CN115289841A - Vacuum steel-making electric furnace - Google Patents
Vacuum steel-making electric furnace Download PDFInfo
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- CN115289841A CN115289841A CN202210914473.7A CN202210914473A CN115289841A CN 115289841 A CN115289841 A CN 115289841A CN 202210914473 A CN202210914473 A CN 202210914473A CN 115289841 A CN115289841 A CN 115289841A
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- 238000009628 steelmaking Methods 0.000 title claims abstract description 22
- 238000003723 Smelting Methods 0.000 claims abstract description 52
- 238000007599 discharging Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 238000001816 cooling Methods 0.000 abstract description 11
- 239000002184 metal Substances 0.000 description 7
- 238000012840 feeding operation Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 241001062472 Stokellia anisodon Species 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
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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
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
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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
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/06—Heating or cooling equipment
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/527—Charging of the electric furnace
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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
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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
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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
- F27B14/10—Crucibles
- F27B14/12—Covers therefor
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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
- F27B2014/008—Continuous casting
-
- 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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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention provides a vacuum steelmaking electric furnace which comprises a cabinet, a furnace body, a vacuum generating device, a smelting device and a funnel, wherein the furnace body is arranged at the top of the cabinet, a furnace cover is arranged at the top of the furnace body, the vacuum generating device is arranged at one side of the cabinet and is communicated with the furnace body through a pipeline; after molten steel is poured into the mold after steel making, the mold with the poured molten steel can be automatically rotated to a position below the protection part for cooling forming work, the empty mold can be rotated to a position coinciding with the axis of the furnace body while rotating, and the empty mold can be tightly pressed at the bottom of the furnace body after rotating in place, so that when the previous mold carries out cooling forming work on the molten steel, the empty mold can simultaneously carry out smelting and pouring work on a new cast ingot, the smelting, cooling and cast ingot blanking operations can be carried out simultaneously, the smelting efficiency is greatly improved, and the smelting work can be carried out in a pipeline manner.
Description
Technical Field
The invention relates to the technical field of vacuum induction smelting furnaces, in particular to a vacuum steelmaking electric furnace.
Background
The vacuum induction melting furnace forms a vacuum state in the furnace body through vacuum equipment, then heats metal through induction to melt the metal, and pours molten metal into a mold through a rotary melting device after the molten metal is melted to form a metal ingot; the existing vacuum induction smelting furnace cannot realize the running-water type smelting operation, the cast ingot needs to be waited for cooling and forming after one-time smelting operation is completed, the mold can be taken out and the cast ingot can be taken out, and then the mold is put into the inner side of the furnace body again to carry out the next smelting and casting operation, and the operation flow wastes time.
Therefore, there is a need to provide a new vacuum steelmaking furnace to solve the above problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides a vacuum steelmaking electric furnace.
The invention provides a vacuum steelmaking electric furnace, which comprises a cabinet, a furnace body, a vacuum generating device, a smelting device and a funnel, wherein the furnace body is arranged at the top of the cabinet, the top of the furnace body is provided with a furnace cover, the vacuum generating device is arranged at one side of the cabinet and is communicated with the furnace body through a pipeline, the smelting device is arranged on the side wall of the furnace body, the smelting end of the smelting device is positioned at the right middle position of the inner side of the furnace body, the funnel is fixed at the lower end of the inner wall of the furnace body, the vacuum steelmaking electric furnace further comprises a supporting rotating rod, a cross-shaped supporting frame, a connecting sleeve, a mold, a switching device, a feeding device and a protection piece, the bottom of the furnace body is arranged in a penetrating mode, the supporting rotating rod is rotatably connected to the top of the cabinet through a bearing, the cross-shaped supporting frame is fixed at the upper end of the supporting rotating rod, the connecting sleeve is distributed in an equidistant mode around the supporting rotating rod, the mold is inserted into the inner side of the connecting sleeve in a sliding mode, one mold positioned right below the furnace body is in pressing contact with the bottom of the furnace body and is communicated with the protection piece, the furnace body, the end of the furnace cover is opposite to a feeding device positioned at the axis position of the furnace body, the feeding device, the furnace body is fixed at the top of the protection piece and is positioned at the top of the protection piece.
