CN106868278A - A kind of strip shape Forging cuts down residual stress frock and technique - Google Patents
A kind of strip shape Forging cuts down residual stress frock and technique Download PDFInfo
- Publication number
- CN106868278A CN106868278A CN201710099949.5A CN201710099949A CN106868278A CN 106868278 A CN106868278 A CN 106868278A CN 201710099949 A CN201710099949 A CN 201710099949A CN 106868278 A CN106868278 A CN 106868278A
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- CN
- China
- Prior art keywords
- strip shape
- shape forging
- residual stress
- forging
- frock
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
Abstract
A kind of strip shape Forging abatement residual stress frock and technique provided by the present invention, are applied to strip shape Forging, and its frock includes upper die and lower die and tensioning member.Tensioning member is movably disposed on upper die and lower die, and the clamp assemblies of clamping fastener strip shape Forging are provided with tensioning member.The support member for supporting strip shape Forging is provided with lower mould.Technological process i.e., upper die and lower die is fixed on forcing press, and strip shape Forging is placed on support member and fastening clamp is on tensioning member, and forcing press pushes mould and transmits the force to tensioning member, and strip shape Forging is stretched.Forcing press is stretched in the longitudinal direction to strip shape Forging abatement residual stress frock pressure, tensioning member clamping strip shape Forging, and once property completes the stretching of strip shape Forging on forcing press, finally realizes the uniform abatement of strip shape Forging residual stress.
Description
Technical field
The invention belongs to special tooling technical field, more particularly to a kind of strip shape Forging abatement residual stress frock and work
Skill.
Background technology
The deformation at strip shape Forging each position in forging process is different, can cause the presence of larger remnants inside it
Stress, and during subsequent solution hardening, exacerbate the generation of this residual stress.Traditional forging uses cold compression
The method abatement quenched residual stress of deformation, however it is uneven for strip shape Forging segmentation cold deformation abatement residual stress, often
Secondary cold compression and deformation amount is inconsistent, easily causes forging and occurs deformation, warpage, distortion in follow-up machining process, or even opens
The phenomenon such as split, have a strong impact on the preparation of forging.
Currently without a kind of frock and technique for solving the problems, such as above-mentioned strip shape Forging.Therefore, how one kind is provided
Strip shape Forging cuts down residual stress frock and technique, is current sheet to realize the uniform abatement of strip shape Forging residual stress
Art personnel technical problem urgently to be resolved hurrily.
The content of the invention
The invention provides a kind of strip shape Forging abatement residual stress frock and technique, to realize that strip shape Forging is remaining
The uniform abatement of stress.
In order to solve the above technical problems, the invention provides a kind of strip shape Forging abatement residual stress frock, being applied to
Strip shape Forging, it is characterised in that including upper die and lower die and tensioning member；The tensioning member is movably disposed on described
The clamp assemblies of strip shape Forging described in clamping fastener are provided with mould and the lower mould, and on the tensioning member；The lower mould
On be provided with support member for supporting the strip shape Forging.
This programme also provides a kind of strip shape Forging abatement residual stress technique, described in the claims 1
Strip shape Forging cuts down residual stress frock, and the technique includes：
Step A：The described upper mould and the lower mould of strip shape Forging abatement residual stress frock are fixed on forcing press；
Step B：The strip shape Forging is placed on the support member, and fastening clamp is on the tensioning member；
Step C：The forcing press pushes the upper mould and transmits the force to the tensioning member, and the strip shape Forging is entered
Row stretching.
Preferably, in above-mentioned strip shape Forging abatement residual stress technique, the support member is wheel, projection or flat
Plate.
Preferably, in above-mentioned strip shape Forging abatement residual stress technique, the support member is for wheel or with tip
Projection, the support member and the strip shape Forging are contacted for point, and at least include two contact points.
Preferably, in above-mentioned strip shape Forging abatement residual stress technique, the support member and the strip shape Forging
Contact point be cambered surface.
Preferably, in above-mentioned strip shape Forging abatement residual stress technique, with the strip on the clamp assemblies
Contact surface between forging is cambered surface.
Preferably, in above-mentioned strip shape Forging abatement residual stress technique, with the tensioning member upper end on the upper mould
Contact surface, and, with the contact surface of the tensioning member lower end on the lower mould, be on the strip shape Forging extending direction
Divergent segment.
