CN114558988B - High-heat-conductivity copper alloy glass mold bottom and preparation method thereof - Google Patents
High-heat-conductivity copper alloy glass mold bottom and preparation method thereof Download PDFInfo
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- CN114558988B CN114558988B CN202210185662.5A CN202210185662A CN114558988B CN 114558988 B CN114558988 B CN 114558988B CN 202210185662 A CN202210185662 A CN 202210185662A CN 114558988 B CN114558988 B CN 114558988B
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- 239000011521 glass Substances 0.000 title claims abstract description 55
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052802 copper Inorganic materials 0.000 claims abstract description 39
- 239000010949 copper Substances 0.000 claims abstract description 39
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000003723 Smelting Methods 0.000 claims abstract description 13
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 13
- 239000011701 zinc Substances 0.000 claims abstract description 13
- 238000003754 machining Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims description 44
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 12
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 8
- 239000002023 wood Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000004880 explosion Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000003110 molding sand Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 229910052729 chemical element Inorganic materials 0.000 claims description 4
- 229910000611 Zinc aluminium Inorganic materials 0.000 claims description 3
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 239000006104 solid solution Substances 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 13
- 239000000463 material Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/10—Construction of plunger or mould for making hollow or semi-hollow articles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
- C03B11/125—Cooling
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B9/00—Blowing glass; Production of hollow glass articles
- C03B9/30—Details of blowing glass; Use of materials for the moulds
- C03B9/32—Giving special shapes to parts of hollow glass articles
- C03B9/33—Making hollow glass articles with feet or projections; Moulds therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B9/00—Blowing glass; Production of hollow glass articles
- C03B9/30—Details of blowing glass; Use of materials for the moulds
- C03B9/38—Means for cooling, heating, or insulating glass-blowing machines or for cooling the glass moulded by the machine
- C03B9/3866—Details thereof relating to bottom moulds, e.g. baffles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B9/00—Blowing glass; Production of hollow glass articles
- C03B9/30—Details of blowing glass; Use of materials for the moulds
- C03B9/48—Use of materials for the moulds
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Geometry (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a high-heat-conductivity copper alloy glass mold bottom and a preparation method thereof, comprising the following steps: step one: designing a mold bottom; step two: modeling; step three: smelting; step four: pouring; step five: discharging from the box; step six: and (5) heat treatment. The copper matrix in the formula of the technical scheme has good toughness and excellent heat conductivity, so that the requirements of high-machine-speed production of glass products can be met; nickel which can be infinitely compatible with the matrix copper can reflect stronger corrosion resistance, can enhance the stress resistance and toughness, has great solid solubility of zinc in copper alloy and has solid solution strengthening effect; aluminum can increase the oxidation resistance and hardness of the copper alloy; and the heat radiating fins are arranged in the structure of the die bottom, so that the heat radiating area is greatly increased, and the corresponding machining difficulty and workload are not brought, and the heat conducting performance of the die bottom of the copper alloy glass die can play an excellent role.
Description
Technical Field
The invention relates to the technical field of glass mold material preparation, in particular to a high-heat-conductivity copper alloy glass mold bottom and a preparation method thereof.
Background
The glass mold is an important tooling device for manufacturing glass products, and in the industrial production process, the glass mold is frequently contacted with molten high-temperature glass liquid material and has a dense and inseparable relation with the molding quality of the glass products, so that the glass is required to have stronger high-temperature resistance and better heat conduction performance, thereby meeting the requirements of customers on high-speed bottle making, and along with the continuous development of the high-speed bottle making technology, the machine speed of a glass bottle making forming machine is higher and higher, and the requirements on comprehensive properties such as high strength, high heat conduction and the like of the glass mold are more severe. The glass mold materials commonly used in the market at present can be cast iron, alloy steel, copper alloy, nickel-based superalloy and the like, while copper alloy is one of metal materials with excellent comprehensive properties, has high temperature resistance, good heat conductivity and the like, and is applied to various primary mold glass molds and accessories.
