KR101452285B1 - Mold manufacturing equipment - Google Patents

Abstract

The present invention relates to a mold manufacturing facility for increasing productivity and producing a high-quality mold by using a silicate binder, and more particularly, to a mold manufacturing facility for manufacturing a mold, comprising: a main hopper in which a main mold insertion port into which a main mold is inserted and a main mold discharge port through which the main mold is discharged; A metering device installed at the main cigarette discharge port and measuring the discharged main cigarette; A mixing device for receiving and mixing the metered culprit; A binder supplying device for supplying a binder to the mixing device; An additive supply device for supplying the additive to the mixing device; A dump head for temporarily storing the mixed yarn mixed in the mixing device; A blower head which receives the mixed yarn from the dump head and can be moved to the blowing position by the head conveying device and has a spray nozzle installed therein; An air blowing device installed above the air blowing position and supplying high pressure air to the blower head; And a model device installed below the air blowing position and having a cavity shaped like a mold for receiving mixed yarn injected through an injection nozzle of the blower head injected by the blowing device.

Description

[0001] Mold manufacturing equipment [

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a mold manufacturing facility, and more particularly, to a mold making facility capable of increasing productivity by using a silicate binder and producing a high-quality mold.

In general, a mold is a type of mold used for casting a molten material when casting the molten material, and can be divided into a sand mold and a mold depending on the constituent material.

Among them, conventional molds are widely used as disposable molds. Molds having a casting shape are placed in a box-shaped frame, and then the molds are inserted and cured.

A facility for automating the production of such a mold is one that is disclosed in Korean Patent Publication No. 10-2010-0130465 as a conventional technique.

However, such a conventional mold manufacturing facility has a problem that it is not possible to use a binder such as a silicate binder which is required to be kept at a low temperature.

Disclosure of the Invention The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a cooling device such as a cooling water supply device or an ultrasonic mist supply device on the path of a mixed yarn, Which is capable of producing a mold of the present invention. However, these problems are exemplary and do not limit the scope of the present invention.

According to an aspect of the present invention, there is provided a mold manufacturing facility comprising: a main hopper having a main injection port into which a main mold is inserted and a main mold discharge port through which the main mold is discharged; A metering device installed at the main cigarette discharge port and measuring the discharged main cigarette; A mixing device for receiving and mixing the metered culprit; A binder supplying device for supplying a binder to the mixing device; An additive supply device for supplying the additive to the mixing device; A dump head for temporarily storing the mixed yarn mixed in the mixing device; A blower head which receives the mixed yarn from the dump head and can be moved to the blowing position by the head conveying device and has a spray nozzle installed therein; An air blowing device installed above the air blowing position and supplying high pressure air to the blower head; And a model device installed below the air blowing position and having a cavity shaped like a mold for receiving mixed yarn injected through an injection nozzle of the blower head injected by the blowing device.

According to an aspect of the present invention, the binder is a liquid silicic acid binder, and the additive may be a crushed solid state additive.

According to an aspect of the present invention, in the dump head, a double wall is provided so that the cooling water can be circulated therein, and a cooling water supply device for supplying cooling water to the double wall is connected.

According to an aspect of the present invention, the blower head may be provided with a double wall so that the cooling water can be circulated therein, and a cooling water supply device for supplying cooling water to the inside of the double wall may be connected.

According to an aspect of the present invention, the blower head may be provided with a labyrinthine spray nozzle having a horizontal path connected to a vertical path so that the mixed yarn can be injected only by high-pressure air.

According to an aspect of the present invention, the model device may be such that a double wall is installed so that the cooling water can be circulated therein, and a cooling water supply device for supplying cooling water to the inside of the double wall is connected.

The apparatus for manufacturing a mold according to an embodiment of the present invention may further include an ultrasonic mist supplying device installed on a moving path of the mixed yarn and supplying mist to the mixed yarn.

According to an aspect of the present invention, the ultrasonic mist supply device may be installed by selecting at least one of at least the mixing device, the dump head, the blower head, the model device, and a combination thereof .

The mold manufacturing facility according to the present invention may further include a hot air supply device installed in the model device for curing the mixed yarn.

According to one embodiment of the present invention as described above, productivity can be improved by using a silicate binder, and a mold with good quality can be produced. Of course, the scope of the present invention is not limited by these effects.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional side view conceptually illustrating the preparation of a mixed yarn of a mold manufacturing facility in accordance with some embodiments of the present invention.
Fig. 2 is a cross-sectional side view conceptually showing the mixed yarn spraying step of the mold making equipment of Fig. 1;
3 is a side cross-sectional view showing the injection waiting step of the blower head of the mold making plant of FIG. 2;
FIG. 4 is a side cross-sectional view showing the advancing step of the blower head of the mold making equipment of FIG. 3;
5 is a side cross-sectional view showing the step of completing the injection of the blower head of the mold making equipment of FIG.
Fig. 6 is a side sectional view showing the mold withdrawing step of the modeling apparatus of the mold making equipment of Fig. 4;

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

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the invention to those skilled in the art. In the drawings, the thickness and size of each layer are exaggerated for convenience and clarity of explanation.

