KR20120095219A

KR20120095219A - Reusing method of concrete form

Info

Publication number: KR20120095219A
Application number: KR1020110014751A
Authority: KR
Inventors: 이상호
Original assignee: 이상호
Priority date: 2011-02-18
Filing date: 2011-02-18
Publication date: 2012-08-28

Abstract

PURPOSE: A method for recycling a form is provided to improve the recycling rate of a form and to reduce required time and costs for recycling the form with a simplified recycling process. CONSTITUTION: A method for recycling a form is as follows. A board coupled in one side of a form is separated(S10). After separating the board from a form frame, foreign materials on the form frame is removed(S20). Verticals angles formed on the form frame are removed(S30). Fastening holes for joining wedge pins are formed on upper and lower frames of the form frame at predetermined intervals(S40). Insertion grooves for inserting flat bars are formed in parts where the fastening holes are formed(S50). Horizontal angles are cut at a same interval(S60). The upper and lower frames of the form frame are cut at the same interval with the horizontal angle to divide the form frame into at least two parts(S70). A frame piece is respectively coupled to each cut surface of the form frame to form at least two regeneration frames(S80). The regeneration frames are painted and dried(S90).

Description

Form Recycling Method {REUSING METHOD OF CONCRETE FORM}

The present invention relates to a method for recycling formwork, and more particularly, to a formwork recycling method for reducing the formwork cost by allowing the used formwork to be processed and reused in an efficient manner.

In the field of construction, formwork is used to build kneaded concrete during molding of interior and exterior walls and columns in building construction structures. Formwork is manufactured and used in various forms according to the type and height of the building to be built, and in the case of building-type buildings such as apartments, recently, the Euroform formwork standardized to a certain standard is widely used.

Such a Eurofoam type formwork generally includes a plate portion directly subjected to a load of unhardened concrete paste, an iron frame for preventing bending and damage of the plate portion, and an angle disposed between and fixed to the frame.

Referring to FIG. 1, which shows a conventional euroform type formwork, the frame 2 of the conventional euroform type formwork 1 is generally made of steel and forms a quadrangular shape as a whole. Fastening holes 2a for fastening pipe hooks and wedge pins and a flat long rectangular flat tie bar or spacer are fastened to the rim of the frame 2. It is provided with a plurality of interval grooves 2b at predetermined intervals. An angle 3 for reinforcing the frame and the plate is appropriately arranged inside the frame 2, and the plate 4 is disposed on the front of the frame 2 and fastened with a rivet or the like. The euroform formwork 1 is shaped to a certain standard, so that it is easy to install and dismantle and can be used repeatedly.

However, in the case of recycling the formwork 1 which has reached the end of its life by using several times, conventionally, the frame 2 and the angle 3 of the formwork 1 are dismantled, and the frame 2, angle 3 and plate ( After cutting 4) by a predetermined interval, the dismantled frame 2 and the angle 3 and the plate 4 are welded and riveted one by one according to their size to recycle them into form 1 of a smaller size. A method was used to make it possible.

However, in the case of the above method, the cumbersome cutting, dismantling and welding operations have to be repeatedly performed in order to recycle the formwork, thereby reducing the efficiency of the work, thereby increasing the working time and cost.

In addition, the formwork to be recycled has a certain size, when cutting the frame (2) and the angle (3), etc. in order to meet this size, the dimensions must be cut in consideration of the thickness of the frame (2), etc. It is cumbersome because it has to be measured and cut, and in particular, when a large number of formwork is to be recycled, there is a problem that the cumbersome work must be repeated separately for each formwork.

In addition, since a substantial portion of the cut portions in the frame 2, the plate 3, etc. are not recycled and discarded, there is a problem that the recycling rate is lowered.

The present invention has been made to solve the above problems, and can improve the recycling rate of the formwork, the formwork recycling method that can significantly reduce the time and cost required for formwork recycling by simplifying the recycling operation itself It aims to provide.

