KR100846423B1 - An apparatus for casting billet - Google Patents

Abstract

The present invention relates to a billet casting apparatus, comprising: a melting furnace for dissolving and mixing a metal material and discharging the metal material, casting the molten metal discharged from the melting furnace into a billet, and installing the casting machine and the melting furnace at a height at which the casting machine is installed. And lifting means for raising to the corresponding position.

 According to the present invention as described above, there is an effect that is easy to install by a small installation without being limited by the installation space.

Billet, Casting, Hall, Melting Furnace, Floor, Elevation

Description

Billet casting device {AN APPARATUS FOR CASTING BILLET}

1 is a perspective view showing an installation example of a conventional billet casting apparatus casting machine.

Figure 2 is a front perspective view showing a billet casting apparatus according to an embodiment of the present invention.

Figure 3 is a perspective view showing a part of the configuration of the billet casting apparatus according to another embodiment of the present invention.

4 is a perspective view showing another embodiment of the melting furnace of FIG.

<Description of the symbols for the main parts of the drawings>

1: melting furnace

    11 opening part

    12: Tangdo

    13: filter box

         131: filter

    14: Door

    15: ventilator

2: lifting means

    21: guide

    22: upper frame

    23: X-type link

    24: lower frame

    25: drive cylinder

3: casting machine

     31: top plate

          311: Pictograph Mold

     32: bottom plate

          321: lower mold

4: splitter

    41: distribution port

5: degassing machine

    51: vertical frame

    52: hinge

    53: bracket

    54: roller

    55: lifting cylinder

    56: rotation axis

    57: rotor

    57a: discharge hole

    58: cover

The present invention relates to a billet casting apparatus, and more particularly, it is possible to raise and lower the melting furnace and discharge the molten metal after the raising, and the casting machine is installed at a predetermined height from the ground to cast even in a space where no separate hole is formed. It is related with the billet casting apparatus which makes it possible to perform a process and is not restricted by the installation space.

The continuous casting process is a manufacturing process in which molten metal is continuously injected into a casting machine and solidified by cooling, thereby making it relatively long into a billet, which is a material for plastic processing. And, because the continuous process is high yield, there is an advantage that can reduce the cost of the material due to the process shortening by forging or impact (cast) directly to the cast product.

In particular, in the case of aluminum, the melting point (658 ℃) is suitable for continuous casting, and when using the continuous casting method, the solidification rate is fast because the crystallization is fine, it is possible to create a structure without recrystallization or grain growth.

Brief description of the general casting process is as follows.

First, a metal material or a metal material and an alloy material as a base material are put into a melting furnace and melted, and this is heated by inducing electromagnetic using an electromagnetic stirrer to impart a certain fluctuation to the melting furnace.

Subsequently, while injecting a molten metal material (hereinafter referred to as "dissolved metal") into the casting machine, the lower plate of the casting machine on which the lower mold is formed is cooled while lowering into a hole deeply dug into the bottom of the ground to cool the rod-shaped billet ( After molding into billet, it is transferred to the charging roller through the conveyer.

The billet thus transferred is unevenly formed due to the temperature difference, so the billet of the rod-shaped billet is transferred to the homogenizer through the charging roller, and the billet is heated to a predetermined temperature in the homogeneous furnace for a predetermined time. Homogenization is performed to homogenize the particles.

Then, the homogenized billet is transferred to the inside of the cooling furnace by using a charging roller, followed by a cooling process, and then to the cut portion, and cut through the cutting device as necessary.

1 is a perspective view showing an installation example of a conventional aluminum casting apparatus casting machine.

Referring to the drawings, the conventional casting machine 100 is the upper plate 120 is formed with a plurality of upper mold 110, the molten metal is injected, and is located below the upper plate 120 to correspond to the upper mold 110 The lower mold 130 for the mold is formed in position, and comprises a lower plate 140 installed to be elevated.

And, the casting machine 100 is installed in the upper portion of the hole (hole: 150) dug a certain depth from the ground so that the lower plate 140 is elevated in the hole 150.

Accordingly, by simultaneously proceeding the process of dispensing the molten metal through the upper mold 110 of the upper plate 120, the supply of cooling water and the step of gradually lowering the lower plate 140 into the hole (150). While the injected molten metal material is cooled and solidified, it is pulled out to prepare a billet.