The glass mould made of the copper alloy material not only can ensure the appearance quality of glass products, but also can adapt to long-time and high-machine speed complex working conditions in the production process of the glass products and the like, and meets the service life of the glass mould required by the market, so the invention specifically explains the accessory from the bottom of the copper alloy glass mould to the material and the preparation thereof.
In the traditional copper alloy, a large amount of noble metals such as nickel, cobalt and the like are required to be added in the casting process to improve the comprehensive properties of the alloy, such as oxidation resistance, thermal conductivity, tensile strength and the like, and cooling and heat dissipation are required to be carried out by machining a heat dissipation hole through mechanical equipment and matching with another accessory air plate, so that the complexity and difficulty of machining are increased in an intangible way, the cooling effect of the copper alloy in the use process is improved, and the copper alloy is a non-negligible important cost factor in the preparation process of a glass die bottom as a machining part.
In the disclosed patent document, as described in CN103203447a, a "casting method of a glass mold bottom", a technician creatively combines a mold bottom seat in the mold bottom with a molding portion of a glass contact surface by adopting an iron casting and adopting a copper alloy in a cast-in manner, so as to reduce the use cost of the copper alloy, but the technology is used for a long time on-machine, because physical parameters such as the thermal expansion coefficient and the heat conductivity coefficient of cast iron and the copper alloy are inconsistent, gaps are gradually generated on the bonding surface after repeated heating, and a high-temperature glass liquid material drills into the bonding surface along with gaps, gradually expands along with the bonding surface, finally falls off, so that the service life of the on-machine of the mold bottom is reduced.
In summary, how to reasonably select chemical elements and mass percentages thereof of the copper alloy glass mold, and reduce the investment of precious metals, and also enable the copper alloy to have excellent performance, and the heat dissipation working condition of the glass mold is enhanced by changing the structure of the mold, the heat conduction performance is enhanced, the machining cost is reduced, and the like are the technical difficulties of pursuing breakthrough in the invention, and the preparation scheme of the mold bottom of the copper alloy glass mold, which will be described below, is generated under the background.
Disclosure of Invention
The invention aims to solve the problems and designs a high-heat-conductivity copper alloy glass mold bottom and a preparation method thereof.
The technical scheme for achieving the purpose is that the preparation method of the high-heat-conductivity copper alloy glass mold bottom comprises the following steps of:
step one: designing a mold bottom;
step two: modeling;
step three: smelting;
step four: pouring;
step five: discharging from the box;
step six: and (5) heat treatment.
As a further description of the technical scheme, in the first step, the designed mold base is semi-elliptical, the hollow is provided with radiating fins, and the mold base of the glass mold is designed, so that the wood mold is manufactured.
As a further description of the technical scheme, in the second step, a radiating fin sand mold is manufactured first, then a mold bottom sand mold is manufactured, and the radiating fin sand mold is fixed in the mold bottom sand mold to be poured.
As a further description of the technical scheme, in the third step, a production raw material of the high-heat-conductivity copper alloy glass mold bottom is prepared, wherein the production raw material comprises the following chemical elements in percentage by mass: 1-3.5% nickel, 32-43% zinc, 5-6.5% aluminum and 0.5-1.0% silicon, the remainder being copper.
As a further description of the present technical solution, the smelting process is as follows: according to the mass components, electrolytic copper is added into a medium frequency electric furnace, after melting, zinc-aluminum alloy is added into the medium frequency electric furnace, nickel plates are added into the medium frequency electric furnace, finally silicon is added into the medium frequency electric furnace, after the temperature of copper water reaches 1400-1450 ℃, component analysis is carried out through spectrum, component adjustment is carried out, the temperature is increased to 1450-1470 ℃, and slag is removed, thus obtaining copper liquid to be poured.
As further description of the technical scheme, in the fourth step, the copper liquid is poured into a copper mold bottom sand mold, and phosphorus copper accounting for 0.5-0.8% of the total copper water in the ladle is placed in the ladle for deoxidizing and removing impurities, so that shrinkage cavity is reduced.
