CN205217907U - A cabinet -type electric furnace for isothermal forging - Google Patents
A cabinet -type electric furnace for isothermal forging Download PDFInfo
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- CN205217907U CN205217907U CN201521129262.4U CN201521129262U CN205217907U CN 205217907 U CN205217907 U CN 205217907U CN 201521129262 U CN201521129262 U CN 201521129262U CN 205217907 U CN205217907 U CN 205217907U
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Abstract
The utility model relates to a cabinet -type electric furnace for isothermal forging, including the box that is equipped with the furnace gate, the inner wall of box is equipped with flame retardant coating and resistance heating component, has the furnace that can place some forging equipment and two at least work pieces at least in the box, drives the last through -hole of the some forging equipment motion among the furnace after the top of box is equipped with and supplies elevating system to pass, and with elevating system matches to merge and seals go up the insulating layer of through -hole, the bottom of box still is equipped with the lower through -hole that suits with some forging equipment's support structure. The simple structure of this cabinet -type electric furnace need not the outage during use, the security is better, heated mold and a plurality of work piece in succession, production efficiency height to heat effectually, and can make that mould and work piece are all invariable to be forged in furnace under forging temperature, forge the quality in order to improve, the microstructure and the mechanical properties of at utmost assurance product.
Description
Technical field
The utility model relates to a kind of cabinet-type electric furnace for isothermal forging, and specifically a kind of being specially adapted to is heated multiple work piece and the electric furnace of isothermal forging simultaneously.
Background technology
Isothermal forging controls in the scope roughly the same with work piece temperature by the temperature of mould, makes work piece complete forming process under the substantially constant condition of temperature.Tradition cabinet-type electric furnace only has fire door to open and close, if put mould and work piece into burner hearth, take out to Wen Shizai and deliver to forging press, for the structure of traditional cabinet-type electric furnace, this is irrealizable.So be heat mould with the coil of intermediate frequency or radio-frequency generator at present, when forging forming, coil is still enclosed within outside mould and work piece, for the sake of security, with the power supply that should disconnect electric furnace during pickup in forging and stamping process, at this moment the temperature of mould also declines thereupon, when loading onto second work piece, restarting power supply and starting heating mould and second work piece.So not only efficiency is low, and during forging and stamping, temperature is also unstable, has considerable influence to product quality.Particularly in the forging to titanium or titanium alloy, due to titanium or titanium alloy very responsive to temperature, once the work piece temperature of titanium or titanium alloy declines, or the temperature between mould and work piece produces larger difference because of reduction, all can cause the situation of processing rear product uneven microstructure.
In actual applications, for the work piece of different size and shape, intermediate frequency is also different with heating generator coil used, therefore need be equipped with special coil by the shape size of work piece, and the coil that goes down for a long time overstocks a lot, virtually adds cost.
Utility model content
It is simple that technical problem to be solved in the utility model is to provide a kind of structure, heating effect is good, and can make that mould and work piece are all constant to be forged under forging temperature, to improve forging quality, at utmost ensure metallographic structure and the mechanical property of product.
The utility model is used for the cabinet-type electric furnace of isothermal forging, comprise the casing being provided with fire door, the inwall of described casing is provided with flame retardant coating and resistance heating element, having in casing can the burner hearth of at least placement part forging equipment and at least two work pieces, the top of casing is provided with can for the upper through hole of elevating mechanism through the part forging equipment motion in rear drive burner hearth, and match to merge with described elevating mechanism and close the thermal insulation layer of described upper through hole, the bottom of casing is also provided with the lower through-hole adapted with the supporting structure of part forging equipment.
Wherein, described part forging equipment can be the upper die and lower die of coupling mutually.When reality uses, first the upper die and lower die of forging and stamping and work piece can be placed in burner hearth, and elevating mechanism is connected with patrix, described supporting structure is for supporting counterdie, and the position of upper die and lower die can be corresponding.Utilize electric current by producing heat during described stratie, then by hot conduction, convection current, radiation heating upper die and lower die and work piece.Because stratie is located on the inwall of casing, therefore have enough spaces in burner hearth to place multiple work piece, namely except heating is by except the work piece forged and upper die and lower die thereof, also other multiple work pieces can be placed in burner hearth preheating simultaneously, play the effect of economize energy.Described upper through hole, can make elevating mechanism drive patrix move up and down, play the effect of matched moulds and parting, thus realize in burner hearth heating after direct to work piece carry out forging process.In whole work, without the need to power-off, heating link and forging link all can be carried out continuously in burner hearth, and production efficiency is high, can greatly save production cost; Meanwhile, more can make work piece, upper die and lower die are invariable after reaching forging temperature, the product metallographic structure after forging and shape of product meet designing requirement all completely, and product mechanical property is also better.Described thermal insulation layer can play closes the heat insulation effect of upper through hole, heat can be avoided to leak from the gap between elevating mechanism and upper through hole, ensure that the security of use, and the good casing of closed performance better can be incubated, and promotes the heating effect of this cabinet-type electric furnace.
