technical Field

The present invention relates to an aluminum plate used as a frame for constructing a building, and more particularly, to a method for changing the width of an aluminum plate for construction so that the aluminum plate that has been used is remodeled into a plate having a width that is changed to a specific size required for a single construction site, and an aluminum plate reshaped by the method.

Background

In order to construct walls, floors and pillars in the process of constructing buildings, apartments or other buildings, frames (frames) are generally installed around the walls, pillars, ceilings or the like so that concrete grout is cast therein and then cured therein.

The cast concrete exerts a great load and lateral pressure on the frame, and therefore, the frame needs to be made of a high-strength material capable of withstanding such a load. As an existing frame for construction, a so-called euro frame (euroforms) made of iron is mainly used. The European style framework comprises: an outer frame welded/formed to the rear surface of the quadrangular plate body, the outer frame directly abutting the concrete along the peripheral edge of the plate body; and a reinforcing frame spanning the frame.

Meanwhile, an aluminum panel, which is relatively advantageous in terms of forming, handling, and recyclability, has recently been developed and used instead of an iron european frame, and such an aluminum panel (also referred to as an "aluminum frame") is used to construct buildings on a rapidly increasing number of construction sites. The aluminum plate in the initial stage has the same structure as the euro frame except for the material. That is, a reinforcing frame and an outer frame are provided on the back surface of a rectangular aluminum plate body, respectively, and the two members are integrated by welding.

Meanwhile, the aluminum plate used today is not a simple flat body (flat body), but is manufactured by: the side frames are integrally press-molded so as to be perpendicular to the flat body along opposite edges thereof, and the upper/lower frames are formed at upper and lower ends of the plate main body integrally with these side frames. Then, the reinforcing frames are fixed at a plurality of positions between the upper and lower frames by welding or the like. Alternatively, in the case where the plate has a relatively large width, the ends of the flat portions of the two members pressed to have the "L" -shaped section are welded to each other, and then the upper/lower frames and the reinforcing frame are welded. As described above, the panel having the side frames integrally formed with the flat body is advantageous in terms of panel productivity, in addition to the fact that the side frames have significantly improved support strength, as compared with the existing panel having the panel main body as a simple flat body and the side frames formed on both edges of the back surface of the panel main body by welding.

Meanwhile, aluminum sheets for a frame used in construction are roughly classified into two types, i.e., wall panels for walls, pillars, and ceilings and floor panels for constructing floor slabs (slabs). Despite the differences between manufacturers, wall panels have an elongated rectangular shape with a width increasing from 100 to 600mm in units of 50 mm and in most cases with a standard size of 2400 mm in height. Most commercially available floor panels have standard dimensions, such as 100-.

However, the total length of the wall on the building site is not constant, and therefore there may be cases where the wall and ceiling frames cannot be formed from standardized panels alone. In this case, it is necessary to manufacture the wall and ceiling panels having a width corresponding to the remaining interval portions of the wall and ceiling, respectively. This causes a problem in that in the case where a board manufacturer has a press apparatus or the like dedicated to mass production of standardized boards, it is inevitably necessary to newly manufacture a wallboard and a ceiling board having a specific non-standardized width, which is troublesome in the operation process and an increase in the manufacturing cost.

Therefore, attempts have been made to manufacture and use wall panels having a width corresponding to the remaining wall by using existing standardized wall panels, in particular panels which are used at least once. According to this attempt, an existing standard wall panel is cut to a certain width in the longitudinal direction so as to obtain a necessary width, and the side frames are fixed to the cut longitudinal side portions by welding. The aluminum plate or recycled aluminum plate manufactured in this manner has a problem in that the side frame members attached by welding have low bonding strength or support strength and may be broken due to a load or lateral pressure applied by concrete in actual use. Therefore, it has not been practically used.

