CN202037286U - Online heating device for forging and stamping flat anvil or mold - Google Patents
Online heating device for forging and stamping flat anvil or mold Download PDFInfo
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- CN202037286U CN202037286U CN2011200415800U CN201120041580U CN202037286U CN 202037286 U CN202037286 U CN 202037286U CN 2011200415800 U CN2011200415800 U CN 2011200415800U CN 201120041580 U CN201120041580 U CN 201120041580U CN 202037286 U CN202037286 U CN 202037286U
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- flat anvil
- forging
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Abstract
The utility model discloses an online heating device for forging and stamping a flat anvil or a mold. An upper flat anvil and a lower flat anvil or an upper mold and a lower mold are installed in a furnace body with a furnace lining from top to bottom, an annular space is formed by the upper flat anvil and the lower flat anvil or the upper mold and the lower mold together with the inner wall of the furnace lining, a burner is arranged at the bottom of the annular space, is equipped with an igniting solenoid valve and an automatic high-pressure igniter, and is connected with an air pipeline and a gas pipeline respectively, the bottom of the furnace body is arranged on the ground, and the top of the furnace body is opened and opposite to a pressing machine. Gas is ignited by the igniting solenoid valve and the automatic high-pressure igniter of the burner, so that the whole annular space is fully filled with high-temperature hot gas so as to heat the upper flat anvil and the lower flat anvil or the upper mold and the lower mold. The temperature fluctuation of the flat anvils or the molds in the whole forging and stamping production cycle is small, so that workpieces to be forged and stamped are uniform in temperature, deformation and final performances, the performance and the quality of forging pieces are stable, and the cracking of metal blanks in the forging and stamping process can be avoided.
Description
Technical field
The present invention relates to the online heater of a kind of metal material forging and pressing flat anvil or mould.
Background technology
The forging and pressing deformation processing is the most frequently used deformation processing methods of metal material such as iron and steel, aluminium alloy, magnesium alloy, titanium alloy and copper alloy.Utilize upper and lower flat anvil on the forging equipment or upper and lower mould that the metal stock application of force is produced plastic deformation, make the method for size, shape and tissue, forging that performance is qualified.The forcing press that is used to forge and press has hydraulic press, hydraulic press and fly press etc.Forging and pressing processing is divided into open die forging, die forging, plate stamping etc. according to the size and dimension of forging and the mould structure and the forging equipment of employing.Temperature cold forging, warm forging and the forge hot respectively of metal forging stock during according to forging and pressing.General cold forging is mainly used in the extraordinary alloy of plasticity under the room temperature state, and such as mild steel, fine aluminium and part aluminium alloy, fine copper and part copper alloy, cold forging can improve the intensity of alloy, but the plasticity of alloy material is reduced.The utility model relates to forge hot.
When metal stock was pressed in forge hot, upper and lower flat anvil or upper and lower mould all were to be heated to a certain suitable temperature earlier in special tool mold heated stove, are installed on the forging equipment and use; Because it is more time-consuming that upper and lower flat anvil or upper and lower mould are installed, therefore in certain production time section, produce order of classes or grades at school or in 8 hours, upper and lower flat anvil or upper and lower mould no longer melt down heating such as one.Needing all metal stocks of forging and pressing then is to be heated to the forging and pressing temperature in special-purpose blank heating furnace, the forging and pressing processing of coming out of the stove successively then, and generally, the metal stock temperature is always than the temperature height of upper and lower flat anvil or upper and lower mould.
Along with the carrying out that forging and pressing are produced, the temperature of upper and lower flat anvil or upper and lower mould will reduce gradually, and because the difference of temperature, metal stock temperature and forging and pressing rhythm etc., the temperature of upper and lower flat anvil or upper and lower mould is unmanageable often.
Because the conduction of the heat between blank and flat anvil or mould, the surrounding air, the temperature of blank will inevitably reduce.Because the thermal conductivity between the metal is than higher, heat output between blank and the flat anvil is very big, on the other hand, because therefore always local the contact usually cause metal stock each several part non-uniform temperature between blank and flat anvil or the mould, and then the distortion that makes the blank each several part is with finally performance is inhomogeneous, gently then cause the forging performance quality to descend, heavy then produce waste product, when especially this inhomogeneities is very serious, even cause metal stock in the forging and pressing process, to ftracture.
The utility model content
The purpose of this utility model provides forging and pressing flat anvil or the online heater of mould, this online heater is arranged on the periphery of flat anvil or mould, the vacant time between before a workpiece forging and pressing end back and a back workpiece forging and pressing begin before utilizing is carried out the line heating to forging and pressing flat anvil or mould, the fluctuation of temperature in the whole forging and pressing production cycle of flat anvil or mould reduced, thereby make forging and pressing workpiece each several part temperature, distortion and final performance even, the performance quality of forging is stable, avoids metal stock to ftracture in the forging and pressing process.