It is to be understood that throughout the specification, when an element such as a film, region or substrate is referred to as being "on", "connected to", "laminated" or "coupled to" another element, It will be appreciated that elements may be directly "on", "connected", "laminated" or "coupled" to another element, or there may be other elements intervening therebetween. On the other hand, when one element is referred to as being "directly on", "directly connected", or "directly coupled" to another element, it is interpreted that there are no other components intervening therebetween do. Like numbers refer to like elements. As used herein, the term "and / or" includes any and all combinations of one or more of the listed items.

Although the terms first, second, etc. are used herein to describe various elements, components, regions, layers and / or portions, these members, components, regions, layers and / It is obvious that no. These terms are only used to distinguish one member, component, region, layer or section from another region, layer or section. Thus, a first member, component, region, layer or section described below may refer to a second member, component, region, layer or section without departing from the teachings of the present invention.

Also, relative terms such as "top" or "above" and "under" or "below" can be used herein to describe the relationship of certain elements to other elements as illustrated in the Figures. Relative terms are intended to include different orientations of the device in addition to those depicted in the Figures. For example, in the figures the elements are turned over so that the elements depicted as being on the top surface of the other elements are oriented on the bottom surface of the other elements. Thus, the example "top" may include both "under" and "top" directions depending on the particular orientation of the figure. If the elements are oriented in different directions (rotated 90 degrees with respect to the other direction), the relative descriptions used herein can be interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" include singular forms unless the context clearly dictates otherwise. Also, " comprise "and / or" comprising "when used herein should be interpreted as specifying the presence of stated shapes, numbers, steps, operations, elements, elements, and / And does not preclude the presence or addition of one or more other features, integers, operations, elements, elements, and / or groups.

Hereinafter, embodiments of the present invention will be described with reference to the drawings schematically showing ideal embodiments of the present invention. In the figures, for example, variations in the shape shown may be expected, depending on manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention should not be construed as limited to the particular shapes of the regions shown herein, but should include, for example, changes in shape resulting from manufacturing.

FIG. 1 is a cross-sectional side view conceptually showing a preparation stage of a mixed yarn of a mold manufacturing facility 100 according to some embodiments of the present invention.

1, a mold manufacturing apparatus 100 according to some embodiments of the present invention includes a main hopper 10, a metering device 20, a mixing device 30, The supply device 40, the additive supply device 50, the dump head 60, the blower head 70, the air blowing device 80, the model device 90 and the hot air supply device 110 can do.

1, the main hopper 10 is a hopper in which a main mold insertion port 10a into which the main mold 1 is inserted and a main mold discharge port 10b through which the main mold 1 is discharged are formed , So that the mold 1 can be guided to fall freely from the injection port 10a to the injection port 10b.

The weighing device 20 is installed below the main hopper 10 and measures a predetermined amount of the crockery 1 which is connected to the main crockery outlet 10b and discharged, . The weighing device 20 can measure the weight of the casting mold 1 or measure the amount of flow of the casting mold 1. The weighing device 20 can measure the weight of the casting mold 1, Various closed pipes, gates and valves may be installed.

The mixing device 30 is configured to receive the used weft yarn 1 measured by the metering device 20 and to rotate the binder 31 using the stirring bar 32 rotated by the motor 31 and the motor 31, (2) and the additive (3) are mixed together. Various types of actuators such as cylinders may be used in addition to the motor 31. The stirring bar 32 may also be applied to various types or forms of stirring members such as various rotating bodies or stirring fans .

 The binder supply device 40 supplies the binder 2 to the mixing device 30 and the binder 2 serving as an adhesive is a liquid silicate based silicate such as sodium silicate Binders may be applied. Here, the type of the binder 2 may be variously applied depending on the characteristics of the mold, but the mold made of the silicate binder can produce a very strong and high-quality mold.

The binder supply device 40 may be installed close to the mixing device 30 so that the binder supply line may be the shortest distance. The binder supply device 40 may include a binder The amount can be precisely controlled.

The additive supplying device 50 supplies the additive 3 for accelerating the curing of the slurry to the mixing device 30 and the additive 3 is used to adjust the speed of the curing, Lt; / RTI >

The additive supply device 50 may be provided in a plurality of types depending on the type of the additive, and the amount of the additive supplied using the micro-volume controller can be precisely controlled using the AC drive motor.

