KR101662485B1 - Pure gold bar for different matal manufacturing method - Google Patents

Pure gold bar for different matal manufacturing method Download PDF

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Publication number
KR101662485B1
KR101662485B1 KR1020160024032A KR20160024032A KR101662485B1 KR 101662485 B1 KR101662485 B1 KR 101662485B1 KR 1020160024032 A KR1020160024032 A KR 1020160024032A KR 20160024032 A KR20160024032 A KR 20160024032A KR 101662485 B1 KR101662485 B1 KR 101662485B1
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KR
South Korea
Prior art keywords
metal
protruding
protrusion
liquefied
ceramic
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Application number
KR1020160024032A
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Korean (ko)
Inventor
이경숙
이제호
Original Assignee
(주)테라리제
이경숙
이제호
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Priority to KR1020160024032A priority Critical patent/KR101662485B1/en
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Publication of KR101662485B1 publication Critical patent/KR101662485B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
    • B22D25/026—Casting jewelry articles
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C25/00—Miscellaneous fancy ware for personal wear, e.g. pendants, crosses, crucifixes, charms
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00—Making jewellery or other personal adornments
    • A44C27/001—Materials for manufacturing jewellery
    • A44C27/002—Metallic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/0805—Flat bars, i.e. having a substantially rectangular cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Adornments (AREA)

Abstract

The present invention relates to a method of manufacturing a pure gold bar constituted with dissimilar materials; and the technical point of the present invention relates to the method of manufacturing the pure gold bar constituted with dissimilar materials. According to the method, a protruding groove in a protruding hole type is formed on an upper part of a first metal by pouring a liquefied first metal (for example, platinum) on a metal frame; then dipping a ceramic pressurizing body comprising a number of curved protruding holes on a lower plane of an upper plate and not being combined to a metal into the first metal in order for the protruding hole to be submerged; then solidifying the first metal; and then removing the ceramic pressurizing body through sliding on a side direction. At this time, if a liquefied second metal (for example, yellow gold) different from the first metal is poured and solidified, the second metal permeates into the protruding groove and is solidified in a shape of the protruding groove to obtain a protruding part of the second metal in the same shape as the protruding groove of the first metal. The first metal and the second metal are fixated to each other to form a metal body whose upper part and lower part have different colors by combining the curved protruding groove and the protruding part. A worker is able to obtain a desired thickness of the metal body by passing the metal body through a number of rolling rollers several times.

Description

[0001] The present invention relates to a pure gold bar made of different materials,

The present invention relates to a method of manufacturing a pure gold bar made of different materials, and it is a technical object of the present invention to provide a method of manufacturing a pure gold bar made of a different material by pouring a liquefied first metal (for example, platinum) When the ceramic pressure body is immersed in the first metal and hardened and then the ceramic pressure body is laterally removed through a sliding method, a protruding groove is formed in the form of a protrusion on the first metal, When a liquefied second metal (for example, gold) different from that of the first metal is poured and hardened, the second metal penetrates into the inside of the protruding groove to be hardened in the shape of the protruding groove, The metal and the second metal are fixed to each other by the protruding grooves and the protruding portions of the second metal being coupled to each other, There is, it is passed through several times the metal body a plurality of rollers relates to a process for the preparation of pure gold bar consisting of two kinds of materials can be made with a thickness that the operator intended.

A tool used to dress in the past. In the Neolithic era, necklace decorations made of bonsai and beast bones made of boulders are found, and it has become more diversified in the Bronze Age. In the Three Kingdoms period, the arts and crafts were highly developed, and the ornaments of gold, silver and gold bronze made and widely used. Especially, in Silla, the metalworking technology developed greatly, creating the great artworks such as necklaces, earrings and necklaces. During the Joseon Dynasty, goldsmiths and craftsmanship of jewelery developed around ornaments. There are various types of jewelry such as turtleneck, hyperbole, soother, necklace, earring, ring, shoe, embroidery, sleeping, dong, back and pouch.

These things added to the dignity and fashion of the women, and after the blooming period, the ornaments such as sachet and jangdo gradually disappeared and soju was used for growth.

Among the above-mentioned ornaments, the most commonly used method of producing noble metal ornaments is the roast wax casting process, which forms a circular mold with a low melting point material such as paraffin, , Heating and liquefaction of the paraffin main body by heating in an electric furnace, and removing the paraffin main body and pouring liquefied metal into the place where the paraffin is removed, thereby forming an ornamental metal having the same shape as the circular shape.

As described in Korean Utility Model Registration No. 20-0193566, the decorative body formed on the ring body is fixed to the decorative groove by welding. However, it is an object of the present invention to provide a joining process such as welding It is not only troublesome work but also raises cost, so that it is costly for consumers.

