KR101221679B1 - Press mold device having eccentricity prevention pin and space sustenance unit of manufacture method - Google Patents

Abstract

PURPOSE: A press mold device with an eccentric prevention pin and a mold spacer manufactured by the same are provided to prevent the breakage of the mold spacer even under the load applied when placing concrete. CONSTITUTION: A press mold device comprises an upper mold(10) and a lower mold. The upper mold comprise placing grooves(130) and a plurality of eccentric prevention pins(120). The placing grooves are correspondently formed to a base body, and recessed inward. A plurality of punches(100) is in contact with the placing grooves. The eccentric prevention pins are in contact with both sides of the placing grooves. An insertion hole is formed on one surface of the lower mold facing the upper mold. The insertion hole is recessed inward, and the eccentric prevention pin is inserted into the insertion hole.

Description

Press mold device having eccentricity prevention pin and form gap holding device manufactured by this method {Press mold device having eccentricity prevention pin and space sustenance unit of manufacture method}

The present invention relates to a press mold apparatus for manufacturing a mold spacing and a die spacing produced by the same, and more particularly to prevent the eccentricity during shearing while forming a thin body thickness of the formwork spacing. It is configured to form a fastening hole in the center of the body to precisely relates to a press mold apparatus provided with an eccentric prevention pin to prevent the breaking phenomenon due to the tensile force and the die gap retainer produced through this.

In general, in order to build a concrete structure during construction or civil engineering works to install the formwork according to the shape of the structure, such formwork is installed by connecting a plurality of formwork panels and panels corresponding to each other.

Formwork constituting the conventional formwork is to arrange the panel and the panel to be adjacent to each other and then assembling the formwork panel to form a plane as a means of connecting and fixing the connection frame to each other and connect the gap retaining grooves in the connection groove between the connection frame Tie pins are fitted to maintain the corresponding die panel spacing.

In addition, by fastening the formwork panel and the panel to each other vertically and horizontally using a tool such as a connecting pin to prevent the separation of the formwork panel and the panel and to maintain a firm.

In this way, the formwork gap retaining zone that connects the formwork panel and panel to maintain the panel gap and firmly support the panel, the portion where the fastening pins of the formwork gap retainer is fastened by the load strength received during the concrete pouring As the durability is reduced and the cut or angled perforated surface cuts the wedge pin, and the like, the entire body of the die gap retainer is formed to thicken the surroundings of the fastening hole.

However, as the thickness of the entire formwork gap is thickened to reinforce the periphery of the fastening hole, the price of the raw material cannot be increased, which causes the price increase for the formwork spacet tie bolts as a whole. As such, when the price of raw materials rises and the shortage of raw materials occurs, the price of the raw materials forming the formwork gap increases further, which inevitably increases the cost of manufacturing the formwork gap. Accordingly, in the construction site that does not have the form-gap maintenance tie bolts, it is a reality that the entire construction work is suspended.

Conventional formwork gap retaining device devised in order to solve the above problems is to form a thin thickness of the body, to form a wider width of the fastening hole by further forming a reinforcing piece extending inwardly of the fastening hole through the body of the formwork spacing By doing so, it is possible to solve problems such as breaking and tightening of the fastener, and preventing the fastener and the fastening hole from being rotated, thereby improving the assembling work as well as the dismantling workability. In addition, as the reinforcing pieces were formed, it was possible to improve the corresponding force corresponding to the concrete load strength.

In order to manufacture such a conventional formwork gap holding area, a press mold apparatus is usually used. In general, the press mold apparatus is provided with a mold and a plurality of punches in the upper mold to form the form spacing retainer, and the lower mold is punched by pressing the upper mold using hydraulic force by seating the mother plate of the plate and finally forming the gap between the molds. The holding tool is manufactured.

At this time, the fastening hole formed in the formwork spacing is also formed by a punching operation, the eccentricity is applied to one side or the other direction during the pressing of the upper mold to form the position of the fastening hole is also fine on one side and the other side on the formwork spacing Will be turned off.

If the fastening hole is not formed in the center on the formwork spacing accurately, it is a factor of lowering the tensile force of the fastening hole to which the fastener is inserted and fastened, and for this reason, the fastening hole is lowered by the load strength received during concrete placement. There is a problem that a break occurs due to.

Accordingly, the present invention has been made to solve the above-described problems, while forming a thin body thickness of the formwork gap retaining hole to accurately form a fastening hole in the center of the body to prevent the eccentricity of the breakage caused by the tension force It is an object of the present invention to provide a press mold apparatus provided with a pin and a die gap holding strip manufactured therefrom.

