CN207756826U - A kind of arc forging bending mould - Google Patents
A kind of arc forging bending mould Download PDFInfo
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- CN207756826U CN207756826U CN201721708925.7U CN201721708925U CN207756826U CN 207756826 U CN207756826 U CN 207756826U CN 201721708925 U CN201721708925 U CN 201721708925U CN 207756826 U CN207756826 U CN 207756826U
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- cambered surface
- bending mould
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Abstract
The utility model discloses a kind of arc forging bending mould, including upper die and lower die, one end of the upper mold is upper plane, connect with the upper plane be preset shape upper cambered surface；One end of the lower die is the lower plane with the upper plane cooperation, connect with the lower plane be preset shape lower camber side, and the upper cambered surface is detached with the center of circle of the lower camber side, and change cambered surface space is preset so as to be formed after the upper mold and lower die molding.Using arc forging bending mould provided by the utility model, upper and lower two cambered surfaces center location is different so that a default change cambered surface space is formed when upper and lower mould molding, to make blank be shaped to predetermined change arc shape.Using the arc forging bending mould so that follow-up waste base forging final pressure process metal distribution is more reasonable, on the one hand eliminates the defects of forging is folded, flowed；On the other hand mold stress load is reduced, die life is improved.
Description
Technical field
The utility model is related to technical field of forging, more specifically to a kind of arc forging bending mould.
Background technology
Arc class part, as kernel component, plays extremely heavy in fields such as steam turbine, aircraft industry, ship, oil
It acts on.It develops by leaps and bounds with manufacturing, arc class part is more and more, and shape and structure is complicated, and type is various, size essence
Degree, surface quality requirements higher, mass production trend are stronger.The blank of arc class part generally uses forging method to shape.
The forging of large scale arc is commonplace in existing aviation forging, the existing contour forging technique of this forging,
It is molded forging by the way of the accumulation of big stock volume, caused the result is that forging flash is extremely uneven, local many places
There is fold defect, splits forging section also and can send out the position now with rib and serious percolation defect occur.
In addition, due to being molded forging directly by the way of the accumulation of big stock volume, metal volume distribution is unreasonable, leads
Mold mold process is caused to occur the phenomenon that eccentric force, easily causing burn failure.
In conclusion it is more of poor quality and easily cause burn failure how to efficiently solve large scale arc forging defect
The problems such as, it is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of arc forging bending mould, which bends
The structure design of mold can effectively large scale arc forging defect be more of poor quality and the problem of easily causing burn failure.
In order to achieve the above object, the utility model provides the following technical solutions：
A kind of arc forging bending mould, including upper die and lower die, one end of the upper mold are upper plane, and described flat
Face connection is the upper cambered surface of preset shape；One end of the lower die is the lower plane with the upper plane cooperation, under described
Plane connection is the lower camber side of preset shape, and the upper cambered surface is detached with the center of circle of the lower camber side, so that the upper mold
Default change cambered surface space is formed after being molded with the lower die.
Preferably, in above-mentioned arc forging bending mould, the length of the upper mold is identical as the length of the lower die, described
The width of upper mold is of same size with the lower die.
Preferably, in above-mentioned arc forging bending mould, the arc length of the upper cambered surface is 2634.05mm, and radius is
3592.12mm；The arc length of the lower camber side is 2961.67mm, radius 3139.34mm.
Preferably, in above-mentioned arc forging bending mould, repeated hole has been offered in the lower die.
Preferably, in above-mentioned arc forging bending mould, in the upper plane or the lower plane have with it is to be bended
The corresponding positioning groove of boss on waste base forging.
Preferably, in above-mentioned arc forging bending mould, one end of the lower camber side is the lower plane, and the other end is pressure
Expect plane, there is blank positioning groove in the binder plane.
Arc forging bending mould provided by the utility model includes upper die and lower die.Wherein, the acting surface of upper mold is upper
Plane and upper cambered surface, upper plane are connected to one end of cambered surface, and the cambered surface that upper cambered surface is preset shape；The acting surface of lower die is
Lower plane and lower camber side, lower plane are connected to one end of lower camber side, and the cambered surface that lower camber side is preset shape；Lower plane is put down with upper
Face coordinates to compress blank, and the center of circle of lower camber side and upper cambered surface is misaligned, i.e., the center of circle detaches, to upper mold and shape after lower die molding
At default change cambered surface space.