Because lower through-hole adapts with the supporting structure of counterdie, therefore can prevent the heat in burner hearth from leaking to a certain extent, but in order to the closure strengthening casing further also improves the security used, the bottom of casing is also preferably provided with closed described lower through-hole and the heat insulation structural be connected with described supporting structure.In addition, also supporting structure can be arranged to the structure of inverted T-shaped, thus utilize supporting structure self to carry out closed lower through-hole, avoid heat to leak, ensure that the closure of casing is better, improve the security used.
Preferably, described heat insulation structural can be existing asbestos insulation plate and/or cooled plate.Asbestos insulation plate has good effect of heat insulation, and cooled plate can play cooling effect, and both all can make the cabinet-type electric furnace of the application better be incubated while protection casing, promote heating effect.
In actual applications, described heat insulation structural also can be connected with the lower table for load-bearing.Described elevating mechanism comprises and through the elevating lever of upper through hole, and can control the upper table of described elevating lever motion.In order to simplify structure, described upper table and lower table can be the lower work platforms of forcing press, so namely the counterdie in burner hearth is indirectly made to be connected with forcing press respectively with patrix, after work piece reaches forging temperature, can carry out forging processing immediately, convenient practical operation, is conducive to enhancing productivity, and the isothermal forging be particularly suitable for the highstrung work piece of variations in temperature (as titanium or titanium alloy), guarantees that the product quality after forging is better.
Preferably, between elevating lever and upper table, be provided with thermal insulation layer, avoid that temperature is too high causes the forcing press outside cabinet-type electric furnace to damage.Described thermal insulation layer is preferably asbestos insulation plate.
Further, described resistance heating element is resistance wire, Elema or Si-Mo rod.Described flame retardant coating is refractory brick, and refractory brick can be incubated the cabinet-type electric furnace of the application, can protect casing simultaneously.In order to simplify structure further, also can resistance wire be located in the groove of refractory brick, realize comprehensive heating effect.
Further, described casing is also provided with peep hole and thermocouple hole.Described thermocouple hole can be used for installing thermocouple, is convenient to detected temperatures accurately.
The utility model is used for the cabinet-type electric furnace of isothermal forging, structure is simple, without the need to power-off during use, security is better, can laser heating mould and multiple work piece, and production efficiency is high, and heating effect is good, and can make that mould and work piece are all constant to be forged under forging temperature in burner hearth, to improve forging quality, at utmost ensure metallographic structure and the mechanical property of product.
Below in conjunction with the detailed description of the invention of embodiment, foregoing of the present utility model is described in further detail again.But this should be interpreted as that the scope of the above-mentioned theme of the utility model is only limitted to following example.Do not departing from the above-mentioned technological thought situation of the utility model, the various replacement made according to ordinary skill knowledge and customary means or change, all should be included in scope of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cabinet-type electric furnace for isothermal forging of the present utility model.
Detailed description of the invention
The cabinet-type electric furnace for isothermal forging as shown in Figure 1, comprise the casing 3 being provided with fire door, the inwall of described casing 3 is provided with flame retardant coating and stratie, there is in casing 3 burner hearth 4 can placing patrix 11, counterdie 12 and multiple work piece, the top of casing 3 is provided with the upper through hole 10 that can move through the patrix 11 in rear drive burner hearth 4 for elevating mechanism, and match to merge with described elevating mechanism and close the asbestos insulation plate 2 of described upper through hole 10, the bottom of casing 3 is also provided with the lower through-hole 13 adapted with the supporting structure 14 of counterdie 12.
