CN104493145A - Novel induction furnace and casting mold for novel induction furnace - Google Patents
Novel induction furnace and casting mold for novel induction furnace Download PDFInfo
- Publication number
- CN104493145A CN104493145A CN201410752491.5A CN201410752491A CN104493145A CN 104493145 A CN104493145 A CN 104493145A CN 201410752491 A CN201410752491 A CN 201410752491A CN 104493145 A CN104493145 A CN 104493145A
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- housing
- mould
- induction furnace
- heating shell
- novel induction
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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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Induction Heating (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a novel induction furnace and a casting mold for the novel induction furnace. The novel induction furnace comprises a rack, a heating shell and an electromagnetic heating device, wherein a seal housing is mounted on the rack, and the inner cavity of the seal housing is connected with an evacuating device; the heating shell is connected onto the seal housing in a sealing mode; the electromagnetic heating device comprises an induction coil, and the induction coil is wound outside the heating shell. The casting mold comprises a component mold, wherein the upper part of the component mold is connected with a heating mold which is positioned inside the heating shell and is filled with cast metal; the induction coil is wound outside the heating shell, the cast metal is heated, and the cast metal enters an inner cavity of the component mold under the effect of gravity after being melted, so that a complicated turndown device and a complex sealing device are saved, the size of a vacuum chamber is greatly reduced, and the vacuumizing time is shortened; the cast metal enters the inner cavity of the component mold through punching from the bottom of the heating mold after being melted, so that slag on the surface of a cast metal solution cannot enter the component mold, and the product quality is guaranteed.
Description
Technical field
The present invention relates to a kind of induction furnace, also relate to a kind of casting mould.
Background technology
In prior art, induction furnace comprises body of heater mostly, body of heater is provided with sealing bell, vacuum extractor vacuumizes operation to body of heater inner chamber in the course of the work, in body of heater, crucible is installed, solenoid is provided with outside crucible, after steel ingot is melted by crucible, overturn by turndown device operation crucible thus pour the steel ingot after fusing into mould from top, this just easily causes the bits of steel ingot molten surface to enter into mould, and need in body of heater to place crucible, turndown device and electromagnetic induction coil etc., cause the volume of body of heater larger, the volume of the vacuum chamber needed is larger, pumpdown time is longer, and turndown device needs manual operation, and turndown action need carries out under vacuum conditions, therefore also need between turndown device and body of heater to arrange sealing device, when turndown operates, after operating grip and sealing device long duration of action, sealing device sealing effectiveness is easily caused to reduce, easily cause product defects, and require high to manual operation, the yield rate of product is lower.
Summary of the invention
A technical problem to be solved by this invention is to provide one and can greatly enhances productivity, and power consumption significantly reduces, yield rate is high, can effectively improve raw-material utilization rate, reduce spillage of material, effective reduction production cost, and the novel induction furnace that degree of changing into is high automatically.
For solving the problems of the technologies described above, technical scheme of the present invention is: novel induction furnace, comprises frame, and described frame is provided with seal casinghousing, and the inner chamber of described seal casinghousing is connected with vacuum extractor; Also comprise heating shell, described heating shell is sealedly connected on described seal casinghousing, the inner chamber of described heating shell and the intracavity inter-connection of described seal casinghousing, described seal casinghousing comprises the first housing and the second housing, is provided with sealing device and closing device between described first housing and described second housing; Also comprise electromagnetic heater, described electromagnetic heater comprises induction coil, and described induction coil is wrapped in outside described heating shell; Also comprise the casting mould be arranged in described seal casinghousing, described casting mould comprises part mould, the top of described part mould is connected with the heated mould that the splendid attire being positioned at described heating shell is cast metal, described heated mould is provided with charging aperture, the inner chamber of described heated mould and the intracavity inter-connection of described part mould.
As preferred technical scheme, described heating shell is quartz glass shell.
As preferred technical scheme, described first housing is positioned at the top of the second housing, and described sealing device comprises the sealing gasket be located between described first housing and described second housing.
As preferred technical scheme, the diameter of described induction coil is 130mm, and described induction coil is directly connected with electric capacity, and described electromagnetic heater comprises heating control apparatus, and described heating control apparatus comprises IGBT module.
As preferred technical scheme, described closing device comprises the elevating bracket being arranged on described second housing lower surface, is provided with lifting drive between described elevating bracket and described frame.
