CN106903247A - Miniature turbine disk building mortion and method - Google Patents
Miniature turbine disk building mortion and method Download PDFInfo
- Publication number
- CN106903247A CN106903247A CN201710322108.6A CN201710322108A CN106903247A CN 106903247 A CN106903247 A CN 106903247A CN 201710322108 A CN201710322108 A CN 201710322108A CN 106903247 A CN106903247 A CN 106903247A
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- Prior art keywords
- punch
- cavity
- turbine disk
- upper punch
- die
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/025—Closed die forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/32—Making machine elements wheels; discs discs, e.g. disc wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention relates to miniature turbine disk precision manufactureing field, specifically related to a kind of miniature turbine disk building mortion and method, it is characterized in that being provided with upper die plate (1) and lower template (2), wherein upper die plate (1) is provided with guide pin bushing (3), lower template (2) is provided with the guide pillar (4) being engaged with guide pin bushing (3), upper die plate (1) and lower template (2) are made up of the framework of closing guide pin bushing (3) and guide pillar (4), and mould subsidiary body is provided with the framework of the closing；The mould subsidiary body includes upper punch fixed plate (7), upper punch (8), die block (9), floating cavity die (10), spring (11), low punch (12), induction coil (14), cavity plate cavity volume (16), liftout bolt (18), ceramic jacket (20)；The present invention relative to prior art, with simple structure, short technological process, efficiency high, low cost and other advantages.
Description
Technical field
The present invention relates to miniature turbine disk precision manufactureing field, and in particular to a kind of miniature turbine disk building mortion and side
Method.
Background technology
Minute vehicle is one of product of current aerospace field most attraction, and the miniaturization of power set is asked
Topic is then the key technology of the stronger more flexible new micro aircraft of performance.Microjet is important one of which
Micro-power plant, its size is about the 1/100~1/10 of typical turbine engine, with small volume, it is lightweight, can be just
Take, the advantages of thrust-weight ratio is big, either to military fields such as national defence, Aero-Space still to micro power source, mobile communication, machine
The civil areas such as people all have the prospect of huge application potential and light.Micro turbine engine operation principle and traditional combustion
Gas eddy turbine is identical, and simply size is especially small, and rotating speed is especially high, and burning time is short, and design, processing and manufacturing are more difficult.
Miniature turbine disk as tiny engine core component, its crudy, performance and stability are to miniature
The efficiently military service of engine is significant.At present, miniature turbine disk mainly uses foundry engieering, micro EDM skill
Art, Fine Machinery process technology and Micro Ed-milling process technology etc..The miniature turbine disk that above-mentioned processing method is processed
There is a certain distance for forging at the aspect such as structure property and surface quality in component.But the forging of miniature parts
Shaping becomes abnormal difficult due to the presence of dimensional effect.Therefore, carry out the research of miniature turbine disk Precision Manufacturing Technology, have
Highly important economic implications.
The content of the invention
The present invention is for shortcoming and defect present in prior art, it is proposed that a kind of method deformed by precise plastic
Manufacture miniature turbine dish structure, with process is simple, low cost, efficiency high, stock utilization is high, be easily achieved mass production
The features such as miniature turbine disk building mortion and method.
The present invention is reached by following measures：
A kind of miniature turbine disk building mortion, it is characterised in that be provided with upper die plate (1) and lower template (2), wherein upper die plate
(1) guide pin bushing (3) is provided with, lower template (2) is provided with the guide pillar (4) being engaged with guide pin bushing (3), upper die plate (1) and lower template (2)
The framework of closing is made up of guide pin bushing (3) and guide pillar (4), mould subsidiary body is provided with the framework of the closing；The mould is attached
Category mechanism includes upper punch fixed plate (7), upper punch (8), die block (9), floating cavity die (10), spring (11), undershoot
Head (12), induction coil (14), cavity plate cavity volume (16), liftout bolt (18), ceramic jacket (20)；Wherein upper punch (8) is through upper punching
Head fixed plate (7) is fixed on upper die plate (1) bottom, and upper punch fixed plate (7) is fixed on upper mould through bolt (5) and alignment pin (6)
On plate (1), upper die plate (1) is capable of achieving to pump by guide pin bushing (3) and guide pillar (4), and upper punch (8) can be with upper die plate
(1) move up and down；Cavity plate cavity volume (16) is fixed together by screw (17) and alignment pin (19) with lower template (2), low punch
(12) keep coaxial positioned at the middle part of cavity plate cavity volume (16) and with upper punch, blank (21) is placed in upper punch (8), low punch (12)
And floating cavity die (10) between, the mold cavity of upper punch (8), low punch (12) and floating cavity die (10) composition is micro- for shaping
The type turbine disk；Floating cavity die (10) and spring (11) are fixed in cavity plate cavity volume (16) by die block (9)
In cavity plate cavity volume (16)；Ceramic jacket (20) positioned at cavity plate cavity volume (16) outside and above lower template (2), liftout bolt
(18) positioned at low punch (12) below, and with cavity plate cavity volume (16) centrally through threaded connection, induction coil (14) is positioned at ceramics
The outside epimere of set (20)；Heat sensor hole (15) is provided with the side wall of cavity plate cavity volume (16) and ceramic jacket (20).