As further description of the technical scheme, in the fifth step, pouring is completed, cooling to 150-200 ℃, opening a box to perform water explosion sand removal, using cold water as a medium, removing molding sand on the surface, and quenching to improve the hardness of the mold bottom.
As a further description of the technical scheme, in the step six, the mold bottom is subjected to heat treatment at the treatment temperature of 400-550 ℃ for 5-6H, and is cooled to room temperature and then is subjected to standby machining.
The middle part of the die bottom is hollow, and 4 radiating fins are arranged in the hollow position of the middle part of the die bottom.
As a further description of the present technical solution, the middle hollow of the mold bottom is semi-elliptical.
The copper matrix in the formula of the technical scheme has good toughness and excellent heat conductivity, so that the requirement of producing glass products at high machine speed can be met; nickel which can be infinitely compatible with the matrix copper can reflect stronger corrosion resistance, can enhance the stress resistance and toughness, has great solid solubility of zinc in copper alloy and has solid solution strengthening effect; aluminum can increase the oxidation resistance and hardness of the copper alloy; and the heat radiating fins are arranged in the structure of the die bottom, so that the heat radiating area is greatly increased, and the corresponding machining difficulty and workload are not brought, and the heat conducting performance of the die bottom of the copper alloy glass die can play an excellent role.
Drawings
FIG. 1 is a schematic view of the structure of the left mold half of the present invention;
FIG. 2 is a schematic view of the right half of the present invention;
FIG. 3 is a schematic diagram of the assembled construction of the left and right mold halves of the present invention;
FIG. 4 is a schematic view of a heat sink fin sand mold structure of the present invention;
FIG. 5 is a schematic view of the wood pattern structure of the present invention;
fig. 6 is a schematic view of the mold bottom structure of the present invention.
Detailed Description
The invention will be described in detail below, and a method for preparing a high heat conduction copper alloy glass mold bottom comprises the following steps:
step one: designing a mold bottom; in the first step, the designed mold base is semi-elliptic, the hollow is provided with radiating fins, and the mold base of the glass mold is designed, so that the wood mold is manufactured.
Step two: modeling; in the second step, a radiating fin sand mold is manufactured firstly, then a mold bottom sand mold is manufactured, and the radiating fin sand mold is fixed in the mold bottom sand mold to be poured.
Step three: smelting; in the third step, preparing a production raw material of the high-heat-conductivity copper alloy glass mold bottom, wherein the production raw material comprises the following chemical elements in percentage by mass: 1-3.5% nickel, 32-43% zinc, 5-6.5% aluminum and 0.5-1.0% silicon, the remainder being copper; the smelting process is as follows: according to the mass components, electrolytic copper is added into a medium frequency electric furnace, after melting, zinc-aluminum alloy is added into the medium frequency electric furnace, nickel plates are added into the medium frequency electric furnace, finally silicon is added into the medium frequency electric furnace, after the temperature of copper water reaches 1400-1450 ℃, component analysis is carried out through spectrum, component adjustment is carried out, the temperature is increased to 1450-1470 ℃, and slag is removed, thus obtaining copper liquid to be poured.
Step four: pouring; in the fourth step, the copper liquid is poured into a copper mold bottom sand mold, and phosphorus copper accounting for 0.5-0.8% of the total copper water in the ladle is placed in the ladle for deoxidizing and impurity removing, so that shrinkage cavity is reduced.
Step five: discharging from the box; in the fifth step, pouring is completed, cooling to 150-200 ℃, opening a box to perform water explosion sand removal, using cold water as a medium, removing molding sand on the surface, and rapidly cooling to improve the hardness of the mold bottom.
Step six: and heat treatment, wherein in the step six, the mold bottom is subjected to heat treatment at the temperature of 400-550 ℃ for 5-6H, and the mold bottom is cooled to room temperature and then is subjected to standby machining.
The present invention is described in detail below with reference to the drawings so that the inventive and novel aspects of the present invention will be readily understood by those skilled in the art, thereby making a more clear definition of the scope of the present invention.
