CN104226822A - Mold for forming hollow static blade flow guide core of light-weight gas turbine engine turbine - Google Patents

Mold for forming hollow static blade flow guide core of light-weight gas turbine engine turbine Download PDF

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Publication number
CN104226822A
CN104226822A CN201410498714.XA CN201410498714A CN104226822A CN 104226822 A CN104226822 A CN 104226822A CN 201410498714 A CN201410498714 A CN 201410498714A CN 104226822 A CN104226822 A CN 104226822A
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CN
China
Prior art keywords
gas turbine
forming
die block
water conservancy
conservancy diversion
Prior art date
Application number
CN201410498714.XA
Other languages
Chinese (zh)
Inventor
王德彪
傅晓萍
邸春光
刘钧
周卫潇
王民保
王恒
朴永伟
Original Assignee
哈尔滨汽轮机厂有限责任公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 哈尔滨汽轮机厂有限责任公司 filed Critical 哈尔滨汽轮机厂有限责任公司
Priority to CN201410498714.XA priority Critical patent/CN104226822A/en
Publication of CN104226822A publication Critical patent/CN104226822A/en

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Abstract

The invention provides a mold for forming a hollow static blade flow guide core of a light-weight gas turbine engine turbine, and relates to a mold. The existing hollow static blade flow guide core of the light-weight gas turbine engine turbine has the problems that in the processing process, the molded line structures of the flow guide core are complicated, so the processing work procedures are complicated, and the dimensions and the molded line deviation among individuals are difficult to unify. The mold for forming the hollow static blade flow guide core of the light-weight gas turbine engine turbine comprises a convex module, a concave module and a mandrel, wherein a convex edge is processed on the lower end surface of the convex module, the lower end surface of the convex edge is a first curve surface, a groove matched with the convex edge arranged on the convex module is processed on the upper end surface of the concave module, the groove bottom of the groove is a second curve surface, and when the convex module and the concave module are buckled and the convex edge is positioned in the groove, the mandrel is positioned in the groove and is arranged in a way of forming a gap with the convex edge. The mold provided by the invention is used in the forming process of the hollow static blade flow guide core of the light-weight gas turbine engine turbine.