Preferably, the switching device comprises a first supporting block, a worm, a first motor, a vertical rotating shaft, a first worm wheel, a driving wheel, a grooved wheel and a jacking assembly, wherein the first supporting blocks are sequentially fixed in the middle of the upper surface of the cabinet along the length direction of the cabinet, the two worms are sequentially arranged in the middle of the upper part of the cabinet along the length direction of the cabinet, two ends of each worm are rotatably connected with the first supporting block through bearings, the two worms are mutually fixed, the first motor is fixed on one side of the top of the cabinet, the end part of one worm close to one side of the first motor is fixed with the output end of the first motor, the vertical rotating shaft is rotatably connected to the top of the cabinet through a bearing, the first worm wheel is fixed on the outer wall of the vertical rotating shaft, the first worm wheel is meshed with one worm close to one side of the first motor, the driving wheel is fixed at the upper end of the vertical rotating shaft, the grooved wheel is fixed in the middle of the outer wall of the supporting rotating rod, the grooved wheel is matched with the driving wheel, and the jacking assembly is fixed at the position under the top of the cabinet.
Preferably, the jacking assembly comprises second supporting blocks, a transverse rotating shaft, a second worm wheel and a cam, the two second supporting blocks are symmetrically fixed on one side, close to the furnace body, of the top of the cabinet, the transverse rotating shaft is rotatably connected between the two second supporting blocks through a bearing, the second worm wheel is fixed on the outer wall of the transverse rotating shaft, the second worm wheel is meshed with a worm far away from one side of the first motor, the cam is fixed on the outer wall of the transverse rotating shaft, and the cam is in extrusion contact with the bottom of a die directly above the cam.
Preferably, the outer wall of the mould is fixed with spacing strips at equal intervals, and the bottom of the spacing strip outside the mould away from the axis of the furnace body is in contact with the top of the connecting sleeve.
Preferably, when the small-radius position outside the cam rotates to be positioned right below the furnace body, the mold positioned above the cam under the action of the limiting strip slides downwards to stop, and the bottom of the mold is separated from the outer wall of the cam in a non-contact state.
Preferably, a high-temperature-resistant sealing ring is fixed at the top of the mold.
Preferably, the feeding device comprises a charging barrel, a discharging pipe, a transverse conveying barrel, a longitudinal conveying barrel, an auger and a second motor, the charging barrel is fixed on the outer wall of the furnace cover, the top of the charging barrel is in threaded connection with a sealing cover, the discharging pipe is fixed at the bottom of the charging barrel and extends to the inner side of the furnace cover after penetrating through the furnace cover, the outer wall of the discharging pipe is fixed with the side wall of the furnace cover, the transverse conveying barrel is fixed at the inner side of the furnace cover, the bottom of the discharging pipe is communicated with the transverse conveying barrel, the longitudinal conveying barrel is fixed at one end, far away from the discharging pipe, of the outer wall of the transverse conveying barrel, the discharging end of the longitudinal conveying barrel is opposite to the smelting end of the smelting device, the auger is rotatably connected to the middle part of the inner wall of the transverse conveying barrel through a bearing, one end of the auger penetrates through the side wall of the transverse conveying barrel and the side wall of the furnace cover and extends to the outer side wall of the furnace cover, the contact part of the auger and the furnace cover are rotatably connected with the side wall of the furnace cover through a rotary sealing device, the second motor is fixed on the outer wall of the furnace cover, and one end, which is close to the output end of the second motor.
Preferably, a heat dissipation fan is fixed to the top of the protection member.
Preferably, the two worms are the same size, and the first worm wheel and the second worm wheel are the same size.
