CN111504065A - Silver-based alloy bonding wire alloy material smelting equipment - Google Patents
Silver-based alloy bonding wire alloy material smelting equipment Download PDFInfo
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- CN111504065A CN111504065A CN202010238689.7A CN202010238689A CN111504065A CN 111504065 A CN111504065 A CN 111504065A CN 202010238689 A CN202010238689 A CN 202010238689A CN 111504065 A CN111504065 A CN 111504065A
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- 238000003723 Smelting Methods 0.000 title claims abstract description 105
- 239000000956 alloy Substances 0.000 title claims abstract description 71
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 48
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 14
- 239000004332 silver Substances 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000005266 casting Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 71
- 229910002804 graphite Inorganic materials 0.000 claims description 71
- 239000010439 graphite Substances 0.000 claims description 71
- 238000002844 melting Methods 0.000 claims description 45
- 230000008018 melting Effects 0.000 claims description 45
- 239000007789 gas Substances 0.000 claims description 27
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 25
- 239000002184 metal Substances 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 5
- 229910001316 Ag alloy Inorganic materials 0.000 abstract description 2
- 230000009365 direct transmission Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 10
- 239000007787 solid Substances 0.000 description 8
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052756 noble gas Inorganic materials 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004100 electronic packaging Methods 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/10—Crucibles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
- F27B2014/045—Vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
- F27B2014/0818—Discharging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0887—Movement of the melt
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/13—Smelting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The invention provides alloy material smelting equipment for a silver-based alloy bonding wire, which comprises a vacuum smelting furnace body for smelting an alloy material, an alloy smelting mechanism for smelting the alloy material and an alloy casting mechanism for performing primary pouring on an alloy in a molten state, wherein the bottom of the vacuum smelting furnace body is fixedly connected with a supporting leg, and the top of the vacuum smelting furnace body is in an open state, and relates to the field of bonding wires. According to the practical problems existing in the existing silver alloy bonding wire material smelting process, the special smelting mechanism capable of realizing rapid solid-liquid separation in a layered state and continuously improving the smelting speed along with the change of metal is formulated, so that the problems that the real-time solid-liquid separation is difficult to realize in the use of a common smelting furnace, the direct transmission of temperature is influenced, the material is easily affected by the shape and the material in the smelting process and is not uniformly distributed, and the smelting efficiency is influenced are solved.
Description
Technical Field
The invention relates to the technical field of bonding wires, in particular to alloy material smelting equipment for a silver-based alloy bonding wire.
Background
The bonding wire is used for connecting a silicon chip electrode and a lead frame external leading-out terminal, transmitting a chip electrical signal, dissipating heat generated in a chip, and being a key material for integrated circuit packaging, the wire bonding is a centralized embodiment of a tiny characteristic size and a great yield of semiconductor production, the former is shown on a constantly reduced wire spacing, the latter is shown on a gradually improved production efficiency, the superfine spacing wire bonding requires a wire with a thinner wire diameter and higher strength and reliability, the superfine spacing wire bonding requires a wire with a smaller melting point and higher melting point than a melting point of a melting furnace, the melting point of the melting wire bonding material is increased rapidly in a large-scale integrated circuit and L ED packaging, the requirements for a bonding wire with high performance, superfine wire diameter and low cost are increased rapidly, the chip density is increased continuously, the reliability of the bonding wire material is required to be higher, the gold bonding wire has excellent stability, is widely applied in the packaging field, but the bonding wire has a high price in electronic packaging, the bonding silver wire has excellent electrical performance due to high-frequency noise of a device, high-power and the like, and the heat generated by the melting point of the melting wire bonding wire, and the melting point of the melting wire bonding wire, the melting point of the melting wire, the melting wire bonding material is reduced, and the melting point of the melting wire bonding wire, the melting point of the melting wire bonding material is increased.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides alloy material smelting equipment for a silver-based alloy bonding wire, which solves the problems that a common smelting furnace is difficult to realize real-time solid-liquid separation when in use, direct temperature transfer is influenced, materials are easily and unevenly distributed due to the influence of shapes and materials in the smelting process, and the smelting efficiency is influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an alloy material smelting device for a silver-based alloy bonding wire comprises a vacuum smelting furnace body for smelting an alloy material, an alloy smelting mechanism for smelting the alloy material and an alloy casting mechanism for casting an alloy in a molten state primarily, wherein the bottom of the vacuum smelting furnace body is fixedly connected with supporting legs, the top of the vacuum smelting furnace body is in an open state, the top of the vacuum smelting furnace body is covered with a sealing furnace cover, the top of the sealing furnace cover is fixedly connected with a hanging ring, the alloy smelting mechanism is arranged inside the vacuum smelting furnace body, the alloy casting mechanism is arranged below the alloy smelting mechanism, an exhaust pipe is sleeved on the surface of the vacuum smelting furnace body, and a control valve is fixedly arranged on the surface of the exhaust pipe, and tempered observation glass is arranged on the surface of the vacuum smelting furnace body.
