CN105499476A - Vacuum insulation induction heating furnace for forging - Google Patents

Vacuum insulation induction heating furnace for forging Download PDF

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Publication number
CN105499476A
CN105499476A CN201510980268.0A CN201510980268A CN105499476A CN 105499476 A CN105499476 A CN 105499476A CN 201510980268 A CN201510980268 A CN 201510980268A CN 105499476 A CN105499476 A CN 105499476A
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China
Prior art keywords
vacuum heat
preserving
induction
forging
workpiece
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Application number
CN201510980268.0A
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Chinese (zh)
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CN105499476B (en
Inventor
彭龙生
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HUNAN LIFANG ROLLER Co.,Ltd.
University of South China
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Hunan Lisheng Mill Roll Co Ltd
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Priority to CN201510980268.0A priority Critical patent/CN105499476B/en
Publication of CN105499476A publication Critical patent/CN105499476A/en
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Publication of CN105499476B publication Critical patent/CN105499476B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J17/00Forge furnaces
    • B21J17/02Forge furnaces electrically heated

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • General Induction Heating (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

The invention discloses a vacuum insulation induction heating furnace for forging. The vacuum insulation induction heating furnace for forging is characterized by comprising a heating part and a workpiece access part; the heating part includes an induction heating device and a vacuum pumping system; the induction heating device includes a bracket, a vacuum insulation cover, an induction oil and temperature measurers; the vacuum insulation cover is positioned at the upper end of the bracket; the lower end of the vacuum insulation cover is opened; an induction coil is positioned in the vacuum insulation cover; the temperature measurers are uniformly distributed on the vacuum insulation cover; the vacuum pumping system is communicated with the vacuum insulation cover; and the workpiece access part includes a lifting mechanism, an access driving mechanism and an operation car. The vacuum insulation induction heating furnace for forging adopts an induction heating mode to a workpiece under vacuum condition, is higher in heating speed, heat utilization rate and temperature uniformity, can save the resource, and facilitates to save the cost.