In order to solve the above problems, the present invention,

Plate separating step of separating the plate is coupled to one side of the formwork; A shot working step of removing foreign matters from the formwork in which the sheet material is separated (hereinafter referred to as 'former mold'); A vertical angle removing step of removing the vertical angle formed in the formwork; A fastening hole forming step of forming fastening holes for coupling wedge pins at upper and lower frames of the formwork at predetermined intervals; A notching step of forming an insertion groove for inserting a flat bar into a portion where the fastening hole is formed; A horizontal angle cutting step of cutting one or more horizontal angles formed in the formwork at equal intervals; An upper and lower frame cutting step of cutting the upper and lower frames of the formwork at the same interval as the horizontal angle to separate the formwork into two or more; A reproduction frame forming step of coupling frame pieces to respective cut surfaces of the separated two or more formwork frames to form two or more reproduction frames; And a plate joining step of cutting and joining a sheet material according to the size of each reproduction frame, wherein the horizontal angle cutting step and the upper and lower frame cutting steps include cutting the horizontal angle and the upper and lower frames. The horizontal angle cutting device is provided with a predetermined mold to form a wedge pin coupling groove in the horizontal angle at the same time as the horizontal angle cutting step. It provides a formwork recycling method characterized in that the cutting by punching.

Here, between the upper and lower frame cutting step and the plate joining step, the paint work step of painting and drying the respective regeneration frame; may be further included.

In addition, the fastening hole forming step, when the formwork is separated into three after the upper, lower frame cutting step, characterized in that to form the fastening hole by calculating the position required for each of the separated formwork In the horizontal angle cutting step and the upper and lower frame cutting step, the formwork is divided into three parts by cutting the horizontal angle and the upper and lower frames twice, respectively, and the reproducing frame forming step includes: It can be characterized by forming three reproduction frames by joining the frame pieces to each of the three separate formwork frames.

On the other hand, the horizontal angle cutting device, as a hydraulic press cutting device punching from the top to the bottom to cut the horizontal angle, a punching groove is formed is a lower mold protruding in the 's' shape of the upper right; and the lower mold And an upper mold having a punching portion corresponding to the punching groove so as to penetrate the punching groove, wherein the punching groove includes a horizontal angle cutting groove and the wedge formed at twice the thickness of the frame. Wedge grooves for punching the pin coupling groove may be characterized in that the cross shape in the cross shape.

In addition, the horizontal angle cutting device, a tunnel-type through portion penetrating the front and rear, the lower mold is predetermined at the lower portion of the tunnel-type through portion so that the formwork can be placed inside the tunnel-type through portion. It may be characterized by being formed in a columnar shape having a height.

In addition, the upper and lower frame cutting step is made by a hydraulic frame cutting device for cutting by cutting the upper and lower frames from the top to the bottom, the frame cutting device is projected horizontally so that the formwork frame is settled And a lower supporter formed with a frame cutting groove, and an upper cutting punch formed to correspond to the frame cutting groove, wherein the frame cutting grooves are formed at intervals twice the thickness of the frame.

On the other hand, the size of the lower support, it may be characterized in that the formwork is formed to be smaller than the interval between the horizontal angle of the formwork and the frame, so that the formwork can be placed through the lower support.

In addition, the fastening hole forming step is made by a hydraulic fastening hole punching device to form a fastening hole by punching from the top to the bottom, the fastening hole other factory value, the upper, the lower frame can be placed through the size And a lower perforation zone formed with a perforation groove for the fastening hole perforation; and an upper perforation punch formed to correspond to the perforation groove, wherein the perforation groove is formed to have the same size as the fastening hole. It can be characterized.

According to the present invention, it is possible to drastically improve the recycling rate of the formwork, and by simplifying the recycling operation itself, there is an effect that can significantly reduce the time and cost required for formwork recycling.

1 is a view showing an embodiment of the formwork according to the prior art,
2 is a view showing an embodiment of the formwork used in the present invention,
3 is a flowchart of a formwork recycling method according to the present invention;
4 is a view showing a plate separating step according to the present invention,
5 is a view showing a vertical angle removing step according to the present invention,
Figure 6 is a perspective view showing an embodiment of a fastening hole drilling apparatus according to the present invention,
7 is a view showing a horizontal angle cutting step according to the present invention,
8 is a view showing a lower mold of the horizontal angle cutting device according to the present invention,
9 is a view showing an embodiment of a horizontal angle cutting device according to the present invention,
10 is a view showing an upper and lower frame cutting step according to the present invention,
11 is a view showing a frame cutting device according to the present invention,
12 is a view showing a playback frame forming step according to the present invention;
Figure 13 shows another embodiment of a formwork recycling method according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in this specification and claims should not be construed in a common or dictionary sense, and the inventors will be required to properly define the concepts of terms in order to best describe their invention. Based on the principle that it can, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, at the time of the present application, It should be understood that there may be water and variations.