As preferred technical scheme, described lifting drive comprises lift cylinder, the upper end of the piston rod of described lift cylinder is provided with guide holder, described guide holder is provided with multiple pilot hole, the lower surface of described elevating bracket is provided with the guide post be enclosed within described pilot hole, support spring is set with outside described guide post, the upper end of described support spring is resisted against the lower surface of described elevating bracket, the lower end abutment of described support spring is at the upper surface of described guide holder, and described second housing is arranged on described elevating bracket.
As preferred technical scheme, also comprise cooling device, described cooling device comprises the first cooling tube be enclosed within outside described first housing and the second cooling tube cooled described second housing.
As preferred technical scheme, be provided with casting die elevating bracket in described second housing, described casting die elevating bracket comprises pedestal, is provided with lowering or hoisting gear between described pedestal and described second housing.
Owing to have employed technique scheme, metal will be cast during use and put into heated mould, the first housing and the second housing tight close is made by sealing device and closing device, start vacuum extractor, vacuum extractor is to the first housing, after the inner chamber of the second housing and heating shell vacuumizes, start electromagnetic heater, electromagnetic heater work will be cast metal melt, bottom stamp from heated mould after being cast metal melt enters part mold cavity, make the bits being cast molten metal surface cannot enter part mould, ensure that product quality, and induction coil is wrapped in outside described heating shell, heat being cast metal, part mold cavity is entered under gravity after being cast metal melt, the sealing device eliminating loaded down with trivial details turndown device and complexity reduces the volume of vacuum chamber greatly, shorten the time vacuumized.And described heating shell is nipple shape, further reduce the volume of vacuum chamber.Described lifting drive comprises support spring, the upper end of support spring is resisted against the lower surface of described elevating bracket, the lower end abutment of support spring is at the upper surface of described guide holder, achieve buffering closed between the first housing and described second housing, in described second housing, casting die elevating bracket is installed, to adapt to the height of different casting mould.
Another technical problem to be solved by this invention is to provide a kind of bits being cast molten metal surface when can effectively avoid being cast and enters into mould, ensures the novel induction furnace casting mould of product quality.
For solving the problems of the technologies described above, technical scheme of the present invention is: novel induction furnace casting mould, comprise part mould, the top of described part mould is connected with the heated mould that splendid attire is cast metal, described heated mould is provided with charging aperture, the inner chamber of described heated mould and the intracavity inter-connection of described part mould.
Owing to have employed technique scheme, novel induction furnace casting mould, comprise part mould, the top of described part mould is connected with the heated mould that the splendid attire being positioned at described heating shell is cast metal, metal will be cast during use and put into heated mould, bottom stamp from heated mould after being cast metal melt enters part mold cavity, makes the bits being cast molten metal surface cannot enter part mould, ensure that product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the structural representation of heating shell and seal casinghousing in the embodiment of the present invention;
Fig. 4 is the structural representation of casting mould in the embodiment of the present invention.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, novel induction furnace, comprises frame 1, and described frame 1 is provided with seal casinghousing, and the inner chamber of described seal casinghousing is connected with vacuum extractor 2; Also comprise heating shell 3, described heating shell 3 is sealedly connected on described seal casinghousing, the inner chamber of described heating shell 3 and the intracavity inter-connection of described seal casinghousing, described seal casinghousing comprises the first housing 5 and the second housing 6, is provided with sealing device and closing device between described first housing 5 and described second housing 6; Also comprise electromagnetic heater, described electromagnetic heater comprises induction coil 4, and described induction coil 4 is wrapped in outside described heating shell 3; Also comprise the casting mould be arranged in described seal casinghousing, as shown in Figure 4, described casting mould comprises part mould 7, the top of described part mould 7 is connected with the heated mould 9 that the splendid attire being positioned at described heating shell is cast metal 8, described heated mould 9 is provided with charging aperture 10, the inner chamber of described heated mould 9 and the intracavity inter-connection of described part mould 7.Described vacuum extractor 2 comprises lobe pump 19.
Described heating shell 3 is quartz glass shell.There is excellent high temperature resistant and heat shock resistance power ability.
Described first housing 5 is positioned at the top of the second housing 6.