Preferably, the upper end of the funnel is arranged in an open shape, and the lower end of the funnel is arranged in a slender tubular shape.
Compared with the related technology, the vacuum steel-making electric furnace provided by the invention has the following beneficial effects:
after molten steel is poured into the inner side of the mold after steel making, the mold poured with the molten steel can be automatically rotated to a position below the protection part for cooling forming work, the empty mold can be rotated to a position coinciding with the axis of the furnace body at the same time, and the empty mold can be tightly pressed at the bottom of the furnace body after being rotated in place, so that when the previous mold carries out cooling forming work of the molten steel, the empty mold can simultaneously carry out smelting and pouring work of a new ingot, a plurality of molds are simultaneously arranged, when one mold carries out vacuum smelting work, one mold carries out ingot cooling forming work, and meanwhile, people can carry out blanking work on the ingot formed in the other mold, so that the smelting, cooling and ingot blanking operations can be carried out simultaneously, the smelting efficiency is greatly improved, and the smelting work can be carried out in a production line mode.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the funnel position structure of the present invention;
FIG. 3 is a schematic view of the cross support structure according to the present invention;
FIG. 4 is a schematic diagram of a switching device according to the present invention;
FIG. 5 is a schematic view of a jacking assembly of the present invention;
FIG. 6 is a schematic view of a feeding device according to the present invention;
FIG. 7 is a second schematic view of the structure of the feeding device of the present invention;
FIG. 8 is a third schematic view of the feeding device of the present invention;
fig. 9 is a schematic view of a position structure of a heat dissipation fan according to the present invention.
Reference numbers in the figures: 1. a cabinet; 2. a furnace body; 3. a furnace cover; 4. a vacuum generating device; 5. a smelting device; 6. a funnel; 7. supporting the rotating rod; 8. a cross support frame; 9. connecting sleeves; 10. a mold; 11. a switching device; 111. a first support block; 112. a worm; 113. a first motor; 114. a vertical rotating shaft; 115. a first worm gear; 116. a drive wheel; 117. a grooved wheel; 118. a jacking assembly; 1181. a second support block; 1182. a transverse rotating shaft; 1183. a second worm gear; 1184. a cam; 12. a feeding device; 121. a charging barrel; 122. a sealing cover; 123. a feeding pipe; 124. a transverse conveying cylinder; 125. a longitudinally arranged conveying cylinder; 126. a packing auger; 127. a second motor; 13. a guard; 14. a limiting strip; 15. a high temperature resistant seal ring; 16. a heat dissipation fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1, 2, 3 and 9, a vacuum steelmaking electric furnace according to an embodiment of the present invention includes a cabinet 1, a furnace body 2, a vacuum generating device 4, a smelting device 5 and a funnel 6, wherein the furnace body 2 is installed on the top of the cabinet 1, the furnace cover 3 is installed on the top of the furnace body 2, the vacuum generating device 4 is disposed on one side of the cabinet 1, the vacuum generating device 4 is communicated with the furnace body 2 through a pipeline, the smelting device 5 is installed on the side wall of the furnace body 2, the smelting end of the smelting device 5 is located at the right middle position of the inner side of the furnace body 2, the funnel 6 is fixed at the lower end of the inner wall of the furnace body 2, and further includes a support rotating rod 7, a cross support frame 8, a connecting sleeve 9, a mold 10, a switching device 11, a feeding device 12 and a protection piece 13, the bottom of the furnace body 2 is disposed in a penetrating manner, the support rotating rod 7 is rotatably connected to the top of the cabinet 1 through a bearing, the cross support 8 is fixed at the upper end of the supporting rotating rod 7, the connecting sleeve 9 is fixed at the end of the cross support 8, the connecting sleeves 9 are distributed at equal intervals around the supporting rotating rod 7, the mold 10 is inserted in the connecting sleeves 9 in a sliding manner, and a mold 10 located right below the furnace body 2 is in extrusion contact with the bottom of the furnace body 2 and communicated with the furnace body 2, the discharge end of the funnel 6 is right opposite to a feed port of the mold 10 located on the axis position of the furnace body 2, the switching device 11 is fixed at the top of the cabinet 1 and used for driving the supporting rotating rod 7 to rotate to perform conversion work of the mold 10, and meanwhile, the mold 10 is jacked up, the feeding device 12 is fixed on the side wall of the furnace cover 3 and used for feeding to the inner side of the smelting device 5, the protection part 13 is fixed at the top of the cabinet 1, and a mold 10 close to the protection part 13 is located below the protection part 13.