In addition, the press mold apparatus equipped with an eccentricity prevention pin that can improve the operation rate of the equipment by disassembling the mold due to abrasion and damage of the mold punch and thus replacing and reassembling the mold, and the die gap holding device manufactured therefrom There is another purpose in providing.

Press mold apparatus provided with an eccentric prevention pin according to the problem to be solved of the present invention is formed between the formwork panel and the other panel adjacent to the formwork spacing holding hole formed with a fastening hole to maintain and support the spacing of both panels In a press mold apparatus including an upper mold and a lower mold for manufacturing by shearing, one surface of the upper mold is recessed inwardly formed with recesses corresponding to the width and thickness of the mother to be processed and a plurality of punches for shearing Is coupled to contact with the seating groove, is formed to protrude in a cylindrical shape is coupled to a plurality of eccentric prevention pins are disposed to contact both sides of the seating groove, each of the lower mold facing the upper mold It is recessed inward so that each eccentric pin which is moved downward in the position opposite to the eccentric pin can be inserted. It is characterized in that the insertion holes are formed respectively.

At this time, the eccentric prevention pin is formed so that the end has a conical shape is configured to be stably inserted into the insertion hole.

According to a preferred embodiment of the present invention, the seating groove is characterized by consisting of a two-row structure arranged side by side at a predetermined interval on the upper mold one surface.

On the other hand, the formwork spacing member according to the present invention is disposed between the formwork panel and the other panel adjacent thereto in the formwork spacing region in which the fastening hole is formed to maintain and support the spacing of both panels, the above-mentioned eccentric prevention pin is It is characterized by being manufactured through a press mold apparatus provided.

Press mold apparatus provided with an eccentric prevention pin according to the present invention is provided with an eccentric prevention pin in contact with the both sides of the mother to the upper mold to fix both sides of the mother during shearing process to prevent the mother from deflecting and punching in the correct position The fastening hole can be formed. Therefore, the fastening hole formed through the shearing process of the press die device is exactly formed in the center of the body, and accordingly, the form gap retaining zone can prevent the breakage phenomenon due to the decrease in tensile force even under the load strength applied during concrete placing. There is this.

As a result, the die gap holding strip manufactured by the press mold apparatus provided with the eccentric prevention pin according to the present invention has the advantage of being able to reduce the production cost for manufacturing the die gap maintaining the thinner thickness while having sufficient tensile force. .

In addition, according to a preferred embodiment of the present invention, the mounting groove of the upper mold for processing the mother is configured in a two-row structure. Therefore, if the wear and damage of the mold punch occurs during the use of one row, the two rows of seating grooves are used without disassembling the mold and replacing and reassembling the parts, thereby enabling the rapid operation of the mold facility. The punch replacement time can be shortened, and the service life can be extended and the facility utilization rate can be improved.

1A is a view showing the formwork spacing zone.
Figure 1b is a view for explaining the operating state of the mold spacing.
Figure 2 is a perspective view showing a press die apparatus according to the present invention.
Figure 3 is a perspective view showing a lower mold of the press die apparatus according to the present invention.
Figure 4a is a perspective view showing an upper mold of the press die apparatus according to the present invention.
Figure 4b is a plan view showing an upper mold of the press die apparatus according to the present invention.

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

Figure 1a is a view showing the formwork gap holding space, Figure 1b is a view for explaining the operating state of the formwork space holding sphere. On the other hand, Figure 2 is a perspective view showing a press mold apparatus according to the present invention, Figure 3 is a perspective view showing a lower mold of the press mold apparatus according to the present invention. 4A is a perspective view showing the upper mold of the press mold apparatus according to the present invention, and FIG. 4B is a plan view showing the upper mold of the press mold apparatus according to the present invention.

The present invention is disposed between the die panel 60 and the other panel (not shown) adjacent to the press mold for manufacturing a die gap holding hole formed with a fastening hole 500 to maintain and support the gap between the two panels The apparatus relates to an upper mold of the press mold apparatus to fix the both sides of the body 50 of the formwork spacing during shearing of the press mold apparatus so that the fastening hole 500 can be accurately formed in the center on the body 50. 10, a plurality of anti-eccentric pin 120 is coupled.

Forming spacing 50 is manufactured through such a press mold device is to form a thin thickness of the body is to be able to prevent the fastening hole 500 of the form spacing holding due to the tensile force.

Forming the gap holding 50 to be produced by the press mold apparatus of the present invention is as shown in Figure 1a to 1b.

