CN104646590A - Phi900-2000mm upper and lower die stacking type induction heating furnace for isothermal forging - Google Patents
Phi900-2000mm upper and lower die stacking type induction heating furnace for isothermal forging Download PDFInfo
- Publication number
- CN104646590A CN104646590A CN201510099196.9A CN201510099196A CN104646590A CN 104646590 A CN104646590 A CN 104646590A CN 201510099196 A CN201510099196 A CN 201510099196A CN 104646590 A CN104646590 A CN 104646590A
- Authority
- CN
- China
- Prior art keywords
- induction heater
- induction
- isothermal forging
- induction heating
- lower die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Forging (AREA)
- General Induction Heating (AREA)
Abstract
The invention relates to a phi900-2000mm upper and lower die stacking type induction heating furnace for isothermal forging. The phi900-2000mm upper and lower die stacking type induction heating furnace is structurally characterized in that an upper die induction heating furnace is stacked on a lower die induction heating furnace; in the upper die induction heating furnace, a furnace panel 1 is arranged on a furnace shell 6, an induction coil 2 is arranged at the lower surface of the furnace panel 1, a shaped magnetic yoke 3 is arranged at the outer side of the induction coil 2, an aluminum silicate fiber heat insulation material 4 is filled into the inner side of the induction coil 2, a high-temperature heat resistant stainless induction heating coil 5 is arranged at the inner side of the aluminum silicate fiber heat insulation material 4, and the lower die induction heating furnace has the same structure as the upper die induction heating furnace. The phi900-2000mm upper and lower die stacking type induction heating furnace has the advantages that the heating time of the phi900-2000mm isothermal forging die is shortened, the heating efficiency and energy-saving potential efficiency are high, the production efficiency is improved, the die heating is uniform, the service life is prolonged, the quality of a product is improved, and the maintenance cost is reduced; the obvious technical and economic benefits are realized.
Description
Technical field
What the present invention relates to is the stacked induction heater of a kind of isothermal forging φ 900mm-φ 2000mm upper/lower die, belongs to isothermal forging equipment technology field.
Background technology
Isothermal forging (Isothermal-forging) is a kind of emerging Forging Technology technology as a branch of superplastic forming.It is widely used in the manufacture of vital part in the structural member such as spacecraft, aircraft turbine engine of aerospace industries and national defense industry, forging can be made to reach shape need close to part, reduce material consumption, reduce process-cycle, cost, this technique can obtain the optimized Isothermal Forging of comprehensive mechanical property in conjunction with heat treatment.
During heat parts, keep identical temperature with mould until forge and terminate, this feature, makes the impact that the modification of mould Quench and material is hardened eliminate completely.Isothermal forging should be carried out in accordance with regulations except heating except blank, also tackles mould and heats.Heating mould is a very important link of isothermal forging.
Along with the maximization of vital part in the structural member such as spacecraft, aircraft turbine engine of aerospace industries and national defense industry.The problem of φ 900mm-φ 2000mm isothermal forging dies heating will be more and more outstanding.Current isothermal forging dies heating generally adopts Resistant heating case, to the φ 900mm-φ 2000mm isothermal forging dies heat time will reach tens hours, energy consumption is high, as in production process resistance wire fracture, cannot hotly rush to repair, mold heated can be uneven, has impact to forging quality, die life, production efficiency.Resistance wire mold heated case frequency of maintenance is high, maintenance cost large, and production efficiency is lowly particularly outstanding in φ 900mm-φ 2000mm mold heated.Resistant heating case heating φ 900mm-φ 2000mm isothermal forging dies traditional in view of this, can not adapt to the demand with production development of equipping.
Summary of the invention
What the present invention proposed is the stacked induction heater of a kind of isothermal forging φ 900mm-φ 2000mm upper/lower die, and its object is intended to shorten the φ 900mm-φ 2000mm isothermal forging dies heat time, solves die tip position and produces the difficult problem that superfusion causes mold damage.