Using arc forging bending mould provided by the utility model, the side of upper mold and lower die, i.e., upper plane is put down with lower
Face is straight, the constraint and positioning of the process metal that bends for blank.The mold other side is bending mould core, is mainly used for
The brake forming of waste base forging, the wherein lower camber side of the upper cambered surface of upper mold and lower die coordinate, and upper and lower two cambered surfaces center location is different,
So that a default change cambered surface space is formed when upper and lower mould molds, to make blank be shaped to predetermined change arc shape.Using this
Arc forging bending mould so that follow-up famine base forging final pressure process metal distribution is more reasonable, on the one hand eliminates forging and folds, wears
The defects of stream；On the other hand mold stress load is reduced, die life is improved.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the arc forging bending mould of one specific embodiment of the utility model；
Fig. 2 is the side structure schematic view of Fig. 1；
Fig. 3 is the three dimensional structure diagram of upper mold；
Fig. 4 is the three dimensional structure diagram of lower die；
Fig. 5 is the structural schematic diagram of waste base forging to be bended.
It is marked in attached drawing as follows：
1, upper mold, 2, lower die, 3, play repeated hole, 4, keyway, 5, mould tail, 6, blank positioning groove, 7, positioning groove, 8, convex
Platform.
Specific implementation mode
The utility model embodiment discloses a kind of arc forging bending mould, the defects of being folded, flowed with eliminating forging,
And mold stress load is reduced, improve die life.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- Fig. 5 is please referred to Fig.1, Fig. 1 is that the structure of the arc forging bending mould of one specific embodiment of the utility model is shown
It is intended to；Fig. 2 is the side structure schematic view of Fig. 1；Fig. 3 is the three dimensional structure diagram of upper mold 1；Fig. 4 is the three-dimensional structure of lower die 2
Schematic diagram；Fig. 5 is the structural schematic diagram of waste base forging to be bended.
In a specific embodiment, arc forging bending mould provided by the utility model includes upper mold 1 and lower die 2.
Wherein, the acting surface of upper mold 1 is upper plane and upper cambered surface, and upper plane is connected to one end of cambered surface, and upper cambered surface
For the cambered surface of preset shape.Namely the lower surface side of upper mold 1 is in plane, i.e., upper plane, the other side is cambered surface, i.e., upper arc
Face.Particularly the parameters such as the arc length of cambered surface and central angle can require to be arranged according to the size of waste base forging to be bended.
The acting surface of lower die 2 is lower plane and lower camber side, and lower plane is connected to one end of lower camber side, and lower camber side is default
The cambered surface of shape.Namely the upper surface side of lower die 2 is in plane, i.e. lower plane, and the other side is cambered surface, i.e. lower camber side.Tool
The parameters such as the arc length of body lower camber side and central angle can require to be arranged according to the size of waste base forging to be bended.Lower plane is put down with upper
Face coordinates to compress blank, and the center of circle of lower camber side and upper cambered surface is misaligned, i.e., the center of circle detaches, after being molded with lower die 2 to upper mold 1
Form default change cambered surface space.The specific default shape for becoming cambered surface space should predetermined change arc corresponding with waste base forging to be bended
Face shape is identical.The center of circle of lower camber side and upper cambered surface is misaligned, and specific location can be determined by CAD.
Using arc forging bending mould provided by the utility model, the side of upper mold 1 and lower die 2, i.e., upper plane is under
Plane is straight, the constraint and positioning of the process metal that bends for blank.The mold other side is bending mould core, main to use
In the brake forming of waste base forging, the wherein upper cambered surface of upper mold 1 and the lower camber side of lower die 2 coordinates, upper and lower two cambered surfaces center location
It is different so that a default change cambered surface space to be formed when upper and lower mould molding, to make blank be shaped to predetermined change arc shape.It adopts
With the arc forging bending mould so that follow-up famine base forging final pressure process metal distribution is more reasonable, on the one hand eliminates forging folding
The defects of folding, flowing；On the other hand mold stress load is reduced, die life is improved.