Description

A kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming
Technical field
The present invention relates to a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming.
Background technology
Gas turbine turbine hollow stationary blade is that one can make high-temperature fuel gas expand acceleration wherein, the blade that can be converted into kinetic energy in combustion gas.Condition residing for turbine hollow stationary blade is very severe, mainly by high temperature and the large combustion gas of temperature difference surround, now Water conservancy diversion core is contained in the hollow die cavity of turbine hollow stationary blade, its effect is when turbine hollow stationary blade works, the flow direction of guiding compressed air in turbine hollow stationary blade, the raising time of staying of compressed air in turbine hollow stationary blade cool turbine hollow stationary blade, prevent from burning turbine hollow stationary blade.So when Water conservancy diversion core carries out cooling work in turbine hollow stationary blade, due to the test requirements document of demand fulfillment gas flow, just can reach the effect of cooling, therefore have strict requirement to the appearance and size of Water conservancy diversion core and molded line deviation.But existing Water conservancy diversion core forming method cannot meet appearance and size and molded line deviation, be difficult to the gas flow requirement ensureing turbine stator blade, stock utilization is low, and preparation cost is high, and preparation section is complicated.
Summary of the invention
The object of this invention is to provide a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming, with existing in the process of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core, the complexity line structure because of Water conservancy diversion core causes size and molded line deviation between its manufacturing procedure complexity, individuality to be difficult to unified problem.
The present invention solves the problems of the technologies described above the technical scheme taked to be:
Described a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming comprises convex module, die block and mandrel, the lower surface of described convex module is processed with a fin, the lower surface of described fin is first surface, the upper surface of described die block is processed with a groove matched with fin on convex module, the bottom land of described groove is the second curved surface, when convex module and die block are interlocked, when described fin is in groove, described mandrel is positioned at groove and arranges with fin gap.
The present invention has following beneficial effect:
1, scientific structure design of the present invention is reasonable, by convex module, between die block and mandrel with the use of, can the Water conservancy diversion core of one time punching molded gas turbine turbine hollow stationary blade, the appearance and size precision of the Water conservancy diversion core after one time punching molded reaches 0.1mm, molded line deviation is little, molded line relative theory value deviation ± 0.2mm, sheet material area utilization improves 30%-40%, ensure that the uniformity of batch micro operations Water conservancy diversion core size.
2, the Water conservancy diversion core processed by the present invention can ensure appearance and size and molded line deviation, can meet again turbine stator blade and should meet gas flow requirement.
3, the present invention is compared with prior art simple to operate, and preparation cost reduces by 30%, and preparation section simplifies, and labour intensity compared with prior art reduces 50%, is applicable to popularity and uses.
4, the present invention has filled up the blank of existing lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core punch-forming mold, the present invention carries out a punching press by the fit structure between the fin of convex module and the groove of die block to the preformed high temperature alloy steel cylinder be sleeved on mandrel, and then forms the Water conservancy diversion core of lightweight gas turbine turbine hollow stationary blade.
Accompanying drawing explanation
Fig. 1 is main TV structure profile of the present invention, Fig. 2 is the plan structure schematic diagram of Fig. 1, Fig. 3 is the main TV structure profile of convex module 1, Fig. 4 be Fig. 3 look up structural representation, Fig. 5 is the main TV structure profile of die block 2, Fig. 6 is the plan structure schematic diagram of Fig. 5, and Fig. 7 is the main TV structure schematic diagram of mandrel 3, and Fig. 8 is the plan structure schematic diagram of Fig. 7.Fig. 9 is the main TV structure schematic diagram of baffle plate 7, and Figure 10 is the plan structure profile of Fig. 7.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8 illustrates present embodiment, described in present embodiment, a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming comprises convex module 1, die block 2 and mandrel 3, the lower surface of described convex module 1 is processed with a fin 4, the lower surface of described fin 4 is first surface 14, the upper surface of described die block 2 is processed with a groove 5 matched with fin 4 on convex module 1, the bottom land of described groove 5 is the second curved surface 15, when convex module 1 is interlocked with die block 2, when described fin 4 is in groove 5, described mandrel 3 is positioned at groove 5 and arranges with fin 4 gap.
The raw material that the present invention manufactures Water conservancy diversion core are preformed high temperature alloy steel cylinders, and preformed high temperature alloy steel cylinder is the shear blanking carrying out high temperature alloy steel plate according to Water conservancy diversion core appearance and size, rolls into the cylinder with a trace overlap limit.The thickness of preformed high temperature alloy steel cylinder is 0.3mm.In the present invention, the effect of mandrel 3 is in the effect played between the fin 4 of convex module 1 and the groove 5 of die block 2 and support preformed high temperature alloy steel cylinder, described mandrel 3 is the axis bodies with angle of inclination, mandrel 3 outer circumference surface is curved surface, matches after its shape and first surface 14, second curved surface 15 fasten.The determination of the molded line size of mandrel 3 is springback capacities according to high temperature alloy steel plate material, Water conservancy diversion core appearance and size and determining.