Description

One forges uses vacuum heat-preserving induction heater
Technical field
The present invention relates to one to forge and forge use vacuum heat-preserving induction heater with firing equipment, particularly one.
Background technology
Forging processing is the common a kind of processing mode of metal material, can eliminate the defects such as cast condition that metal produces in smelting process is loose, optimizing heterogeneous microstructure, obtaining complete metal streamline simultaneously, make processing work possess good mechanical performance by forging.At present, the metal mode of heating major part forged in process adopts flame directly heat or adopt resistance heated, these two kinds of mode of heatings carry out all in atmosphere, there is oxidative phenomena in the new surface of carrying out in atmosphere producing when the process that forges is easy to cause forging, the generation of oxidative phenomena not only can affect the performance of metal, also can increase the workload forged, cause the wasting of resources, especially for some precious metals, the waste of material can also be caused; In addition, flame directly heats and all to have with resistance heated that the more difficult control of temperature, firing rate are slow, the not high defect of heat skewness, heat utilization ratio, needs to seek new method.
In prior art, the example that the method for eddy-current heating is applied in intermetallic composite coating is also more, as CN203846077U has announced a kind of axial workpiece quenching induction heating apparatus and induction hardening equipment thereof, it can realize end difference or the quenching uniformly such as progressive portion or oral area of axial workpiece; And for example CN2861179Y announces a kind of heat treatment induction heating apparatus of the non-wall thickness axial workpiece such as isometrical and non-, and this device is specially adapted to the heat treatment of the axletree axis body of heavy-duty car, and not only heating quality is high, and saves the energy, and production efficiency is high; For another example CN101168789A discloses a kind of evacuation gas protection induction heating furnace, and it can improve firing rate, enhances productivity, and saves electric energy.Openly be not applied to metal forges aspect to induction heating mode disclosed in above prior art on the one hand, can't ensure that the uniformity of eddy-current heating is higher, heat utilization ratio is higher on the other hand.
Summary of the invention
The object of the invention is to overcome the above-mentioned deficiency of prior art and provide one to forge to use vacuum heat-preserving induction heater, it adopts the mode under vacuum workpiece being adopted to eddy-current heating, not only there is higher firing rate, higher heat utilization ratio, temperature homogeneity be higher, also can saving resource, be beneficial to cost-saving.
Technical scheme of the present invention is: one forges uses vacuum heat-preserving induction heater, it is characterized in that: comprise heating part and workpiece turnover part, described heating part comprises induction heating apparatus, pumped vacuum systems, described induction heating apparatus comprises support, vacuum heat-preserving cover, induction coil and temperature measurer, vacuum heat-preserving cover is positioned at the upper end of support, described vacuum heat-preserving cover lower ending opening, induction coil is in vacuum heat-preserving cover, temperature measurer is distributed on vacuum heat-preserving cover, and described pumped vacuum systems is communicated with vacuum heat-preserving cover.
The further technical scheme of the present invention is: described workpiece turnover part comprises elevating mechanism, inlet-outlet driving mechanism and operation dolly, described elevating mechanism is fixed on the top of operation dolly, elevating mechanism is provided with workpiece placement station, the lower ending opening of vacuum heat-preserving cover can seal by described workpiece placement station, and workpiece placement station is rotary structure; Described inlet-outlet driving mechanism is arranged on operation dolly.
Further, described induction coil is connected with transformer by the wiring cabinet being provided with multiple binding post.
Further, described induction coil forms the cylindrical-shaped structure of hollow, and the distance between induction coil and workpiece is 3 ~ 5cm.
Further, described inlet-outlet driving mechanism comprises the drive motors be arranged on operation dolly car face and the driving wheel be arranged on operation dolly bottom surface, and drive motors is connected by chain with driving wheel.
Further, described elevating mechanism comprises hydraulic mechanism, bracing frame and portable plate, portable plate level is arranged in bracing frame, hydraulic mechanism is arranged on operation dolly, hydraulic mechanism is in bracing frame inside, portable plate is arranged on the top of hydraulic mechanism, and workpiece placement station is arranged on portable plate, and bracing frame is provided with the import and export for workpiece turnover.
Further, described pumped vacuum systems is vavuum pump.
Further, described temperature measurer is infrared radiation thermometer, and temperature measurer carries out Detection & Controling by operating room, and operating room is provided with the control room of middle control computer in being.
Further, the lower end of described vacuum heat-preserving cover is provided with sealing ring; Vacuum heat-preserving cover is made up of the insulation material of more internal porous.
Further, described vacuum heat-preserving induction heater forges front heating for the part that blank material is cylinder class.
The present invention compared with prior art has following features:
(1) induction coil forging the cylindrical-shaped structure being provided with hollow with vacuum heat-preserving induction heater in vacuum heat-preserving cover provided by the invention, heat before providing metal material to forge by eddy-current heating, ensure that metal material oxidative phenomena can not occur in heating process, the loss of less material, there is higher firing rate, higher heat utilization ratio, be beneficial to cost-saving;
(2) provided by the invention forging is evenly equipped with infrared radiation thermometer with vacuum heat-preserving induction heater in vacuum heat-preserving cover, can in vacuum heat-preserving cover everywhere temperature (heat up and insulation) carry out Real-Time Monitoring, ensure that the uniformity of vacuum heat-preserving case temperature is higher, in in operating room, computer control blanking is controlled after workpiece reaches set point of temperature, turn next operation dolly to be circulated by track, accuracy is higher, save time, and is beneficial to and enhances productivity;