2 is a view showing the structure of a general formwork.

As shown in Figures 2a to 2c, the conventional formwork 100 is largely composed of a formwork 120 and a plate 110 coupled to one surface of the formwork 120, the formwork 120 is again a formwork ( It consists of a frame 123 forming an outer circumferential surface of the 100, a horizontal angle 122 and a vertical angle 121 disposed inside the frame 123. The horizontal angle 122 and the vertical angle 121 are generally formed in a 'b' shape to reinforce the internal rigidity of the formwork 100. In addition, the frame 123 is fastened by the insertion of the other frame 123 and the wedge pin, so that a fastening hole 124 for this is formed at predetermined intervals of the frame 123, and a ridge on the edge of the frame 123. 126 may be formed, and the insertion groove 125 is formed in the groove shape for inserting the flat bar in the fastening hole 124 position. In addition, as illustrated in FIG. 2C, the stepped portion 127 may be formed on one surface of the frame 123 that is coupled to the horizontal angle 122 for more stable coupling.

Such formwork 100 is generally used that the size of the horizontal and vertical length (cm) of 600 × 1200, but if necessary to use 200 × 1200, 250 × 1200, 300 × 1200, 400 × 1200, etc. do. In the exemplary embodiment of the present invention, the size of the formwork 100 is described based on 600 × 1200, but the present invention is not limited thereto and may be applied to all formwork 100 of various sizes.

As shown in Figure 3, the formwork recycling method according to an embodiment of the present invention, the plate separating step (S10) and the plate 110 to separate the plate 110 is coupled to one surface of the formwork (100) Short working step (S20) of removing the foreign matter of the separated formwork 120 and the vertical angle removing step (S30) and the formwork 120 to remove the vertical angle 121 formed in the formwork 120 Fastening hole forming step (S40) for forming a fastening hole 124 for coupling the wedge pin to the upper and lower frames (123a, 123b) and the insertion for inserting the flat bar in the portion formed with the fastening hole (124) The notching step (S50) of forming the groove 125 and the horizontal angle cutting step (S60) and the formwork of the die 120 to cut at least one horizontal angle 122 formed in the formwork 120 By cutting the upper and lower frames (123a, 123b) at the same interval as the horizontal angle 122 Combining the frame pieces 510 to the respective cutting surfaces of the upper and lower frame cutting step (S70) and the separated two or more formwork 120 to separate the formwork frame 120 into two or more playback frames ( Reproduction frame forming step (S80) to form a 500 and the paint work step (S90) for painting and drying each of the reproduction frame 500 and the plate material 110 to match the size of each of the reproduction frame (500) It may be configured to include a plate coupling step (S100) for cutting to combine).

First, the plate separating step (S10) is separated from the formwork 100 to separate the plate member 110 coupled to one surface of the formwork 100 as shown in Figure 4 formwork frame 120 and plate 110 Dividing by

In general, the plate 110 is often combined with the rivets formed at each corner of the formwork 120, so in this case the plate 110 is removed in such a way as to remove the pins for fixing the rivets and the plate 110. Can be separated.

Then, the short work step (S20), is to remove the foreign matter of the formwork frame 120 is separated from the plate 110.

Since the used formwork 100 has foreign substances such as concrete residues, it is removed first and then proceeds to the next step.

The method or apparatus for removing foreign matters is not particularly limited, but in order to remove foreign matters such as concrete, removing concrete residues by rubbing a large number of small sized metal balls on the formwork 120 reduces work time and It is desirable to reduce the cost.

An example of such a device is to prepare a device capable of firing a plurality of iron balls inside a box of a rectangular parallelepiped, place the formwork 100 therein, and then rotate the rotary ring connected to the upper formwork form 120 to form a mold ( It may be proposed to rotate all the surfaces of the formwork 120 to rub the metal ball so that foreign matters can be removed cleanly.