Example 1:
the high-heat-conductivity copper alloy glass mold base material with the radiating fins comprises the following chemical components: 1.6% nickel, 41% zinc, 5.6% aluminum and 0.8% silicon, the remainder being copper; the preparation method of the high-heat-conductivity copper alloy glass mold bottom with the radiating fins comprises the following steps of:
a) Designing a mold bottom, wherein the mold base is semi-elliptic and hollow and provided with 4 radiating fins, and then manufacturing a wood mold;
b) Molding, namely firstly manufacturing a radiating fin sand mold, then manufacturing a mold bottom sand mold, fixing the radiating fin sand mold in the mold bottom sand mold, and pouring;
c) Smelting, namely adding electrolytic copper (grade A cathode electrolytic copper with the name of Cu-CATH-1) into an intermediate frequency electric furnace according to the mass components, adding pre-smelted zinc (electrolytic zinc ingot with the name of 0# electrolytic zinc ingot) to aluminum (electrolytic aluminum with the name of 1060) alloy after smelting, adding nickel (with the name of Ni 9996), finally adding silicon (with the name of 3303# metallic silicon), carrying out component analysis through a spectrum after the temperature of copper water reaches 1425 ℃, and then regulating the components, heating to 1463 ℃, and deslagging to obtain copper liquid to be poured;
d) Pouring, namely pouring copper liquid into a copper mold bottom sand mold, and placing phosphorus copper accounting for 0.5-0.8% of the total copper water in the ladle for deoxidizing and removing impurities, thereby reducing shrinkage cavity;
e) Discharging from the box, pouring, cooling to 150-200deg.C, opening the box to remove sand by water explosion, removing molding sand on the surface with cold water, and quenching to improve hardness of the mold bottom;
f) Heat treatment, namely heat treating the die bottom at 480 ℃ for 5.5H, cooling to room temperature and waiting for machining;
example 2:
the high heat conduction copper alloy glass mold base material with the radiating fins comprises the following chemical components: 3.1% nickel, 36% zinc, 5.9% aluminum and 0.7% silicon, the remainder being copper; the preparation method of the high-heat-conductivity copper alloy glass mold bottom with the radiating fins comprises the following steps of:
a) Designing a mold bottom, wherein the mold base is semi-elliptic and hollow and provided with 4 radiating fins, and then manufacturing a wood mold;
b) Molding, namely firstly manufacturing a radiating fin sand mold, then manufacturing a mold bottom sand mold, fixing the radiating fin sand mold in the mold bottom sand mold, and pouring;
c) Smelting, namely adding electrolytic copper (grade A cathode electrolytic copper with the name of Cu-CATH-1) into an intermediate frequency electric furnace according to the mass components, adding pre-smelted zinc (electrolytic zinc ingot with the name of 0# electrolytic zinc ingot) to aluminum (electrolytic aluminum with the name of 1060) alloy after smelting, adding nickel (with the name of Ni 9996), finally adding silicon (with the name of 3303# metallic silicon), carrying out component analysis after the temperature of copper water reaches 1430 ℃, and then regulating the components after spectrum heating to 1458 ℃, and deslagging to obtain copper liquid to be poured;
d) Pouring, namely pouring copper liquid into a copper mold bottom sand mold, and placing phosphorus copper accounting for 0.5-0.8% of the total copper water in the ladle for deoxidizing and removing impurities, thereby reducing shrinkage cavity;
e) Discharging from the box, pouring, cooling to 150-200deg.C, opening the box to remove sand by water explosion, removing molding sand on the surface with cold water, and quenching to improve hardness of the mold bottom;
f) Heat treatment, namely heat treating the die bottom at 475 ℃ for 5H, cooling to room temperature and waiting for machining;
example 3:
the high heat conduction copper alloy glass mold base material with the radiating fins comprises the following chemical components: 2.8% nickel, 38% zinc, 6.2% aluminum and 0.6% silicon, the remainder being copper; the preparation method of the high-heat-conductivity copper alloy glass mold bottom with the radiating fins comprises the following steps of:
a) Designing a mold bottom, wherein the mold base is semi-elliptic and hollow and provided with 4 radiating fins, and then manufacturing a wood mold;
b) Molding, namely firstly manufacturing a radiating fin sand mold, then manufacturing a mold bottom sand mold, fixing the radiating fin sand mold in the mold bottom sand mold, and pouring;
c) Smelting, namely adding electrolytic copper (grade A cathode electrolytic copper with the name of Cu-CATH-1) into an intermediate frequency electric furnace according to the mass components, adding pre-smelted zinc (electrolytic zinc ingot with the name of 0# electrolytic zinc ingot) to aluminum (electrolytic aluminum with the name of 1060) alloy after smelting, adding nickel (with the name of Ni 9996), finally adding silicon (with the name of 3303# metallic silicon), carrying out component analysis through a spectrum after the temperature of copper water reaches 1418 ℃, and then regulating the components, heating to 1452 ℃, and deslagging to obtain copper liquid to be poured;