(3) distance between control induction coil provided by the invention and workpiece is 3 ~ 5cm, can ensure in eddy-current heating process, effect between workpiece and induction coil both can not be too strong, also can not be too weak, so both can meet the higher efficiency of heating surface, the phenomenon causing workpiece to ftracture too soon can not be raised because of temperature again, ensure that the quality forging front workpiece is higher;
(4) provided by the invention forging uses vacuum heat-preserving eddy-current heating furnace structure simple, easy to operate, realizes feeding and discharging process, save manpower, and reliability is higher by elevating mechanism and operation dolly.
Below in conjunction with the drawings and specific embodiments, detailed construction of the present invention is further described.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
As shown in drawings: one forges uses vacuum heat-preserving induction heater, comprise heating part and workpiece turnover part, heating part comprises induction heating apparatus 7, pumped vacuum systems 4, induction heating apparatus 7 comprises support 2, vacuum heat-preserving cover 6, induction coil 10 and temperature measurer 9, vacuum heat-preserving cover 6 is positioned at the upper end of support 2, vacuum heat-preserving cover 6 lower ending opening, induction coil 10 is in vacuum heat-preserving cover 6, temperature measurer 9 is distributed on vacuum heat-preserving cover 6, pumped vacuum systems 4 is communicated with vacuum heat-preserving cover 6, and pumped vacuum systems 4 is vavuum pump; Workpiece turnover part comprises elevating mechanism 3, inlet-outlet driving mechanism 16 and operation dolly 18, elevating mechanism 3 is fixed on the top of operation dolly 18, elevating mechanism 3 is provided with workpiece placement station 11, for place work piece 8, the lower ending opening of vacuum heat-preserving cover 6 can seal by workpiece placement station 11, makes vacuum heat-preserving cover 6 form seal cavity, is convenient to vacuum heat-preserving cover 6 inside to be evacuated, workpiece placement station 11 is rotary structure, is convenient to the homogeneous heating of workpiece 8; Inlet-outlet driving mechanism 16 is arranged on operation dolly 18, moves horizontally to drive operation dolly 18.
Induction coil 10 is connected with transformer 1 by the wiring cabinet 5 being provided with multiple binding post, induction coil 10 is made to carry out coiling by multiple wiring, according to the height of workpiece blank, select corresponding wiring, adjust the intensity of transformer 1 electric current by middle control computer and ensure that the stability of electric current is higher; Induction coil 10 forms the cylindrical-shaped structure of hollow, workpiece 8 is in the cylindrical-shaped structure of hollow, distance between induction coil 10 and workpiece 8 is 4cm, both can ensure in eddy-current heating process under this distance, effect between workpiece 8 and induction coil 10 both can not be too strong, also can not be too weak, so both can meet the higher efficiency of heating surface, the phenomenon causing workpiece to ftracture too soon can not be raised because of temperature again, ensure that the quality forged is higher.
Inlet-outlet driving mechanism 16 comprises the drive motors 17 be arranged on operation dolly 18 car face and the driving wheel 19 be arranged on operation dolly 18 bottom surface, and drive motors 17 is connected by chain with driving wheel 19, ensures the comparatively steady of operation dolly 18 movement.
Elevating mechanism 3 comprises hydraulic mechanism 14, bracing frame 13 and portable plate 12, portable plate 12 level is arranged in bracing frame 13, hydraulic mechanism 14 is arranged on operation dolly 18, it is inner that hydraulic mechanism 14 is in bracing frame 13, portable plate 12 is arranged on the top of hydraulic mechanism 14, workpiece placement station 11 is arranged on portable plate 12, being moved up and down along bracing frame 13 by portable plate 12 drives workpiece placement station 11 to move up and down, and then workpiece 8 can be driven to pass in and out vacuum heat-preserving cover 6, bracing frame 13 is provided with the import and export for workpiece turnover.
Temperature measurer 9 is infrared radiation thermometer, and the accuracy rate of thermometric is higher; Temperature measurer 9 carries out Detection & Controling by operating room 15, is convenient to monitor in real time temperature measurer 9, and operating room 15 is provided with the control room of middle control computer in being, can realize automation.
The lower end of vacuum heat-preserving cover 6 is provided with sealing ring (not shown), ensures that between workpiece placement station 11 and vacuum heat-preserving cover 6, sealing is better; Vacuum heat-preserving cover 6 is made up of the insulation material of more internal porous, and heat insulation effect is better.
What this invention provided forge, and to be mainly used in blank material with vacuum heat-preserving induction heater be that the part of cylinder class forges front heating.
Operation principle of the present invention and using method are: be placed on by workpiece 8 in workpiece placement station 11, turn down the height of portable plate 12, the support 2 operation dolly 18 being moved to induction heating apparatus 7 by inlet-outlet driving mechanism 16 is inner, workpiece 8 is made to aim at the hollow structure of induction coil 10, operation dolly 18 is fixed, regulate the height of portable plate 12, the opening of vacuum heat-preserving cover 6 lower end is sealed by workpiece placement station 11, now, it is inner that workpiece 8 is by chance in induction coil 10 completely, by pumped vacuum systems 4 by vacuum state in vacuum heat-preserving cover 6, then start induction coil 10 pairs of workpiece 8 by transformer 1 to heat, firing rate is very fast, real time temperature measurement is carried out by the temperature in temperature measurer 9 pairs of vacuum heat-preserving covers 6, and monitored in real time by operating room 15 pairs of heating-up temperatures, the voltage of transformer 1 is regulated according to temperature-measuring results, electric current, reach the object heating up or be incubated, to ensure in vacuum heat-preserving cover 6 that temperature homogeneity is everywhere better, carry out forging when workpiece 8 is heated to the temperature of needs.

