KR101364302B1 - A fixture for a casting wooden pattern and the pattern assembling the fixture - Google Patents

Abstract

The present invention relates to fixtures for drawing out a casting wood from a mold and a casting wood having the fixtures. Each fixture for drawing out a casting wood from a mold comprises: a long bolt penetrating a first through-hole formed on a casting wood; a first support plate formed of a polygonal body in which a first tapped hole thread-coupled to the bottom of the long bolt is formed at the center; an eyenut coupled to the top of the long bolt. Even through a process for installing the casting wood to in a mold frame to cast the mold or separating the casting wood from the mold is repeated, the fixtures according to the present invention can stably maintain the fixed state by supporting the long bolt penetrating the casting wood using the first polygonal support plate. Thus, if the mold is manufactured by the casting wood having the fixtures, the fixtures can stably transport the manufactured mold for a long time by minimizing the shaking of the manufactured mold during the transpiration of the casting wood; thereby reducing the fraction defective of the manufactured mold and products casted by the mold.

Description

Casting molds for casting casters mounted on molds and casting molds incorporating the fittings {A fixture for a casting wooden pattern and the pattern assembling the fixture}

The present invention relates to a casting die withdrawal for casting cast seat seated on the mold and a casting die for the assembly is assembled, more specifically, to easily withdraw the casting die from the mold after the production of the mold using the casting die The present invention relates to a die for molding and a die for assembly in which the binder is assembled.

In general, casting is a metal processing technique in which molten metal is poured into a mold such as a sand mold or a mold and solidified to produce casting products of various forms.

At this time, the material used in the manufacture of the mold is called a casting sand, also known as casting or casting.

Such casting is widely used in the production of products today, and as a main sand casting, quartz, feldspar, mica, clay, etc. are used as main components, and iron oxide or calcite is included as a small amount as impurities.

In this case, when selecting sand casting sand as a factor that determines the quality of the casting, several conditions for installation should be considered. Therefore, it is easy to manufacture a mold, and it must be a mold without defect of hot molten metal. In order to satisfy these conditions, the strength, hardness, air permeability, caking force, thermal expansion and moldability, etc. should be adjusted.

On the other hand, casting (casting) can be mass-produced in a relatively simple equipment than forging, sheet metal, welding, and the like, and is easy to process.

In order to obtain such a cast product, first, a die having a shape of a cast product must be provided.

Such wooden molds are used in the form of semi-permanent wooden molds that are processed by casting into wood, such as wood, or in the form of disposable products.

On the other hand, since most casting products are manufactured in large sizes, casting molds are often made in large sizes to produce large casting products.

In the case of such a large casting wooden die, it is difficult to pull out of the mold by lifting with a manpower and mainly use a crane.

At this time, in order to be able to easily hook the hook of the crane is to produce a mold in a state fixed to the mold for casting. An example of a fastener fixed to such a casting die is represented by a ring in FIGS. 4 and 5 of Patent No. 10-1280697 proposed by the present applicant.

By the way, the ring is made of eye bolts, it is difficult to maintain a stable fixed state for a long time due to the looseness or looseness of the ring due to the nature of the casting mold that is often installed and removed for the production of the mold when fixed to the casting mold.

Therefore, the present invention is to solve such a conventional problem, the present invention is a drawer for the casting of the cast wooden mold for improving the structure to match the casting wooden hook to the hook of the crane during the transport of the casting wooden mold and the like It is an object of the present invention to provide a casting die with assembled fasteners.

In addition, the present invention for casting casting with a binder for the drawer of the casting mold that can be prevented from running out even when installed and detached in the mold for making the mold repeatedly for a long time and the same The purpose is to provide a wooden die.

According to an aspect of the present invention,

The first support plate consisting of a long bolt penetrating the first through-hole formed in the die for casting, a polygonal body formed at the center of the first screw hole screwed to the lower end of the long bolt, the upper end of the long bolt Provided with a casting drawer for casting wooden seat seated on a mold, characterized in that consisting of the eye nut is fastened to.

At this time, the surface of the first support plate body is characterized in that the nut portion is formed protruding the first screw hole is screwed to the lower end of the long bolt.