Upper die plate (1) drives upper punch to move under the driving of forcing press in the present invention.
Be additionally provided with electromagnetic induction mechanism in the present invention, the electromagnetic induction mechanism include induction power supply, cooling body and
Induction coil, wherein induction power supply are powered for induction coil, and cooling body is provided with water pump and cooling water circulation passage, the present invention
Using copper pipe as induction coil, copper pipe centre gangway is used as cooling water circulation passage.
Temperature sensor is placed in the present invention in heat sensor hole (15), temperature sensor is by wire and outside temperature control
Instrument is connected.
Guiding in the present invention between upper die plate (1), lower template (2) ensures by guide pin bushing (3) and guide pillar (4).
In order in ensureing forming process, mould does not deform or destroys in the present invention, mold materials select molybdenum tungsten zirconium hafnium
Alloy.
The invention allows for a kind of miniature turbine disk manufacturing process using above-mentioned miniature turbine disk building mortion, it is special
It is that blank is positioned in forming die device die cavity to levy, and runs integrally heat blank by electromagnetic induction heating device
Predetermined temperature, and moved downward by forcing press moved cross beam, drive the punch-pin linked together with upper die plate to move and will press
Power is applied on blank, and blank is plastically deformed in the pressure effect of punch-die, shapes desired miniature turbine dish structure；
Specifically include following steps：
Step one：Upper die plate (1) drives upper punch (8) up together under the driving of forcing press, goes upward to upper punch (8)
Stop during position away from die block (12) upper surface 5-10mm；
Step 2：The mold cavity of floating cavity die (10) and low punch (12) composition will be positioned over by the blank of processing
It is interior；
Step 3：Start electromagnetic induction mechanism and the region that induction coil (14) is wrapped up quickly is heated, pass through
Temperature sensor in insertion heat sensor hole (15) is measured to its heating-up temperature, when blank heating to 950-1250 DEG C
When, and it is incubated 60-120s；
Step 4：Driving upper punch (8) quick fortune downwards is run downwards with the speed of 50-100mm/min by forcing press
Dynamic, when upper punch (8) is apart from blank (21) 0.5-1mm positions, the speed that forcing press speed is adjusted into 0.1-1mm/min is downward
Run and drive upper punch (8) to move downward, blank (21) occurs jumping-up and becomes under upper punch (8) and low punch (12) effect
Shape, whne upper punch (8) and during floating cavity die (10) upper surface, upper punch (8) and by spring (11) branch under pressure
The floating cavity die (10) of support is descending with same speed, and blank (21) is in upper punch (8), low punch (12) and floating cavity die (10)
In the presence of continue to be plastically deformed, when forcing press reaches displacement set in advance or load, pressurize 1-3 minutes, then unload
Punch-pin (5) load is gone, now miniature turbine disk component forming is finished；
Step 5：Upper punch (8) is moved upwardly together with upper die plate (1) in the presence of forcing press, treat upper punch (8) away from
Stop during position away from die block (12) upper surface 10-20mm, turn liftout bolt (18) up and order about low punch
(17) up, by the part after shaping, the ejection from floating cavity die (10), now takes out drip molding；
Step 6：Upper punch (8) is moved downward under the driving of forcing press, and comes downwards to the position in step one.
Heretofore described miniature turbine disk blank is high temperature alloy, including nickel base superalloy, iron-base superalloy
And cobalt base superalloy.
Heretofore described miniature turbine disk diameter is in 0.2-2.0mm scopes in 2.0-10.0mm scopes, thickness.
Heretofore described miniature turbine disk falcon well width is 0.2-1.0mm, depth is 0.1-3.0mm, falcon groove number
10-30.