The effect of carrying out smelting work in a production line manner is realized, so that the smelting, cooling forming and ingot casting blanking operations can be carried out simultaneously, and the smelting efficiency is greatly improved;
during the use, throw in granular metal raw materials to the end of smelting device 5 through feedway 12, then carry out evacuation work to the furnace body 2 inboard, the evacuation finishes smelting metal raw materials through smelting device 5, it pours the molten steel into to smelt the end rotation to accomplish to smelt, guide the molten steel to the mould 10 inboard through funnel 6, it resets to empty the end of smelting, contact furnace body 2 inboard vacuum state, make 2 inboard atmospheric pressure of furnace body the same with atmospheric pressure, feedway 12 feeds the end of smelting once more, simultaneously switching device 11 rotates empty mould 10 and compresses tightly in the bottom of furnace body 2, the mould 10 that loads with the molten steel rotates to protection piece 13 below, then carry out the cooling design work of new smelting operation and preceding mould 10 simultaneously, so reciprocal, then carry out the third time of smelting operation. The cast ingot formed by the first smelting and cooling can be blanked, and the molten steel formed by the second smelting is cooled and formed.
Referring to fig. 3 and 4, the switching device 11 includes a first support block 111, a worm 112, a first motor 113, a vertical rotation shaft 114, a first worm wheel 115, a driving wheel 116, a sheave 117, and a jacking assembly 118, the first support blocks 111 are sequentially fixed in the middle of the upper surface of the cabinet 1 along the length direction of the cabinet 1, the two worms 112 are sequentially disposed in the middle of the upper side of the cabinet 1 along the length direction of the cabinet 1, two ends of the worm 112 are rotatably connected to the first support blocks 111 through bearings, the two worms 112 are fixed to each other, the first motor 113 is fixed to one side of the top of the cabinet 1, an end of one worm 112 close to one side of the first motor 113 is fixed to an output end of the first motor 113, the vertical rotation shaft 114 is rotatably connected to the top of the cabinet 1 through a bearing, the first worm wheel 115 is fixed to an outer wall of the vertical rotation shaft 114, the first worm wheel 115 is engaged with one worm 112 close to one side of the first motor 113, the driving wheel 116 is fixed to an upper end of the vertical rotation shaft 114, the sheave 117 is fixed to the middle of an outer wall of the support rotation shaft 7, and the sheave 117 is matched with the driving wheel 116, and the jacking assembly is fixed to a position of the sheave 118 of the lower side of the top of the cabinet 1 below the furnace body 2.
Referring to fig. 5, the jacking assembly 118 includes second supporting blocks 1181, a transverse rotating shaft 1182, a second worm gear 1183 and a cam 1184, the two second supporting blocks 1181 are symmetrically fixed on one side of the top of the cabinet 1 close to the furnace body 2, the transverse rotating shaft 1182 is rotatably connected between the two second supporting blocks 1181 through a bearing, the second worm gear 1183 is fixed on the outer wall of the transverse rotating shaft 1182, the second worm gear 1183 is engaged with a worm 112 on one side far from the first motor 113, the cam 1184 is fixed on the outer wall of the transverse rotating shaft 1182, and the cam 1184 is in pressing contact with the bottom of the mold 10 located directly above the cam 1184.