Here, the feature of the present invention is that the short working step (S20) is carried out before the vertical angle removing step (S30).

In the prior art, since the debris was removed from the formwork 120 after dismantling the vertical angle 121 of the formwork 100, the vertical angle 121 was separately used whenever recycling of the vertical angle 121 was necessary. There was a problem that the work is cumbersome and takes a considerable amount of time to remove the foreign matter. On the contrary, the present invention is characterized in that the foreign material of the formwork 120 is collectively removed through the above process in the state in which the vertical angle 121 is not dismantled in the first place, so that the vertical angle 121 may be recycled in the future. When no separate work is required, it not only reduces work time and costs, but also improves the recycling rate of the vertical angle 121.

Then, the vertical angle removing step (S30) is a step of removing the vertical angle 121 formed in the formwork 120.

In FIG. 5, the formwork 120 is illustrated with the vertical angle 121 removed.

In order to recycle the formwork 120, it must be cut along the longitudinal direction, because if the vertical angle 121 is installed, it will interfere in the cutting process.

As shown in FIG. 2, since the vertical angle 121 has a limited length, the vertical angle 121 may be recycled from the formwork 100 having a size of 200 × 1200 to a horizontal angle 122.

Next, the fastening hole forming step (S40) is a step of forming fastening holes 124 for coupling wedge pins at predetermined intervals on the upper and lower frames 123a and 123b of the formwork 120.

Fastening hole 124 is already formed in the number of the edge of the formwork 120 is finished. However, in the present invention, since the formwork 120 is cut to fit the required dimensions, the position of the fastening hole 124 of the cut formwork 100 may not meet the standard, so the fastening hole 124 is formed separately for this purpose. The fastening hole forming step (S40) is required. For example, the fastening hole 124 is formed according to a predetermined standard by using the formwork 100 of 600 × 1200 standard as a standard standard, and when it is cut and separated into three formwork 100 of 200 × 1200 standard, The fastening holes 124 formed in the lower frames 123a and 123b do not correspond to the fastening holes 124 of the formwork 100 of other standard standards, so that the fastening holes according to a predetermined standard to prevent such a problem ( 124) forming step.

Fastening hole forming step (S40), it can be made by a hydraulic fastening hole punching device 400 to form a fastening hole 124 by punching from the top to the bottom.

6 is a hydraulic fastening hole drilling apparatus 400 according to an embodiment of the present invention.

As shown in FIG. 6, the fastening hole punching device 400 may be composed of a lower punching stand 410 and an upper punching punch 420 in which a punching hole 411 is formed for punching the fastening hole 124. The perforation groove 411 may be formed to the same size as the fastening hole 124.

At this time, the lower perforation zone 410 is preferably formed to protrude horizontally to a size that can be placed through the upper, lower frames (123a, 123b). In this case, when the fastening hole 124 is formed, the upper frame 123a or the lower frame 123b of the formwork 120 is able to work in a state in which it is laid over the lower perforation table 410, thereby stably fastening the hole. There is an advantage that can be punched (124).

In addition, the lower perforation zone 410 is preferably formed as small as possible so as to be able to perforate the fastening hole 124 even for a narrow gap of 25 cm or less. For example, when the fastening hole 124 is punched into the upper frame 123a having a size of 200 × 1200, if two fastening holes 124 should be formed at both sides of the frame 123 at 150 cm intervals, the upper frame 123a This is because when the fastening hole 124 is to be perforated at a position of 25 cm at both ends of the lower perforator 410, the width of the lower perforator 410 is greater than 25 cm, which causes a problem that the perforation is impossible while the frame 123 is laid over. Accordingly, the lower perforation zone 410 preferably has a width as small as 25 cm or less so as to cut various positions of the frame 123.

Then, in the notching step (S50), the insertion groove 125 for inserting the flat bar is formed in the portion where the fastening hole 124 is formed.

In general, the frame 123 of the formwork 100 is formed with a ridge 126 protruding from the edge surface of the frame 123, as shown in Figure 2c, the portion of the fastening hole 124 is formed The ridge 126 is removed to form the insertion groove 125 into which the flat bar can be inserted. The insertion groove 125 is also formed in the original formwork 100, but in the case of the present invention because the new fastening hole 124 can be formed through the fastening hole forming step (S40) as described above new fastening hole Considering that the insertion groove 125 is not formed in the portion where the 124 is formed, the notching operation of forming the insertion groove 125 in the portion is performed.