The technical advantage of apparatus of the present invention and method is embodied in：
(1) die device framework is oriented to using accurate guide pillar-guiding sleeve type structure, and guiding accuracy is high.(2) using overall
Frame-type and punch and matrix fabricated structure are designed, after being conveniently replaceable different punch and matrix mould structures and punch and matrix damage
Rapid-maintenance.(3) ceramic heat-insulation board structure design is used, is easy to protection die device to avoid bearing high temperature, it is ensured that mould is oriented to
Precision；(4) electromagnetic induction non-contact thermal mode is used, firing rate is greatly improved, is reduced blank surface oxidation, carried significantly
High efficiency and product quality.(5) size of part is constrained by mold cavity, the uniformity for obtaining product is good, chi
Very little high precision, function admirable.(6) it is processed using pressure forming mode, forming process is easily controllable, can be changed as needed
Become technique or blank parameter.(7) floating cavity die structure design is used, it is active friction to become negative friction, improves material flowing row
To improve material property.(8) the miniature turbine disk part material utilization rate using the manufacture of enclosed isothermal die forging process technology is high,
Secondary operation is not needed.(9) using the miniature turbine disk part microstructure of enclosed isothermal die forging process technology manufacture along parts profile
In streamline distribution, comprehensive mechanical property is excellent.
Brief description of the drawings：
Accompanying drawing 1 is structural representation of the invention.
Accompanying drawing 2 is die device partial enlarged drawing in the present invention.
Reference：1. upper die plate；2. lower template；3. guide pin bushing；4. guide pillar；5. bolt；6. alignment pin 1；7. upper punch is consolidated
Fixed board；8. upper punch；9. die block；10. floating cavity die；11. springs；12. low punches；13. screws 1；14. lines of induction
Circle；15. gauge holes；16. cavity plate cavity volumes；17. screws 2；18. liftout bolts；19. alignment pins 2；20. ceramic jackets；21. blanks
Specific embodiment：
1 and 2 describe the details and working condition of technical scheme proposed by the present invention in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention proposes a kind of miniature turbine disk building mortion, wherein upper die plate (1) and lower template (2)
The framework of closing is made up of guide pin bushing (3) and guide pillar (4), all accessory structures of mould are all on the framework of the closing.On
Drift (8) is fixed on upper die plate (1) by the bolt (5) and alignment pin (6) through upper punch fixed plate (7).Floating cavity die
(10) and spring (11) is in the cavity plate cavity volume (16), and it is fixed in cavity plate cavity volume (16) by die block (9).
With lower template (2) be fixed together for it by screw (17) and alignment pin (19) by cavity plate cavity volume (16).Low punch (12) is located at
Cavity plate cavity volume (16) middle part simultaneously keeps coaxial with upper punch, such upper punch (8), low punch (12) and floating cavity die (10) composition
Mold cavity be used for the forming micro turbine disk.Ceramic jacket (20) is above cavity plate cavity volume (16) outside, lower template (2).
Induction coil (14) is positioned at the outside epimere of ceramic jacket (20).Have one in the sidewall locations of cavity plate cavity volume (16) and ceramic jacket (20)
Heat sensor hole (15).Liftout bolt (18) positioned at low punch (12) below, and with cavity plate cavity volume (16) centrally through screw thread connect
Connect.Upper die plate (1) is capable of achieving to pump by guide pin bushing (3) and guide pillar (4).Upper punch (8) can be with upper die plate (1) up and down
It is mobile.Blank (21) is placed between upper punch (8), low punch (12) and floating cavity die (10).
Guiding between upper die plate (1), the lower template (2) of present embodiment is to lean on guide pin bushing (3) and guide pillar (4) to ensure
's.
The design of the upper punch (8), low punch (12) and floating cavity die (10) of present embodiment：In order to ensure forming process
In, mould does not deform or destroys, and mold materials select molybdenum tungsten zirconium hafnium alloy.
Specific embodiment one：Present embodiment is illustrated with reference to Fig. 1 and 2, present embodiment is with GH4169 high temperature alloy materials
The method that manufacture miniature turbine dish structure is introduced as a example by material, concretely comprises the following steps：
Step one：Upper die plate (1) drives upper punch (8) up together under the driving of forcing press, goes upward to upper punch (8)
Stop during position away from die block (12) upper surface 5-10mm.