Preferably, the alloy smelting mechanism includes two back shafts, first graphite crucible, second graphite crucible, graphite go-between, smelting ware, intermediate frequency induction heater and arc gas-supply pipe, the first graphite crucible of last fixed surface of graphite go-between, the lower fixed surface of graphite go-between is connected with second graphite crucible, two the fixed surface of back shaft is connected with the fixed surface of graphite go-between, the surface of vacuum melting furnace body is provided with the bearing, the surface of back shaft and the inner circle fixed connection of bearing, the smelting ware sets up on graphite go-between, the inner wall of first graphite crucible is seted up and is had the ring retaining groove, the inner wall arc form in ring retaining groove, the inner wall of first graphite crucible is the slope form.
Preferably, medium frequency induction heaters are fixedly installed on the surfaces of the first graphite crucible and the second graphite crucible, an input end of each medium frequency induction heater is electrically connected with a cable, one end of each cable penetrates through and extends to the outside of the vacuum smelting furnace body, and an input end of each cable is communicated with an output end of an external power supply.
Preferably, the inner wall fixedly connected with supporting shoe of vacuum melting furnace body, the fixed surface of supporting shoe is connected with the arc gas-supply pipe, the gas outlet groove has been seted up on the surface of arc gas-supply pipe, first gas-supply pipe has been cup jointed on the surface of arc gas-supply pipe, the one end of first gas-supply pipe runs through and extends to the outside of vacuum melting furnace body, the arc gas-supply pipe is located the top of first graphite crucible, the perpendicular distance of arc gas-supply pipe distance first graphite crucible top is 10 cm.
Preferably, the structure of smelting device includes the centrum, centrum and connecting pipe down, the material of going up centrum, centrum and connecting pipe all includes graphite down, the surface of going up the centrum is the bellied toper form that makes progress, the surface of centrum is bellied toper form downwards, the bottom edge of going up the centrum and the one end fixed connection of connecting pipe, the top edge of centrum and the other end fixed connection of connecting pipe down, go up the centrum, be cavity form down between centrum and the connecting pipe, a plurality of first gas pocket has been seted up on the surface of going up the centrum, a plurality of second gas pocket has been seted up on the surface of centrum down, the inner wall of first gas pocket and second gas pocket all is the slope form, the surface of centrum articulates down has arc graphite baffle.
Preferably, the surface of connecting pipe and the inner wall fixed connection of graphite go-between, be provided with two arc weeping groove between the surface of connecting pipe and the inner wall of graphite go-between, the left side the inside of back shaft is provided with the gas transmission hole, the air inlet has been seted up on the surface of connecting pipe, the one end of gas transmission hole and the one end fixed connection of air inlet, left side the second gas-supply pipe has been cup jointed to the one end that the back shaft is located the outside of vacuum melting furnace body, the gas of first gas-supply pipe and second gas-supply pipe input is the noble gas argon gas, the right side the one end of back shaft is run through and is extended to the outside of vacuum melting furnace body, the right side the back shaft is located.
Preferably, the alloy casting mechanism comprises a pouring device, a butt-joint ring, an empty groove, a plurality of pouring vertical holes and a bottom sealing plate, the butt-joint ring is fixedly connected to the top of the pouring device, the empty groove is formed in the pouring device, the plurality of pouring vertical holes are formed in the pouring device, the diameter of each pouring vertical hole is 3mm, the bottom end of the pouring device penetrates through the bottom of the pouring device and extends to the outer side of the bottom of a vacuum smelting furnace body, the bottom sealing plate is buckled on the surface of the pouring device, and the bottom sealing plate, the pouring device and the butt-joint ring are made of graphite.