Preferably, in above-mentioned strip shape Forging abatement residual stress technique, the support member and the strip shape Forging
Contact point arrangement it is consistent with the final processing request size of the strip shape Forging.
Preferably, in above-mentioned strip shape Forging abatement residual stress technique, the surface of the strip shape Forging has one
Determine radian.
Preferably, in above-mentioned strip shape Forging abatement residual stress technique, the strip shape Forging is strip freedom
Sectional uniform on forging or forging part, and elongatedness direction.
A kind of strip shape Forging abatement residual stress frock and technique provided by the present invention, are applied to strip shape Forging.
The frock of this programme includes upper die and lower die and tensioning member.Tensioning member is movably disposed on upper die and lower die, and tensioning member
On be provided with the clamp assemblies of clamping fastener strip shape Forging.The support member for supporting strip shape Forging is provided with lower mould.
Technological process i.e., upper die and lower die is fixed on forcing press, and strip shape Forging is placed on support member and fastening clamp is in drawing
Stretch on part, forcing press pushes mould and transmits the force to tensioning member, and strip shape Forging is stretched.Forcing press is to strip die forging
Part abatement residual stress frock pressure, tensioning member clamping strip shape Forging is stretched in the longitudinal direction, the once property on forcing press
The stretching of strip shape Forging is completed, the uniform abatement of strip shape Forging residual stress is finally realized.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
A kind of structural representation of strip shape Forging abatement residual stress technique that Fig. 1 is provided by this programme.
In figure：Upper mould 1, lower mould 2, tensioning member 3, strip shape Forging 4, support member 5.
Specific embodiment
Core of the invention is to provide a kind of strip shape Forging abatement residual stress frock and technique, to realize strip die forging
The uniform abatement of part residual stress.
In order that those skilled in the art more fully understands the technical scheme of present invention offer, below in conjunction with accompanying drawing and
The present invention is described in further detail for specific embodiment.
Fig. 1 is refer to, a kind of strip shape Forging abatement residual stress frock and technique provided by the present invention are applied to length
Bar shape Forging.The frock of this programme includes upper mould 1, lower mould 2 and the tensioning member 3 for supporting strip shape Forging 4.Tensioning member 3
It is movably disposed on mould 1 and lower mould 2, and the clamp assemblies of clamping fastener strip shape Forging 4 is provided with tensioning member 3.
The support member 5 for supporting strip shape Forging 4 is provided with lower mould 2.Upper mould 1 and lower mould 2 i.e., are fixed on pressure by technological process
On machine, on tensioning member 3, forcing press pushes mould 1 and transmits the force to tensioning member 3 fastening clamp of strip shape Forging 4, to strip
Shape Forging 4 is stretched.Forcing press exists to strip shape Forging abatement residual stress frock pressure, tensioning member clamping strip shape Forging
Stretched on length direction, once property completes the stretching of strip shape Forging on forcing press, finally realize that strip shape Forging is remaining and answer
The uniform abatement of power.
Certainly, tensioning member 3 can also have other forms to play the clamp assemblies of clamping fastener effect, long for clamping fastener
Bar shape Forging 4.
The present invention also provides a kind of strip shape Forging abatement residual stress technique, applies above-mentioned strip shape Forging abatement residual
Residue stress frock, the technique of this programme includes：Step A：Strip shape Forging is cut down the upper mould 1 and lower mould 2 of residual stress frock
It is fixed on forcing press；Step B：Strip shape Forging 4 is placed on support member 5, and fastening clamp is on tensioning member 3；Step C：
Forcing press pushes mould 1 and transmits the force to tensioning member 3, and strip shape Forging 4 is stretched.This programme is on same forcing press
The disposable stretching for completing strip shape Forging, it is uneven so as to avoid traditional forging segmentation cold deformation abatement residual stress, often
Secondary cold compression and deformation amount is inconsistent, to realize the purpose that strip shape Forging residual stress is uniformly cut down.
Further, support member 5 can be wheel, projection or flat board etc..Projection and flat board can divide several sections of distributions to be arranged on
On the length direction of strip shape Forging 4, also can be using an integrated support.Using at least two wheels or the projection with tip
Support strip shape Forging 4, i.e. contact form are contacted for point.Contact surface or multiple between support member 5 and strip shape Forging 4 are contacted
Line between point can be flat line/face or camber line/face.When contact surface is plane, strip shape Forging abatement residual stress
Frock is by the straight stretching of strip shape Forging 4.When contact surface is flat line or flat face, strip shape Forging abatement residual stress work
Strip shape Forging 4 is stretched camber by dress.Now, it is alternatively camber line with the contact surface between strip shape Forging 4 on clamp assemblies
Or cambered surface.The shape of support member 5 can be flexibly changed according to strip shape Forging 4.Contact surface between upper mould 1 and tensioning member 3 is to incline
Inclined-plane.