In addition, a fixing hole penetrates the body edge of the first support plate, and fastening means such as nails or screws are fastened.

In addition, the first support plate is in close contact with the neck beam, the second through hole through which the long bolt is formed in the center of the neck beam is formed, the bottom surface of the neck beam is formed with a first seating groove on which the first support plate is seated It is characterized by.

At this time, the upper surface of the neck beam is characterized in that the second support plate which is formed to penetrate the second screw hole through which the long bolt is screwed.

The second support plate is made of a polygonal shape.

In addition, the long bolt is characterized in that the nut and bush 162 for pressing the upper surface of the casting die for further coupling.

In addition, the first support plate is characterized in that the nut body is formed by welding integrally the first screw hole is formed on the surface of the body.

In addition, the coupling hole is formed on the surface of the body, the nut body is characterized in that it is fixed by welding in the state in which the bolted portion formed in the lower screw.

On the other hand, the present invention;

In the casting die that is fastened to the fastener for drawing out the casting die seated on the mold, the casting die is formed through the first through hole vertically; A long support plate made of a polygonal body having a long bolt passing through the first through hole, a first screw hole screwed to a lower end of the long bolt, and formed at the center thereof, and an eye nut fastened to an upper end of the long bolt. It also provides a casting wooden die assembly is assembled with a molding die for drawing out, characterized in that the fastener is made.

At this time, the bottom of the cast wooden neck is formed with a neck sheath security seat is seated on the neck, and the first through hole is formed in the center of the neck security seat groove is penetrated through the long bolt, the long bolt in the center A second through hole is formed therethrough, and a first seating groove is formed on the bottom of which the first support plate is seated. It is characterized in that it is fixed.

In addition, the upper surface of the neck beam is characterized in that the second support plate which is formed so that the second screw hole through which the long bolt is screwed is further coupled.

In addition, a second seating groove is formed in the center of the cast wooden neck security mounting groove is seated on the second support plate is formed so that the second screw hole through which the long bolt is screwed.

In addition, the upper side of the long bolt is characterized in that the wooden support nut and bush which is in close contact with the upper end of the first through-hole of the casting wooden die is fastened.

And, the upper surface of the cast wooden die is characterized in that the nut seating groove is further formed on which the wooden support nut is seated.

The fastener according to the present invention is supported through the first support plate of the polygonal shape to support the through-bolt through the long bolt to the casting die, so that even if the process for repeatedly installing the casting die in the mold or separating from the mold Long-term stable binding can be maintained.

In addition, if the mold is manufactured using a casting mold provided with a binding device according to the present invention, it is possible to carry it stably for a long time, thereby minimizing the shaking of the mold produced during the transportation of the casting mold, and the casting product resulting therefrom. The defective rate of can also be lowered.

1 is a perspective view showing a state in which a binder is installed in a casting die according to an embodiment of the present invention.
Figure 2 is an exploded perspective view of the binder for the casting die according to an embodiment of the present invention.
Figure 3 is a cross-sectional view of the installation sphere in the casting die according to an embodiment of the present invention.
Figure 4 is a cross-sectional view of the installation sphere in the casting die according to another embodiment of the present invention.
Figure 5 is a cross-sectional view of the installation sphere in the casting die according to another embodiment of the present invention.
6 is a view sequentially showing an example of the production of a mold using a casting wooden die is installed according to another embodiment of the present invention.

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

Since the present invention may be modified in various ways and have various forms, embodiments (or embodiments) will be described in detail in the text. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

1 to 3, the casting die 1 according to the present invention may be made of various materials such as wood, mortar, styrofoam.

The casting die 1 for the casting die 100 according to the present invention is assembled. The casting die 1, which requires the installation of the casting die 100 for casting, is mainly required when the casting product to be manufactured is large.

The fastener 100 used for drawing out the casting die 1 is formed of a long bolt 110 and a first screw hole 122a screwed to the lower end of the long bolt 110 at the center thereof. It consists of a first support plate 120 made of a body 121 of a polygonal shape and the eye nut 130 is fastened to the top of the long bolt 110 so as to easily hook the hook (2) of the crane. Of course, the binder 100 is used as a whole made of a metal material.