However, in the conventional billet casting apparatus, in order to cast a billet, a casting machine is installed at an upper part of a hole deeply drilled in a predetermined depth, and the lower plate is gradually lowered to draw a billet for a long time. Only the casting process can be carried out.

In other words, in the place where the hole is not dug, not only the installation space can be limited because the casting process cannot be performed by installing a casting machine, and the conventional casting apparatus is not easy to install because it requires a large facility. There is this.

An object of the present invention for solving the problems according to the prior art is to install the melting furnace by elevating means, and installed at a predetermined height from the ground so that the molten solution discharged from the elevated melting furnace can be supplied In the casting process, the melting furnace is raised to inject molten metal into the casting machine, and then the lower plate of the casting machine is lowered to cast the billet, so that the casting process can be performed even in a space where no separate hole is formed, so that installation space is not restricted. In addition, the present invention provides a billet casting apparatus for easily installing a casting machine and a melting furnace.

The billet casting apparatus of the present invention for solving the above technical problem is a melting furnace for dissolving and mixing the metal material, the casting machine and the melting furnace is installed at a certain height from the ground by casting the molten metal discharged from the melting furnace into billets And lifting means for raising to a position corresponding to the height at which the casting machine is installed.

Here, it is preferable that a filter box provided with a filter is further provided at the point where the dissolved metal is discharged from the melting furnace to remove impurities of the dissolved metal discharged into the melting furnace.

The elevating means may include a guide for guiding the elevating of the melting furnace, an upper frame for supporting the melting furnace at the lower portion of the melting furnace, an X-type link installed at a lower portion of the upper frame and hinged to an intersection, and the X-type. A lower frame for supporting the link, and a drive cylinder for adjusting the distance of the X-shaped link.

The casting machine may further include: a top plate having a plurality of upper molds into which molten metal discharged from the melting furnace is introduced; And a lower plate formed at a lower portion of the upper plate and formed at a position corresponding to the upper mold, and installed to be elevated. The upper side of the casting machine includes a plurality of molten metals discharged from the melting furnace. A dispenser for dispensing into the upper mold is further provided.

In addition, the degassing device is a vertical frame which is installed on the side of the melting furnace, the bracket is hinged to the vertical frame to be elevated and rotated along the vertical frame, elevating cylinder for elevating the bracket, the lower side of one side of the bracket It is configured to include a rotating shaft is installed at the end of the rotating shaft and the rotation shaft is installed when the rotating shaft is rotated.

The invention will become more apparent through the preferred embodiments described below with reference to the accompanying drawings. Hereinafter will be described in detail to enable those skilled in the art to easily understand and reproduce through embodiments of the present invention.

2 is a front perspective view of a billet casting apparatus according to an embodiment of the present invention, which includes a melting furnace 1, a lifting means 2, and a casting machine 3, and includes a melting furnace and a casting machine in a small size. .

The melting furnace 1 dissolves and mixes and discharges a metal material using heat energy added through a heating body such as a gas burner, and is configured to be raised or lowered by driving of the elevating means 2, and the metal material is injected into the front side. The door 14 is formed, the upper surface is formed with an opening 11 for degassing gas (5) and a vent hole 15 for venting with the outside, the molten metal is discharged to one side A runway 12 is formed.

The lifting means 2 is a device capable of raising or lowering the melting furnace 1, a guide 21 for guiding the lifting of the melting furnace 1, an upper frame 22 supporting the melting furnace 1, and an upper frame ( 22, an "X" type link 23 installed at the lower part of the lower part and hinged to the intersection, a lower frame 24 supporting the "X" type link 23 at the bottom of the "X" type link 23, and It consists of a drive cylinder 25 for adjusting the spacing of the "X" link 23.

Accordingly, when the driving cylinder 25 is driven to increase the distance of the X ″ -type link 23, the melting furnace 1 seated on the upper frame 22 rises along the guide 21, and the driving cylinder 25 The furnace 1 is lowered along the guide 21 when the gap between the "X" links is narrowed by driving the furnace. The melting furnace is adjusted according to the spacing of the "X-type" links according to the drive of the driving cylinder 25. (1) is going up or down.