Specifically, the body 50 of the formwork spacing 50 of Figure 1a is a thin steel plate material through the fastening holes 500 on both sides, in this case, the fastening hole 500 inside the fastening A reinforcing piece 510 extending inwardly of the ball 500 is formed. The formwork gap retaining zone is connected between the formwork panel 60 and the panel through a connecting pin 70 and the like to maintain the gap at the same time to support both panels.

 At this time, the fastening hole 500 and the reinforcing piece 510 extending inwardly of the fastening hole 500 through the body 50 of the mold spacing retaining body so as to be able to oppose the load strength according to the concrete casting to the maximum ( 50) should be formed exactly in the center, thereby preventing the breakage caused by the lowering of the tensile force.

That is, the fastening hole 500 of the mold spacing should be formed to have the same separation distance from both sides of the body (10).

For example, if the fastening hole 500 is formed to be deflected on any one side, a uniform counter force against a force acting on the load strength cannot be obtained, and a tensile force decreases from the deflection side.

To this end, the press mold apparatus according to the present invention is provided with fixing means capable of fixing both sides of the mother body 1 seated on the lower mold 20 in shearing the mother body 1 for forming the formwork spacing. Therefore, it is comprised so that eccentricity may not work at the time of punching. Thus, by shearing the mother body 1 so that the eccentricity does not work, that is to form the body 50 of the mold spacing retainer.

2 to 4b, the press mold apparatus is provided with a buffer means 30 which provides a buffering role in the compression between the upper mold 10 and the lower mold 20, the upper mold 10 is Guide means 40 may be provided to be stably moved to the lower mold 20.

Looking at the press mold apparatus according to the present invention with reference to Figures 3 to 4b, first, the lower mold 20 is a flat surface opposite to the upper mold 10 as a pair with the upper mold 10 and On the one side, the base 1 for forming the body 50 of the formwork spacing is introduced and seated.

At this time, one surface of the lower mold 20 is formed with a plurality of guide pins 210 for stably inducing and seating the mother body 1, preferably, the mother body flowing into one surface of the lower mold 20 ( Both sides of 1) are disposed adjacent to each other and protruded to face the upper mold 10.

The guide pin 210 is inserted into the guide hole 110 when the upper mold 10 is pressed in correspondence with the guide hole 110 of the upper mold 10 to be described later.

In addition, as shown in FIG. 3, a plurality of punch holes 200 are recessed or penetrated through one surface of the lower mold 20. The punch hole 200 punches or trims the mother body 1 to the upper mold 10 which is downwardly moved by hydraulic force or the like, so that the body 50 of the formwork spacing is formed. A plurality of punches 100 are coupled to each other, and the plurality of punches 100 are formed to correspond to the shape and position of each punch 100 so that the plurality of punches 100 may be drawn in.

The upper mold 10 of FIG. 4A is disposed to have a predetermined distance from the lower mold 20, and is moved downward to be adjacent to one surface of the lower mold 20 through hydraulic pressure, and the lower mold 20. Shear processing is performed on the matrix 1 seated on one surface of the backplane. In this case, as mentioned above, the press mold apparatus may be provided with a buffer means or a guide means between the upper mold 10 and the lower mold 20.

On one surface of the upper mold 10 facing the lower mold 20, a seating groove 130 corresponding to the width and thickness of the parent body 1 is formed along its longitudinal direction. The seating groove 130 is a frame forming the body 50 of the formwork spacing, the mold spacing body in the upper mold (10) is pressed and sheared to the mother body (1) seated on the lower mold (20) It is comprised so that the shape of 50 may be achieved.

Specifically, the seating groove 130 is recessed inwardly from one surface of the upper mold 10 so as to correspond to the width and thickness of the parent body 1, as shown in Figure 4b of the seating groove 130 A plurality of punches 100 for trimming are coupled to the circumference of the body 50, and the fastening holes 500 to the reinforcing pieces 510 of the formwork spacing are provided at the front of the seating groove 130. A plurality of punches 100 for punching are combined to be formed.

The plurality of punches 100 are preferably embedded in the upper mold 10 and embedded therein, and protrude outward from the upper mold 10 at the time when the plurality of punches 100 are compressed with the lower mold 20. It is composed of a structure having fluidity so that it can be sheared.

Here, according to a preferred embodiment of the present invention, the seating groove 130 may be configured in a two-row structure arranged side by side at a predetermined interval on the upper mold 10 as shown in Figure 4a and 4b.