For achieving the above object, the utility model is taked following technical scheme:
A kind of forging and pressing flat anvil or the online heater of mould, in being provided with the body of heater of furnace lining, upper and lower flat anvil or upper and lower mould are installed from top to bottom, form annulus between upper and lower flat anvil or upper and lower mould and the furnace lining inwall, bottom at this annulus is provided with burner, and is furnished with igniter solenoid valve and high pressure automatic ignitor on burner, and described burner connects air pipe line and fuel gas pipeline respectively, the bottom of body of heater is sitting on the ground, and the open top of body of heater is relative with press.
Igniter solenoid valve and high pressure automatic ignitor by burner are lighted combustion gas, make whole annulus be full of the hot gas of high temperature, form the heating to upper and lower flat anvil or upper and lower mould.
In forging and pressing flat anvil of the present utility model or the online heater of mould, described body of heater is a cuboid; Described burner is two, lays respectively at the place, any two diagonal angles of the bottom rectangle of annulus.
In forging and pressing flat anvil of the present utility model or the online heater of mould, the import department of described air pipe line is provided with blower fan, and is provided with air cutoff valve and air manometer on air pipe line.
In forging and pressing flat anvil of the present utility model or the online heater of mould, described fuel gas pipeline be provided with fuel gas shutoff valve, gas electromagnetic valve, gas ratio valve and gaseous-pressure table.
In forging and pressing flat anvil of the present utility model or the online heater of mould, described air pipe line is an air header and two air arms being divided into by this air header, described blower fan is located at the import department of this air header, described air cutoff valve is two, and is located at respectively on two air arms; Two combustion gas arms that described fuel gas pipeline also corresponds to a combustion gas house steward and is divided into by this combustion gas house steward, described gas ratio valve is two, and be located at respectively on two combustion gas arms, and by described gas ratio valve connection combustion gas arm separately, the combustion gas branched pipe is connected in parallel respectively again, described combustion gas branched pipe is connected to the import department of the air cutoff valve of pairing air arm, described fuel gas shutoff valve is four, and be located at before the gas ratio valve of two combustion gas arms respectively and go up afterwards, described gas electromagnetic valve is two, and is located at respectively between the fuel gas shutoff valve and gas ratio valve of two combustion gas arms.
The utility model has the advantages that:
Forging and pressing flat anvil of the present utility model or the online heater of mould surround flat anvil or mould within it, the vacant time between before a workpiece forging and pressing end back and a back workpiece forging and pressing begin before utilizing is carried out the line heating to forging and pressing flat anvil or mould, the fluctuation of temperature in the whole forging and pressing production cycle of flat anvil or mould reduced, thereby make forging and pressing workpiece each several part temperature, distortion and final performance even, the performance quality of forging is stable, avoids metal stock to ftracture in the forging and pressing process.
Description of drawings
Fig. 1 is forging and pressing flat anvil or the air pipe line of the online heater of mould and the structure principle chart of fuel gas pipeline.
Fig. 2 is forging and pressing flat anvil or the online heater master of mould TV structure figure.
Fig. 3 is forging and pressing flat anvil or the online heater side-looking of mould structure chart.
Fig. 4 is forging and pressing flat anvil or the online heater plan structure of mould figure.
The specific embodiment
Forging and pressing flat anvil of the present utility model or the online heater of mould are mainly by forming as the lower part: furnace binding, gas burning system, air pipe line, entire fibre lining and control system.Specific as follows:
1 furnace binding
Body of heater adopts the combining structure of shaped steel and steel plate.Be provided with the lifting position, be convenient to the body of heater driving and shift.Furnace lining is a fully fibrous structure, and the thick curing agent of fiber surface spraying 3mm increases anti-sweep of gases intensity, prolongs furnace lining service life.
2 gas burning systems
Fuel gas pipeline: the gas pipeline on the body of heater is hot rolled seamless steel tube.Combustion gas hand stop valve, automatic repid cut-off valve, Pressure gauge etc. are installed on the total pipeline.Each burner all disposes gas electromagnetic valve, igniter solenoid valve, high pressure automatic ignitor, flame detector, flame-out protection automatically etc., and manual modulation valve all is housed on each combustion gas arm of burner, can regulate air demand according to furnace temperature.