When the mold is used, the first motor 113 is driven to rotate to drive the two worms 112 to rotate simultaneously, one worm 112 close to one side of the first motor 113 rotates to drive the first worm wheel 115 to rotate, the first worm wheel 115 rotates to drive the vertical rotating shaft 114 to rotate so as to drive the driving wheel 116 to rotate, the first motor 113 rotates to drive the driving wheel 116 to rotate for one circle and then stops rotating immediately, so that the grooved wheel 117 is driven to rotate for 90 degrees, the supporting rotating rod 7 is driven to rotate for 90 degrees, the empty mold 10 rotates to the position below the furnace body 2, and the mold 10 loaded with molten steel rotates to the position below the protection piece 13;
while the first worm wheel 115 rotates, the second worm wheel 1183 is also driven to rotate, so as to drive the transverse rotating shaft 1182 to rotate, so as to drive the cam 1184 to rotate, the driving wheel 116 rotates for a circle, the same cam 1184 rotates for a circle, after the cam 1184 rotates for a certain angle from an initial state, one mold 10 coinciding with the axis of the furnace body 2 gradually slides downwards, and finally, after the lower radius part of the periphery of the cam 1184 rotates to be positioned right below the furnace body 2, the cam 1184 continuously rotates, and the outer wall of the cam 1184 is separated from the bottom of the mold 10 and is not contacted with the bottom of the mold 10;
the operation process is divided into three stages: firstly, the method comprises the following steps of; when the driving wheel 116 rotates from the initial state to the state where the driving wheel 117 starts to stir, the sheave 117 is not moved at this stage, the cam 1184 rotates at the same speed as the driving wheel 116, the large radius of the periphery of the cam 1184 gradually deviates from the bottom of the mold 10, and finally, when the driving wheel 116 starts to stir the sheave 117 to rotate, the cam 1184 rotates until the outer side of the small radius thereof is positioned at the position right below the mold 10, and the mold 10 descends to the position due to the loss of the support when the outer side of the small radius of the cam 1184 is positioned right below the mold 10;
then, the following steps are carried out: the driving wheel 116 toggles the sheave 117 from the beginning to rotate to the end stage of the rotation of the sheave 117, the cam 1184 continuously rotates in the process, the small-radius outer wall of the cam 1184 is separated from the bottom of the mold 10, and the sheave 117 rotates to enable the four molds 10 to simultaneously rotate to switch stations;
and finally: the driving wheel 116 finishes rotating from the grooved pulley 117 to the resetting stage of the driving wheel 116, in the process, four molds 10 have switched stations and are finished, the driving wheel 116 continuously rotates to reset, meanwhile, the cam 1184 continuously rotates, finally, the large-radius periphery of the cam 1184 rotates to be in contact with the molds 10, finally, the cam 1184 resets, and the molds 10 are tightly pressed at the bottom of the furnace body 2 through the pressing of the cam 1184;
referring to fig. 3, the outer wall of the mold 10 is fixed with spacing strips 14 at equal intervals, and the bottom of the spacing strip 14 outside the mold 10 away from the axis of the furnace body 2 contacts with the top of the connecting sleeve 9, so as to limit the position of the mold 10.
Referring to fig. 3, when the small radius position outside the cam 1184 rotates to a position right below the furnace body 2, and the mold 10 located above the cam 1184 under the action of the limiting strip 14 slides down to stop, the bottom of the mold and the outer wall of the cam 1184 are in a separated non-contact state, so that after the cam 1184 rotates to a large radius part on the periphery and is separated from the mold 10, the switching operation of the mold 10 is not hindered by the cam 1184, and the mold 10 can be switched smoothly.
Referring to fig. 3, a high temperature-resistant sealing ring 15 is fixed on the top of the mold 10, so as to improve the air tightness at the joint between the mold 10 and the furnace body 2.