Meanwhile, there have been attempts to manufacture and use walls and ceiling panels having a width corresponding to that of the remaining walls and ceiling panels by using existing standardized walls and ceiling panels, particularly panels used at least once. According to this attempt, existing standard wall panels and ceilings are cut to width in the longitudinal direction so as to obtain a necessary width, and side frames are fixed to the cut longitudinal sides by welding. The aluminum plate manufactured in this manner or the recycled aluminum plate has a problem in that the side frame members attached by welding have low bonding strength or support strength and may be broken due to a load or lateral pressure applied by concrete in actual use. Therefore, it has not been practically used.

According to the existing method of manufacturing wall panels and ceilings having changed widths by recycling existing aluminum plates, a flat body, all outer frames and reinforcing frames attached/fixed to the flat body by welding are separated from each other by cutting or the like. The flat body is then cut longitudinally into at least two sections. The external frame that has been separated is also cut along its longitudinal direction. The separated flat body and the frame are welded together again to complete the plurality of plates. The method has a problem in that the separation, division, cutting and re-welding of the members are required to be completed through complicated steps for a long time, and thus is rarely used in an actual construction site.

Disclosure of Invention

Technical problem

[ patent documents ]

(patent document 1) korean registered utility model publication No. 20-0169470

(patent document 2) Korean registered invention publication No. 10-1005514

The present invention has been made keeping in mind the above problems occurring in the prior art, and an aspect of the present invention is to provide a method of manufacturing an aluminum plate having a changed width through simple steps, in which a prefabricated aluminum plate is used so that it has a changed width, and its side frame portions maintain strength equivalent to that of an original frame.

Another aspect of the present invention is to provide a method for reusing an aluminum plate such that an aluminum plate, which has been used many times on a construction site and thus cannot be reused or will be discarded, is reused as a plate having a changed width, thereby compensating for economic loss due to the handling of the plate and ensuring reuse as a new plate.

Yet another aspect of the present invention is to provide an aluminum panel for construction, which is manufactured to have a varying width, particularly a non-standard width, by the above-described method.

Technical scheme

According to one aspect of the present invention,

a method of changing a width of an architectural aluminum panel, comprising:

providing an aluminum plate for construction having a vertically long rectangular shape, a length thereof being greater than a width thereof, and provided with side frames integrally extruded, the side frames being perpendicular to the flat body on opposite length-side surfaces thereof, and the upper and lower frames and the reinforcing frame being fixed to the aluminum plate for construction by welding along upper and lower end openings in a width direction of the upper and lower end openings and along a length direction;

removing a cut width portion in a narrow range of one side of the flat body along a length direction of the flat body by grinding or cutting;

removing the side frames and the portions coupled thereto on the outer sides of the cutting lines of the cut width of the flat body by cutting the upper and lower frames and the reinforcing frame from a point of the area of the cut width portion of the flat body along the length direction of the flat body;

providing a side frame for reuse having an "L" -shaped cross-section, the side frame for reuse including a rib having the same material and thickness as the flat body and extending in the same length as the remaining cutting width, and having a main body extending integrally perpendicular to the rib and having the same size and length as the side frame of the plate;

positioning the side frame for reuse at a cut portion of the plate, one side portion of which is cut and removed, so that a contact state of end portions of the ribs over the entire length of the cut surface of the flat body is maintained in a state in which the ribs are contact-supported on the upper and lower frames and the reinforcing frame exposed to the cut width portion; and is

The plate and the side frames for recycling are integrally formed by welding together the length contact portions between the ribs of the side frames for recycling and the cut surfaces of the flat body and the contact portions of all of the upper and lower frames, the reinforcing frame and the side frames for recycling the plate, to complete the plate having a varied width.

The aluminium sheet provided in the first step of the method of the invention may be any sheet that has not been used or has been used, as long as it is manufactured with existing standardised dimensions. The standardized size is not strictly regulated but is determined by a panel manufacturer in consideration of a general floor height and the like that have been applied to a building so as to be mass-produced.