(III) advantageous effects
(1) According to the invention, by arranging the alloy smelting mechanism, different materials can be automatically separated from liquid metal in the smelting process, and the liquid metal is automatically separated under the diversion of softened metal or a conical structure, so that solid-liquid partition is realized, the consumption of mutual heat transfer between solid and liquid can be avoided, the smelting speed of the solid metal is increased, and the smelting efficiency is further improved.
(2) The smelting device is arranged, so that on one hand, the smelting device can separate solid and liquid of metal in the smelting process, on the other hand, in the gradual smelting and refining process of the metal, the wind force of blown rare gas is utilized to promote dispersed metal to continuously move in the graphite crucible, the uneven dispersion of the material can be avoided, the oxidation of the metal can be avoided, the metal in a solution state can be pneumatically mixed below, the uniformity of the alloy material in the solution state is improved, and the smelting efficiency is improved.
(3) According to the invention, the alloy melting mechanism is arranged, so that the alloy melting structure can be rotated, and the alloy melting mechanism is further matched to mix the bubbles of the metal solution, so that the uniformity of the solution is further promoted, and then the metal solution is extruded by air pressure, so that the metal solution is promoted to rapidly flow to complete pouring.
(4) According to the practical problems existing in the material smelting process of the existing silver alloy bonding wire, the invention sets a special smelting mechanism which can realize rapid solid-liquid separation in a layered state and continuously improve the smelting speed along with the change of metal, and solves the problems that the real-time solid-liquid separation is difficult to realize when a common smelting furnace is used, the direct transmission of temperature is influenced, the material is easily and unevenly distributed due to the influence of the shape and the material in the smelting process, and the smelting efficiency is influenced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the vacuum melting furnace body according to the present invention;
FIG. 3 is a cross-sectional view of the structure of the melting vessel of the present invention;
figure 4 is a cross-sectional view of a casting structure of the present invention.
The device comprises a vacuum smelting furnace body 1, an alloy smelting mechanism 2, a support shaft 21, a first graphite crucible 22, a second graphite crucible 23, a graphite connecting ring 24, a smelting device 25, an upper cone 251, a lower cone 252, a connecting pipe 253, a first air hole 254, a second air hole 255, a 256 air inlet, an arc graphite baffle 257, a medium-frequency induction heater 26, an arc air pipe 27, a 28 cable, a 29 support block, an air outlet groove 210, a first air pipe 211, an arc liquid leakage groove 212, an air transmission hole 213, a second air pipe 214, an operating handle 215, a ring baffle groove 216, an alloy casting mechanism 3, a casting device 31, a butt joint ring 32, a hollow groove 33, a vertical casting hole 34, a bottom sealing plate 35, a support leg 4, a sealing furnace cover 5, a hanging ring 6, an exhaust pipe 7 and a control valve 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, an embodiment of the present invention provides an alloy material melting apparatus for a silver-based alloy bonding wire, including a vacuum melting furnace body 1 for melting an alloy material, an alloy melting mechanism 2 for melting an alloy material, and an alloy casting mechanism 3 for casting an alloy in a molten state, wherein a support leg 4 is fixedly connected to a bottom of the vacuum melting furnace body 1, a top of the vacuum melting furnace body 1 is in an open state, a sealing furnace cover 5 is covered on the top of the vacuum melting furnace body 1, a suspension ring 6 is fixedly connected to a top of the sealing furnace cover 5, the alloy melting mechanism 2 is disposed inside the vacuum melting furnace body 1, the alloy casting mechanism 3 is disposed below the alloy melting mechanism 2, an exhaust tube 7 is sleeved on a surface of the vacuum melting furnace body 1, the surface of the exhaust tube 7 is fixedly provided with a control valve 8, and the surface of the vacuum smelting furnace body 1 is provided with toughened observation glass.