Referring to fig. 6, 7 and 8, the feeding device 12 includes a material cylinder 121, a discharging tube 123, a horizontal conveying cylinder 124, a vertical conveying cylinder 125, an auger 126 and a second motor 127, the material cylinder 121 is fixed on the outer wall of the furnace cover 3, the top of the material cylinder 121 is connected with a sealing cover 122 through a screw thread, the discharging tube 123 is fixed on the bottom of the material cylinder 121, the discharging tube 123 extends to the inner side of the furnace cover 3 through the furnace cover 3, the outer wall of the discharging tube 123 is fixed on the side wall of the furnace cover 3, the horizontal conveying cylinder 124 is fixed on the inner side of the furnace cover 3, the bottom of the discharging tube 123 is communicated with the horizontal conveying cylinder 124, the vertical conveying cylinder 125 is fixed on one end of the outer wall of the horizontal conveying cylinder 124, which is far away from the discharging tube 123, the discharging end of the vertical conveying cylinder 125 is opposite to the smelting end of the smelting device 5, the auger 126 is rotatably connected to the middle part of the inner wall of the horizontal conveying cylinder 124 through a bearing, one end of the auger 126 extends to the outer wall of the horizontal conveying cylinder 124 and the outer wall of the furnace cover 3, the contacting part of the auger 126 and the auger 3 is rotatably connected with the side wall of the rotary sealing device through the side wall of the furnace cover, the auger 127 of the second motor 127 is fixed on one end of the outer wall of the second motor 127, which is close to the second motor 127 of the furnace cover 3, and the second motor 127.
The feeding device 12 can perform automatic feeding operation, the sealing cover 122 can be manually opened in the early stage of the operation, the bead-shaped raw materials are put into the material barrel 121, the sealing cover 122 is screwed after the feeding operation is finished, then the second motor 127 is driven to rotate when the feeding operation is performed on the smelting end of the smelting device 5, so that the movable auger 126 rotates, the raw materials in the material barrel 121 fall to the inner side of the horizontal conveying barrel 124, are conveyed to the inner side of the vertical conveying barrel 125 under the conveying of the auger 126, then fall to the smelting end of the smelting device 5 to perform smelting operation, and the second motor 127 stops rotating after the first feeding operation is finished.
Referring to fig. 9, a heat dissipation fan 16 is fixed on the top of the protection part 13, and can dissipate heat from the molten steel inside the mold 10 under the protection part 13, so as to accelerate the ingot forming.
Referring to fig. 4 and 5, the two worms 112 have the same size, and the first worm wheel 115 and the second worm wheel 1183 have the same size, so that the cam 1184 can rotate at the same speed as the driving wheel 116.
Referring to fig. 2, the upper end of the hopper 6 is open, and the lower end of the hopper 6 is in the form of a slender tube, so that the molten steel can flow into the mold 10.
The circuits and controls involved in the present invention are prior art and will not be described in detail herein.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
1. A vacuum steelmaking electric furnace comprising:
a cabinet (1);
the furnace body (2) is arranged at the top of the cabinet (1), and a furnace cover (3) is arranged at the top of the furnace body (2);
the vacuum generating device (4) is arranged on one side of the cabinet (1), and the vacuum generating device (4) is communicated with the furnace body (2) through a pipeline;
the smelting device (5) is arranged on the side wall of the furnace body (2), and the smelting end of the smelting device (5) is positioned at the right middle position of the inner side of the furnace body (2);
the funnel (6), the said funnel (6) is fixed in the lower end of the inner wall of the furnace body (2);
the method is characterized by also comprising the following steps of;
the bottom of the furnace body (2) is arranged in a penetrating way;
the supporting rotating rod (7) is rotatably connected to the top of the cabinet (1) through a bearing;
the cross support frame (8), the said cross support frame (8) is fixed on upper end to support the rotary rod (7);
the connecting sleeves (9), the connecting sleeves (9) are fixed at the end parts of the cross-shaped supporting frames (8), and the connecting sleeves (9) are distributed around the supporting rotating rods (7) in an equidistant mode;
the mold (10) is inserted into the inner side of the connecting sleeve (9) in a sliding manner, one mold (10) positioned right below the furnace body (2) is in extrusion contact with the bottom of the furnace body (2) and is communicated with the furnace body (2), and the discharge end of the funnel (6) is opposite to a feed inlet of the mold (10) positioned on the axis position of the furnace body (2);
the switching device (11) is fixed at the top of the cabinet (1) and used for driving the supporting rotating rod (7) to rotate to perform conversion work of the die (10) and simultaneously perform jacking work of the die (10);
the feeding device (12) is fixed on the side wall of the furnace cover (3) and used for feeding materials to the inner side of the smelting device (5);
a shielding member (13), the shielding member (13) is fixed on the top of the cabinet (1), and one of the molds (10) close to the shielding member (13) is positioned below the shielding member (13).