In addition, although not shown, the additive supply device 50 may be provided with a stirring device that slowly rotates so as to prevent the additive from hardening inside the supply device.

The dump head 60 is provided with a gate 61 for temporarily storing the mixed yarn 4 mixed in the mixing device 30 and is connected to the blower head 70 by a mixer (4).

The dump head 60 is provided with a double wall body 62 so that the cooling water W can be circulated therein and a cooling water supply device 63 for supplying the cooling water W to the inside of the double wall body 62 Can be connected.

Since the silicate binder contained in the mixed yarn 4 is easily cured at a high temperature due to the characteristics of the material, the cooling water supplying device 63 partially supplies the mixed yarn 4 before reaching the modeling device 90 So as to prevent the supply passage from being blocked.

The blower head 70 is a device that receives the mixed yarn 4 from the dump head 60 and can be moved to the blowing position by the head conveying device 71. The blower head 70 includes a spray nozzle 72, Can be installed.

Various types of actuators such as a cylinder, a motor, a linear motor or other screw bar combination, a rack and pinion gear combination, a belt pulley combination, and a chain sprocket wheel combination can be applied to the head transfer device 71.

The blower head 70 is provided with a double wall body 73 for allowing the cooling water W to circulate therein and a cooling water supply device 74 for supplying cooling water W to the inside of the double wall body 73 Can be connected.

The cooling water supply device 74 is for preventing the silicate binder contained in the mixed yarn 4 from partially hardening and blocking the supply passage before reaching the modeling device 90.

The blower head 70 also has a labyrinthine shape having a horizontal path 72-2 connected to the vertical path 72-1 so that the mixed yarn 4 can be injected only by the high- An injection nozzle 72 may be provided.

Therefore, in the vertical path 72-1, the mixed yarn 4 can freely fall due to gravity. However, in the horizontal path 72-2, the mixed yarn 4 is not affected by gravity, On the other hand, when high pressure air (A) passes through the vertical path (72-1) and the horizontal path (72-2) by the blower (80), the mixed yarn (4) Can be sprayed downward together with the air (A).

On the other hand, the air blowing device 80 is provided above the air blowing position and supplies high-pressure air (A) to the blower head 70. An air tank in which high-pressure air is extruded can be used In addition, a high-pressure pump or an associated vent pipe can be used. Here, the description of the blower device 80 is well known in the art, and a detailed description thereof will be omitted.

On the other hand, the model device 90 is provided below the air blowing position, and the mixed yarn 4 injected through the injection nozzle 72 of the blower head 70 injected by the blowing device 80 And has a cavity (C) in the form of a mold for housing.

Although not shown, the model device 90 may be installed so as to be able to move up and down along the guide rod so as to be more closely contacted with the blower head 70, or to be rotatable so as to facilitate model replacement and repair. Do.

1, the model device 90 includes a blower plate BP provided with a double wall body 91 so that the cooling water W can be circulated therein, and the double wall body 91 A cooling water supply device 92 for supplying the cooling water W can be connected to the inside of the indoor unit 91.

Here, the cooling water supply device 92 is partially cured before being heated by the hot air supply device 110 in the model device 90 so as to cool the silicate binder contained in the mixed yarn 4 Thereby preventing the supply passage from being cut off.

The bellows plate BP can be lifted along the guide rod 94 together with the lifting plate 96 by the cylinder 93 so that the lifting plate 96 can be lifted up And is capable of automatically pulling the mold 5 by the eject pin 95.

As shown in FIG. 1, a hot air supply device 110 connected to the extrusion head 111 may be installed to heat and harden the mixed yarn 4. Here, the extrusion head 111 may be installed to be capable of moving left and right so as to selectively supply hot air to the model device 90. In addition, the technology of the extrusion head 111 and the hot air supply device 110 can be modified and changed by those skilled in the art.

1, a mold manufacturing facility 100 according to some embodiments of the present invention includes a mixer 4 installed on a moving path of the mixed yarn 4, and an ultrasonic mist feeder M for supplying a mist of the ultrasonic wave.

The ultrasonic mist feeder M is installed in the mixing device 30, the dump head 60, the blower head 70 and the model device 90, respectively.

The ultrasonic mist feeder M can supply a sufficient amount of moisture to cool the silicate binder contained in the mixed yarn 4 so as not to be hardened. , A technique applied to an ultrasonic humidifier or the like in various industrial fields or at home, and thus a detailed description thereof will be omitted.

