CN204276771U - A kind of press-bending of refinement twin shaft neck aluminium alloy vane grain size and blocking integration mold - Google Patents

A kind of press-bending of refinement twin shaft neck aluminium alloy vane grain size and blocking integration mold Download PDF

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Publication number
CN204276771U
CN204276771U CN201420657030.5U CN201420657030U CN204276771U CN 204276771 U CN204276771 U CN 204276771U CN 201420657030 U CN201420657030 U CN 201420657030U CN 204276771 U CN204276771 U CN 204276771U
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China
Prior art keywords
bending
press
blocking
counterdie
shape chamber
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Expired - Fee Related
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CN201420657030.5U
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Chinese (zh)
Inventor
单善
汪大成
马巍
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AECC Shenyang Liming Aero Engine Co Ltd
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Shenyang Liming Aero Engine Group Co Ltd
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Priority to CN201420657030.5U priority Critical patent/CN204276771U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a kind of press-bending and blocking integration mold of refinement twin shaft neck aluminium alloy vane grain size, belongs to the technical field of forging of aero-engine twin shaft neck class aluminium alloy vane.This mould is made up of counterdie and patrix, and counterdie and patrix are contained in upper and lower two die holders of equipment respectively, coordinates by equipment guide rail guiding; Counterdie is provided with counterdie press-bending die shape chamber and counterdie blocking shape chamber, and patrix is provided with patrix press-bending punch shape chamber and patrix blocking shape chamber, and press-bending die cavity is used for bending, and blocking die cavity is used for blocking.The utility model press-bending shape chamber and blocking shape chamber are designed on one module, die holder size design 2 Dies can be made full use of, realize a Forge Heating fire and carry out twice forging and molding process, enhance productivity, reduce heat time of blank, reasonable distribution prefabricated blank volume and deflection, thus improve stock utilization, the refinement grain size of aluminium alloy vane, for saving production cost, reducing, mass loss has great importance.