In order to solve the problems described above, the present invention is characterized in that after a liquefied first metal is poured into a metal mold, a ceramic pressing body provided with a plurality of protruding portions bent on a lower surface of the upper plate is immersed in a first metal, When the ceramic presser is removed, a protruding groove is formed in the form of a protrusion on the first metal. At this time, a second metal having a different material (different in hue) from the first metal is poured, And a protrusion of the second metal which is hardened according to the shape of the protruding groove is provided. Due to the combination of the protruding grooves and the protruding portion, one metal body having different colors of the upper and lower parts is formed without a separate bonding process, And it is an object of the present invention to provide a roller which can be passed several times to a plurality of rolling rollers so that the roller can be made to have an intended thickness.

At this time, according to one embodiment of the present invention, as the protrusion is immersed in the liquefied first metal, the surface of the first metal rises by the mass of the protrusion in the mold frame unlike the intention of the operator, In order to prevent the heights (ratios) of the first metal and the second metal from being shifted, a clearance zone in the form of a wedged shape is formed between the projecting portions, that is, between the projecting portions, i.e., the lower surface of the upper plate, The purpose of that is to provide.

In order to accomplish the above object, the present invention provides a method of manufacturing a ceramic pressure body (200) having a plurality of projections (220) bent at a lower surface of a top plate (210) after poured a liquefied first metal (100) A first step (S100) of hardening the first metal in a state in which the projecting mouth is immersed so as to be immersed; A second step S200 of slidingly removing the ceramic presser 200 from the first metal 100 to form protrusions 110 corresponding to the protrusions 220 on the first metal; The second metal 300 is formed of a different material from the first metal 100 and then cooled. The second metal 300 is cooled and then cooled to form a protrusion 310 according to the shape of the protrusion groove 110, A third step (S300) in which two metals are fixed to form one metal body (400); The metal body 400 is repeatedly passed between the plurality of rolling rollers 500 to reduce the thickness thereof (S400).

At this time, in the first step S100, a margin zone 230 is formed on the lower surface of the upper plate 210 to prevent the water surface of the liquefied first metal 100 from rising due to immersion of the protrusion 220 do.

The ceramic presser 200 is provided with a protrusion 220 in a triangular, threaded, arcuate or rolling shape so as not to be separated upward from the first metal 100. The protrusion groove 110 and the protrusion 310 And are formed in the same shape.

The second metal (300) is formed to have a lower melting point than the first metal (100), so that the second metal (300) is bound to the upper portion of the first metal (100).

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Accordingly, when the first metal is poured into a metal mold, the ceramic pressure body having a plurality of projections protruding from the bottom surface of the top plate is immersed in the first metal to be hardened, and then the ceramic pressure body is removed. A protruding groove is formed in the form of a protrusion on the first metal. When the second metal having a different material (different in hue) from the first metal is poured and then hardened, the protruding groove is hardened in the shape of the protruding groove, The protrusion of the second metal is provided. Since the protruding grooves and the protrusions are combined, there is no additional bonding process such as welding, and no additional cost is incurred due to the additional process, thereby reducing the production cost. It is possible to purchase the two-tone color ornaments for the cost, and it is possible not only to reduce the thickness to the thickness intended by the operator through the rolling roller, but also to reduce the pressing force of the first metal and the second metal Stronger the effect.

At this time, in an embodiment of the present invention, a margin zone is formed between the projections and the bottom surface of the upper plate so that the liquefied first metal coalesces between the projections, that is, the lower surface of the upper plate, As the metal is soaked in the metal, the surface of the first metal rises by the mass of the protrusion in the metal mold, unlike the worker's intention. At this time, There is an effect that the height of the metal and the second metal is not misaligned.

FIG. 1 is a step diagram of a method for manufacturing a pure gold bar made of different materials according to the present invention,
Figure 2 is an example of visualizing the process of Figure 1 according to the present invention,
Figs. 3 to 4 are views showing the difference between the absence and the absence of a clearance zone in the ceramic pressurizing body according to the present invention, Fig.
5 is an exemplary view showing that the shapes of the projections according to the present invention can be variously formed.

The present invention will now be described in detail with reference to the accompanying drawings.

1 to 5, the present invention includes a first step (S100), a second step (S200), a third step (S300), and a fourth step (S400).

The first step S100 includes punching a ceramic body 100 with a plurality of projections 220 bent at the lower surface of the upper plate 210 after poured the liquefied first metal 100 into the mold frame M, ), The first metal is solidified while the projecting mouth is immersed so as to be immersed.

A clearance zone 230 is formed on the lower surface of the upper plate 210 to prevent the surface of the first metal 100 liquefied by the weight of the latching member from being raised due to immersion of the protrusion 220.

3, when the height of the first metal 100 is "h ", when the ceramic pressure-sensitive device 200 is immersed in the first metal in the absence of the clearance zone 230, The height of the water surface of the first metal becomes "h" by the mass of the protrusion 220 of the first metal, so that the surface of the water becomes higher than the height of the first metal originally intended by the operator.