On the other hand, the casting machine 3 casts the molten metal melt | dissolved in the melting furnace 1 with the billet, and is installed in a fixed height from the ground at a fixed distance from the melting furnace 1.

The casting machine 3 is located at the bottom of the upper plate 31 and the upper plate 31 in which a plurality of upper molds 311 into which the molten metal discharged from the melting furnace 1 is introduced are formed, and at a position corresponding to the upper molds 311. It consists of a lower plate 32, the lower mold 2232 is formed.

In addition, the lower plate 32 is installed to be raised or lowered through a separate lifting means (not shown), and when molten metal is introduced through the upper mold 311, the molten metal is gradually cast while casting into a billet while gradually solidifying the molten metal. do.

3 is a perspective view showing a part of the configuration of the billet casting apparatus according to another embodiment of the present invention, the description of the configuration of an embodiment of the present invention shown in FIG. 2 will be omitted and the accompanying drawings to refer to FIG. do.

According to another embodiment of the present invention, the melting furnace 1 further comprises a filter box 13 provided with a filter 131 made of a ceramic material to remove impurities present in the molten metal at the end of the water supply 12. Equipped.

According to another embodiment of the present invention, a distributor 4 may be further provided on the upper side of the casting machine 3 to distribute the molten metal discharged from the melting furnace 1 to the plurality of upper molds 311.

Dispensers 4 are formed in each of the distribution port 41 in the position corresponding to the upper mold 311, and quantitatively distributes the molten metal discharged from the melting furnace 1 to the upper mold (311).

And, one side of the casting machine 3 may be further provided with a cooling device for supplying a cooling gas or cooling water into the casting machine 3 to shorten the solidification rate of the molten metal, which is already known, so specific The drawings and the description of the operation will be omitted.

4 is a perspective view showing another embodiment of the melting furnace of FIG. 2, wherein one side of the melting furnace 1 is further provided with a degassing device 5 for discharging harmful gas generated in the melting furnace 1.

The degassers 5 are coupled to the vertical frame 51 installed on the side of the melting furnace 1 through a hinge 52 to the vertical frame 51 to be lifted and rotated along the vertical frame 51. A bracket 53, a roller 54 provided at the lower end of the bracket 53 so that the bracket 53 is guided along the vertical frame 51, a lifting cylinder 55 for elevating the bracket 53, and a bracket The melting shaft 1 is installed so as to surround the rotating shaft 56 and the rotor 57 formed integrally with the end of the rotating shaft 56 and the upper end of the rotating shaft 56 which are installed at the lower end of one side of the 53. It is configured to include a cover 58 coupled to the opening 11 of.

The rotary shaft 56 is formed in the hollow to inject external argon gas into the melting furnace 1, and a plurality of discharge holes 57a are formed in the rotor 57 to discharge argon gas supplied from the outside. do. In the case of the aluminum billet, when argon gas is injected into the aluminum solution, hydrogen gas is discharged to the upper side in combination with argon and discharged to the outside through the vent hole 15.

On the other hand, the present invention, although not shown in the drawings, the operation means to input the operator's operation signal, and the operation signal of the operation means to sense the operation signal of the lower plate 32 driving means (not shown) and the "X" type link The control unit may further include a control unit including a driving cylinder 25 and a central processing unit for outputting a driving control signal of the lifting cylinder 55. A control method using the control unit is obvious to those skilled in the art. The description is omitted.

As described above, the aluminum casting apparatus of the present invention is installed so that the melting furnace can be elevated, and the casting machine is installed at a predetermined height from the ground, for example, about 3 m from the ground, and a space in which a separate hole dug into the ground is not formed. In addition to the casting process can be carried out, the casting machine and the melting furnace is equipped with a compact to enable the mobile installation.

In other words, in the related art, a casting machine is installed in an upper portion of a hole dug a certain depth from the ground, and the molten metal is solidified while casting the billet while lowering the lower plate when the molten metal is injected. It is installed in the furnace so that the melting furnace can be lifted, the melting furnace is raised to supply molten metal to the casting machine, and the molten metal is solidified while casting the billet while lowering the lower plate of the casting machine, thereby eliminating holes in the lower part of the casting machine.