The alloy smelting mechanism 2 comprises two support shafts 21, a first graphite crucible 22, a second graphite crucible 23, a graphite connecting ring 24, a smelting device 25, a medium frequency induction heater 26 and an arc gas conveying pipe 27, wherein the upper surface of the graphite connecting ring 24 is fixedly connected with the first graphite crucible 22, the lower surface of the graphite connecting ring 24 is fixedly connected with the second graphite crucible 23, the surfaces of the two support shafts 21 are fixedly connected with the surface of the graphite connecting ring 24, a bearing is arranged on the surface of the vacuum smelting furnace body 1, the surface of the support shaft 21 is fixedly connected with an inner ring of the bearing, the smelting device 25 is arranged on the graphite connecting ring 24, the inner wall of the first graphite crucible 22 is provided with a ring retaining groove 216, the inner wall of the ring retaining groove 216 is arc-shaped, the inner wall of the first graphite crucible 22 is inclined, the surface of the first graphite crucible 22 and the surface of the second graphite crucible 23 are, the input end of the medium frequency induction heater 26 is electrically connected with a cable 28, one end of the cable 28 penetrates through and extends to the outside of the vacuum smelting furnace body 1, the input end of the cable 28 is communicated with the output end of an external power supply, the inner wall of the vacuum smelting furnace body 1 is fixedly connected with a supporting block 29, the surface of the supporting block 29 is fixedly connected with an arc-shaped air conveying pipe 27, the surface of the arc-shaped air conveying pipe 27 is provided with an air outlet groove 210, the surface of the arc-shaped air conveying pipe 27 is sleeved with a first air conveying pipe 211, one end of the first air conveying pipe 211 penetrates through and extends to the outside of the vacuum smelting furnace body 1, the arc-shaped air conveying pipe 27 is positioned above a first graphite crucible 22, the vertical distance from the arc-shaped air conveying pipe 27 to the top of the first graphite crucible 22 is 10cm, the smelting device 25 structurally comprises an upper cone 251, a lower cone 252 and, the surface of the upper cone 251 is in a upwards convex conical shape, the surface of the lower cone 252 is in a downwards convex conical shape, the bottom edge of the upper cone 251 is fixedly connected with one end of the connecting pipe 253, the top edge of the lower cone 252 is fixedly connected with the other end of the connecting pipe 253, the upper cone 251, the lower cone 252 and the connecting pipe 253 are hollow, the surface of the upper cone 251 is provided with a plurality of first air holes 254, the surface of the lower cone 252 is provided with a plurality of second air holes 255, the inner walls of the first air holes 254 and the second air holes 255 are both in an inclined shape, the surface of the lower cone 252 is hinged with an arc-shaped graphite baffle 257, the surface of the connecting pipe 253 is fixedly connected with the inner wall of the graphite connecting ring 24, two arc-shaped liquid leakage grooves 212 are arranged between the surface of the connecting pipe 253 and the inner wall of the graphite connecting ring 24, the inside of the left side, one end of gas transmission hole 213 and the one end fixed connection of air inlet 256, the one end that left side back shaft 21 is located the outside of vacuum smelting furnace body 1 has cup jointed second gas-supply pipe 214, and the gas of first gas-supply pipe 211 and the input of second gas-supply pipe 214 is the noble gas argon gas, and the one end of right side back shaft 21 runs through and extends to the outside of vacuum smelting furnace body 1, and the one end fixedly connected with handle 215 that right side back shaft 21 is located the outside of vacuum smelting furnace body 1.
Alloy founding mechanism 3 is including pouring ware 31, butt joint ring 32, dead slot 33, vertical hole 34 and bottom shrouding 35 are pour to a plurality of, butt joint ring 32 fixed connection is at the top of pouring ware 31, the inside of pouring ware 31 is provided with dead slot 33, the inside of pouring ware 31 is provided with a plurality of and pours vertical hole 34, the diameter of pouring vertical hole 34 is 3mm, the bottom of pouring ware 31 runs through and extends to the bottom outside of vacuum smelting furnace body 1, the surface lock joint of pouring ware 31 has bottom shrouding 35, the material of pouring ware 31 and butt joint ring 32 all includes graphite.