Next, in conjunction with the selection of the cutting area in the step of cutting and removing one side of the flat body within a narrow range, an area having a width corresponding to a remaining width required for a construction site is selected. More specifically, this corresponds to a point at which the width of the sheet reconfigured by coupling the side frame for reuse to the remaining cut width portion is the same as the remaining width.

Preferably, the remaining cut width portion has an area sized such that a sufficient welding area is secured between the ribs of the side frames, the upper/lower frames, and the reinforcing frame, which are welded and fixed, thereby securing a firm fixation of the side frames for reuse. In combination with the removal of the flat body by cutting or grinding in a narrow range, the surfaces of the upper/lower frames and the reinforcing frame, which are bonded to the bottom surface by welding, are completely exposed while maintaining the original shape with as little damage as possible. This is advantageous in terms of subsequent welding with the ribs of the side frame for reuse.

Next, the upper frame/lower frame and the reinforcing frame are cut along the outer cutting line of the cutting width of the flat body such that the outer ends of the upper frame/lower frame and the reinforcing frame at the cutting width portion are exposed while the length protruding to the outside of the panel main body is as large as the length of the cutting width.

Next, a side frame for reuse having an "L" shaped cross section is provided. The side frames for reuse are preferably made of the same material as the plates for subsequent welding. In addition, by using an aluminum extruder having extrusion holes of the same sectional shape as the plate, the continuously extruded extrusion material is cut to a desired length, more specifically, to the same length as the plate, thereby providing a side frame for reuse.

Meanwhile, the side frame for reuse is positioned on the cut portion of the plate, one side of which has been cut and removed, and the entire area of the contact portion between the two members is welded in this state. As for the aluminum material, argon welding is the most common type of welding, and is therefore preferably used in this case. Other types of welding may be used if desired.

The present invention provides an aluminum sheet for construction having a varied width, the aluminum sheet comprising: a plate main body in which a side frame perpendicular to the flat body is integrally formed on one side surface thereof, and in which an upper frame and a lower frame protruding to the outside from an end surface of the flat body by the same length and a reinforcing frame are welded and fixed to a rear surface of the flat body on opposite sides of the flat body; and a side frame for reuse having an "L" -shaped cross section, the side frame for reuse including a rib having the same length as the plate main body, having the same thickness as the flat body, and extending at the same length as the protruding length of the upper and lower frames, the side frame for reuse integrally extending and perpendicular to the rib, and having the same size as the side frame of the plate. The opposite side surfaces of the flat body of the plate main body and the ribs of the side frames for reuse contact each other, and the plate main body and the side frames for reuse contact each other. In this state, all the contact portions between the two members are integrally fixed together by welding.

The plate main body is formed by removing a frame portion of the outer side surface of a general aluminum plate and a part of the flat body. The plate prior to removal of the side frames may be any prefabricated, ready to use, used, or discarded aluminum plate.

Advantageous effects of the invention

The method according to the present invention is advantageous in that a prefabricated aluminum plate is recycled into a plate having a changed width through a simple process such that the side frame portions thereof maintain strength equivalent to that of the bendable side frames, so that the plate having a desired width can be easily manufactured through simple steps without using an additional pressing apparatus or the like for the remaining interval portion of the constructed wall.

According to the invention, the aluminium plate, which has been used many times on the building site and is therefore no longer reusable or discarded, is reused as a plate with a varying width, thereby compensating the economic losses due to the handling of the plate and ensuring its reuse as a new plate. Therefore, not only energy saving but also manufacturing cost reduction can be achieved as compared with the reuse step including the inconvenient and uneconomical steps of disassembling the discarded board, cutting it, chopping it, and melting it.

Drawings

Fig. 1 and 2 show an overall structure of a general aluminum plate for construction, in which fig. 1 is a perspective view and fig. 2 is a plan view.