Technical solution of the present invention: the stacked induction heater of isothermal forging φ 900mm-φ 2000mm upper/lower die, its structure comprises mold induction heater and bed die induction heater, and wherein mold induction heater is stacked on bed die induction heater; Described mold induction heater, its structure comprises furnace panel, induction coil, special-shaped magnetic vibrating feeder yoke, alumina silicate fibre insulation material, high-temperature heat-resistance stainless steel sensor heating circle, furnace shell, wherein furnace panel is arranged on furnace shell, below furnace panel, induction coil is housed, special-shaped magnetic vibrating feeder yoke is equipped with in the outside of this induction coil, alumina silicate fibre insulation material is equipped with in the inner side of induction coil, and high-temperature heat-resistance stainless steel sensor heating circle is equipped with in the inner side of this alumina silicate fibre insulation material; The structure of bed die induction heater is identical with mold induction heater.
Advantage of the present invention: shorten the φ 900mm-φ 2000mm isothermal forging dies heat time to 4-8 hour, improve heat hot efficiency, energy-conservation latent effect large, improve production efficiency, make mould heat evenly, extend service life, improve product quality, reduce maintenance cost; There is obviously technical economic benefit.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of mold induction heater in the stacked induction heater of isothermal forging φ 900mm-φ 2000mm upper/lower die.
Fig. 2 is the sectional structure schematic diagram of bed die induction heater in the stacked induction heater of isothermal forging φ 900mm-φ 2000mm upper/lower die.
Fig. 3 is the top view of Fig. 1.
In figure 1 is furnace panel, 2 are induction coils, 3 are special-shaped magnetic vibrating feeder yokes, 4 are alumina silicate fibre insulation materials, 5 are high-temperature heat-resistance stainless steel sensor heating circles, 6 is furnace shells.
Detailed description of the invention
Contrast accompanying drawing, the stacked induction heater of isothermal forging φ 900mm-φ 2000mm upper/lower die, its structure comprises mold induction heater and bed die induction heater, and wherein mold induction heater is stacked on bed die induction heater; Mold induction heater and bed die eddy-current heating furnace structure.
As shown in Figure 1, mold induction heater, its structure comprises furnace panel 1, induction coil 2, special-shaped magnetic vibrating feeder yoke 3, alumina silicate fibre insulation material 4, the heating of high-temperature heat-resistance stainless steel sensor circle 5, furnace shell 6, wherein furnace panel 1 is arranged on furnace shell 6, induction coil 2 is housed below furnace panel 1, special-shaped magnetic vibrating feeder yoke 3 is equipped with in the outside of this induction coil 2, alumina silicate fibre insulation material 4 is equipped with in the inner side of induction coil 2, and high-temperature heat-resistance stainless steel sensor heating circle 5 is equipped with in the inner side of this alumina silicate fibre insulation material 4; The structure of bed die induction heater is identical with mold induction heater.
Described furnace panel 1 is without magnetic metal material.
Described induction coil 2 is oxygenless copper materials.
Described special-shaped magnetic vibrating feeder yoke 3 is in order to prevent stray field interference and leakage field to the heating of the metals such as hydraulic press column.
The hyperthermia radiation of described high-temperature heat-resistance stainless steel sensor heating circle 5 and induction heat heating mould, the kelvin effect that can solve the heating of induction heater internal induction makes the most advanced and sophisticated position of isothermal forging upper/lower die produce the problem that superfusion causes mold damage.
Described mold induction heater and bed die induction heater be connected respectively one all solid state with frequently homophase export frequency conversion dual power supply in order to power separately, adjusting power respectively.
Described mold induction heater can move up and down on request, and bed die induction heater can move forward and backward and convenient disassembly with lower planker.