When in use, the power supply is connected, metal materials with low melting point are placed on the lower layer in the first graphite crucible 22 according to the metal proportion and the melting point, then materials with high melting point are placed on the upper layer, the sealing furnace cover 5 is changed to be above the vacuum smelting furnace body 1, air in the vacuum smelting furnace body 1 is sucked through the exhaust tube 7 until the interior of the vacuum smelting furnace body 1 is sucked to a high vacuum state, then rare gas argon is input through the first air pipe 211 and the second air pipe 214, the vacuum degree in the vacuum smelting furnace body 1 is reduced, then air in the vacuum smelting furnace body 1 is sucked through the exhaust tube 7 again, the input quantity of the second air pipe 214 and the first air pipe 211 is kept consistent with the suction quantity of the exhaust tube 7 until the air in the vacuum smelting furnace body 1 is completely replaced by argon, the high vacuum state in the vacuum furnace body 1 is kept, then, the power is supplied, the metal in the first graphite crucible 22 starts to be heated and melted, the melted part of the metal with a large area is softened, the melted metal with a small proportion falls into the second graphite crucible 23 along the flowing arc-shaped liquid leakage groove 212 or the first air hole 254, when the solid metal is smaller and more and the metal in the second graphite crucible 23 is smaller and more, the second air pipe 214 blows the solid metal upwards through the argon blown from the air delivery hole 213, the first air hole 254 and the second air hole 255, the solid metal is continuously mixed under the action of the inner wall of the first graphite crucible 22 and the inclined surface of the upper cone 251 to promote the uniform distribution of the solid metal, the temperature is uniformly raised, the gas below is directly blown into the metal to promote the uniform distribution of the components in the metal solution, and the first graphite crucible 22 is rotated through the operation handle 215 until the solid metal is completely melted, make the one end of first graphite crucible 22 face to the one end of docking ring 32, argon gas is upwards at this moment through second gas pocket 255 drumming the metallic solution and further mix, metallic solution enters into the upper cone 251 through second gas pocket 255 inside, then under the effect of the argon gas that blows downwards quick entering into dead slot 33 inside, argon gas blows around the molten metal for the quick flow of metallic solution enters into each and pours vertical hole 34 internal cooling.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (7)
1. The utility model provides a silver-based alloy bonding wire alloy material melting equipment which characterized in that: the alloy smelting furnace comprises a vacuum smelting furnace body (1) for smelting alloy materials, an alloy smelting mechanism (2) for smelting alloy materials and an alloy casting mechanism (3) for casting molten alloy preliminarily, wherein supporting legs (4) are fixedly connected to the bottom of the vacuum smelting furnace body (1), the top of the vacuum smelting furnace body (1) is in an open state, a sealed furnace cover (5) is covered at the top of the vacuum smelting furnace body (1), a hanging ring (6) is fixedly connected to the top of the sealed furnace cover (5), the alloy smelting mechanism (2) is arranged inside the vacuum smelting furnace body (1), the alloy casting mechanism (3) is arranged below the alloy smelting mechanism (2), and an exhaust pipe (7) is sleeved on the surface of the vacuum smelting furnace body (1), the surface of the exhaust tube (7) is fixedly provided with a control valve (8), and the surface of the vacuum smelting furnace body (1) is provided with toughened observation glass.
2. The equipment for smelting the alloy material of the silver-based alloy bonding wire according to claim 1, wherein: the alloy smelting mechanism (2) comprises two support shafts (21), a first graphite crucible (22), a second graphite crucible (23), a graphite connecting ring (24), a smelting device (25), a medium-frequency induction heater (26) and an arc gas conveying pipe (27), wherein the upper surface of the graphite connecting ring (24) is fixedly connected with the first graphite crucible (22), the lower surface of the graphite connecting ring (24) is fixedly connected with the second graphite crucible (23), the surfaces of the two support shafts (21) are fixedly connected with the surface of the graphite connecting ring (24), the surface of the vacuum smelting furnace body (1) is provided with a bearing, the surface of the support shaft (21) is fixedly connected with an inner ring of the bearing, the smelting device (25) is arranged on the graphite connecting ring (24), the inner wall of the first graphite crucible (22) is provided with a ring retaining groove (216), and the inner wall of the ring retaining groove (216) is arc-shaped, the inner wall of the first graphite crucible (22) is inclined.
3. The equipment for smelting the alloy material of the silver-based alloy bonding wire according to claim 2, wherein: the surface of the first graphite crucible (22) and the surface of the second graphite crucible (23) are fixedly provided with medium-frequency induction heaters (26), the input end of each medium-frequency induction heater (26) is electrically connected with a cable (28), one end of each cable (28) penetrates through and extends to the outside of the vacuum smelting furnace body (1), and the input end of each cable (28) is communicated with the output end of an external power supply.