Further, the contact surface on upper mould 1 with the upper end of tensioning member 3, and, the contact on lower mould 2 with the lower end of tensioning member 3
Face, is divergent segment on the extending direction of strip shape Forging 4.I.e. on the length bearing of trend of extension bar shape Forging 4, upper mould 1 with
The sectional area of lower mould 2 gradually increases.Specific such as Fig. 1, upper mould 1 includes intermediate transverse girder and is arranged on the tool at intermediate transverse girder two ends
There is the triangle end of inclined plane, triangle end is connected with the upper end of tensioning member 3.Lower mould 2 is convex with the contact surface of tensioning member 3
Arcwall face.I.e. on forcing press is pushed during mould 1, the stretching strip of tensioning member 3 shape Forging 4, tensioning member 3 is relative to lower mould 2 to length
Side moves up, and upper mould 1 relative to lower mould 2 to being moved on length rightabout.
The end of upper mould 1 and lower mould 2 is pressed by forcing press, can stretch the abatement residual stress of strip shape Forging 4.Pressure
Machine is hydraulic press or hydraulic press.Contact surface between upper mould 1 and tensioning member 3 be inclined plane, the i.e. level relative to Fig. 1 and
There is certain angle for vertical direction.Particularly, upper mould 1 can include intermediate transverse girder and be arranged on intermediate transverse girder two ends
Triangle end with inclined plane, triangle end is connected with tensioning member 3, the contact between the triangle end of upper mould 1 and tensioning member 3
Face is described inclined plane.Whether the angle of support member arrangement is arranged or simultaneously to the inclined plane design of triangle end,
By designing certain angle, the normal pressure of forcing press chucking power and stretching can be resolved into during forcing press is pushed
Power.
In a kind of specific embodiment, when using, upper mould 1 is fixed on the pressing block of forcing press, lower mould 2 is fixed on
On the workbench of forcing press, wherein, the contact surface between upper mould 1 and tensioning member 3 is inclined plane, when pressing block drives upper mould 1 to exist
During pushing, the pressure of forcing press can be resolved into chucking power and tensile force by tensioning member 3, and tensioning member 3 is 4 liang of strip shape Forging
End clamping is slided to two ends, and it is possible to pass through the relation that the goniometer is calculated between the depression distance of mould 1 and amount of tension, is controlled
System it is more perfect, it is achieved thereby that the abatement of strip shape Forging residual stress, whole process is stable, uniform, controllable, reduces
Cost simultaneously improves production efficiency.
Support member 5 is consistent with the final processing request size of strip shape Forging 4 with the contact point arrangement of strip shape Forging 4, from
And the one-shot forming of strip shape Forging 4 can be reached.Support member realizes rolling friction in drawing process, when being placed with for support member
When certain angle or straight arrangement, the normal pressure of forcing press is broken down into pulling force and chucking power, realizes the purpose of stretching.
The surface of strip shape Forging 4 has certain radian, can have certain radian or angle effect more preferable with muscle.Entering
Before row strip shape Forging abatement residual stress technique, there is certain radian can preferably reduce for the surface of strip shape Forging 4
The concentrated stress of strip shape Forging 4, can reach technological effect higher.Strip shape Forging 4 is strip open die forgings or mould
Sectional uniform on forging, and elongatedness direction.Particularly, the present invention is suitable for cutting on the elongatedness direction of strip shape Forging 4
The uniform open die forgings in face or forging part, preferred length is more than 3 meters.Flat-die forging used tool and equipment are simple, and versatility is good,
Low cost.Compared with cast blank, open die forging eliminates the defects such as shrinkage cavity and porosity, stomata, blank is had mechanical property higher
Can, forging simple shape, operation is flexible.And forging part can forge the product of more structures relative to open die forging, and can control
The dimensional tolerance of product processed, reduces Vehicle Processing amount.
Specific case used herein is set forth to principle of the invention and implementation method, and above example is said
It is bright to be only intended to help and understand the method for the present invention and its core concept.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fallen into the protection domain of the claims in the present invention with modification.