3 air pipe lines
Air pipe line comprises that blower fan and blower fan arrive whole pipelines of each burner, and blower fan is the novel energy-conserving blower fan, and the motor of blower fan has outside oil filler point.Adjusting device is housed in the air pipe line, realizes adjusting air quantity, blast.The air of body of heater both sides props up tube end rupture pressure disc is housed.On each air arm manual air butterfly valve, expansion joint are housed before the burner, can realize the wind supply quantity adjusting.
4 entire fibre linings
Adopt an overall fixed entire fibre lining of wearing of layer laying shop combination, the fiber material is heat-resisting insulation fibre of high alumina or alumina silicate fibre.Entire fibre lining inner surface spraying high-temperature curing agent increases the intensity and the scour resistance of fiber, and the high-temperature curing agent key component is binding agents such as refractory powder such as silica, alundum (Al, magnesia and waterglass, Ludox.
5 control systems
Adopt the closed loop continuous control system, process curve with setting is system's input quantity, and the signal that feeds back with thermocouple is a feedback quantity, and it is carried out the difference computing, operation result is sent into the large and small fire switching that amplifier amplifies back control flame, reaches the requirement of technology controlling and process.All the time make output quantity follow the variation of input quantity and change.This is a servo-actuated closed-loop control system.
As Fig. 2-shown in Figure 4, forging and pressing flat anvil of the present utility model or the online heater of mould, be in the body of heater 2 that is provided with furnace lining 1, install from top to bottom, following flat anvil or on, bed die 3,4, on, following flat anvil or on, bed die 3,4 and furnace lining 1 inwall between form annulus 5, be provided with burner 6 in the bottom of this annulus 5, and on burner 6, be furnished with igniter solenoid valve and high pressure automatic ignitor, described burner 6 connects air pipe line and fuel gas pipeline (not shown) respectively, the bottom of body of heater 2 is sitting on the ground, and the open top of body of heater 2 is relative with press 7.Described body of heater 2 is a cuboid; Described burner 6 is two, lays respectively at the place, two diagonal angles of the bottom rectangle of annulus 5.Import department at the air pipe line of a side of body of heater 2 is provided with blower fan 8; At a side control cabinet 9 of body of heater 2, forging and pressing flat anvil or mould are carried out the line heating with control.Igniter solenoid valve and high pressure automatic ignitor by burner 6 are lighted combustion gas, the fuel gas buring that fuel gas pipeline is come out, open blower fan 8 simultaneously, make and enter air in the air pipe line continuously, hot gas after the burning enters annulus 5, rise to its top from its underpart along annulus 5, make whole annulus 5 be full of the hot gas of high temperature, form the upper and lower flat anvil in the middle of being positioned at or the heating of upper and lower mould 3,4.And by the temperature of control cabinet 9 controls to the heating of upper and lower flat anvil or upper and lower mould 3,4.
The air pipe line of forging and pressing flat anvil or the online heater of mould and the structure principle chart of fuel gas pipeline are as shown in Figure 1, air pipe line in the online heater of forging and pressing flat anvil of the present utility model or mould is formed by an air header 10 with by two air arms 11 that this air header 10 is divided into, wherein, import department at air header 10 is provided with blower fan 8, and is provided with air pressure switch 12 on air header 10.Air arm 11 above Fig. 1 is provided with air cutoff valve 13 and air manometer 14; Air arm 11 below Fig. 1 is provided with air cutoff valve 13.Fuel gas pipeline in the online heater of forging and pressing flat anvil of the present utility model or mould is formed by a combustion gas house steward 15 with by two combustion gas arms 16 that this combustion gas house steward 15 is divided into, and is provided with gaseous-pressure table 21, gaseous-pressure switch 12, fuel gas shutoff valve 17 (can be the combustion gas hand stop valve), gas electromagnetic valve 18, gas ratio valve 19, fuel gas shutoff valve 20 (can be automatic repid cut-off valve) and gaseous-pressure table 14 on the combustion gas arm 16 above Fig. 1 '; On the combustion gas arm 16 below Fig. 1, be provided with fuel gas shutoff valve 17 (can be the combustion gas hand stop valve), gas electromagnetic valve 18, gas ratio valve 19 and fuel gas shutoff valve 20 (can be automatic repid cut-off valve); Wherein, on two combustion gas arms 16, connect separately combustion gas arm 16 by gas ratio valve 19 respectively, the gas ratio valve 20 combustion gas branched pipe 22 separately that is connected in parallel respectively again, combustion gas branched pipe 22 is connected to the import department of the air cutoff valve 13 of pairing air arm 11.