As shown in FIG. 4, a clearance zone 230 is formed in the lower part of the upper plate 210 of the ceramic presser 200 so as to be inwardly folded. Thus, The height of the first metal to be displayed can be maintained by maintaining the height "h" of the first metal set by the operator at first even if the ceramic pressure body is not contained or contained, The process does not occur.

The protrusions 220 are formed in a triangular, threaded, arcuate or rolling shape, or a combination thereof, and are not separated from the first metal that is hardened when the ceramic presser 200 is pulled upward .

At this time, according to the shape of the protrusion 220, protrusion grooves 110 and protrusions 310 to be described later are changed in the same manner.

At this time, in the second step S200, the ceramic presser 200 is slidably removed from the first metal 100, and a protrusion groove 110 having a shape corresponding to the protrusion 220 is formed on the first metal do.

The third step S300 is formed of a dissimilar material from the first metal 100. After the liquefied second metal 300 is poured, the protrusion 310 is formed according to the shape of the protrusion groove 110 So that the first metal and the second metal are fixed to form one metal body 400.

At this time, the second metal 300 is formed to have a melting point lower than that of the first metal 100, so that the liquefied second metal is completely tightly adhered to the upper portion of the first metal, And the second metal are fixed.

That is, assuming that the first metal 100 is platinum (melting point: 1770 ° C) and the second metal 300 is golden (melting point: 1064.18 ° C) The liquefied platinum is poured and pressed through the ceramic presser 200 to form the protruding grooves 110 to form a solidified first metal (platinum). Even if the liquefied gold having a relatively low melting point is poured thereafter, Since the melting point of platinum is not reached, the shape of the platinum is maintained and the liquefied gold is completely adhered to the upper part of the solidified platinum, and the metal body 400 having the upper and lower colors, .

At this time, the first metal 100 and the second metal 300 do not necessarily have to be platinum and gold, and may be any metal if the first metal has a higher melting point than the second metal.

At this time, the metal body 400 of the fourth step (S400) is repeatedly passed between the plurality of rolling rollers 500 to reduce the thickness as desired by the operator.

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It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

100 ... first metal 110 ... projecting groove
200 ... Ceramic pressure body 210 ... Top plate
220 ... protrusion 300 ... second metal
310 ... protrusion 400 ... metal body
500 ... Rolling Roller M ... Mold Frame

Claims (5)

After the liquefied first metal 100 is poured into the mold frame M, the ceramic presser 200 having a plurality of protrusions 220 bent at the lower surface of the upper plate 210 immerses the protrusions into the cavity, 1) a first step of hardening the metal (S100);
A second step S200 of slidingly removing the ceramic presser 200 from the first metal 100 to form protrusions 110 corresponding to the protrusions 220 on the first metal;
The second metal 300 is formed of a different material from the first metal 100 and then cooled. The second metal 300 is cooled and then cooled to form a protrusion 310 according to the shape of the protrusion groove 110, A third step (S300) in which two metals are fixed to form one metal body (400);
A fourth step S400 of repeatedly passing the metal body 400 between the plurality of rolling rollers 500 to reduce the thickness thereof;
And a step of heating the pure gold bar.
2. The method of claim 1, wherein the first step (SlOO)
Wherein a clearance zone (230) is formed on the lower surface of the upper plate (210) in order to prevent the water surface of the liquefied first metal (100) from rising due to immersion of the protrusion (220) ≪ / RTI >
The ceramic presser (200) according to claim 2, wherein the ceramic presser
The projecting grooves 110 and the protrusions 310 are formed in the same shape so that the first metal 100 does not deviate upwardly from the first metal 100. [ A method of manufacturing a pure gold bar made of a material.
4. The method of claim 3, wherein the second metal (300)
Wherein the melting point of the first metal (100) is lower than that of the first metal (100), so that the first metal (100) is bound to the upper portion of the first metal.
delete
KR1020160024032A 2016-02-29 2016-02-29 Pure gold bar for different matal manufacturing method KR101662485B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0261591A (en) * 1988-08-26 1990-03-01 Seiko Epson Corp External component for watch and manufacture thereof
JPH06277793A (en) * 1991-11-15 1994-10-04 Agency Of Ind Science & Technol Manufacture of noble metal ornament
JP2014200575A (en) * 2013-04-09 2014-10-27 俊之 木森 Manufacturing method of accessory
KR101612008B1 (en) * 2016-01-25 2016-04-12 문병중 Connector of personal ornaments for having different material manufacturing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0261591A (en) * 1988-08-26 1990-03-01 Seiko Epson Corp External component for watch and manufacture thereof
JPH06277793A (en) * 1991-11-15 1994-10-04 Agency Of Ind Science & Technol Manufacture of noble metal ornament
JP2014200575A (en) * 2013-04-09 2014-10-27 俊之 木森 Manufacturing method of accessory
KR101612008B1 (en) * 2016-01-25 2016-04-12 문병중 Connector of personal ornaments for having different material manufacturing method

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