2. The vacuum steelmaking electric furnace according to claim 1, characterised in that said switching means (11) comprise:
the first supporting blocks (111) are sequentially fixed in the middle of the upper surface of the cabinet (1) along the length direction of the cabinet (1);
the two worms (112) are sequentially arranged in the middle position above the cabinet (1) along the length direction of the cabinet (1), two ends of each worm (112) are rotatably connected with the first supporting block (111) through bearings, and the two worms (112) are fixed with each other;
the first motor (113), the first motor (113) is fixed on one side of the top of the cabinet (1), and the end of a worm (112) close to one side of the first motor (113) is fixed with the output end of the first motor (113);
the vertical rotating shaft (114), the vertical rotating shaft (114) is rotatably connected to the top of the cabinet (1) through a bearing;
the first worm wheel (115) is fixed on the outer wall of the vertical rotating shaft (114), and the first worm wheel (115) is meshed and connected with a worm (112) close to one side of the first motor (113);
the driving wheel (116), the said driving wheel (116) is fixed on upper end of the vertical spindle (114);
the grooved wheel (117) is fixed in the middle of the outer wall of the supporting rotating rod (7), and the grooved wheel (117) is matched with the driving wheel (116);
jacking subassembly (118), jacking subassembly (118) are fixed and are located furnace body (2) on the top of rack (1) the position under.
3. The vacuum steelmaking electric furnace according to claim 2, wherein the jacking assembly (118) comprises:
the two second supporting blocks (1181) are symmetrically fixed at one side, close to the furnace body (2), of the top of the machine cabinet (1);
the transverse rotating shaft (1182), the transverse rotating shaft (1182) is rotatably connected between the two second supporting blocks (1181) through a bearing;
the second worm wheel (1183) is fixed on the outer wall of the transverse rotating shaft (1182), and the second worm wheel (1183) is meshed and connected with a worm (112) on the side away from the first motor (113);
the cam (1184), the cam (1184) is fixed on the outer wall of the transverse rotating shaft (1182), and the cam (1184) is in pressing contact with the bottom of the die (10) which is positioned right above the cam.
4. The vacuum steelmaking electric furnace according to claim 1, characterized in that the outer wall of the mould (10) is fixed with spacing strips (14) at equal intervals, and the bottom of the spacing strip (14) outside the mould (10) far away from the axis of the furnace body (2) is contacted with the top of the connecting sleeve (9).
5. The vacuum steelmaking electric furnace according to claim 3, wherein when the cam (1184) rotates to a small radius position right below the furnace body (2), the die (10) which is positioned above the cam (1184) under the action of the limiting strip (14) slides down to stop, and the bottom of the die is separated from the outer wall of the cam (1184) in a non-contact state.
6. The vacuum steelmaking furnace according to claim 1, characterised in that a refractory seal (15) is fixed to the top of the mould (10).