Step 2：The mold cavity of floating cavity die (10) and low punch (12) composition will be positioned over by the blank of processing
It is interior；
Step 3：Start electromagnetic induction device and the region that induction coil (14) is wrapped up quickly is heated, pass through
Temperature sensor in insertion heat sensor hole (15) is measured to its heating-up temperature, when blank heating to 950-1250 DEG C
When, and it is incubated 60-120s；
Step 4：Driving upper punch (8) quick fortune downwards is run downwards with the speed of 50-100mm/min by forcing press
Dynamic, when upper punch (8) is apart from blank (21) 0.5-1mm positions, the speed that forcing press speed is adjusted into 0.1-1mm/min is downward
Run and drive upper punch (8) to move downward, blank (21) occurs jumping-up and becomes under upper punch (8) and low punch (12) effect
Shape, whne upper punch (8) and during floating cavity die (10) upper surface, upper punch (8) and by spring (11) branch under pressure
The floating cavity die (10) of support is descending with same speed, and blank (21) is in upper punch (8), low punch (12) and floating cavity die (10)
In the presence of continue to be plastically deformed, when forcing press reaches displacement set in advance or load, pressurize 1-3 minutes, then unload
Punch-pin (5) load is gone, now miniature turbine disk component forming is finished；
Step 5：Upper punch (8) is moved upwardly together with upper die plate (1) in the presence of forcing press, treat upper punch (8) away from
Stop during position away from die block (12) upper surface 10-20mm, turn liftout bolt (18) up and order about low punch
(17) up, by the part after shaping, the ejection from floating cavity die (10), now takes out drip molding；
Step 6：Upper punch (8) is moved downward under the driving of forcing press, and comes downwards to the position in step one；
According to above-mentioned implementation method, scope described in present invention can be implemented, and the present invention is not limited solely to above-mentioned reality
Apply mode.
The present invention relative to prior art, with simple structure, short technological process, efficiency high, low cost and other advantages.
Claims (10)
1. a kind of miniature turbine disk building mortion, it is characterised in that be provided with upper die plate (1) and lower template (2), wherein upper die plate (1)
Guide pin bushing (3) is provided with, lower template (2) is provided with the guide pillar (4) being engaged with guide pin bushing (3), and upper die plate (1) and lower template (2) are logical
The framework of guide pin bushing (3) and guide pillar (4) composition closing is crossed, mould subsidiary body is provided with the framework of the closing；The mould is attached
Mechanism includes upper punch fixed plate (7), upper punch (8), die block (9), floating cavity die (10), spring (11), low punch
(12), induction coil (14), cavity plate cavity volume (16), liftout bolt (18), ceramic jacket (20)；Wherein upper punch (8) is through upper punch
Fixed plate (7) is fixed on upper die plate (1) bottom, and upper punch fixed plate (7) is fixed on upper die plate through bolt (5) and alignment pin (6)
(1) on, upper die plate (1) is capable of achieving to pump by guide pin bushing (3) and guide pillar (4), and upper punch (8) can be with upper die plate (1)
Move up and down；Cavity plate cavity volume (16) is fixed together by screw (17) and alignment pin (19) with lower template (2), low punch (12)
Keep coaxial positioned at the middle part of cavity plate cavity volume (16) and with upper punch, blank (21) is placed in upper punch (8), low punch (12) and floats
Between dynamic cavity plate (10), the mold cavity of upper punch (8), low punch (12) and floating cavity die (10) composition is used for forming micro whirlpool
Wheel disc；Floating cavity die (10) and spring (11) are fixed in recessed in cavity plate cavity volume (16) by die block (9)
In mould cavity volume (16)；Ceramic jacket (20) positioned at cavity plate cavity volume (16) outside and above lower template (2), liftout bolt (18)
Positioned at low punch (12) below, and with cavity plate cavity volume (16) centrally through threaded connection, induction coil (14) is positioned at ceramic jacket
(20) outside epimere；Heat sensor hole (15) is provided with the side wall of cavity plate cavity volume (16) and ceramic jacket (20).
2. a kind of miniature turbine disk building mortion according to claim 1, it is characterised in that upper die plate (1) is in forcing press
Drive lower drive upper punch motion.
3. a kind of miniature turbine disk building mortion according to claim 1, it is characterised in that be additionally provided with electromagnetic induction mechanism,
The electromagnetic induction mechanism includes induction power supply, cooling body and induction coil, and wherein induction power supply is powered for induction coil,
Cooling body is provided with water pump and cooling water circulation passage, and the present invention using copper pipe as induction coil, make by copper pipe centre gangway
It is cooling water circulation passage.