d) Pouring, namely pouring copper liquid into a copper mold bottom sand mold, and placing phosphorus copper accounting for 0.5-0.8% of the total copper water in the ladle for deoxidizing and removing impurities, thereby reducing shrinkage cavity;
e) Discharging from the box, pouring, cooling to 150-200deg.C, opening the box to remove sand by water explosion, removing molding sand on the surface with cold water, and quenching to improve hardness of the mold bottom;
f) Heat treatment, namely heat treating the die bottom at 465 ℃ for 6H, cooling to room temperature and waiting for mechanical processing;
referring to fig. 6, the fin structure of the present invention is a semi-elliptical shape in the middle of the mold base, and is hollow, and then has 4 fins, which are integrally cast.
Firstly, through the combination of the left half mould and the right half mould in fig. 1 and 2, fins are inserted, as shown in fig. 3, a mould of a mould bottom sand mould is formed, then PEP-SET resin sand is filled, after 10 minutes, the mould is lifted, 4 radiating fins are respectively lifted off, and then the left half mould and the right half mould are separated, so that the radiating fin sand mould is obtained, namely fig. 4.
Fig. 5 shows a wood die bottom, molding to obtain a die bottom sand mold, and assembling the radiating fin sand mold obtained in the last step into the die bottom sand mold to obtain the sand mold of the whole die bottom.
The middle part of the die bottom is hollow, 4 radiating fins are arranged in the hollow position of the middle part of the die bottom, and the hollow part of the die bottom is semi-elliptical.
According to three embodiments, the chemical components of the copper alloy are reasonably regulated, so that the comprehensive casting performance of the die can be improved without adding a large amount of noble metals, wherein zinc improves the fluidity of the copper alloy melt and the yield; wherein the heat dissipation fin mechanism way dissipates heat to further improve the heat conductivity.
The copper matrix in the formula of the technical scheme has good toughness and excellent heat conductivity, so that the requirements of high-speed glass product production can be met; nickel which can be infinitely compatible with the matrix copper can reflect stronger corrosion resistance, can enhance the stress resistance and toughness, has great solid solubility of zinc in copper alloy and has solid solution strengthening effect; aluminum can increase the oxidation resistance and hardness of the copper alloy; and the heat radiating fins are arranged in the structure of the die bottom, so that the heat radiating area is greatly increased, and the corresponding machining difficulty and workload are not brought, and the heat conducting performance of the die bottom of the copper alloy glass die can play an excellent role.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (5)
1. The preparation method of the high-heat-conductivity copper alloy glass mold bottom is characterized by comprising the following steps of:
step one: designing a mold bottom;
step two: modeling;
step three: smelting;
step four: pouring;
step five: discharging from the box;
step six: heat treatment;
in the first step, the designed mold base is semi-elliptic, the hollow is provided with radiating fins, and the mold base of the glass mold is designed, so that a wood mold is manufactured;
firstly manufacturing a radiating fin sand mould, then manufacturing a mould bottom sand mould, fixing the radiating fin sand mould in the mould bottom sand mould, and pouring;
in the third step, preparing a production raw material of the high-heat-conductivity copper alloy glass mold bottom, wherein the production raw material comprises the following chemical elements in percentage by mass: 1-3.5% nickel, 32-43% zinc, 5-6.5% aluminum and 0.5-1.0% silicon, the remainder being copper;
the smelting process is as follows: according to the mass components, electrolytic copper is added into a medium frequency electric furnace, after melting, zinc-aluminum alloy is added into the medium frequency electric furnace, nickel plates are added into the medium frequency electric furnace, finally silicon is added, after the temperature of copper water reaches 1400-1450 ℃, component analysis is carried out through a spectrum, component adjustment is carried out, the temperature is increased to 1450-1470 ℃, and slag is removed, so that copper liquid to be poured is obtained;
in the fourth step, the copper liquid is poured into a copper mold bottom sand mold, and phosphorus copper accounting for 0.5-0.8% of the total copper water in the ladle is placed in the ladle for deoxidizing and impurity removing, so that shrinkage cavity is reduced.