Then, in the horizontal angle cutting step (S60), at least one horizontal angle 122 formed in the formwork 120 is cut at the same interval.

In general, three 600 × 1200 formwork 100 are provided with a horizontal angle 122 of a '-' shape. Therefore, when the formwork 120 is to be separated into two or more parts as in the embodiment of the present invention, all three horizontal angles 122 should be cut at the same interval.

7 illustrates an embodiment in which the horizontal angle 122 of the formwork 120 is cut.

In addition, the present invention is characterized in that the cutting by punching so that the thickness (L1) that the horizontal angle 122 is cut as shown in Figure 7 is twice the thickness (d) of the frame 123 shown in Figure 2b. do.

In the prior art, the horizontal angle 122 is simply cut, and in order to make the playback frame 500 by combining the new frame piece 510, the horizontal angle 122 is again adjusted to the dimensions of the playback frame 500. Although the operation of cutting 122, etc. is required, in the case of the present invention, when the horizontal angle 122 is initially cut, the cutting is performed in consideration of the thickness d of the frame 123 to be coupled in the future, thereby simplifying the work. .

Here, the reason why the horizontal angle 122 is cut at an interval L1 of twice the thickness d of the frame 123 is to consider that the frames 123 should be coupled to the horizontal angles 122 on both sides of the cut. will be. According to the present invention, as shown in FIG. 7 through one punching process, the horizontal angle 122 is cut at twice the interval of the thickness of the frame 123, and both horizontal angles 122 are cut separately for combining the frame 123. Since the work of the is unnecessary, the work efficiency can be more than doubled.

In order to form a wedge pin coupling groove 122a in the horizontal angle 122 shown in FIG. 2C simultaneously with the cutting of the horizontal angle 122, a punch is cut with a horizontal angle cutting device 200 provided with a predetermined mold. It is preferable.

To this end, the horizontal angle cutting device 200, the punching groove 211 is formed as shown in Figure 8a, the lower mold 210 and the lower mold 210 protruding in a '' 'of the right angle to the top. It is formed to have a shape corresponding to, and formed to include an upper mold 220 having a punching portion 221 corresponding to the punching groove 211 to penetrate the punching groove 211, the punching groove 211 ) Is a horizontal angle cutting groove 211a formed at twice the thickness d of the frame 123 and the wedge groove 211b for punching the wedge pin coupling groove 122a cross each other in a cross shape. It can be formed in a shape.

The reason why the horizontal angle cutting groove 211a is formed to be twice the thickness d of the frame 123 is d as described above. In order to calculate and secure, forming one end of the horizontal angle cutting groove 211a greater than twice the thickness of the frame 123 of the other end (V) as shown in the embodiment of FIG. 2) is to form a groove 122b to be joined together at the time of punching, as shown in FIG.

Meanwhile, in the present invention, as shown in FIG. 9, the horizontal angle cutting device 200 used in the horizontal angle cutting step S60 is cut by punching the horizontal angle 122 from the top to the bottom as a hydraulic press cutting device. In addition, the tunnel type through part 230 penetrating the front and rear is formed, the lower mold 210, the formwork 120 is to be placed inside the tunnel type through part 230, the tunnel Characterized in that it is formed in a columnar shape having a predetermined height (h) in the lower portion of the through-hole 230.

Unlike the plate-shaped frame 123, in the case of the horizontal angle 122, the mold is bent at a right angle of the '-' shape so that the mold must also be bent at right angles to cut it at once. Therefore, in the present invention, the lower mold 210 of the horizontal angle cutting device 200 is formed to protrude in a 's' shape at right angles.

Accordingly, when the horizontal angle 122 of the 'b' shape is aligned with the upper portion of the lower mold 210 protruding into the 's' shape, the formwork 120 is 35 degrees as shown in FIG. 8c. It is placed on the lower mold 210 in an inclined angle of about 45 degrees. Therefore, it can be stably disposed above the lower mold 210 without a separate fixing means.