Further, the length of upper mold 1 is identical as the length of lower die 2, and the width of upper mold 1 is of same size with lower die 2.It needs
It is noted that length herein refers to the contour length of upper mold 1 and lower die 2, and the not length of acting surface.Namely upper mold 1
It is consistent with the size of lower die 2, to mold processing and the cooperation of upper mold 1 and lower die 2.Certainly, it can also be examined according to specific demand
Consider and upper mold 1 is set as different from the appearance and size of lower die 2.
Specifically, the arc length of upper cambered surface is 2634.05mm, radius 3592.12mm；The arc length of lower camber side is
2961.67mm radius 3139.34mm.Particularly the arc length and radius of cambered surface and lower camber side can be forged according to waste base to be bended
The corresponding predetermined change arc shape of part is configured, it is not limited to above-mentioned numerical value.
Preferably, repeated hole 3 has been offered in lower die 2, in order to which mold is sling transfer.The specific size for playing repeated hole 3 and
Quantity can be configured as needed, be not especially limited herein.Keyway 4 can also be opened up in lower die 2, consequently facilitating by lower die
2 with the positioning such as job platform and connect, to ensure the use of bending mould.The structure of mould tail 5 in lower die 2 can refer to existing skill
The structure of molding die in art, details are not described herein again.
On the basis of the various embodiments described above, have and the boss on waste base forging to be bended in upper plane or lower plane
8 corresponding positioning grooves 7.Referring to Fig. 1, by taking positioning groove 7 is opened in upper plane as an example, determine with concave up in upper plane
Position groove 7, and it is corresponding with the position of waste base forging convex platform 8 to be bended and geomery, so that when blank is molded
Effective cooperation is formed with upper mold 1, plays the role of the operative constraint to blank and positioning.As needed, positioning groove 7 also may be used
To be opened on lower plane, then the boss 8 on waste base forging to be bended accordingly is located at lower surface.Alternatively, to be bended
In the case that the both sides up and down of waste one transverse plane of base forging are respectively provided with boss 8, can also accordingly the upper plane of upper mold 1 with
8 corresponding positioning groove 7 of boss is respectively arranged on the lower surface of lower die 2.
Further, one end of lower camber side is lower plane, and the other end is binder plane, has blank positioning in binder plane
Groove 6.Namely the acting surface of lower die 2 is sequentially connected lower plane, lower camber side and binder plane.The width of specific binder plane
Degree is less than the width of lower plane, that is, the width of pres planes is smaller, as the common cooperation lower plane of auxiliary to position.Binder
Blank positioning groove 6 can be opened up in plane, the size and shape of specific blank positioning groove 6 can be configured as needed,
Do not make herein specific.Preferably, blank positioning groove 6 can also be set on lower plane.
It should be noted that above-mentioned upper plane and the connection of upper cambered surface and the connection of lower plane and lower camber side, arc under level-one
The connection in face and binder plane, preferably refers to integrally connected.The acting surface of namely upper mold 1 and lower die 2 is integral type effect
Face, and include planar section and cambered surface part.
By taking a preferred embodiment as an example, as Figure 1-Figure 4, arc forging bending mould is mainly used for large-scale famine
The molding of bending of base forging lays the foundation for follow-up final pressure die forging.The bending mould includes upper mold 1 and lower die 2, and upper mold 1 is under
2 length of mould is consistent, reaches 4200mm, and width is all 800mm, wherein 1 module height 800mm of upper mold, 2 module height of lower die
700mm.Upper mold 1 and 2 left part of lower die are straight, as upper plane and lower plane, bend metal on the left of process for blank
Constraint and positioning match wherein upper plane has the positioning groove 7 of a fovea superior with waste base forging spot size so that blank at
When type effective cooperation is formed with upper mold 1.It is bending mould core on the right side of mold, is mainly used for bending to for waste base forging
Type, wherein the arc length of upper cambered surface is 2634.05mm, the arc length of radius 3592.12mm, lower camber side are 2961.67mm, and radius is
3139.34mm.Upper cambered surface is different from the center location of lower camber side so that and one is formed when upper and lower mould molds becomes cambered surface space, from
And blank is made to be shaped to predetermined change arc shape.Using the arc forging bending mould so that follow-up famine base forging final pressure process
Metal distribution is more reasonable, on the one hand eliminates the defects of forging is folded, flowed；On the other hand mold stress load is reduced, mould is improved
Has service life.