The bottom of casing 3 is also provided with closed described lower through-hole 13 and the heat insulation structural be connected with described supporting structure 14, while protection casing 3, the cabinet-type electric furnace of the application is better incubated, promotes heating effect.Described heat insulation structural can be the asbestos insulation plate 2 and cooled plate 7 that set gradually from top to bottom.Described cooled plate 7 also connects lower table 8, and described elevating mechanism comprises and through the elevating lever 9 of upper through hole 10, and can control the upper table 1 of described elevating lever 9 motion.Described upper table 1 and lower table 8 can be the workbench of the forcing press of forging and stamping, so namely indirectly make the counterdie 12 in burner hearth 4 be connected with forcing press respectively with patrix 11, in burner hearth 4, conveniently directly carry out forging processing.Described supporting structure 14 can be the connecting rod being similar to elevating lever 9.Be provided with asbestos insulation plate 2 between elevating lever 9 and upper table 1, avoid that temperature is too high causes the forcing press outside cabinet-type electric furnace to damage.
Under the effect of asbestos insulation plate 2, the closed performance of casing 3 is better, and security reliability is good, high insulating effect, and is conducive to the heating effect promoting electric furnace.
Described resistance heating element is resistance wire 6, and described flame retardant coating is refractory brick 5.Refractory brick 5 can be incubated the cabinet-type electric furnace of the application, and can protect casing 3, resistance wire 6 is preferably fixed in the groove of casing 3 madial wall refractory brick 5, realizes comprehensive heating effect simultaneously.
Described casing 3 is also provided with peep hole and thermocouple hole (not shown).Described thermocouple hole can be used for installing thermocouple, is convenient to detected temperatures accurately.
When reality uses, first fire door (not shown) is opened, the patrix 11 of forging and stamping, counterdie 12 and work piece (not shown) are placed in burner hearth 4, close fire door, utilize electric current by producing heat during described resistance wire 6, then by hot conduction, convection current, radiation heating patrix 11, counterdie 12 and work piece.
Because resistance wire 6 is fixed in the groove of refractory brick 5, therefore have enough spaces in burner hearth 4 to place multiple work piece, namely except heating is by except the work piece forged and patrix 11 and counterdie 12 thereof, also other multiple work pieces can be placed in burner hearth 4 preheating simultaneously, play the effect of economize energy, be particularly suitable for the less work piece of heated dimensions (the golf club loose mail of such as titanium alloy).After work piece reaches forging temperature, its temperature remains unchanged substantially, also identical all the time with the temperature of patrix 11, counterdie 12, at this moment controls elevating lever 9 by upper table 1 and moves, and drive patrix 11 to move downward, thus directly in burner hearth 4, isothermal forging is carried out to work piece.In whole work, without the need to power-off, heating link and forging link all can be carried out continuously in burner hearth 4, and production efficiency is high, can greatly save production cost; Simultaneously, it is invariable after work piece, patrix 11 and counterdie 12 more can be made to reach forging temperature, product metallographic structure after forging and mechanical property meet the requirements, shape of product also meets designing requirement completely, is particularly suitable for the isothermal forging to the more sensitive work piece of variations in temperature (the golf club loose mail as titanium alloy).
Claims (10)
1. for the cabinet-type electric furnace of isothermal forging, comprise the casing (3) being provided with fire door, it is characterized in that the inwall of described casing (3) is provided with flame retardant coating and resistance heating element, having in casing (3) can the burner hearth (4) of at least placement part forging equipment and at least two work pieces, the top of casing (3) is provided with can for the upper through hole (10) of elevating mechanism through the part forging equipment motion in rear drive burner hearth (4), and match to merge with described elevating mechanism and close the thermal insulation layer of described upper through hole (10), the bottom of casing (3) is also provided with the lower through-hole (13) adapted with the supporting structure of part forging equipment (14).
2., as claimed in claim 1 for the cabinet-type electric furnace of isothermal forging, it is characterized in that the bottom of casing (3) is also provided with closed described lower through-hole (13) and the heat insulation structural be connected with described supporting structure (14).
3., as claimed in claim 2 for the cabinet-type electric furnace of isothermal forging, it is characterized in that described heat insulation structural is asbestos insulation plate (2) and/or cooled plate (7).
4., as claimed in claim 2 for the cabinet-type electric furnace of isothermal forging, it is characterized in that described heat insulation structural is connected with lower table (8).
5. as claimed in claim 1 for the cabinet-type electric furnace of isothermal forging, it is characterized in that elevating mechanism comprises can through the elevating lever (9) of upper through hole (10), and controls the upper table (1) that described elevating lever (9) moves.
6., as claimed in claim 5 for the cabinet-type electric furnace of isothermal forging, it is characterized in that being provided with thermal insulation layer between elevating lever (9) and upper table (1).