Claims (10)

1. one kind forges and uses vacuum heat-preserving induction heater, it is characterized in that: comprise heating part and workpiece turnover part, heating part comprises induction heating apparatus, pumped vacuum systems, induction heating apparatus comprises support, vacuum heat-preserving cover, induction coil and temperature measurer, vacuum heat-preserving cover is positioned at the upper end of support, vacuum heat-preserving cover lower ending opening, and induction coil is in vacuum heat-preserving cover, temperature measurer is distributed on vacuum heat-preserving cover, and pumped vacuum systems is communicated with vacuum heat-preserving cover.
2. according to claim 1 forging uses vacuum heat-preserving induction heater, it is characterized in that: workpiece turnover part comprises elevating mechanism, inlet-outlet driving mechanism and operation dolly, elevating mechanism is fixed on the top of operation dolly, elevating mechanism is provided with workpiece placement station, the lower ending opening of vacuum heat-preserving cover can seal by workpiece placement station, and workpiece placement station is rotary structure; Inlet-outlet driving mechanism is arranged on operation dolly.
3. according to claim 1 forging uses vacuum heat-preserving induction heater, it is characterized in that: induction coil is connected with transformer by the wiring cabinet being provided with multiple binding post.
4. according to claim 1 forging uses vacuum heat-preserving induction heater, it is characterized in that: induction coil forms the cylindrical-shaped structure of hollow, and the distance between induction coil and workpiece is 3 ~ 5cm.
5. forging according to Claims 2 or 3 or 4 uses vacuum heat-preserving induction heater, it is characterized in that: inlet-outlet driving mechanism comprises the drive motors be arranged on operation dolly car face and the driving wheel be arranged on operation dolly bottom surface, and drive motors is connected by chain with driving wheel.
6. forging according to Claims 2 or 3 or 4 uses vacuum heat-preserving induction heater, it is characterized in that: elevating mechanism comprises hydraulic mechanism, bracing frame and portable plate, portable plate level is arranged in bracing frame, hydraulic mechanism is arranged on operation dolly, hydraulic mechanism is in bracing frame inside, portable plate is arranged on the top of hydraulic mechanism, and workpiece placement station is arranged on portable plate, and bracing frame is provided with the import and export for workpiece turnover.
7. forging according to any one of claim 1-4 uses vacuum heat-preserving induction heater, it is characterized in that: pumped vacuum systems is vavuum pump.
8. forging according to any one of claim 1-4 uses vacuum heat-preserving induction heater, it is characterized in that: temperature measurer is infrared radiation thermometer, and temperature measurer carries out Detection & Controling by operating room, and operating room is provided with the control room of middle control computer in being.
9. forging according to any one of claim 1-4 uses vacuum heat-preserving induction heater, it is characterized in that: the lower end of vacuum heat-preserving cover is provided with sealing ring; Vacuum heat-preserving cover is made up of the insulation material of more internal porous.
10. forging according to any one of claim 1-4 uses vacuum heat-preserving induction heater, it is characterized in that: its part being cylinder class for blank material forges front heating.
CN201510980268.0A 2015-12-24 2015-12-24 One kind is forged with vacuum heat-preserving induction heater Active CN105499476B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106643146A (en) * 2016-11-15 2017-05-10 天津林立感应加热电炉制造有限公司 Heating electric furnace with medium-frequency control touch screen
CN108676998A (en) * 2018-08-14 2018-10-19 宜兴市宇能冶金设备制造有限公司 Outer-cover type incudes vacuum annealing furnace mechanism
CN108687299A (en) * 2018-08-09 2018-10-23 德清县鑫宏锻造有限公司 Forge furnace
CN109692936A (en) * 2018-11-15 2019-04-30 齐重数控装备股份有限公司 Vertical induction heating machine
CN110578039A (en) * 2019-09-24 2019-12-17 上海百善实业发展有限公司 Vacuum induction heating and N2Cooling device
CN116408407A (en) * 2023-03-24 2023-07-11 天津市天锻压力机有限公司 Totally-enclosed intelligent manufacturing production line and production method of isothermal forging press