4. The equipment for smelting the alloy material of the silver-based alloy bonding wire according to claim 1, wherein: the inner wall fixedly connected with supporting shoe (29) of vacuum melting furnace body (1), the fixed surface of supporting shoe (29) is connected with arc gas-supply pipe (27), go out gas tank (210) have been seted up on the surface of arc gas-supply pipe (27), first gas-supply pipe (211) have been cup jointed on the surface of arc gas-supply pipe (27), the one end of first gas-supply pipe (211) runs through and extends to the outside of vacuum melting furnace body (1), arc gas-supply pipe (27) are located the top of first graphite crucible (22), arc gas-supply pipe (27) are 10cm apart from the perpendicular distance at first graphite crucible (22) top.
5. The equipment for smelting the alloy material of the silver-based alloy bonding wire according to claim 2, wherein: the structure of the smelting device (25) comprises an upper cone body (251), a lower cone body (252) and a connecting pipe (253), wherein the upper cone body (251), the lower cone body (252) and the connecting pipe (253) are made of graphite, the surface of the upper cone body (251) is in an upwards convex conical shape, the surface of the lower cone body (252) is in a downwards convex conical shape, the bottom edge of the upper cone body (251) is fixedly connected with one end of the connecting pipe (253), the top edge of the lower cone body (252) is fixedly connected with the other end of the connecting pipe (253), the upper cone body (251), the lower cone body (252) and the connecting pipe (253) are hollow, a plurality of first air holes (254) are formed in the surface of the upper cone body (251), a plurality of second air holes (255) are formed in the surface of the lower cone body (252), and the inner walls of the first air holes (254) and the second air holes (255) are all in an inclined shape, the surface of the lower cone (252) is hinged with an arc graphite baffle (257).
6. The equipment for smelting the alloy material of the silver-based alloy bonding wire according to claim 5, wherein: the surface of the connecting pipe (253) is fixedly connected with the inner wall of the graphite connecting ring (24), two arc-shaped liquid leakage grooves (212) are arranged between the surface of the connecting pipe (253) and the inner wall of the graphite connecting ring (24), an air conveying hole (213) is arranged in the left supporting shaft (21), the surface of the connecting pipe (253) is provided with an air inlet (256), one end of the air transmission hole (213) is fixedly connected with one end of the air inlet (256), one end of the left supporting shaft (21) positioned outside the vacuum smelting furnace body (1) is sleeved with a second air transmission pipe (214), the gas input by the first gas transmission pipe (211) and the second gas transmission pipe (214) is rare gas argon, one end of the supporting shaft (21) on the right side penetrates through and extends to the outside of the vacuum smelting furnace body (1), and one end, located outside the vacuum smelting furnace body (1), of the supporting shaft (21) on the right side is fixedly connected with an operating handle (215).
7. The equipment for smelting the alloy material of the silver-based alloy bonding wire according to claim 1, wherein: alloy founding mechanism (3) are including pouring ware (31), butt joint ring (32), dead slot (33), a plurality of pour vertical hole (34) and bottom shrouding (35), butt joint ring (32) fixed connection is at the top of pouring ware (31), the inside of pouring ware (31) is provided with dead slot (33), the inside of pouring ware (31) is provided with a plurality of and pours vertical hole (34), the diameter of pouring vertical hole (34) is 3mm, the bottom of pouring ware (31) is run through and is extended to the bottom outside of vacuum smelting furnace body (1), the surface lock joint of pouring ware (31) has bottom shrouding (35), the material of bottom shrouding (35), pouring ware (31) and butt joint ring (32) all includes graphite.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113369818A (en) * | 2021-06-24 | 2021-09-10 | 马桂英 | Magnetic steel and magnetic steel processing method |
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| CN111504065B (en) | 2021-09-10 |
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Denomination of invention: A Melting Equipment for Silver Based Alloy Bonding Wire Alloy Materials Effective date of registration: 20230323 Granted publication date: 20210910 Pledgee: Agricultural Bank of China Limited by Share Ltd. Chizhou branch Pledgor: ANHUI GUANGYU ELECTRONIC MATERIAL CO.,LTD. Registration number: Y2023980035970 |
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Granted publication date: 20210910 Pledgee: Agricultural Bank of China Limited by Share Ltd. Chizhou branch Pledgor: ANHUI GUANGYU ELECTRONIC MATERIAL CO.,LTD. Registration number: Y2023980035970 |
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Denomination of invention: A silver based alloy bonding wire alloy material melting equipment Granted publication date: 20210910 Pledgee: Agricultural Bank of China Limited Qingyang County Branch Pledgor: ANHUI GUANGYU ELECTRONIC MATERIAL CO.,LTD. Registration number: Y2024980014595 |