Hereinafter, the constitution of each part of the present invention will be described in detail.

First, the casting die 1 may be made of various materials such as wood, mortar, styrofoam, etc. Die casting die in the manufacturing process of the drill processing or die to install the fastener 100 according to the present invention (1) The first through-hole 10 is formed in the.

Of course, the first through-hole 10 is formed in plural in consideration of the size and shape of the casting die (1), the first through-hole 10 is assembled to the binder 100 separately.

In this case, as an example, the first through hole 10 may be processed or molded to penetrate the casting die 1 vertically. The first through hole 10 may have a length of the binding hole 100. The bolt 110 is penetrated.

The long bolt 110 is formed in a cylindrical shape and has a structure in which a male thread mountain 111 is formed on the entire outer circumferential surface thereof.

The first support plate 120 is fastened to the lower end of the long bolt 110 as described above.

At this time, the body 121 is made of a polygon, such as a triangle, a square, a pentagon, a hexagon. By forming the body 121 in a polygon, it is possible to prevent the first support plate 120 from being empty when assembling the long bolt 110. Therefore, the body 121 uses only a polygonal shape without forming a disc.

On the other hand, the surface of the body 121 may be formed to pass through the first screw hole (122a) directly, but when the long bolt 110 and the first coupling plate 120 is screwed to secure a solid support force to ensure sufficient load In order to support it, the surface of the body 121 is formed to protrude the nut part 122 in which the first screw hole 122a is formed, so that the screw bolting area of the long bolt 110 and the first screw hole 122a is formed. Will increase.

The fixing hole 123 penetrates the edge of the body 121 of the first support plate 120 to fasten the fastening means 124 such as a nail or a screw.

On the other hand, the first support plate 120 can be fixed to the casting die 1 by directly contacting the casting die 1 and penetrating the fastening means 124 through the fixing hole 123, It is preferable to use the wooden beam 140 to increase the adhesion area to the casting die (1).

To this end, the bottom of the casting die (1) is formed with a neck security seat 12 is seated on the neck beam 140, the first through hole 10 is formed in the center of the neck security seat 12 The long bolt 110 is formed through.

The neck beam 140 is formed in a cylindrical shape and a first seating groove 143 is formed on the bottom of which the first support plate 120 is seated, and the first support plate 120 is formed in the first seating groove 143. ) In a state of being in close contact with the fastening means 124 fixed to the neck 140 (integrated).

At this time, the neck beam 140 has a second through-hole 142 through which the long bolt 110 penetrates in the center.

On the other hand, the second support plate 150 is further coupled to the upper surface of the neck beam 140.

The second support plate 150 has a body 151 is made of a polygon, such as a triangle, a square, a pentagon, a hexagon, similar to the first support plate 120, the surface of the body 151 A third through hole 152 through which the long bolt 110 penetrates is formed. At this time, the body 151 of the second support plate 150 is formed with a support hole 153 that can be integrally fixed with the fastening means 154 on the top of the neck beam 140. Therefore, the fastening means 154 penetrates the support hole 153 and is integrally fixed to the neck beam 140.

On the other hand, in order to prevent the shepherds 140 to which the second support plate 150 is fixed, the second sheathing groove 12a is formed at the center of the neck secure mounting groove 12 of the casting die 1. Is formed so that the second support plate 150 is seated.

Of course, the neck bobbin 140 is naturally fixed to the neck neck secure mounting groove 12 of the casting die 1 by using an adhesive or the like.

And the eye nut 130 is fastened to the upper end of the long bolt 110.

At this time, in order to firmly support the upper end and the lower end of the first through-hole 10 of the cast wooden die 1 on the upper side of the long bolt 110, the wooden support nut 160 is first fastened. In this case, the bush 162 is first fastened to prevent breakage of the casting die 1 by rotation when screwing the die-supporting nut 160 and to prevent it from falling later, so that the casting die 1 of the casting die 1 is fastened. The first through-hole 10 is in close contact with the top.

In addition, the nut seating groove 14 is formed on the top surface of the casting die 1 to prevent the die-supporting nut 160 from protruding from the top surface of the casting die 1. Screws are assembled into a structure.