Fig. 2 is a side cross-sectional view conceptually showing a mixed yarn injecting step of the mold making equipment 100 of Fig. 1, and Fig. 3 is a side view showing a jet waiting step of the blower head 70 of the mold making equipment 100 of Fig. 4 is a side cross-sectional view showing the injection advancing step of the blower head 70 of the mold manufacturing facility 100 of Fig. 3, and Fig. 5 is a cross-sectional view of the blower head 70 of the mold manufacturing facility 100 of Fig. 6 is a side cross-sectional view showing the mold withdrawing step of the modeling apparatus 90 of the mold making equipment 100 of Fig. 4; Fig.

The operation of the mold making apparatus 100 according to some embodiments of the present invention will now be described in more detail. First, as shown in FIG. 1, 4 is opened by the gate 61 of the dump head 60 and supplied to the blower head 70, the blower head 70 is connected to the head transport device 71, To the injection position.

3, the mixed yarn 4 may fall freely in the vertical path 72-1 under the influence of gravity in a state in which the blowing device 80 is not operated. However, as shown in FIG. 3, The horizontal path 72-2 is not affected by gravity and can be kept in the standby state without falling down.

4, when the high-pressure air A passes through the vertical path 72-1 and the horizontal path 72-2 by the air blowing device 80, 4) can be injected downward together with the high-pressure air (A).

Then, as shown in Fig. 5, the mixed yarn 4 can be filled in the modeling device 90. Fig.

At this time, the mixed yarn 4 is fed by using the cooling water supply devices 63, 73, and 92 and the ultrasonic mist feed device M so that the silicate binder included in the mixed yarn 4 is not cured. Can be sufficiently cooled.

5, the hot air supply device 110 and the heater H heat the mixed yarn 4 in the model device 90 to form the mixed yarn 4 in the form of a mold .

6, the blower plate BP can be lifted along the guide rod 94 together with the lifting plate 96 by the cylinder 93 using the modeling device 90 , The mold 5 can be automatically drawn out by the eject pin 95 provided on the ascending and descending steel plate 96.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1: Detective
2: binder
3: Additive
4: Mixed yarn
5: Mold
10: Main hopper
10a: State criminal entrance
10b: Cylinder outlet
20: Weighing device
30: Mixing device
31: Motor
32: stir bar
40: Binder feeder
50: additive supply device
60: Dump head
61: gate
62, 73, 91: Double wall
63, 74, 92: cooling water supply device
70: Blower head
71: Head conveying device
72: injection nozzle
72-1: vertical path
72-2: horizontal path
80: blower
A: High pressure air
C: cavity
90: Model device
93: Cylinder
94: Guide rod
95: Eject pin
96: Wrought steel plate
H: Heater
100: Mold manufacturing facility
W: Cooling water
BP: Blower plate
M: Ultrasonic mist feeder
110: Hot air supply device
111: extrusion head

Claims (9)

A main hopper having a main crimp inlet through which the main crimp is inserted and a main crimp outlet through which the main crimp is discharged;
A metering device installed at the main cigarette discharge port and measuring the discharged main cigarette;
A mixing device for receiving and mixing the metered culprit;
A binder supplying device for supplying a binder to the mixing device;
An additive supply device for supplying the additive to the mixing device;
A dump head for temporarily storing the mixed yarn mixed in the mixing device;
A blower head which receives the mixed yarn from the dump head and can be moved to the blowing position by the head conveying device and has a spray nozzle installed therein;
An air blowing device installed above the air blowing position and supplying high pressure air to the blower head; And
A model device provided below the air blowing position and having a cavity in the shape of a mold for receiving mixed yarn injected through an injection nozzle of the blower head injected by the blowing device;
Lt; / RTI >
Wherein the blower head is provided with a double wall so that the cooling water can be circulated therein and a cooling water supply device for supplying cooling water to the inside of the double wall is connected. The method according to claim 1,
Wherein the binder is a liquid silicate binder and the additive is a crushed solid phase additive. The method according to claim 1,
Wherein the dump head is provided with a double wall so that the cooling water can be circulated therein, and a cooling water supply device for supplying cooling water to the double wall is connected. delete The method according to claim 1,
Wherein the blower head is provided with a labyrinthine spray nozzle having a horizontal path connected to a vertical path so that the blended yarn can be injected only by high pressure air. The method according to claim 1,
Wherein the model device is provided with a double wall for allowing cooling water to circulate therein and a cooling water supply device for supplying cooling water to the inside of the double wall is connected. The method according to claim 1,
And an ultrasonic mist feeder installed on the moving path of the mixed yarn to supply mist to the mixed yarn. 8. The method of claim 7,
Wherein the ultrasonic mist supply device is installed by selecting at least one of at least the mixing device, the dump head, the blower head, the model device, and a combination thereof. The method according to claim 1,
A hot air supply device installed in the model device for curing the mixed yarn;
Further comprising a mold manufacturing facility.

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