7. The vacuum steelmaking electric furnace according to claim 1, characterised in that said feeding means (12) comprise:
the charging barrel (121) is fixed on the outer wall of the furnace cover (3), and the top of the charging barrel (121) is in threaded connection with a sealing cover (122);
the discharging pipe (123) is fixed at the bottom of the charging barrel (121), the discharging pipe (123) penetrates through the furnace cover (3) and extends to the inner side of the furnace cover (3), and the outer wall of the discharging pipe (123) is fixed with the side wall of the furnace cover (3);
the horizontal conveying cylinder (124), the horizontal conveying cylinder (124) is fixed on the inner side of the furnace cover (3), and the bottom of the blanking pipe (123) is communicated with the horizontal conveying cylinder (124);
the feeding device comprises a longitudinal conveying cylinder (125), wherein the longitudinal conveying cylinder (125) is fixed at one end, away from a discharging pipe (123), of the outer wall of a transverse conveying cylinder (124), and the discharging end of the longitudinal conveying cylinder (125) is opposite to the smelting end of the smelting device (5);
the packing auger (126) is rotatably connected to the middle part of the inner wall of the transverse conveying cylinder (124) through a bearing, one end of the packing auger (126) penetrates through the side wall of the transverse conveying cylinder (124) and the side wall of the furnace cover (3) and extends to the outer side of the furnace cover (3), and the contact part of the packing auger (126) and the furnace cover (3) is rotatably connected with the side wall of the furnace cover (3) through a rotary sealing device;
the second motor (127), the second motor (127) is fixed on the outer wall of the furnace cover (3), and one end of the packing auger (126) close to the second motor (127) is fixed with the output end of the second motor (127).
8. The vacuum steelmaking furnace according to claim 1, characterised in that a heat-radiating fan (16) is fixed to the top of the shield (13).
9. The vacuum steelmaking electric furnace according to claim 3, wherein the two worms (112) are of the same size and the first worm gear (115) and the second worm gear (1183) are of the same size.
10. The vacuum steelmaking furnace according to claim 1, characterised in that the upper end of the funnel (6) is open and the lower end of the funnel (6) is elongated tubular.
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| CN202210914473.7A CN115289841B (en) | 2022-08-01 | 2022-08-01 | Vacuum steelmaking electric furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210914473.7A CN115289841B (en) | 2022-08-01 | 2022-08-01 | Vacuum steelmaking electric furnace |
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| CN115289841A true CN115289841A (en) | 2022-11-04 |
| CN115289841B CN115289841B (en) | 2023-04-21 |
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| CN112853037A (en) * | 2020-12-31 | 2021-05-28 | 新兴铸管股份有限公司 | Molten iron charging assembly line |
| CN214684241U (en) * | 2020-11-23 | 2021-11-12 | 吴江市液铸液压件铸造有限公司 | Metal smelting device for die casting |
| CN216482220U (en) * | 2021-09-28 | 2022-05-10 | 靖江新舟合金材料有限公司 | Vacuum melting equipment for processing high-purity aluminum-silicon-titanium alloy |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120298325A1 (en) * | 2011-05-27 | 2012-11-29 | A. Finkl & Sons Co. | Flexible minimum energy utilization electric arc furnace system and processes for making steel products |
| CN106756074A (en) * | 2017-02-21 | 2017-05-31 | 江苏海金非晶科技有限公司 | Vacuum induction melting furnace and vacuum induction melting system |
| CN109898007A (en) * | 2017-12-07 | 2019-06-18 | 天工爱和特钢有限公司 | A kind of preparation method of mould steel |
| CN111804879A (en) * | 2020-07-02 | 2020-10-23 | 苏州振湖电炉有限公司 | T-shaped vacuum induction melting casting furnace |
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| CN112853037A (en) * | 2020-12-31 | 2021-05-28 | 新兴铸管股份有限公司 | Molten iron charging assembly line |
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| CN115289841B (en) | 2023-04-21 |
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Denomination of invention: A vacuum steelmaking electric furnace Granted publication date: 20230421 Pledgee: Hangzhou Yuhang Policy Financing Guarantee Co.,Ltd. Pledgor: ZHEJIANG HANGZHEN ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2024980031551 |
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