CN204504127U - Isothermal forging φ 900-2000mm upper/lower die closed assembly induction heater - Google Patents
Isothermal forging φ 900-2000mm upper/lower die closed assembly induction heater Download PDFInfo
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- CN204504127U CN204504127U CN201520128753.0U CN201520128753U CN204504127U CN 204504127 U CN204504127 U CN 204504127U CN 201520128753 U CN201520128753 U CN 201520128753U CN 204504127 U CN204504127 U CN 204504127U
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- induction heater
- mold
- induction
- isothermal forging
- bed die
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Abstract
The utility model is the stacked induction heater of isothermal forging φ 900mm-φ 2000mm upper/lower die, and its structure is that mold induction heater is stacked on bed die induction heater; Described mold induction heater, its structure is that 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.Advantage: shorten the φ 900mm-φ 2000mm isothermal forging dies heat time, 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.
Description
Technical field
The utility model relates to the stacked induction heater of a kind of isothermal forging φ 900mm-φ 2000mm upper/lower die, belong 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
The utility model proposes the stacked induction heater of a kind of isothermal forging φ 900mm-φ 2000mm upper/lower die, 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 utility model: 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 utility model: 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 (2)
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 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 |
|---|---|---|---|
| CN201520128753.0U CN204504127U (en) | 2015-03-06 | 2015-03-06 | Isothermal forging φ 900-2000mm upper/lower die closed assembly induction heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128753.0U CN204504127U (en) | 2015-03-06 | 2015-03-06 | Isothermal forging φ 900-2000mm upper/lower die closed assembly induction heater |
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| Publication Number | Publication Date |
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| CN204504127U true CN204504127U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520128753.0U Active CN204504127U (en) | 2015-03-06 | 2015-03-06 | Isothermal forging φ 900-2000mm upper/lower die closed assembly induction heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646590A (en) * | 2015-03-06 | 2015-05-27 | 朱兴发 | Phi900-2000mm upper and lower die stacking type induction heating furnace for isothermal forging |
-
2015
- 2015-03-06 CN CN201520128753.0U patent/CN204504127U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646590A (en) * | 2015-03-06 | 2015-05-27 | 朱兴发 | Phi900-2000mm upper and lower die stacking type induction heating furnace for isothermal forging |
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