Fig. 3 to 8 are a side view and a partial top view illustrating the method according to an embodiment of the invention in stages, wherein:

fig. 3 shows a state in which a part of the flat body is removed from the plate of fig. 1 within a narrow range;

fig. 4 shows a step of removing one side frame portion by cutting at a point in an area where the flat body of fig. 3 is removed;

fig. 5 shows a state in which the side frame portion is removed by the cutting step of fig. 4;

fig. 6 shows a state before the side frame for reuse is coupled to the panel main body;

fig. 7 shows a state in which the side frame for reuse is coupled to the panel main body; and

fig. 8 is a perspective view of a panel having a width that is varied by the method of the present invention.

Detailed Description

Technical objects of the present invention and unique operations and effects of the present invention, including characteristic steps and configurations thereof, will be more clearly understood by those skilled in the art from the following detailed description of embodiments of the present invention with reference to the accompanying drawings.

First, fig. 1 and 2 are a perspective view and a plan view showing an overall structure of a general aluminum plate for construction as a target object, in which an attempt is made to change the width of the target object in the method of the present invention, in which the illustrated plate 1 is a wall panel for constructing a wall body, the vertical length of which is longer than the width thereof, side frames 200 and 200 'are integrally formed along opposite outer edges of a flat body 100 in a pressing step, an upper frame 300 and a lower frame 300' are arranged at upper and lower ends of the flat body main body 100 in the length direction of the flat body 100, a plurality of reinforcing frames 400 are arranged parallel to the frame 100 at predetermined intervals between the upper frame 300 and the lower frame 300 'and are integrally fixed at opposite ends of contact portions of the flat body 100 and the side frames 200 and 200' by welding. In the drawings, reference numeral 500 denotes a reinforcement welding part, reference numeral 601 denotes a connection pin insertion hole for connecting with an adjacent panel, and reference numeral 603 denotes a space insertion groove penetrating through a concrete wall to insert the concrete wall and grasping an inner panel and an outer panel, so that the panels are attached to the wall.

Fig. 3 shows a step of cutting one side of the flat body of the plate of fig. 1 in a narrow range by grinding, grinding or cutting, and the combined portions of the upper and lower frames 300 and 300' and the reinforcing frame 400 fixed to the flat body 100 by welding before cutting are exposed in a strip-shaped area with a cutting width (cw) which is cut in a length direction thereof by the step of cutting the flat body 100.

After the narrow range portion of the flat body is completely cut, the side frames outside the cut width (c1) of the flat body and the portions coupled thereto are removed by cutting the upper and lower frames 300 and 300' and the reinforcing frame 400 in the length direction of the flat body 300 from a point in the area of the cut width (cw) of the flat body in fig. 4.

Fig. 5 shows a state in which the step of fig. 4 is completed and the outer ends of the upper and lower frames 300 and 300' and the reinforcing frame 400 at the portion of the cut width (cw) are exposed while protruding the length of the remaining cut width (rcw) to the outside of the panel body.

Subsequently, as shown in fig. 6, the side frame 600 for reuse having an "L" -shaped cross section is provided, and then, the side frame 600 for reuse has a rib 610, the thickness of the rib 610 is the same as that of the flat body 400, and the extended length is the same as the length of the remaining cut width (rcw) and the protruding length of the upper and lower frames, and has an "L" -shaped cross section extending perpendicularly to the rib 610 as a whole and having the same size and length as the side frame 200' of the panel.

In a state where the side frame 600 for reuse is located on the cut portion of the plate, one side of which has been cut and removed, the entire areas of the contact portions of the two members are welded to each other. That is, as shown in fig. 7, the ends of the ribs 610 of the side frame 600 for reuse and the cut surfaces of the flat body 100 are welded to each other along the longitudinal bonding line (b1), and the contact portions of the upper and lower frames 300 and 300', the reinforcing frame 400, and the side frame 600 are welded to each other. Then, a continuous welded portion may be formed along the contact portion by welding or spot welding performed at predetermined intervals, and welding of relative reinforcement may be performed on the corner portion or the like.