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06285577A (en) * 1993-04-08 1994-10-11 Mitsubishi Electric Corp Induction heating device
CN102554106A (en) * 2011-11-16 2012-07-11 四川畅丰车桥有限公司 Automatic feeding medium-frequency diathermic furnace for forging automobile half axle
CN203247292U (en) * 2013-05-06 2013-10-23 段红军 Vacuumizing and heating device for insulated pipe
CN103575102A (en) * 2012-08-10 2014-02-12 西安蓝海冶金设备有限公司 Multipurpose semicontinuous vacuum induction casting furnace
JP5643541B2 (en) * 2010-05-13 2014-12-17 ポーライト株式会社 Method for producing metal glass product and composite of different materials
CN204097548U (en) * 2014-09-13 2015-01-14 包头市三隆稀有金属材料有限责任公司 A kind of samarium metal large-sized distillation furnace
CN205341797U (en) * 2015-12-24 2016-06-29 湖南力升轧辊有限公司 Forge to beat and use vacuum insulation induction heating furnace

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06285577A (en) * 1993-04-08 1994-10-11 Mitsubishi Electric Corp Induction heating device
JP5643541B2 (en) * 2010-05-13 2014-12-17 ポーライト株式会社 Method for producing metal glass product and composite of different materials
CN102554106A (en) * 2011-11-16 2012-07-11 四川畅丰车桥有限公司 Automatic feeding medium-frequency diathermic furnace for forging automobile half axle
CN103575102A (en) * 2012-08-10 2014-02-12 西安蓝海冶金设备有限公司 Multipurpose semicontinuous vacuum induction casting furnace
CN203247292U (en) * 2013-05-06 2013-10-23 段红军 Vacuumizing and heating device for insulated pipe
CN204097548U (en) * 2014-09-13 2015-01-14 包头市三隆稀有金属材料有限责任公司 A kind of samarium metal large-sized distillation furnace
CN205341797U (en) * 2015-12-24 2016-06-29 湖南力升轧辊有限公司 Forge to beat and use vacuum insulation induction heating furnace

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106643146A (en) * 2016-11-15 2017-05-10 天津林立感应加热电炉制造有限公司 Heating electric furnace with medium-frequency control touch screen
CN108687299A (en) * 2018-08-09 2018-10-23 德清县鑫宏锻造有限公司 Forge furnace
CN108676998A (en) * 2018-08-14 2018-10-19 宜兴市宇能冶金设备制造有限公司 Outer-cover type incudes vacuum annealing furnace mechanism
CN109692936A (en) * 2018-11-15 2019-04-30 齐重数控装备股份有限公司 Vertical induction heating machine
CN109692936B (en) * 2018-11-15 2023-08-08 齐重数控装备股份有限公司 Vertical induction heater
CN110578039A (en) * 2019-09-24 2019-12-17 上海百善实业发展有限公司 Vacuum induction heating and N2Cooling device
CN116408407A (en) * 2023-03-24 2023-07-11 天津市天锻压力机有限公司 Totally-enclosed intelligent manufacturing production line and production method of isothermal forging press
CN116408407B (en) * 2023-03-24 2023-10-24 天津市天锻压力机有限公司 Totally-enclosed intelligent manufacturing production line and production method of isothermal forging press

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Effective date of registration: 20161202

Address after: 421681 Qidong, Hunan Province Yang Yang Town Industrial Park

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Inventor after: Peng Longsheng

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Effective date of registration: 20210907

Address after: 421681 Guiyang Town Industrial Park, Qidong County, Hengyang City, Hunan Province

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Address before: 421681 Guiyang Town Industrial Park, Qidong County, Hengyang City, Hunan Province

Patentee before: HUNAN LIFANG ROLLER Co.,Ltd.

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