Briefly describing the operation of the billet casting apparatus according to the present invention as follows.

First, thermal energy is applied to the melting furnace 1 to dissolve and mix the metal material, and a degassing machine 5 is introduced into the opening 11 of the melting furnace 1 to discharge harmful gas inside the melting furnace 1.

Specifically, the lifting cylinder 55 is driven to raise the bracket 53 and then the bracket 53 is rotated about the hinge 52 axis so that the rotation shaft 56 is positioned on the opening 11 of the melting furnace 1. To be located at

Then, the bracket 3 is lowered by driving the lifting cylinder 55 so that the cover 58 is tightly coupled to the opening 11, and then argon gas is discharged from the discharge hole 57a of the rotor 57. The rotor 57 is rotated to discharge hydrogen gas in the melting furnace 1, and when the gas is discharged, the lifting cylinder 55 is driven to raise the bracket 53 and the bracket 53 about the hinge 52 axis. Rotate in the opposite direction than before.

Subsequently, the drive cylinder 25 is driven to widen the interval of the “X” -type link 23 to raise the melting furnace 1 so that the molten metal can be introduced into the upper mold 211 of the casting machine 3. do.

And the molten metal in the melting furnace 1 is discharged | emitted through the water supply 13.

The molten metal discharged to the tap water 13 is introduced into the upper mold 311 of the upper plate 31 of the casting machine 3 after impurities are removed by the filter 131 inside the filter box 13.

When the molten metal is introduced through the upper mold 311, the lower plate 32 is lowered and the cooling metal or the cooling water is supplied through the cooling device to solidify the molten metal to cast into billets.

The lower plate 32 descending speed is preferably adjusted according to the type of alloy and the change of the injection temperature to produce a billet of homogeneous structure.

 As described above, in the present invention, the melting furnace is installed to be elevated by the lifting means, and the casting machine is installed at a predetermined height from the ground so that the molten solution discharged from the elevated melting furnace can be supplied. The metal is put into the casting machine and the lower plate of the casting machine is lowered to cast the billet, so that the casting process can be performed even in a space where no separate hole is formed. There is an effect that the installation is easy to install.

Although the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that many different and obvious modifications are possible without departing from the scope of the invention from this description. Therefore, the scope of the invention should be construed by the claims described to include many such variations.

Claims (6)

Melting furnace for dissolving and mixing the metal material and discharged; A casting machine casting molten metal discharged from the melting furnace into billets and installed at a predetermined height from the ground; And And a lifting means for raising the melting furnace to a position corresponding to the height at which the casting machine is installed. The method of claim 1, Billet casting apparatus, characterized in that the filter box is further provided to remove the impurities of the molten metal discharged to the melting furnace at the point where the molten metal is discharged from the furnace. The method of claim 1, The lifting means A guide for guiding the ascent of the melting furnace; An upper frame for supporting the melting furnace at the lower portion of the melting furnace; An X-type link installed at a lower portion of the upper frame and hinged at an intersection thereof; A lower frame supporting the X-shaped link; And Billet casting device, characterized in that consisting of a drive cylinder for adjusting the spacing of the X-shaped link. The method of claim 1, The casting machine A top plate having a plurality of upper molds into which molten metal discharged from the melting furnace is introduced; And A lower mold for a mold is formed at a lower portion of the upper plate and corresponding to the upper mold, and includes a lower plate installed to be elevated. The upper side of the casting machine is further characterized in that the billet casting apparatus further comprises a distributor for distributing the molten metal discharged from the furnace to the plurality of upper mold. The method according to any one of claims 1 to 4, Billet casting apparatus, characterized in that the one side of the melting furnace is further provided with a degassing device for discharging the harmful gas generated in the melting furnace. The method of claim 5, The degassers A vertical frame installed on the side of the melting furnace; A bracket lifted along the vertical frame and hinged to the vertical frame to enable rotation; An elevating cylinder for elevating the bracket; A rotating shaft installed at one side lower end of the bracket; And Billet casting apparatus characterized in that it comprises a rotor formed at the end of the rotating shaft to rotate together when the rotating shaft is rotated.

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