7., as claimed in claim 1 for the cabinet-type electric furnace of isothermal forging, it is characterized in that described resistance heating element is resistance wire (6).
8., as claimed in claim 1 for the cabinet-type electric furnace of isothermal forging, it is characterized in that described flame retardant coating is refractory brick (5).
9. the cabinet-type electric furnace for isothermal forging as described in one of claim 1 to 8, is characterized in that described thermal insulation layer is asbestos insulation plate (2).
10. the cabinet-type electric furnace for isothermal forging as described in one of claim 1 to 8, is characterized in that described casing (3) is also provided with peep hole and thermocouple hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129262.4U CN205217907U (en) | 2015-12-29 | 2015-12-29 | A cabinet -type electric furnace for isothermal forging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521129262.4U CN205217907U (en) | 2015-12-29 | 2015-12-29 | A cabinet -type electric furnace for isothermal forging |
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| CN205217907U true CN205217907U (en) | 2016-05-11 |
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| CN201521129262.4U Active CN205217907U (en) | 2015-12-29 | 2015-12-29 | A cabinet -type electric furnace for isothermal forging |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391979A (en) * | 2016-11-30 | 2017-02-15 | 中航动力股份有限公司 | Movable closed isothermal forging die heating device |
| CN107570568A (en) * | 2017-09-18 | 2018-01-12 | 钟斌海 | The processing unit (plant) and processing method of a kind of high-temperature alloy material |
| CN109201986A (en) * | 2018-07-27 | 2019-01-15 | 艾诺克(成都)机械制造有限公司 | A kind of production method of titanium or titanium alloy golf club head loose mail |
| CN113333656A (en) * | 2021-07-06 | 2021-09-03 | 山东威玛装备科技股份有限公司 | Continuous operation equipment for heating and upsetting pipe end of drill pipe body |
| CN113510211A (en) * | 2021-07-06 | 2021-10-19 | 山东威玛装备科技股份有限公司 | Continuous operation process for heating and upsetting pipe end of drill pipe body |
| CN113510212A (en) * | 2021-07-06 | 2021-10-19 | 山东威玛装备科技股份有限公司 | Pipe end upsetting process for titanium alloy drill pipe body |
| CN113547055A (en) * | 2021-07-06 | 2021-10-26 | 山东威玛装备科技股份有限公司 | Pipe end upsetting device for titanium alloy drill pipe body |
| CN113710390A (en) * | 2019-04-26 | 2021-11-26 | 日立金属株式会社 | Forging apparatus and method for manufacturing forged product |
-
2015
- 2015-12-29 CN CN201521129262.4U patent/CN205217907U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391979A (en) * | 2016-11-30 | 2017-02-15 | 中航动力股份有限公司 | Movable closed isothermal forging die heating device |
| CN107570568A (en) * | 2017-09-18 | 2018-01-12 | 钟斌海 | The processing unit (plant) and processing method of a kind of high-temperature alloy material |
| CN107570568B (en) * | 2017-09-18 | 2019-09-20 | 广东书彦材料基因创新科技有限公司 | A kind of processing unit (plant) of high-temperature alloy material |
| CN109201986A (en) * | 2018-07-27 | 2019-01-15 | 艾诺克(成都)机械制造有限公司 | A kind of production method of titanium or titanium alloy golf club head loose mail |
| CN113710390A (en) * | 2019-04-26 | 2021-11-26 | 日立金属株式会社 | Forging apparatus and method for manufacturing forged product |
| CN113710390B (en) * | 2019-04-26 | 2024-05-03 | 株式会社博迈立铖 | Forging apparatus and method for manufacturing forged product |
| CN113333656A (en) * | 2021-07-06 | 2021-09-03 | 山东威玛装备科技股份有限公司 | Continuous operation equipment for heating and upsetting pipe end of drill pipe body |
| CN113510211A (en) * | 2021-07-06 | 2021-10-19 | 山东威玛装备科技股份有限公司 | Continuous operation process for heating and upsetting pipe end of drill pipe body |
| CN113510212A (en) * | 2021-07-06 | 2021-10-19 | 山东威玛装备科技股份有限公司 | Pipe end upsetting process for titanium alloy drill pipe body |
| CN113547055A (en) * | 2021-07-06 | 2021-10-26 | 山东威玛装备科技股份有限公司 | Pipe end upsetting device for titanium alloy drill pipe body |
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