After assembling the wooden support nut 160 as described above, the eye nut 130 is fastened to the upper end of the long bolt 110 to complete the assembly of the fastener 100 according to the present invention.

On the other hand, Figures 4 and 5 are diagrams showing various modifications of the fastener according to the present invention.

Referring to FIG. 4, the first support plate 120 may form the protruding nut part 122 having the first screw hole 122a formed on the surface of the body 121, as described above. The nut body 122a having the first screw hole 122a formed on the surface thereof may be integrally fixed through the welding P.

In this case, the coupling hole 121a is formed on the surface of the body 121, and the nut body 122b performs the welding P in a state in which the bolt portion 122c is formed at the lower end thereof, thereby performing welding (P) to the nut body 122b. It can be firmly fixed to the body 121.

On the other hand, as shown in Figure 5, the first support plate 120 has a first screw hole (122a) is formed in the center of the body 121 is screwed to the lower end of the long bolt 110 is a separate nut portion ( 122 or the nut 122b may be directly screwed into the first screw hole 122a which is directly penetrated to the surface of the body 121 of the first support plate 120 without using the nut 122b. Can be.

Hereinafter, an example of use of a cast wooden die assembly according to the present invention will be described with reference to FIGS. 1 to 6.

As described above, the fastener 100 is assembled and installed on the die 1 and the mold 200 is manufactured by using the fastener 100.

According to this, at least one mold 200 is used. As shown, the male core 211 and the female core 221 are provided to be assembled at a predetermined position when the upper mold 210 and the lower mold 220 are assembled, and the male core 211 is provided. ) Is inserted into the female core 221 to assemble the upper mold 210 and the lower mold 220 in place.

At this time, the male core 211 and the female core 221 are all made of a metal material, it can be manufactured in various forms such as casting, forging, press working.

The manufacture of the mold using the casting wooden mold manufactured by the above various methods, and the casting example of the casting product using the mold are demonstrated. In this case, the casting die 1 consists of a lower die 1a and an upper die 1b.

After installing the bottom frame 300 and sequentially installed the lower die (1a) and the lower die 310, filling the molding sand to produce the lower mold 220, install the bottom frame 301 and the upper die (2a) After the upper mold 320 and the sequentially installed to fill the molding sand in the upper mold 320 to produce the upper mold 210. At this time, the upper mold 210 and the lower mold 220 can be produced in any order.

At this time, the upper mold 320 and the lower mold 310 may be formed in a rectangular frame shape of the upper and lower openings, handles 311 and 321 outside the upper mold 310 and the lower mold 320 for easy transportation. ) Is provided.

In this case, in order to separate the lower die 1a and the upper die 1b, that is, the casting die 1 from the upper die 310 and the lower die 320, the hook 2 of the crane is connected to the child of the fastener 100. Hook the wire (W) fixed to the bolt to lift the lower die (1a) and the upper die (1b) to separate from the lower mold 220 to be moved to another place.

The upper mold 210 and the lower mold 220 manufactured as described above are formed with spaces 214 and 224 into which molten metal is introduced, respectively, and a casting die 1 used to form the spaces 214 and 224. Separate.

As such, the casting die 1 used to manufacture the upper mold 210 and the lower mold 220 may be used to manufacture another upper mold 210 and the lower mold 220 after separation.

On the other hand, the upper mold 210 and the lower mold 220 manufactured as described above are in close contact with each other to form the spaces 214 and 224 in the same shape as the casting die 1, and a molten metal (not shown) is added thereto. Filling the spaces 214 and 224, cooling and solidifying, and separating the upper mold 210 and the lower mold 220 can obtain a finished casting product.

1 to 6 is a cast wooden drawer for the seat seated on the mold shown in Figure 6 and the cast wooden die is assembled as shown in order to explain some examples, the binding having a variety of shapes or shapes It can be produced in spheres and casting dies, they are within the scope of the present invention regardless of the shape or shape.