Description

A kind of press-bending of refinement twin shaft neck aluminium alloy vane grain size and blocking integration mold
Technical field
The utility model belongs to the technical field of forging of aero-engine twin shaft neck class aluminium alloy vane, is specifically related to a kind of press-bending and blocking integration mold of refinement twin shaft neck aluminium alloy vane grain size.
Background technology
Twin shaft neck class aluminium alloy vane is a kind of vane type common in aeronautical product, and traditional shaping route is that flat-die flattens, blocking is under-voltage, finish-forging forming process to adopt finish-forging die to carry out.The traditional Design of Dies of twin shaft neck class aluminium alloy vane is on adopting, lower 2 flat-dies carry out flattening base, then adopt same set of mould to carry out the under-voltage and finish-forging of blocking to be shaped, its shortcoming is that stock utilization is low, and blade use same set of mould carry out blocking under-voltage time, owing to flattening stock volume unreasonable distribution, cause blade when finish-forging blade local because tearing on the excessive generation surface of deflection, and axle journal place and blade local are usually because local deformation amount too small (entering aluminum alloy materials critical strain district) produces coarse-grain quality problems and scraps, affect product to pay, therefore novel die need be designed for solving the problem.
Summary of the invention
For reducing forging times, reasonable distribution forging deformation amount, solve and use traditional moulds to design the problems such as the aluminium alloy vane coarse grains on surface produced, improve forging qualification rate, the utility model provides a kind of press-bending and blocking integration mold of refinement twin shaft neck aluminium alloy vane grain size.
The press-bending of a kind of refinement twin shaft of the utility model neck aluminium alloy vane grain size and blocking integration mold, be made up of counterdie and patrix, and counterdie and patrix are contained in upper and lower two die holders of equipment respectively, coordinates by equipment guide rail guiding; Counterdie is provided with counterdie press-bending die shape chamber and counterdie blocking shape chamber, and patrix is provided with patrix press-bending punch shape chamber and patrix blocking shape chamber, and press-bending die cavity is used for bending, and blocking die cavity is used for blocking.
Described counterdie press-bending shape chamber is provided with line of demarcation, location, and closely cooperated in upset part major part top and line of demarcation 13, location after locating, can bend to upset part, the press-bending part shape obtained can mate Preform Die.
During work, first upset part is put into shape chamber, bending in use and shape chamber, keeps motionless, hit downwards fast, thus obtain blade press-bending part; Then utilize clamp fast press-bending part to be put into shape chamber and carry out blocking, same maintenance is motionless, hits downwards fast, obtains pre-forging.
This Novel bending and the integrally formed mould of blocking, upset blank is carried out preform, and by optimizing pre-forging stock shape, for finish-forging reserves suitable deflection, avoid because finish-forging deflection is unreasonable that blade is produced surface is torn and coarse-grain problem, improve the quality of products.
Bend and blocking integration mold, structurally will consider the restriction of die holder horizontal space size, reasonable distribution press-bending shape chamber and blocking shape chamber size, location when upset part bends, the mating and the mating of forging and finish-forging die in advance of press-bending part and Preform Die.Novel integrated mould is divided into upper and lower two modules, and upper and lower mould respectively has two die cavities, and a die cavity is used for bending, and another die cavity is used for blocking.Because die holder bulk is limited, adopt the design in mould two chamber, just need consider the size arrangement in two shape chambeies.Burr bridge place, blocking shape chamber is of a size of laterally required full-size, therefore after its complete cloth of guarantee arranges, then determines press-bending shape chamber width dimensions, ensures that two shape chambeies designs meet the needs of shaping on a mould.Press-bending shape chamber is mainly for carrying out reasonable distribution by the bar volume after upset, each profile cross-sectional volume is made to meet prefabricated blank shaping needs, line of demarcation, a location is designed in press-bending shape chamber, line of demarcation, location is positioned on counterdie press-bending shape chamber, in Fig. 4, on the left of shape chamber, step place is line of demarcation, location, closely cooperated in upset part major part top and step place after locating, can bend to upset part, the press-bending part shape obtained can mate Preform Die; Blocking shape chamber mainly completes blocking forging deformation, obtains the pre-forging mated with finish-forging shape chamber.The object of blocking shape chamber design makes blade part produce Upsetting, and necked part produces reverse extrusion distortion, is finish-forging and is shaped and reserves suitable deflection, because deflection is too small when can avoid finish-forging, and the forging coarse grains on surface problem caused.Utilize Deform simulation softward to simulate the flow tendency of blank in pre-forging process, the blank of blade twin shaft neck position can be full of Preform Die shape chamber and have more than needed, therefore devises the mutually isostructural burr bridge with finish-forging die at Preform Die axle journal position; And the blank at blade blade position does not flow out blocking shape chamber when blocking, therefore relieving formula shape chamber is adopted, blank is allowed to carry out freely flattening shaping, the deckle-edged pre-forging of the twin shaft neckstrap obtained thus can be put in the middle of finish-forging die easily, mate finish-forging die completely, can not forging defect be produced when finish-forging.The convenience also needing consideration to operate when arranging press-bending die cavity and blocking die cavity, is arranged in the left side of blocking die cavity by press-bending die cavity, press-bending part can be turn to right side blocking die cavity with pliers by operator rapidly, completes a forging operation.
The utility model press-bending shape chamber and blocking shape chamber are designed on one module, die holder size design 2 Dies can be made full use of, realize a Forge Heating fire and carry out twice forging and molding process, enhance productivity, reduce heat time of blank, and reasonable distribution prefabricated blank volume and deflection, thus improve stock utilization, the refinement grain size of aluminium alloy vane, for the mass loss that saves production cost, reduces, there is important practical significance.
After the utility model mould comes into operation, solve the quality problems that aluminum alloy materials blade is scrapped because grain size is defective, forging qualification rate brings up to more than 97% by original 30%, the more original molding mode of stock utilization improves about 30.2%, loss due to spoiled work and cost of raw and processed materials about more than 40 ten thousand yuan can be saved every year, can be the design of similar axle journal class blade mold and reference is provided.
Accompanying drawing explanation
Fig. 1 is this axle journal class blade upset mould;
Fig. 2 is for bending and blocking integration mold overall diagram;
Fig. 3 is for bending and blocking integration mold shape chamber top view;
Fig. 4 is press-bending die cavity profile;
Fig. 5 blade upset part schematic diagram;
Fig. 6 blade press-bending part schematic diagram;
The pre-forging schematic diagram of Fig. 7 blade;
Fig. 8 blade finish-forging part schematic diagram;
Wherein 1 is counterdie, and 2 is patrix, and 11 is counterdie press-bending die shape chamber, and 12 is counterdie blocking shape chamber, and 13 is line of demarcation, location; 21 is patrix press-bending punch shape chamber, and 22 is patrix blocking shape chamber; 3 is upset drift, and 4 is upset former.
Detailed description of the invention
The press-bending of a kind of refinement twin shaft of the utility model neck aluminium alloy vane grain size and blocking integration mold, be made up of counterdie 1 and patrix 2, and counterdie 1 and patrix 2 lead and coordinate; Counterdie 1 is provided with counterdie press-bending die shape chamber 11 and counterdie blocking shape chamber 12, and patrix 2 is provided with patrix press-bending punch shape chamber 21 and patrix blocking shape chamber 22, and press-bending die cavity is used for bending, and blocking die cavity is used for blocking.
Described counterdie press-bending shape chamber 11 is provided with line of demarcation 13, location, and closely cooperated in upset part major part top and line of demarcation 13, location after locating, can bend to upset part, the press-bending part shape obtained can mate Preform Die.
During work, first upset part being put into 11 shape chambeies, bends in use 11 and 21 shape chambeies, and 11 keep motionless, and 21 hit 11 downwards fast, thus obtain blade press-bending part; Then utilize clamp fast press-bending part to be put into 12 shape chambeies and carry out blocking, same 12 keep motionless, and 2,2 hit 12 downwards fast, obtain pre-forging.
The overall process of bar upset, press-bending and blocking, finish-forging as shown in figures 5-8, uses the method for operation of this novel die as follows:
(1) the upset mould in Fig. 1 is used.During work, 4 formers keep motionless, and 3 drifts move to 2 formers by guide effect, die cavity contact rod stub bar portion, jumping-up is carried out in bar local, obtains the upset part shown in Fig. 5;
(2) press-bending in Fig. 2 and blocking integration mold is used.During work, the upset part (1) obtained puts into the shape chamber of 1 counterdie, and 1 counterdie keeps motionless, 2 patrix sharp downward movement, and the forging distortion through 2 shape chambeies, completes one-off.
Concrete operations order: first upset part is put into 11 shape chambeies, uses 11 and 21 shape chambeies to bend.During work, 21 hit 11 downwards fast, thus obtain the blade press-bending part shown in Fig. 6; Then utilize clamp fast press-bending part to be put into 12 shape chambeies and carry out blocking, same 12 keep motionless, and 22 hit 12 downwards fast, obtain the pre-forging shown in Fig. 7.
(3) the pre-forging using original finish-forging die strike (2) to obtain obtains the blade finish-forging part shown in Fig. 8.
As can be seen from Figure 3, press-bending shape chamber and blocking shape chamber are designed on one module, die holder size design 2 Dies can be made full use of, realize a Forge Heating fire and carry out twice forging and molding process, enhance productivity, reduce heat time of blank, and reasonable distribution prefabricated blank volume and deflection, thus improve stock utilization, the refinement grain size of aluminium alloy vane, for the mass loss that saves production cost, reduces, there is important practical significance.