First be contained on mandrel 3 with a preformed high-temperature alloy steel jacket casing in the present invention, then the mandrel 3 being set with preformed high temperature alloy steel cylinder is placed in the groove 5 of die block 2, the fin 4 of recycling convex module 1 is pressed on and is placed with in the groove 5 of mandrel 3, be upper die face with the first surface 14 of the lower surface of described fin 4 again, second curved surface 15 of the bottom land of groove 5 is lower die face, a punching press is carried out to mandrel, the present invention is cold stamping forming die, without the need to heating, after punch forming, convex module 1 and die block 2 are separated.The curved surface camber of the second curved surface 15 of the curved surface camber of the first surface 14 of the lower surface of described fin 4 and the bottom land of groove 5 is the size of the Water conservancy diversion core manufactured according to specific needs and specifically sets, and the curved surface camber of Water conservancy diversion core to first surface 14 and the second curved surface 15 of processing different size has specifically strict requirement.The molded line size of first surface 1 and the molded line size of the second curved surface 15 considering the springback capacity of high temperature alloy steel plate material, Water conservancy diversion core appearance and size determines.
In present embodiment, fin 4 is inclination fin, and groove 5 is inclined groove 5, and the two angle tilted is consistent with the angle of inclination of mandrel 3.The angle of inclination of mandrel 3 is determined by Water conservancy diversion core spatial form size.
Detailed description of the invention two: composition graphs 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8 illustrate present embodiment, described in present embodiment, a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming also comprises two auxiliary stopper blocks 6, the upper surface of described die block 2 is fixedly connected with two auxiliary stopper blocks 6, described two auxiliary stopper blocks 6 lay respectively at the both sides of groove 5.In present embodiment, two auxiliary stopper blocks 6 are conveniently molding and arrange, when after use punch forming of the present invention, convex module 1 and die block 2 is made to there is gap by two auxiliary stopper blocks 6, this gap makes to be more prone between convex module 1 and die block 2 be separated, and is convenient to processing work of the present invention and carries out smoothly.Auxiliary stopper block 6 is block, rectangular shape or triangle, if can play spacing, facilitate molding effect.Other composition and annexation identical with detailed description of the invention one.
Detailed description of the invention three: composition graphs 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10 illustrate present embodiment, described in present embodiment, a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming also comprises baffle plate 7, when convex module 1 is interlocked with die block 2, described baffle plate 7 is detachably connected on the homonymy of convex module 1 and die block 2.The setting of baffle plate 7 is in order to convex module 1 and die block 2 are when buckling state carries out punching press to the mandrel 3 being set with preformed high temperature alloy steel cylinder, makes position stability between convex module 1 and die block 2, not easily misplaces.Effectively ensure that the machining accuracy of the Water conservancy diversion core after processing.Other composition and annexation identical with two with detailed description of the invention one.
Detailed description of the invention four: composition graphs 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10 illustrates present embodiment, described in present embodiment, a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming also comprises multiple bolt 8, described baffle plate 7 is processed with multiple first screwed hole 9 along the thickness direction in its plate face, length direction along groove 5 in described die block 2 is processed with multiple second screwed hole 10, described multiple bolt 8 is threaded with the first screwed hole 9 and the second screwed hole 10 through the second screwed hole 10 on the first screwed hole 9 on baffle plate 7 and die block 2 successively.This fixed form of baffle plate 7 is the fixed form making fixed effect the best between convex module 1 and die block 2 obtained in test.Baffle plate 7 also can be detachably connected on the side of convex module 1.Described multiple bolt 8 is multiple hex bolts, and the number of bolt 8 is equal with the number of the number of the first screwed hole 9, the second screwed hole 10.Other composition and annexation identical with detailed description of the invention three.
Detailed description of the invention five: composition graphs 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10 illustrate present embodiment, described in present embodiment, a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming also comprises convex module Handheld Division 11 and die block Handheld Division 12, the top of described convex module 1 is fixedly connected with horizontally disposed convex module Handheld Division 11, and the bottom of described die block 2 is fixedly connected with horizontally disposed die block Handheld Division 12.The shape of convex module Handheld Division 11 can be set to rectangular shape or half-circle-arc shape, its object arranged be exactly conveniently operator's both hands capture and be separated convex module 1 and die block 2 and arrange, convex module 1 is separated after punching press preformed high-temperature alloy steel cylinder forms Water conservancy diversion core fast and effectively with die block 2, and position, convex module Handheld Division 11 is handled easily, and person is firmly arranged.The setting of convex module Handheld Division 11 and die block Handheld Division 12 is in order to operator is when utilizing the present invention to carry out punch forming Water conservancy diversion core, convenient crawl and hold convex module 1 and die block 2, control convex module 1 and die block 2 with being conducive to fast and stable, being conducive to processing work of the present invention and carrying out smoothly.Other composition and annexation identical with four with detailed description of the invention one.
In conjunction with detailed description of the invention one, two, three, four and five, operating procedure of the present invention is described:
The first step: first by die block 2 horizontal positioned, choose a size and be suitable for preformed high-temperature alloy steel jacket casing and be contained on mandrel 3, now preformed high temperature alloy steel cylinder and mandrel 3 gap are arranged.
Second step: then the mandrel 3 being set with preformed high temperature alloy steel cylinder is placed in the groove 5 of die block 2, again convex module 1 is fastened on directly over die block 2, on the mandrel 3 fin 4 of convex module 1 being pressed on be set with preformed high temperature alloy steel cylinder, the mandrel 3 being now set with preformed high temperature alloy steel cylinder is adjacent to mutually with the bottom land of die block 2, now for upper die face with the first surface 14 of the lower surface of fin 4, second curved surface 15 of the bottom land of groove 5 is lower die face, carries out a punching press to mandrel.
3rd step: keep the state of second step to carry out punching press to the mandrel 3 being set with preformed high temperature alloy steel cylinder, continue 5 to 10 minutes punching press time.
4th step: after punching press, carries out spot welding to stamping forming Water conservancy diversion core, termination can use after pruning.