During enforcement,
1) shift out planker under hydraulic press, under hydraulic press, bed die induction heater installed by planker;
2) isothermal forging bed die is installed in bed die induction heater;
3) mold induction heater is lifted on hydraulic press upper die head;
4) isothermal forging mold is arranged on hydraulic press upper die head;
5) hydraulic press upper die head, isothermal forging mold and mold induction heater is raised;
6) under hydraulic press, planker, isothermal forging bed die, bed die induction heater are displaced to hydraulic press center;
7) decline hydraulic press upper die head, isothermal forging mold, mold induction heater make isothermal forging mold, isothermal forging bed die and mold induction heater, bed die induction heater integral to center closed assembly;
8) connect cooling water, mold induction heater connects all solid state variable frequency induction power supply of 1#, and bed die induction heater connects all solid state variable frequency induction power supply of 2#;
9) isothermal forging mold, isothermal forging bed die heating-up temperature were to 950 DEG C of insulations 2 hours;
10) hydraulic press upper die head, isothermal forging mold and mold induction heater is raised;
11) the isothermal forging workpiece blank heated is added;
12) decline hydraulic press upper die head, isothermal forging mold and mold induction heater, the mold induction heater that closes, bed die induction heater and isothermal forging mold, isothermal forging bed die;
13) 1# all solid state variable frequency induction power supply, 2# all solid state variable frequency induction power supply power per liter, isothermal forging mold, isothermal forging bed die and isothermal forging workpiece are warmed up to 950 DEG C;
14) suppress isothermal forging workpiece, whole process is gone round and begun again.
This device applies debugging on 3000T hydraulic press, and induction heating apparatus be made normally to work has very large relation with the induction reactance of the inversion tank circuit, the adjustment of capacitive reactance.After induction heating apparatus operational factor has been debugged, isothermal forging dies was by technological requirement 4-8 hour homogeneous heating to 950 DEG C insulation two hours, and mold is incubated frequency conversion voltage 550V, bed die insulation frequency conversion voltage 650V, isothermal forging dies is incubated at 950 DEG C, error ± 5 DEG C.Mold heated is even, and inductor shell feel temperature is low, isothermal forging dies high insulating effect, shell influence electricity, and start test equipment working stability was reliable continuously through 26 hours for induction heating apparatus.In pressing process, upper inductor can rise in charged insulation, but consider safety factor, isothermal workpiece is added by former technique power-off, mold temperature declines about about 70 DEG C, close after adding isothermal forging workpiece blank inductor, heat up a few minutes isothermal forging dies temperature of full power rises only 950 DEG C of insulations, much smaller than the resistance heater heating-up time.Pressure testing several pieces of workpiece, isothermal forging dies induction heating apparatus meets isothermal forging technological requirement completely.
Claims (4)
1. the stacked induction heater of isothermal forging φ 900mm-φ 2000mm upper/lower die, its feature comprises mold induction heater and bed die induction heater, and wherein mold induction heater is stacked on bed die induction heater; Described mold induction heater, its structure comprises furnace panel, induction coil, special-shaped magnetic vibrating feeder yoke, alumina silicate fibre insulation material, high-temperature heat-resistance stainless steel sensor heating circle, furnace shell, wherein furnace panel is arranged on furnace shell, below furnace panel, induction coil is housed, special-shaped magnetic vibrating feeder yoke is equipped with in the outside of this induction coil, alumina silicate fibre insulation material is equipped with in the inner side of induction coil, and high-temperature heat-resistance stainless steel sensor heating circle is equipped with in the inner side of this alumina silicate fibre insulation material; The structure of bed die induction heater is identical with mold induction heater.
2. the stacked induction heater of isothermal forging φ 900mm-φ 2000mm upper/lower die as claimed in claim 1, is characterized in that described furnace panel is without magnetic metal material.
3. the stacked induction heater of isothermal forging φ 900mm-φ 2000mm upper/lower die as claimed in claim 1, is characterized in that described induction coil is oxygenless copper material.