The diameter of described induction coil is 130mm, adds the magnetic line of force quantity of cutting alloy bar, makes alloy bar rapid melting.Described induction coil 4 is directly connected with electric capacity 16, decreases energy loss.Described electromagnetic heater comprises heating control apparatus, and described heating control apparatus comprises IGBT module, makes operating frequency bring up to 10000HZ, the body skin effect being cast metal is strengthened, rapid melting.IGBT (Insulated Gate Bipolar Transistor), insulated gate bipolar transistor, the compound full-control type voltage driven type power semiconductor be made up of BJT (double pole triode) and MOS (insulating gate type field effect tube), has the advantage of the high input impedance of MOSFET and low conduction voltage drop two aspect of GTR concurrently.GTR saturation pressure reduces, and current carrying density is large, but drive current is larger; MOSFET driving power is very little, and switching speed is fast, but conduction voltage drop is large, and current carrying density is little.IGBT combines the advantage of above two kinds of devices, and driving power is little and saturation pressure reduces.
Described sealing device comprises the sealing gasket be located between described first housing 5 and described second housing 6.
Described closing device comprises the elevating bracket 11 being arranged on described second housing 6 lower surface, lifting drive is provided with between described elevating bracket 11 and described frame 1, described closing device also comprises can to the vent valve of the inner chamber air inlet of described seal casinghousing, and described vent valve is not shown.
Described lifting drive comprises lift cylinder 12, the upper end of the piston rod 20 of described lift cylinder 12 is provided with guide holder 13, described guide holder 13 is provided with multiple pilot hole, the lower surface of described elevating bracket is provided with the guide post 14 be enclosed within described pilot hole, support spring 15 is set with outside described guide post 14, the upper end of described support spring 15 is resisted against the lower surface of described elevating bracket 11, the lower end abutment of described support spring 15 is at the upper surface of described guide holder 13, and described second housing 6 is arranged on described elevating bracket 11.Described lifting drive comprises support spring 15, the upper end of support spring is resisted against the lower surface of described elevating bracket, the lower end abutment of support spring is at the upper surface of described guide holder, achieve buffering closed between the first housing 5 and described second housing 6, decrease the impact of the second housing to the first housing, and the bounce of broken empty rear second housing, ensure that module operates steadily.
Also comprise cooling device, described cooling device comprises the first cooling tube 17 being enclosed within described first housing outer 5 and the second cooling tube cooled described second housing.Cooling device cools the first housing and the second housing, ensure that normal work.
In described second housing, casting die elevating bracket is installed, described casting die elevating bracket comprises pedestal 18, lowering or hoisting gear is provided with between described pedestal and described second housing, those of ordinary skill in the art can adopt various structures to realize the function of described lifting drive, and the concrete structure of described lifting drive does not repeat them here.
Metal will be cast during use and put into heated mould 9, the first housing 5 and the second housing 6 tight close is made by sealing device and closing device, start vacuum extractor, vacuum extractor is to the first housing 5, after the inner chamber of the second housing 6 and heating shell 4 vacuumizes, start electromagnetic heater, electromagnetic heater work will be cast metal 8 and melt, be cast after metal 8 melts and enter part mould 7 inner chamber from the bottom stamp of heated mould 9, make the bits being cast metal 8 molten surface cannot enter part mould 7, ensure that product quality, and induction coil 4 is wrapped in outside described heating shell 3, heat being cast metal 8, be cast after metal 8 melts and enter part mould 7 inner chamber under gravity, the sealing device eliminating loaded down with trivial details turndown device and complexity reduces the volume of vacuum chamber greatly, shorten the time vacuumized, Automated condtrol can be carried out easily simultaneously, decrease the impact of operator on product quality, reduce the requirement to personnel's technical ability.And described heating shell 3 is nipple shape, further reduces the volume of vacuum chamber.In described second housing 6, casting die elevating bracket is installed, to adapt to the height of different casting mould.This novel induction furnace investment is little, production efficiency is high, and there is steady quality, consume energy low, that automaticity is high advantage, yield rate reaches 70%; Often organize power consumption and drop to 4KW; That often organizes consuming timely drops to 3 minutes; The qualification rate of product reaches more than 93%; Production efficiency compared with prior art improves 10 times.And have low feature is required to operating personnel.Be applicable to small aero, the high-end sophisticated product casting such as turbocharger.
As shown in Figure 4, novel induction furnace casting mould, comprises part mould 7, and the top of described part mould 7 is connected with the heated mould 9 that splendid attire is cast metal 8, described heated mould 9 is provided with charging aperture 10, the inner chamber of described heated mould 9 and the intracavity inter-connection of described part mould 7.The top of described part mould 7 is connected with the heated mould 9 that splendid attire is cast metal 8, metal 8 will be cast during use and put into heated mould, part mould 7 inner chamber is entered from the bottom stamp of heated mould 9 after being cast metal melt, make the bits being cast molten metal surface cannot enter part mould, ensure that product quality.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the present invention, can realize in other embodiments.Therefore, the present invention can not be limited to these embodiments shown in this article, but will accord with principle disclosed herein and the consistent the widest scope of features of novelty.