As Fig. 2-shown in Figure 4, the online heater concrete operations of flat anvil or mould step: mention flat anvil (or patrix) 3, two or four steel cushion blocks are placed in the diagonal angle on following flat anvil (or counterdie) 4, and making formation between flat anvil (or patrix) 3 and the following flat anvil (or counterdie) 4 highly is 50 millimeters～500 millimeters space; Online heater is held on down outside the flat anvil seat, fall flat anvil (or patrix) 3, connect combustion gas, adjust gas flow according to setting heating-up temperature, open heat button, rely on the flame of fuel gas buring ejection, between heater and flat anvil (or mould), form thermal air current, flat anvil (or mould) is heated.
Claims (5)
1. one kind is forged and pressed flat anvil or the online heater of mould, it is characterized in that: in being provided with the body of heater of furnace lining, upper and lower flat anvil or upper and lower mould are installed from top to bottom, form annulus between upper and lower flat anvil or upper and lower mould and the furnace lining inwall, bottom at this annulus is provided with burner, and on burner, be furnished with igniter solenoid valve and high pressure automatic ignitor, described burner connects air pipe line and fuel gas pipeline respectively, the bottom of body of heater is sitting on the ground, and the open top of body of heater is relative with press.
2. forging and pressing flat anvil according to claim 1 or the online heater of mould is characterized in that: described body of heater is a cuboid; Described burner is two, lays respectively at the place, any two diagonal angles of the bottom rectangle of annulus.
3. forging and pressing flat anvil according to claim 1 and 2 or the online heater of mould, it is characterized in that: the import department of described air pipe line is provided with blower fan, and is provided with air cutoff valve and air manometer on air pipe line.
4. forging and pressing flat anvil according to claim 3 or the online heater of mould is characterized in that: described fuel gas pipeline is provided with fuel gas shutoff valve, gas electromagnetic valve, gas ratio valve and gaseous-pressure table.
5. forging and pressing flat anvil according to claim 4 or the online heater of mould, it is characterized in that: described air pipe line is an air header and two air arms being divided into by this air header, described blower fan is located at the import department of this air header, described air cutoff valve is two, and is located at respectively on two air arms; Two combustion gas arms that described fuel gas pipeline also corresponds to a combustion gas house steward and is divided into by this combustion gas house steward, described gas ratio valve is two, and be located at respectively on two combustion gas arms, and by described gas ratio valve connection combustion gas arm separately, the combustion gas branched pipe is connected in parallel respectively again, described combustion gas branched pipe is connected to the import department of the air cutoff valve of pairing air arm, described fuel gas shutoff valve is four, and be located at before the gas ratio valve of two combustion gas arms respectively and go up afterwards, described gas electromagnetic valve is two, and is located at respectively between the fuel gas shutoff valve and gas ratio valve of two combustion gas arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200415800U CN202037286U (en) | 2011-02-18 | 2011-02-18 | Online heating device for forging and stamping flat anvil or mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200415800U CN202037286U (en) | 2011-02-18 | 2011-02-18 | Online heating device for forging and stamping flat anvil or mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202037286U true CN202037286U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200415800U Expired - Lifetime CN202037286U (en) | 2011-02-18 | 2011-02-18 | Online heating device for forging and stamping flat anvil or mold |
Country Status (1)
| Country | Link |
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| CN (1) | CN202037286U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337109A (en) * | 2016-11-15 | 2017-01-18 | 马鞍山钢铁股份有限公司 | Anti-breaking device on continuous annealing processing line for thick type high strength strip steel |
| CN112191795A (en) * | 2020-09-30 | 2021-01-08 | 贵州安大航空锻造有限责任公司 | Forging and pressing forming method for large-scale forge piece |
| CN112355211A (en) * | 2020-09-30 | 2021-02-12 | 江苏永茂普隆汽车配件制造有限公司 | Manufacturing method of free forging |
-
2011
- 2011-02-18 CN CN2011200415800U patent/CN202037286U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337109A (en) * | 2016-11-15 | 2017-01-18 | 马鞍山钢铁股份有限公司 | Anti-breaking device on continuous annealing processing line for thick type high strength strip steel |
| CN106337109B (en) * | 2016-11-15 | 2018-01-02 | 马鞍山钢铁股份有限公司 | A kind of anti-tape cutter of think gauge high strength band steel continuous annealing treatment production line |
| CN112191795A (en) * | 2020-09-30 | 2021-01-08 | 贵州安大航空锻造有限责任公司 | Forging and pressing forming method for large-scale forge piece |
| CN112355211A (en) * | 2020-09-30 | 2021-02-12 | 江苏永茂普隆汽车配件制造有限公司 | Manufacturing method of free forging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190621 Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Research Institute of engineering and Technology Co., Ltd. Address before: No. 2, Xinjie street, Xicheng District, Beijing, Beijing Patentee before: General Research Institute for Nonferrous Metals |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111116 |
|
| CX01 | Expiry of patent term |