4. a kind of miniature turbine disk building mortion according to claim 1, it is characterised in that heat sensor hole sets in (15)
There is temperature sensor, temperature sensor is connected with the temperature controller of outside.
5. a kind of miniature turbine disk building mortion according to claim 1, it is characterised in that upper die plate (1), lower template (2)
Between guiding ensure by guide pin bushing (3) and guide pillar (4).
6. a kind of miniature turbine disk building mortion according to claim 1, it is characterised in that mold materials select molybdenum tungsten zirconium
Hafnium alloy.
7. it is a kind of using as described in any one in claim 1-6 miniature turbine disk building mortion miniature turbine disk shaping side
Method, it is characterised in that blank is positioned in forming die device die cavity, is run blank is whole by electromagnetic induction heating device
The predetermined temperature of body heating, and moved downward by forcing press moved cross beam, drive punch-pin to move and apply pressure at blank
On, blank is plastically deformed in the pressure effect of punch-die, shapes desired miniature turbine dish structure；
Specifically include following steps：
Step one：Upper die plate (1) drives upper punch (8) up together under the driving of forcing press, goes upward to upper punch (8) away from recessed
Stop during the position of mould fixed plate (12) upper surface 5-10mm；
Step 2：To be positioned in mold cavity of the floating cavity die (10) with low punch (12) composition by the blank of processing；
Step 3：Start electromagnetic induction mechanism and the region that induction coil (14) is wrapped up quickly is heated, by insertion
Temperature sensor in heat sensor hole (15) is measured to its heating-up temperature, when blank heating is to 950-1250 DEG C, and
Insulation 60-120s；
Step 4：Driving upper punch (8) quick motion downwards is run downwards with the speed of 50-100mm/min by forcing press, is treated
When upper punch (8) is apart from blank (21) 0.5-1mm positions, the speed that forcing press speed is adjusted to 0.1-1mm/min is run downwards
And drive upper punch (8) to move downward, there is Upsetting in blank (21), treat under upper punch (8) and low punch (12) effect
When upper punch (8) and floating cavity die (10) upper surface, upper punch (8) and floated by spring (11) support under pressure
Dynamic cavity plate (10) is descending with same speed, effect of the blank (21) in upper punch (8), low punch (12) and floating cavity die (10)
Lower continuation is plastically deformed, and when forcing press reaches displacement set in advance or load, pressurize 1-3 minutes, then sheds punch-pin
(5) load, now miniature turbine disk component forming finish；
Step 5：Upper punch (8) is moved upwardly together with upper die plate (1) in the presence of forcing press, treats upper punch (8) away from away from recessed
Stop during the position of mould fixed plate (12) upper surface 10-20mm, turn liftout bolt (18) up and order about on low punch (17)
OK, the ejection from floating cavity die (10) by the part after shaping, now takes out drip molding；
Step 6：Upper punch (8) is moved downward under the driving of forcing press, and comes downwards to the position in step one.
8. a kind of miniature turbine disk manufacturing process according to claim 7, it is characterised in that described miniature turbine disk base
Material is high temperature alloy, including nickel base superalloy, iron-base superalloy and cobalt base superalloy.
9. a kind of miniature turbine disk manufacturing process according to claim 7, it is characterised in that described miniature turbine disk is straight
Footpath is in 0.2-2.0mm scopes in 2.0-10.0mm scopes, thickness.
10. a kind of miniature turbine disk manufacturing process according to claim 7, it is characterised in that described miniature turbine disk falcon
Well width is 0.2-1.0mm, depth for 0.1-3.0mm, falcon groove number 10-30 are individual.
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| CN201710322108.6A CN106903247A (en) | 2017-05-09 | 2017-05-09 | Miniature turbine disk building mortion and method |
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| CN201710322108.6A CN106903247A (en) | 2017-05-09 | 2017-05-09 | Miniature turbine disk building mortion and method |
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| CN110479935A (en) * | 2019-09-20 | 2019-11-22 | 贵州航天精工制造有限公司 | It is a kind of for adjusting the device and method of high-intensity fasteners blank heating length |
| CN112570609A (en) * | 2020-12-11 | 2021-03-30 | 江苏保捷锻压有限公司 | Forging process of inner straight hole piece |
| 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 |
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Application publication date: 20170630 |