2. The method for preparing the high-heat-conductivity copper alloy glass mold bottom according to claim 1, wherein in the fifth step, pouring is completed, cooling is carried out to 150-200 ℃, water explosion sand removal is carried out by opening a box, the used medium is cold water, molding sand on the surface is removed, and hardness of the mold bottom is improved through quenching.
3. The method for preparing the high-heat-conductivity copper alloy glass mold bottom according to claim 1, wherein in the step six, the mold bottom is subjected to heat treatment at 400-550 ℃ for 5-6H, and is cooled to room temperature and then subjected to standby machining.
4. A high thermal conductivity copper alloy glass mold bottom manufactured by the method for manufacturing the high thermal conductivity copper alloy glass mold bottom according to any one of claims 1 to 3, wherein the middle part of the mold bottom is hollow, and 4 radiating fins are arranged in the hollow position of the middle part of the mold bottom.
5. The high heat conduction copper alloy glass mold bottom manufactured by the method for manufacturing the high heat conduction copper alloy glass mold bottom according to claim 4, wherein the middle hollow shape of the mold bottom is semi-elliptical.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732745A (en) * | 2012-07-12 | 2012-10-17 | 常熟市精工模具制造有限公司 | High-Ni-Cu alloy glass mold and method for manufacturing same |
| CN103173648A (en) * | 2013-03-05 | 2013-06-26 | 苏州东海玻璃模具有限公司 | Copper alloy glass mold port-die material and preparation method thereof |
| CN106566946A (en) * | 2016-10-19 | 2017-04-19 | 苏州东方模具科技股份有限公司 | Rare earth-copper alloy glass mold and preparation method thereof |
| CN109338155A (en) * | 2018-12-13 | 2019-02-15 | 常熟建华模具科技股份有限公司 | Rare-earth copper alloy lightweight glass mold and preparation method thereof |
| CN111334684A (en) * | 2020-03-20 | 2020-06-26 | 苏州东方模具科技股份有限公司 | Solid solution state high-toughness high-heat-conductivity copper alloy glass mold and preparation method thereof |
-
2022
- 2022-02-28 CN CN202210185662.5A patent/CN114558988B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732745A (en) * | 2012-07-12 | 2012-10-17 | 常熟市精工模具制造有限公司 | High-Ni-Cu alloy glass mold and method for manufacturing same |
| CN103173648A (en) * | 2013-03-05 | 2013-06-26 | 苏州东海玻璃模具有限公司 | Copper alloy glass mold port-die material and preparation method thereof |
| CN106566946A (en) * | 2016-10-19 | 2017-04-19 | 苏州东方模具科技股份有限公司 | Rare earth-copper alloy glass mold and preparation method thereof |
| CN109338155A (en) * | 2018-12-13 | 2019-02-15 | 常熟建华模具科技股份有限公司 | Rare-earth copper alloy lightweight glass mold and preparation method thereof |
| CN111334684A (en) * | 2020-03-20 | 2020-06-26 | 苏州东方模具科技股份有限公司 | Solid solution state high-toughness high-heat-conductivity copper alloy glass mold and preparation method thereof |
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