The utility model has stronger practicability, and production efficiency is high, easy to use, and reliability is high, and service life is long, passes through
CAD, two cambered surface center locations are different up and down for mold so that it is empty that a change cambered surface is formed when upper/lower die molds
Between, to make blank be shaped to predetermined change arc shape.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (6)
1. a kind of arc forging bending mould, which is characterized in that including upper die and lower die, one end of the upper mold is upper plane,
Connect with the upper plane be preset shape upper cambered surface；One end of the lower die is lower flat with the upper plane cooperation
Face, connect with the lower plane be preset shape lower camber side, and the upper cambered surface is detached with the center of circle of the lower camber side, with
Default change cambered surface space is formed after so that the upper mold is molded with the lower die.
2. arc forging bending mould according to claim 1, which is characterized in that the length of the upper mold and the lower die
Length it is identical, the width of the upper mold is of same size with the lower die.
3. arc forging bending mould according to claim 1, which is characterized in that the arc length of the upper cambered surface is
2634.05mm radius 3592.12mm；The arc length of the lower camber side is 2961.67mm, radius 3139.34mm.
4. arc forging bending mould according to claim 1, which is characterized in that offered repeated hole in the lower die.
5. according to claim 1-4 any one of them arc forging bending moulds, which is characterized in that the upper plane or described
There is positioning groove corresponding with the boss on waste base forging to be bended on lower plane.
6. arc forging bending mould according to claim 5, which is characterized in that under one end of the lower camber side is described
Plane, the other end are binder plane, have blank positioning groove in the binder plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708925.7U CN207756826U (en) | 2017-12-08 | 2017-12-08 | A kind of arc forging bending mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708925.7U CN207756826U (en) | 2017-12-08 | 2017-12-08 | A kind of arc forging bending mould |
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| Publication Number | Publication Date |
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| CN207756826U true CN207756826U (en) | 2018-08-24 |
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| CN201721708925.7U Active CN207756826U (en) | 2017-12-08 | 2017-12-08 | A kind of arc forging bending mould |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983896A (en) * | 2017-12-08 | 2018-05-04 | 西南铝业（集团）有限责任公司 | One kind becomes cambered surface bending mould |
| CN109926501A (en) * | 2019-01-07 | 2019-06-25 | 安徽力源数控刃模具制造有限公司 | A kind of alloy aluminium sheet pressure arc mold and method |
| CN109967677A (en) * | 2019-04-17 | 2019-07-05 | 阮伟光 | A kind of forging method of metal parts processing mold and metal parts |
| CN112676504A (en) * | 2020-12-09 | 2021-04-20 | 山东南山铝业股份有限公司 | Free forging processing method of aviation aluminum alloy arc forging plate |
-
2017
- 2017-12-08 CN CN201721708925.7U patent/CN207756826U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983896A (en) * | 2017-12-08 | 2018-05-04 | 西南铝业（集团）有限责任公司 | One kind becomes cambered surface bending mould |
| CN109926501A (en) * | 2019-01-07 | 2019-06-25 | 安徽力源数控刃模具制造有限公司 | A kind of alloy aluminium sheet pressure arc mold and method |
| CN109926501B (en) * | 2019-01-07 | 2024-03-22 | 安徽力源数控刃模具制造有限公司 | Alloy aluminum plate arc pressing die and method |
| CN109967677A (en) * | 2019-04-17 | 2019-07-05 | 阮伟光 | A kind of forging method of metal parts processing mold and metal parts |
| CN112676504A (en) * | 2020-12-09 | 2021-04-20 | 山东南山铝业股份有限公司 | Free forging processing method of aviation aluminum alloy arc forging plate |
| CN112676504B (en) * | 2020-12-09 | 2022-07-15 | 山东南山铝业股份有限公司 | Free forging processing method of aviation aluminum alloy arc forging plate |
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