As the seating groove 130 is configured as a pair of two-row structure, the guide pin 210 of the lower mold may be configured in two rows so that the mother can be seated in each seating groove 130. In addition, the plurality of punches 100 in contact with each of the seating grooves 130 is also configured as a pair, and the punch hole 200 of the lower mold 20 opposite thereto is also configured to correspond to each punch 100. Of course.

The upper mold 10 having such a two-row structure can be used only as a seating groove 130 of the first row during the actual manufacturing of the formwork spacing zone, the mold when the wear and breakage of the mold punch 100 during use of the first row It is possible to quickly operate the mold facility by using the mounting groove 130 of the two rows without disassembling and replacing and reassembling the corresponding parts. Therefore, it is possible to shorten the replacement time of the punches 100 of the mold and to extend the operating life and improve the equipment operation rate.

On the other hand, the upper mold 10 is coupled to a plurality of eccentric prevention pins 120 to prevent the eccentricity in the shearing of the matrix (1) seated on the lower mold 20.

The eccentric prevention pin 120 is to prevent the punch 100 is deflected and punched by fixing the both sides of the parent (1) during the upper mold 10 is pressed with the lower mold (20). The eccentric prevention pin 120 is projected in a cylindrical shape on one surface of the upper mold (1) facing the lower mold 20, as shown in Figure 4a, the outer peripheral surface of each of the seating groove 130 It is arranged to be in contact with the inner surface. As a result, the outer circumferential surface of each eccentric prevention pin 120 is coupled to contact both sides of the parent (1). Accordingly, by fixing both sides of the mother body 1 to be introduced into each of the seating grooves 130 during the shearing of the press die device, the mother body 1 is not deflected and the fastening hole 500 by the punching process at the correct position. This can be formed.

The fastening hole 500 formed through the shearing process of the press mold apparatus having such a configuration and structure is precisely formed in the center of the body 10, and prevents the breakage phenomenon due to the lowering of tensile force even in the load strength applied during concrete placement. You can do it.

As such, the die gap holding strip manufactured by the press mold apparatus according to the present invention is characterized in that it is possible to reduce the production cost for manufacturing the die gap maintenance because it has a sufficient tensile force while thinning the thickness.

Although the above-described eccentric pin 120 is formed on one side of each seating groove 130 in pairs in FIGS. 4A to 4B, the present invention is not limited thereto, and both sides of one side and the other side of the mother body 1 are not limited thereto. Naturally, it can be formed on one side and the other side of each of the seating grooves 130 as two pairs to fix all of them.

In addition, in the lower mold 20, insertion holes 220 are formed at positions opposite to the eccentric prevention pins 120 on one surface thereof so that the eccentric prevention pins 120 of the upper mold 10 can be inserted. The eccentric prevention pin 120 is configured such that the end thereof has a conical shape so that it can be stably inserted into the insertion hole 220.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

1: Matrix
10: upper mold 20: lower mold
30: buffer means 40: guide means
50: body 60: formwork panel
100: punch 110: guide hole
120: eccentric prevention pin 130: seating groove
200: punch hole 210: guide pin
220: insertion hole

Claims (4)

In the press mold apparatus including an upper mold and a lower mold for manufacturing a mold spacing retaining hole arranged between the formwork panel and other panels adjacent thereto and formed with fastening holes to maintain and support the spacing of both panels by a shearing process,
On one surface of the upper mold recessed grooves corresponding to the width and thickness of the mother to be processed are recessed inwardly, a plurality of punches for shear processing are coupled to contact the mounting grooves, protruded into a cylindrical shape, the mounting grooves A plurality of anti-eccentric pin is disposed to contact both sides of the combined,
An eccentric prevention portion is formed on one surface of the lower mold facing the upper mold, each of the insertion hole is recessed inward so that each of the eccentric prevention pin to be moved downward in the position facing the eccentric prevention pin can be inserted Press mold device provided with a pin.
The method of claim 1,
The eccentric prevention pin is a press die device provided with an eccentric prevention pin, characterized in that the end is formed to have a conical shape.
The method of claim 1,
The seating groove is a press mold apparatus having an eccentric prevention pin, characterized in that consisting of a two-row structure arranged side by side at a predetermined interval on the upper mold one surface.
In the formwork spacing zone is provided between the formwork panel and the other panel adjacent to the formwork, the fastening hole is formed to maintain and support the spacing of both panels,
The formwork spacing is characterized in that the formwork spacing is produced by the press mold apparatus of any one of claims 1 to 3.

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