Claims (10)
1. a kind of strip shape Forging abatement residual stress frock, is applied to strip shape Forging (4), it is characterised in that including upper mould
(1), lower mould (2) and tensioning member (3)；The tensioning member (3) is movably disposed at the upper mould (1) and the lower mould (2)
On, and the clamp assemblies of strip shape Forging (4) described in clamping fastener are provided with the tensioning member (3)；Set on the lower mould (2)
It is equipped with the support member (5) for supporting the strip shape Forging (4).
2. a kind of strip shape Forging cuts down residual stress technique, it is characterised in that the strip in application the claims 1
Shape Forging cuts down residual stress frock, and the technique includes：
Step A：The described upper mould (1) and the lower mould (2) of strip shape Forging abatement residual stress frock are fixed on forcing press
On；
Step B：The strip shape Forging (4) is placed on the support member (5), and fastening clamp is on the tensioning member (3)；
Step C：The forcing press pushes the upper mould (1) and transmits the force to the tensioning member (3), to the strip shape Forging
(4) stretched.
3. strip shape Forging according to claim 2 cuts down residual stress technique, it is characterised in that the support member (5)
It is wheel, projection or flat board.
4. strip shape Forging according to claim 3 cuts down residual stress frock, it is characterised in that the support member (5)
For wheel or the projection with tip, the support member (5) and the strip shape Forging (4) at least include two to contact
Individual contact point.
5. strip shape Forging according to claim 2 cuts down residual stress frock, it is characterised in that the support member (5)
It is cambered surface with the contact point of the strip shape Forging (4).
6. strip shape Forging according to claim 2 cuts down residual stress frock, it is characterised in that on the clamp assemblies
It is cambered surface with the contact surface between the strip shape Forging (4).
7. strip shape Forging according to claim 6 cuts down residual stress frock, it is characterised in that on the upper mould (1)
With the contact surface of the tensioning member (3) upper end, and, the contact surface on the lower mould (2) with the tensioning member (3) lower end,
It is divergent segment on strip shape Forging (4) extending direction.
8. strip shape Forging according to claim 2 cuts down residual stress technique, it is characterised in that the support member (5)
Contact point arrangement with the strip shape Forging (4) is consistent with the final processing request size of the strip shape Forging (4).
9. strip shape Forging according to claim 2 cuts down residual stress technique, it is characterised in that the strip shape Forging
(4) surface has certain radian.
10. strip shape Forging according to claim 2 cuts down residual stress frock, it is characterised in that the strip die forging
Part (4) is the sectional uniform on strip open die forgings or forging part, and elongatedness direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099949.5A CN106868278A (en) | 2017-02-23 | 2017-02-23 | A kind of strip shape Forging cuts down residual stress frock and technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099949.5A CN106868278A (en) | 2017-02-23 | 2017-02-23 | A kind of strip shape Forging cuts down residual stress frock and technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106868278A true CN106868278A (en) | 2017-06-20 |
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ID=59168707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710099949.5A Pending CN106868278A (en) | 2017-02-23 | 2017-02-23 | A kind of strip shape Forging cuts down residual stress frock and technique |
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| CN (1) | CN106868278A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404407A (en) * | 2014-11-19 | 2015-03-11 | 西南铝业（集团）有限责任公司 | Residual stress eliminating device for arc-shaped forge piece |
| CN204237852U (en) * | 2014-11-19 | 2015-04-01 | 西南铝业（集团）有限责任公司 | A kind of arc forging unrelieved stress abatement device |
| CN105327979A (en) * | 2015-12-10 | 2016-02-17 | 西南铝业（集团）有限责任公司 | Shape righting device used for arc-shaped forge piece |
-
2017
- 2017-02-23 CN CN201710099949.5A patent/CN106868278A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404407A (en) * | 2014-11-19 | 2015-03-11 | 西南铝业（集团）有限责任公司 | Residual stress eliminating device for arc-shaped forge piece |
| CN204237852U (en) * | 2014-11-19 | 2015-04-01 | 西南铝业（集团）有限责任公司 | A kind of arc forging unrelieved stress abatement device |
| CN105327979A (en) * | 2015-12-10 | 2016-02-17 | 西南铝业（集团）有限责任公司 | Shape righting device used for arc-shaped forge piece |
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Application publication date: 20170620 |