1: casting die 10: first through hole
100: fastener 110: long bolt
120: first support plate 130: eye nut
140: neck 150: second support plate
160: wooden support nut 162: bush

Claims (15)

The long bolt 110 penetrating the first through hole 10 formed in the casting die 1 and the first screw hole 122a screwed to the lower end of the long bolt 110 are formed in the center. The first support plate 120 made of a polygonal body 121 and the casting drawer for casting wooden seats seated on the mold, characterized in that the eye nut 130 is fastened to the upper end of the long bolt 110 .
The method of claim 1,
On the surface of the body 121, the first support plate 120, the lower end of the long bolt 110, the first screw hole (122a) is formed in which the screw 122 is formed to protrude into a mold Seated casting spouts for seating.
The method of claim 1,
Fixing hole for casting cast wooden seated on the mold, characterized in that the fastening hole 123 is penetrated to the edge of the body 121 of the first support plate 120 is fastened means 124 such as nails or screws .
The method of claim 1,
The first support plate 120 is in close contact with the neck beam 140,
The neck beam 140 has a second through hole 142 through which the long bolt 110 penetrates at the center thereof, and a first seat on which the first support plate 120 is seated at the bottom of the neck beam 140. The casting drawer for casting wooden seated on the mold, characterized in that the groove 143 is formed.
5. The method of claim 4,
The upper seat of the neck 140 is seated on a mold, characterized in that the second support plate 150 is formed to pass through the second screw hole 152 through which the long bolt 110 is screwed further coupled Quiet wooden drawer closure.
6. The method of claim 5,
The second support plate 150 is cast wooden drawer for the seat seated on the mold, characterized in that consisting of a polygon (多角形) shape.
The method of claim 1,
The long bolt 110 for casting casters for the wooden caster seated on the mold, characterized in that the nut 160 and the bush 162 for pressing the upper surface of the casting mold (1) is further fastened.
The method of claim 1,
The first support plate 120 is seated on a mold, characterized in that the nut body 122a, the first screw hole (122a) is formed on the surface of the body 121 is fixed through welding (P) integrally Quiet wooden drawer closure.
The method of claim 1,
The coupling hole 121a is formed on the surface of the body 121, and the nut body 122b is fixed by welding (P) in a state in which the bolt part 122c is formed at the lower part by screwing. Molding drawer fastener seated on
In the casting die 1 to which the fastener 100 for drawing out the casting die 1 seated on the mold is fastened,
The casting die 1 is formed with a first through hole 10 penetrating up and down;
The long bolt 110 penetrating the first through hole 10 and the first screw hole 122a screwed to the lower end of the long bolt 110 is formed in a polygonal body 121 formed at the center thereof. The first support plate 120 and the fastener 100 consisting of the eye nut 130 is fastened to the upper end of the long bolt 110 is formed, the main assembly for the cast wooden drawer, characterized in that the fastening Quiet dies.
The method of claim 10,
The bottom of the casting die 1 is formed with a neck secure mounting groove 12 is seated on the neck beam 140, the first through hole 10 is formed in the center of the neck secure mounting groove 12 Long bolt 110 is penetrated,
The neck beam 140 has a second through hole 142 through which the long bolt 110 penetrates in the center thereof, and a first seating groove 143 in which the first support plate 120 is seated is formed at the bottom thereof. In the state in which the first support plate 120 is in close contact with the first seating groove 143, the fastener for casting cast wooden cast, characterized in that the fastening means 124 is fixed integrally to the neck beam 140. Die-casting dies.
12. The method of claim 11,
The upper surface of the neck beam 140, the second support plate 150, which is formed to penetrate the second screw hole 152 through which the long bolt 110 is screwed is further coupled for casting wooden Casting dies with fasteners assembled.
12. The method of claim 11,
The second support plate 150 is formed in the center of the neck security mounting groove 12 of the casting die 1 is formed so that the second screw hole 152 through which the long bolt 110 is screwed through 2 casting groove 12a is a cast wooden die assembly for drawing the drawer, characterized in that formed.
The method of claim 10,
The upper side of the long bolt 110, the casting die for wood, characterized in that the wooden support nut 160 and the bush 162 is in close contact with the upper end of the first through-hole 10 of the casting die 1 Die-cast wooden dies with assembled fasteners.
The method of claim 14,
The casting die for the assembly of the die casting drawer for assembly, characterized in that the nut seating groove 14 is further formed on the top surface of the casting die (1) is seated on the wooden support nut 160.

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