In addition, the present invention is to form a tunnel through portion 230 as shown in Figure 9 so that the formwork 120 placed at an angle of about 35 degrees is not disturbed by the back of the horizontal angle cutting device 200, etc. The lower mold 210 is also formed in a columnar shape at a predetermined height h.

The present invention is to press the hydraulic pressure from the top to the bottom in this state to punch the horizontal angle 122, so the punching operation is performed in a very stable posture has the effect of improving the reliability of the punching operation.

On the contrary, in the case of the prior art, the configuration of stably placing the horizontal angle 122 having a '-' shape like the horizontal angle cutting device 200 of the present invention has not been presented. That is, since there was no tunnel-type through-hole as in the present invention, it was difficult to secure a space for mounting the formwork 120 having a length of 1200 cm to the horizontal angle cutting device 200, and the right angle 's' Since the lower mold 210 protruding in the shape of a child cannot be punched from the top to the bottom, and the punching method is performed from the front to the back, there is a problem that the punching force is not sufficiently transmitted. There was also a problem that the reliability was lowered.

On the other hand, in the case of the present invention, the horizontal angle cutting step (S60) is performed before the upper and lower frame cutting step (S70) to be described later. The reason is that the upper and lower frames (123a, 123b) is the outer frame 123 that maintains the form of the formwork 120, so if the first cutting it, the formwork 120 becomes difficult to maintain its shape later horizontal This is because flow is generated in the upper and lower frames 123a and 123b that are cut even when the angle 122 is cut, and thus, the operation may not be stably performed and a problem may be caused to damage the safety of the worker.

Therefore, in order to prevent the problem as described above, the present invention performs horizontal angle cutting step S60 prior to frame cutting step S70 so that the outer shape of the formwork 120 is positioned horizontally in a stable horizontal angle 122. ) Is cut, and then the upper and lower frames 123a and 123b are cut.

As described above, the horizontal angle 122 is cut while being inclined at an inclination of about 35 degrees inside the horizontal angle cutting device 200, whereas the upper and lower frames 123a and 123b are shown in FIG. As described above, the upper and lower frames 123a and 123b may be cut in a stable state because the upper and lower frames 123a and 123b are cut while being cut across the lower support 310 of the frame cutting device 300.

Next, in the upper and lower frame cutting step (S70), by cutting the upper and lower frames (123a, 123b) of the formwork 120 at the same interval as the horizontal angle 122, the formwork (120) Will be separated into two or more.

As described above, since the internal horizontal angle 122 is all cut, only the upper and lower frames 123a and 123b are cut, so that the formwork 120 is separated into two or more parts as shown in FIG. 10.

In addition, in the upper and lower frame cutting step S70, as in the horizontal angle cutting step S60, the thickness L3 at which the upper and lower frames 123a and 123b are cut is twice the thickness d of the frame 123. Cut by punching if possible. This is to ensure the space in which the new frame piece 510 is to be coupled in advance after securing the upper and lower frames 123a and 123b as described above.

The upper and lower frame cutting step S70 may be made by a hydraulic frame cutting device 300 which cuts the upper and lower frames 123a and 123b by punching the upper and lower frames.

The frame cutting device 300 may be presented in various configurations, but as shown in FIG. 11, the frame cutting device 300 protrudes horizontally to settle the frame 123 and the cutting groove 311 of the frame 123. ) Is provided with a lower support 310 and the upper cutting punch 320 formed to correspond to the cutting groove 311 of the frame 123, the cutting groove 311 of the frame 123 is the thickness of the frame 123 ( It is formed at twice the interval of d).

Looking at the frame cutting step (S70) through an embodiment, the upper frame 123a and the lower frame 123b are divided for convenience of description, any of which may be cut first. In the state where the upper frame 123a is properly disposed on the upper surface of the lower supporter 310, the hydraulic frame cutting device 300 is operated to press-punch the cutting punch from the upper portion to the lower portion to penetrate the cutting groove 311 of the frame 123. The upper frame 123a is cut. Then, by changing the positions of the upper frame 123a and the lower frame 123b, the lower frame 123b is disposed on the upper surface of the lower support 310 to be punched from the top to the bottom to be cut. When cut to the lower frame 123b, the formwork 120 is completely separated into two.