Fig. 8 shows the entire structure of the panel, which is modified to an aluminum panel for construction having a changed width because the panel main body and the side frame for reuse are completely welded to each other by the welding of fig. 7, and is characterized in that a bonding line (b1) along the length direction of the panel is exposed to the outside of the flat body 100 in terms of appearance, compared to an existing general panel.

[ description of reference numerals ]

1: aluminium plate

100: flat body

200. 200': side frame

300. 300': upper and lower frames

400: reinforced frame

600: side frame for reuse 610: ribs

bl: binding line cl: cutting line

cw: cut width rcw: the remaining cutting width.

Claims

1. A method for changing a width of an architectural aluminum panel, the method comprising:

providing an aluminum building panel for changing a width, the aluminum building panel having a vertically long rectangular shape, a length thereof being greater than a width thereof, and being provided with integrally extruded side frames which are perpendicular to a flat body on opposite length side surfaces thereof, and an upper frame and a lower frame and a reinforcing frame are fixed to the aluminum building panel by welding along upper and lower end openings in a width direction of the upper and lower end openings and along a length direction;

removing a cut width portion in a narrow range of one side of the flat body along a length direction of the flat body by grinding or cutting, wherein the upper frame and the lower frame and the reinforcing frame on a bottom surface thereof maintain their original shapes;

removing the side frames on the outer sides of the cut lines of the cut width of the flat body by cutting the upper frame and the lower frame and the reinforcing frame from a point of an area of the cut width portion of the flat body along the length direction of the flat body, thereby exposing the outer ends of the upper frame and the lower frame and the reinforcing frame while protruding to the outside of the plate main body by a length of a remaining cut width;

providing a side frame for reuse having an "L" -shaped cross-section, the side frame for reuse including a rib having the same material and thickness as the flat body and extending in the same length as the remaining cut width, and a main body extending integrally perpendicular to the rib and having the same size and length as the side frame of the plate;

positioning the side frame for reuse at a cut portion of the plate, one side portion of the cut portion being cut and removed, so that a contact state of an end portion of the rib over the entire length of a cut surface of the flat body is maintained in a state where the rib is contact-supported on the upper and lower frames and the reinforcing frame exposed to the remaining cut width portion; and is provided with

The plate and the side frame for recycling are integrally formed by welding together the length contact portions between the ribs of the side frame for recycling and the cut surfaces of the flat body and the protruding all contact portions of the upper and lower frames, the reinforcing frame, and the side frame for recycling of the plate to complete the plate having the changed width.

2. The method as set forth in claim 1, wherein the architectural aluminum panel for varying the width is provided as a prefabricated panel and is a panel which has not been used in the architectural field or has been used at least once.

3. The method as set forth in claim 1, wherein the architectural aluminum plate for varying the width provided and the side frame for reuse are made of the same material.

4. An aluminum building panel having a varying width, comprising:

a plate main body in which side frames perpendicular to a flat body are integrally formed on one side of the plate main body by extruding aluminum, and in which upper and lower frames protruding to the outside from an end surface of the flat body by the same length and a reinforcing frame are welded and fixed to a rear surface of the flat body on opposite sides of the flat body; and

a side frame for reuse having an 'L' -shaped section, the side frame for reuse including a rib of the same material and thickness as the flat body and extending in the same length as the protruding length of the upper frame and the lower frame, and a main body integrally extending to be perpendicular to the rib and having the same size as the side frame of the panel,

it is characterized in that contact portions at opposite side surfaces of the flat body of the plate main body and the ribs of the side frame for reuse are in contact with each other, and contact portions of the upper frame and the lower frame, the reinforcing frame, and the side frame for reuse, which protrude from the plate main body, are integrally fixed together by welding.

5. The aluminum building panel according to claim 4, wherein a bonding line parallel to a longitudinal direction of the panel is formed at a portion where the end surface of the flat body and the rib are in contact with each other and welded to each other.