Claims (5)

1. a lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming, it is characterized in that: described a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming comprises convex module (1), die block (2) and mandrel (3), the lower surface of described convex module (1) is processed with a fin (4), the lower surface of described fin (4) is first surface (14), the upper surface of described die block (2) is processed with a groove (5) matched with the upper fin (4) of convex module (1), the bottom land of described groove (5) is the second curved surface (15), when convex module (1) is interlocked with die block (2), described fin (4) be in groove (5) interior time, described mandrel (3) is positioned at groove (5) and arranges with fin (4) gap.
2. a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming according to claim 1, it is characterized in that: described a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming also comprises two auxiliary stopper blocks (6), the upper surface of described die block (2) is fixedly connected with two auxiliary stopper blocks (6), described two auxiliary stopper blocks (6) lay respectively at the both sides of groove (5).
3. a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming according to claim 1 and 2, it is characterized in that: described a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming also comprises baffle plate (7), when convex module (1) is interlocked with die block (2), described baffle plate (7) is detachably connected on the homonymy of convex module (1) and die block (2).
4. a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming according to claim 3, it is characterized in that: described a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming also comprises multiple bolt (8), described baffle plate (7) is processed with multiple first screwed hole (9) along the thickness direction in its plate face, length direction along groove (5) in described die block (2) is processed with multiple second screwed hole (10), described multiple bolt (8) is threaded with the first screwed hole (9) and the second screwed hole (10) through the first screwed hole (9) on baffle plate (7) and upper second screwed hole (10) of die block (2) successively.
5. a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming according to claim 1 or 4, it is characterized in that: described a kind of lightweight gas turbine turbine hollow stationary blade Water conservancy diversion core mold for forming also comprises convex module Handheld Division (11) and die block Handheld Division (12), the top of described convex module (1) is fixedly connected with horizontally disposed convex module Handheld Division (11), and the bottom of described die block (2) is fixedly connected with horizontally disposed die block Handheld Division (12).
CN201410498714.XA 2014-09-25 2014-09-25 Mold for forming hollow static blade flow guide core of light-weight gas turbine engine turbine CN104226822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410498714.XA CN104226822A (en) 2014-09-25 2014-09-25 Mold for forming hollow static blade flow guide core of light-weight gas turbine engine turbine

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Application Number Priority Date Filing Date Title
CN201410498714.XA CN104226822A (en) 2014-09-25 2014-09-25 Mold for forming hollow static blade flow guide core of light-weight gas turbine engine turbine

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10277664A (en) * 1997-04-07 1998-10-20 Dainippon Screen Mfg Co Ltd Punch unit
US20090000452A1 (en) * 2007-06-25 2009-01-01 Snecma Tool for rammer die-cutting
CN201921942U (en) * 2010-12-28 2011-08-10 单浩锋 Wedge bending reshaping mould
CN103586634A (en) * 2013-11-01 2014-02-19 哈尔滨汽轮机厂有限责任公司 Method for manufacturing flow diversion core of hollow turbine stator blades of gas turbine
CN203508801U (en) * 2013-11-05 2014-04-02 芜湖市鸿坤汽车零部件有限公司 Forming die for shock absorber spring pallet of automobile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10277664A (en) * 1997-04-07 1998-10-20 Dainippon Screen Mfg Co Ltd Punch unit
US20090000452A1 (en) * 2007-06-25 2009-01-01 Snecma Tool for rammer die-cutting
CN201921942U (en) * 2010-12-28 2011-08-10 单浩锋 Wedge bending reshaping mould
CN103586634A (en) * 2013-11-01 2014-02-19 哈尔滨汽轮机厂有限责任公司 Method for manufacturing flow diversion core of hollow turbine stator blades of gas turbine
CN203508801U (en) * 2013-11-05 2014-04-02 芜湖市鸿坤汽车零部件有限公司 Forming die for shock absorber spring pallet of automobile

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Application publication date: 20141224

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