On the other hand, since the stepped portion 127 shown in FIG. 2C may be formed on one surface of the frame piece 510, the shape of the cutting punch and the cutting groove 311 of the frame 123 may be appropriately adjusted so that the frame piece may be formed in the future. In preparation for the 510 to be coupled, as shown in FIG. 2C, grooves to which the stepped portions 127 protruding from the coupling surface of the frame are coupled may be formed together when the frame 123 is punched.

Then, in the reproduction frame forming step (S80), as shown in FIG. 12, the frame pieces 510 are respectively coupled to each cut surface of the separated two or more formwork frames 120 to form two or more reproduction frames 500. do.

The frame piece 510 is separately prepared, and at this time, a newly manufactured frame piece 510 may be used, or the frame piece 510 may be formed into a frame piece 510 by processing and recycling the used formwork frame 100. .

A stepped portion may be formed on a coupling surface of the frame piece 510, and the stepped portion illustrated in FIG. 2C may be formed at each cut surface of the formwork 120, that is, a cut surface of the horizontal angle 122 and a cut surface of the upper and lower frames 123. When the groove 127 is not formed, the frame piece 510 is coupled after the groove is formed separately.

Coupling of the cutting surface of the formwork 120 and the frame piece 510 is generally a welding method, but is not necessarily limited to this method.

When the step of coupling the frame piece 510 to each separated formwork 120 is completed, it is formed as a separate playback frame 500.

Thereafter, each of the reproduction frames 500 may be subjected to a paint operation step S90 of painting and drying the paint. As a method of painting the reproduction frame 500, a method of spraying paint from both sides of the reproduction frame 500 using a paint spraying device may be considered. It is also possible to paint by rotating a roller with paint, and also to dip the regeneration frame 500 in a bucket filled with paint and take it out to dry.

Finally, in the plate joining step (S100), the recycled formwork 100 is completed by cutting and joining the plate member 110 to fit the size of each play frame 500.

Coupling the plate member 110 to the reproduction frame 500 is generally by a riveting method. If there are no rivets at some corners of the playback frame 500, it may be installed first, and then the plate 110 may be fixed by pins or the like.

FIG. 13 shows another embodiment of the present invention, illustrating the formation of three recycled formwork 100 using one used formwork 100.

In this case too, the general workflow is the same as described above, but at some stage it will be characterized. First, the plate separating step (S10), the short work step (S20) and the vertical angle removal step (S30) is the same.

However, as the fastening hole forming step (S40) is three formwork 120 is separated from the fastening hole 124 is required position changes.

Therefore, when the formwork 120 is separated into three after the upper and lower frame cutting step (S70), the fastening hole 124 is formed by calculating a position required for each formwork form 120 separated in advance. Should be.

Then, in the horizontal angle cutting step (S60) and the upper and lower frame cutting step (S70), by cutting the horizontal angle 122 and the upper and lower frames (123a, 123b) twice each of the formwork Separate 120 into three parts.

In the reproducing frame forming step (S80), the frame pieces 510 are coupled to each of the separated three dies 120 to form three reproducing frames 500, and then each reproducing frame 500. When the paint work step (S90) and the plate joining step (S10) is passed through, three recycled formwork 100 is completed.

In the present invention, by adjusting the number of cutting of the horizontal angle 122 and the upper and lower frames 123a and 123b, one formwork 100 can be recycled to form three or more formwork.

In the case of the prior art, due to the limitation of the cutting device, etc., only one or two formwork 100 can be recycled by using one formwork 100, whereas in the case of the present invention, the horizontal angle cutting device 200 described above. By using the frame cutting device 300, the fastening hole drilling device 400, and the like, the formwork 100 may be recycled to produce three or more formwork 100, thereby improving the recycling rate.

As described above, the formwork recycling method according to the present invention can be recycled as much as possible without dismantling all parts of the formwork 100 unlike the prior art, and has the effect of safely and reliably recycling and reproducing the formwork.