4. the stacked induction heater of isothermal forging φ 900mm-φ 2000mm upper/lower die as claimed in claim 1, is characterized in that described mold induction heater and bed die induction heater are connected an all solid state same homophase frequently respectively and export frequency conversion dual power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099196.9A CN104646590A (en) | 2015-03-06 | 2015-03-06 | Phi900-2000mm upper and lower die stacking type induction heating furnace for isothermal forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099196.9A CN104646590A (en) | 2015-03-06 | 2015-03-06 | Phi900-2000mm upper and lower die stacking type induction heating furnace for isothermal forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104646590A true CN104646590A (en) | 2015-05-27 |
Family
ID=53238514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510099196.9A Pending CN104646590A (en) | 2015-03-06 | 2015-03-06 | Phi900-2000mm upper and lower die stacking type induction heating furnace for isothermal forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104646590A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838362A (en) * | 2017-11-10 | 2018-03-27 | 苏州昆仑重型装备制造有限公司 | Mould mends warm resistance furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1334641A (en) * | 1971-05-10 | 1973-10-24 | United Aircraft Corp | Apparatus for forging |
| CN102218499A (en) * | 2011-05-17 | 2011-10-19 | 陕西宏远航空锻造有限责任公司 | Mould heating furnace for isothermal forging |
| CN203900372U (en) * | 2014-06-11 | 2014-10-29 | 宁波中安锻造有限公司 | Forged piece heating furnace |
| CN204504127U (en) * | 2015-03-06 | 2015-07-29 | 朱兴发 | Isothermal forging φ 900-2000mm upper/lower die closed assembly induction heater |
-
2015
- 2015-03-06 CN CN201510099196.9A patent/CN104646590A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1334641A (en) * | 1971-05-10 | 1973-10-24 | United Aircraft Corp | Apparatus for forging |
| CN102218499A (en) * | 2011-05-17 | 2011-10-19 | 陕西宏远航空锻造有限责任公司 | Mould heating furnace for isothermal forging |
| CN203900372U (en) * | 2014-06-11 | 2014-10-29 | 宁波中安锻造有限公司 | Forged piece heating furnace |
| CN204504127U (en) * | 2015-03-06 | 2015-07-29 | 朱兴发 | Isothermal forging φ 900-2000mm upper/lower die closed assembly induction heater |
Non-Patent Citations (1)
| Title |
|---|
| 梁靖: ""基于同频同相输出解耦控制的感应加热电源组研究与设计"", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838362A (en) * | 2017-11-10 | 2018-03-27 | 苏州昆仑重型装备制造有限公司 | Mould mends warm resistance furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102974675A (en) | Heat forming method for aluminum alloy sheet metal part after solid solution and water quenching | |
| CN204148438U (en) | A kind of mold temperature regulating apparatus | |
| CN102367563B (en) | Titanium alloy thin-wall part hot-stretch creep deformation composite molding method | |
| CN106513508A (en) | Titanium alloy sheet metal part cold-die hot-stamping forming tool and machining method | |
| CN107470434B (en) | The device and method stamping for metastable state austenitic stainless steel end socket temperature | |
| CN102392114B (en) | Thermal calibration method for precisely cast structural pieces of cartridge receiver | |
| CN102989942A (en) | Forging method of single-throw crank shaft | |
| CN103962425A (en) | Electric heating stretching-bending forming device for airplane titanium alloy sectional materials | |
| CN204565022U (en) | The all solid state variable frequency induction heater of isothermal forging upper/lower die | |
| CN104384701B (en) | Magnesium alloy based on sensing heating and electro-magnetic forming/carbon steel pipe fitting composite connecting method | |
| CN104707927A (en) | Hot working method for improving structure and performance of section-variable aluminum alloy die forging | |
| CN201006887Y (en) | Step axis parts single-circle semi-ring type intermediate frequency induction apparatus | |
| CN102861878A (en) | Induction heating method and induction heating device universally used in iron section cladding sand cast production line | |
| CN204504127U (en) | Isothermal forging φ 900-2000mm upper/lower die closed assembly induction heater | |
| CN104646590A (en) | Phi900-2000mm upper and lower die stacking type induction heating furnace for isothermal forging | |
| CN103526006A (en) | High-frequency induction heating and heat processing technology of duplicate gear | |
| CN104690204B (en) | Isothermal forging upper/lower die all solid state variable frequency induction heater and heating means | |
| CN110918739B (en) | Rapid heating-forming device and method for aluminum alloy vehicle body component | |
| CN111001771A (en) | Corner heater for continuous casting square billet or rectangular billet and heating method | |
| CN202861325U (en) | Universal induction heating device for iron mould sand coated casting production line | |
| CN205290055U (en) | Induction welding preheating device | |
| CN204564934U (en) | With the dome head hot moulding mould of attemperating unit | |
| CN108486346A (en) | A kind of forging and stamping section normalizing of rail and end hardening multiple treating system | |
| CN204564952U (en) | Dome head hot moulding attemperating unit | |
| CN204470363U (en) | A kind of device realizing hollow metal component high-temperature barometric pressure load |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150527 |
|
| WD01 | Invention patent application deemed withdrawn after publication |