Claims (10)
1. novel induction furnace, is characterized in that: comprise frame, and described frame is provided with seal casinghousing, and the inner chamber of described seal casinghousing is connected with vacuum extractor; Also comprise heating shell, described heating shell is sealedly connected on described seal casinghousing, the inner chamber of described heating shell and the intracavity inter-connection of described seal casinghousing, described seal casinghousing comprises the first housing and the second housing, is provided with sealing device and closing device between described first housing and described second housing; Also comprise electromagnetic heater, described electromagnetic heater comprises induction coil, and described induction coil is wrapped in outside described heating shell; Also comprise the casting mould be arranged in described seal casinghousing, described casting mould comprises part mould, the top of described part mould is connected with the heated mould that the splendid attire being positioned at described heating shell is cast metal, described heated mould is provided with charging aperture, the inner chamber of described heated mould and the intracavity inter-connection of described part mould.
2. novel induction furnace as claimed in claim 1, is characterized in that: described heating shell is quartz glass shell.
3. novel induction furnace as claimed in claim 1, is characterized in that: described first housing is positioned at the top of the second housing, described sealing device comprises the sealing gasket be located between described first housing and described second housing.
4. novel induction furnace as claimed in claim 1, is characterized in that: the diameter of described induction coil is 130mm, and described induction coil is directly connected with electric capacity, and described electromagnetic heater comprises heating control apparatus, and described heating control apparatus comprises IGBT module.
5. novel induction furnace as claimed in claim 1, is characterized in that: described closing device comprises the elevating bracket being arranged on described second housing lower surface, is provided with lifting drive between described elevating bracket and described frame.
6. novel induction furnace as claimed in claim 5, it is characterized in that: described lifting drive comprises lift cylinder, the upper end of the piston rod of described lift cylinder is provided with guide holder, described guide holder is provided with multiple pilot hole, the lower surface of described elevating bracket is provided with the guide post be enclosed within described pilot hole, support spring is set with outside described guide post, the upper end of described support spring is resisted against the lower surface of described elevating bracket, the lower end abutment of described support spring is at the upper surface of described guide holder, and described second housing is arranged on described elevating bracket.
7. novel induction furnace as claimed in claim 1, is characterized in that: also comprise cooling device, and described cooling device comprises the first cooling tube be enclosed within outside described first housing and the second cooling tube cooled described second housing.
8. novel induction furnace as claimed in claim 1, is characterized in that: be provided with casting die elevating bracket in described second housing, and described casting die elevating bracket comprises pedestal, is provided with lowering or hoisting gear between described pedestal and described second housing.
9. the novel induction furnace as described in claim as arbitrary in claim 1 to 8, is characterized in that: described heating shell is nipple shape.
10. novel induction furnace casting mould as claimed in claim 1, it is characterized in that, comprise part mould, the top of described part mould is connected with the heated mould that splendid attire is cast metal, described heated mould is provided with charging aperture, the inner chamber of described heated mould and the intracavity inter-connection of described part mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410752491.5A CN104493145B (en) | 2014-12-09 | 2014-12-09 | New induction furnace and new induction furnace casting mould |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410752491.5A CN104493145B (en) | 2014-12-09 | 2014-12-09 | New induction furnace and new induction furnace casting mould |
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| CN104493145A true CN104493145A (en) | 2015-04-08 |
| CN104493145B CN104493145B (en) | 2017-08-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728669A (en) * | 2016-03-09 | 2016-07-06 | 沈阳广泰真空设备有限公司 | Novel dynamic pouring chamber of VIDP3T vacuum induction melting furnace |
| CN113751702A (en) * | 2021-08-26 | 2021-12-07 | 江西杰洋科技有限公司 | Aluminum plate production is with aluminum plate automatic molding kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105728669A (en) * | 2016-03-09 | 2016-07-06 | 沈阳广泰真空设备有限公司 | Novel dynamic pouring chamber of VIDP3T vacuum induction melting furnace |
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| CN113751702A (en) * | 2021-08-26 | 2021-12-07 | 江西杰洋科技有限公司 | Aluminum plate production is with aluminum plate automatic molding kiln |
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| CN104493145B (en) | 2017-08-01 |
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