100: die 110: plate
120: formwork 121: vertical angle
122: horizontal angle 123: frame
123a: upper frame 123b: lower frame
124: fastener 125: insertion groove
200: horizontal angle cutting device 210: lower mold
220: upper mold 230: tunnel type through part
300: frame cutting device 310: lower support
320: upper cutting punch 400: fastening hole punching device
410: lower perforation 420: upper perforated punch
500: playback frame 510: frame piece

Claims

Plate separating step of separating the plate is coupled to one side of the formwork;
A shot working step of removing foreign matters from the formwork in which the sheet material is separated (hereinafter referred to as 'formwork frame');
A vertical angle removing step of removing the vertical angle formed in the formwork;
A fastening hole forming step of forming fastening holes for coupling wedge pins at upper and lower frames of the formwork at predetermined intervals;
A notching step of forming an insertion groove for inserting a flat bar into a portion where the fastening hole is formed;
A horizontal angle cutting step of cutting one or more horizontal angles formed in the formwork at equal intervals;
An upper and lower frame cutting step of cutting the upper and lower frames of the formwork at the same interval as the horizontal angle to separate the formwork into two or more;
A reproduction frame forming step of coupling frame pieces to respective cut surfaces of the separated two or more formwork frames to form two or more reproduction frames; And
And a plate joining step of cutting and joining the plate to fit the size of each of the reproduction frames.
The horizontal angle cutting step and the upper, lower frame cutting step,
Punching and cutting so that the thickness of the horizontal angle and the upper and lower frames are cut to be twice the thickness of the frame,
The horizontal angle cutting step, the formwork recycling method characterized in that the punching and cutting with a horizontal angle cutting device equipped with a predetermined mold in order to form a wedge pin coupling groove in the horizontal angle at the same time as the horizontal angle cutting.

The method of claim 1,
Between the upper and lower frame cutting step and the plate bonding step,
And a paint work step of painting and drying the respective reproduction frames.

The method of claim 1,
The fastening hole forming step,
When the formwork is separated into three after the upper, lower frame cutting step, characterized in that to form the fastening hole by calculating the position required for each separated formwork,
In the horizontal angle cutting step and the upper and lower frame cutting step,
The mold is divided into three parts by cutting the horizontal angle and the upper and lower frames twice, respectively.
The reproduction frame forming step,
The formwork recycling method of claim 3, wherein the formwork is formed into three reproduction frames by joining frame pieces to each of the three separate formwork frames.

The method of claim 1,
The horizontal angle cutting device,
As a hydraulic press cutting device, the horizontal angle is cut by punching from top to bottom,
A lower mold having a punching groove formed therein and protruding at a right angle to the uppermost 'ㅅ'shape; and
And an upper mold formed in a shape corresponding to the lower mold and having a punching portion corresponding to the punching groove so as to pass through the punching groove.
The punching groove is a form recycling method, characterized in that the horizontal angle cutting groove formed twice the frame thickness and the wedge groove for punching the wedge pin coupling groove crosses in a cross shape.

The method of claim 4, wherein
The horizontal angle cutting device is formed with a tunnel-type through portion penetrating the front and rear,
The lower mold, the form recycling method, characterized in that formed in a columnar shape having a predetermined height in the lower portion of the tunnel-type through portion so that the formwork can be placed into the tunnel-type through portion.

The method of claim 1,
The upper and lower frame cutting step,
It is made by a hydraulic frame cutting device for cutting by punching the upper and lower frames from the top to the bottom,
The frame cutting device,
A lower support projecting horizontally so that the formwork frame is settled and a frame cutting groove formed therein; and
And an upper cutting punch formed to correspond to the frame cutting groove.
The frame cutting groove is a form recycling method characterized in that formed at twice the interval of the frame thickness.

The method of claim 6,
The size of the lower support,
The formwork recycling method characterized in that the formwork is formed to be smaller than the interval between the horizontal angle and the frame, so that the formwork can be placed through the lower support.

The method of claim 1,
The fastening hole forming step,
It is made by a hydraulic fastening hole punching device to form a fastening hole by punching from the top to the bottom,
The fastener other factory value,
A lower perforation stand protruding horizontally to a size that the upper and lower frames can be penetrated and formed with a perforation groove for perforating the fastening hole; and
And an upper perforation punch formed to correspond to the perforated groove.
The perforated groove, formwork recycling method characterized in that formed in the same size as the fastening hole.