Claims (2)

1. the press-bending of refinement twin shaft neck aluminium alloy vane grain size and a blocking integration mold, it is characterized in that this mould is made up of counterdie and patrix, counterdie and patrix are contained in upper and lower two die holders of equipment respectively, coordinate by equipment guide rail guiding; Counterdie is provided with counterdie press-bending die shape chamber and counterdie blocking shape chamber, and patrix is provided with patrix press-bending punch shape chamber and patrix blocking shape chamber, and press-bending die cavity is used for bending, and blocking die cavity is used for blocking.
2. the press-bending of a kind of refinement twin shaft neck aluminium alloy vane grain size according to claim 1 and blocking integration mold, it is characterized in that described counterdie press-bending shape chamber is provided with line of demarcation, location, upset part major part top and line of demarcation, location are closely cooperated after locating, can bend to upset part, the press-bending part shape obtained can mate Preform Die.
CN201420657030.5U 2014-11-05 2014-11-05 A kind of press-bending of refinement twin shaft neck aluminium alloy vane grain size and blocking integration mold Expired - Fee Related CN204276771U (en)

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CN201420657030.5U CN204276771U (en) 2014-11-05 2014-11-05 A kind of press-bending of refinement twin shaft neck aluminium alloy vane grain size and blocking integration mold

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CN201420657030.5U CN204276771U (en) 2014-11-05 2014-11-05 A kind of press-bending of refinement twin shaft neck aluminium alloy vane grain size and blocking integration mold

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436383A (en) * 2016-01-11 2016-03-30 无锡透平叶片有限公司 Die structure for preventing die forging turbine blade profile from being filled with materials insufficiently
CN109590429A (en) * 2018-11-27 2019-04-09 中国航发沈阳黎明航空发动机有限责任公司 A kind of manufacturing process and mold of bias adjustable vane
CN111745108A (en) * 2020-06-30 2020-10-09 中国航发动力股份有限公司 Method for blanking arched rod of arched precision-forged blade
CN111745104A (en) * 2020-07-02 2020-10-09 无锡航亚科技股份有限公司 Forging method for improving grain size of high-nitrogen stainless steel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436383A (en) * 2016-01-11 2016-03-30 无锡透平叶片有限公司 Die structure for preventing die forging turbine blade profile from being filled with materials insufficiently
CN109590429A (en) * 2018-11-27 2019-04-09 中国航发沈阳黎明航空发动机有限责任公司 A kind of manufacturing process and mold of bias adjustable vane
CN111745108A (en) * 2020-06-30 2020-10-09 中国航发动力股份有限公司 Method for blanking arched rod of arched precision-forged blade
CN111745104A (en) * 2020-07-02 2020-10-09 无锡航亚科技股份有限公司 Forging method for improving grain size of high-nitrogen stainless steel
CN111745104B (en) * 2020-07-02 2022-04-29 无锡航亚科技股份有限公司 Forging method for improving grain size of high-nitrogen stainless steel

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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6

Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company

Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6

Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City

CP01 Change in the name or title of a patent holder
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150422

Termination date: 20201105

CF01 Termination of patent right due to non-payment of annual fee