CN105945198A - Anti-offset vibration reduction type forging die for special-shaped bearing outer ring forgings - Google Patents
Anti-offset vibration reduction type forging die for special-shaped bearing outer ring forgings Download PDFInfo
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- CN105945198A CN105945198A CN201610374810.2A CN201610374810A CN105945198A CN 105945198 A CN105945198 A CN 105945198A CN 201610374810 A CN201610374810 A CN 201610374810A CN 105945198 A CN105945198 A CN 105945198A
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- Prior art keywords
- annular
- forging
- ring
- shock
- bearing outer
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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
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention relates to an anti-offset vibration reduction type forging die for special-shaped bearing outer ring forgings, and solves such technical problems as low precision of an existing forging die. The forging die comprises an upper die body and a lower die body forming a molding die cavity therebetween; the molding die cavity includes an upper annular boss arranged at the lower end of the upper die body; a first molding convex block is arranged at the middle part of the upper annular boss; an annular channel is formed between the first molding convex block and the upper annular boss; an annular recessed groove is formed in the lower end of the upper die body; the lower die body is provided with a second molding convex block, a lower annular boss and an annular projection inserted in the annular recessed groove corresponding to the upper die body; a lower annular groove formed by a butt joint of the first annular groove and the second annular groove is formed between the second molding convex block and the lower annular boss; the second molding convex block and the lower annular boss adopts arc-shaped transition; and a damping vibration reduction structure is arranged between the annular projection and the annular recessed groove. The forging die has the advantages of high precision of machined finished forgings, few subsequent machining steps, good stability in the forging process and difficult generation of the offset phenomenon.
Description
Technical field
The invention belongs to forging equipment technical field, particularly relate to a kind of anti-offset shock-absorbing type
The forging mold of Special-shaped bearing outer ring forging.
Background technology
Mould forging refers to, first by METAL HEATING PROCESS, become the state of liquid or softening, then
Put it in mould, close disposal molding by the conjunction of the upper and lower mould of mould, sometimes need
Will be repeatedly.It is that the molten metal after heating directly waters that his difference from casting is to cast
Note in model, and the conjunction that die forging also needs to by upper and lower mould is closed, during molding
Receive extruding force, so the microstructure and mechanical property of forging part will be better than cast member.
In mould forging process, mould is the key of forging end product quality quality, existing forging
Mould also exists many deficiencies, and such as, structural strength is relatively low, and precision is low, following process
Need to carry out the operations such as trimming, poor stability, reduce finished product the most to a certain extent
The quality of forging.
In order to solve the problem that prior art exists, people have carried out long-term exploration, have carried
Go out solution miscellaneous.Such as, Chinese patent literature discloses a kind of bead
Product forging mould [application number: 201520114047.0], described bead product forge
With mould include lower mold and described lower mold match arrange upper mold, be arranged on described under
Low punch in mould, the upper punch being arranged in described upper mold.Above-mentioned scheme is necessarily
Improving the subproblem of prior art in degree, such as the finished product after processing is without carrying out
Trimming, but the program fail thoroughly solve above-mentioned technical problem, particularly precision
The low technical problem with poor stability.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of reasonable in design, precision is high
The forging mold of anti-offset shock-absorbing type Special-shaped bearing outer ring forging.
For reaching above-mentioned purpose, present invention employs following technical proposal: basis is the most anti-offset to be subtracted
The forging mold of shake type Special-shaped bearing outer ring forging, including the upper die body that can mutually fasten with
Lower mold body, forms shaping mold cavity, described molding between described upper die body and lower mold body
Die cavity includes the upper annular boss being arranged on upper die body lower end, in the middle part of described upper annular boss
There is the first molding projection downwardly extending and exceeding upper annular boss, and described first
The diameter of molding projection from up to down tapers into, and the first described molding projection week is outwards
Enclose and form up-narrow and down-wide circular passage between upper annular boss, described lower mold body
Upper end is provided with the second molding projection corresponding with the first molding projection, described the second one-tenth
The diameter of type projection from up to down becomes larger, the second described molding projection outer circumferential
There is the lower annular boss corresponding with upper annular boss, described lower annular boss upper end
Circumference has some arc convex, and the second described outer circumferential, molding projection lower end with
Formed between lower annular boss to be docked by first annular groove and the second cannelure and form lower annular
Groove, the width size of described first annular groove less than the second cannelure width size and
Between first annular groove and the second cannelure by arc-shaped transition step be connected, described under
Outer circumferential, die body upper end has and is positioned at shaping mold cavity week to the periphery and in up-narrow and down-wide structure
Annular protrusion, described outer circumferential, upper die body lower end has corresponding with annular protrusion
Ring-shaped depression groove, and described annular protrusion inserts in ring-shaped depression groove, and described
Damping shock absorption structure it is provided with between annular protrusion and annular groove groove.Use said structure
Shaping mold cavity, the finished product forging precision after processing is high, and subsequent process steps is few.
In the forging mold of above-mentioned anti-offset shock-absorbing type Special-shaped bearing outer ring forging, institute
The damping shock absorption structure stated includes being arranged on annular protrusion outer circumferential and is inclined to set
Annular inclined plane, described ring-shaped depression groove outer circumferential has and annular inclined plane phase
Be provided with between the mating annular face joined, and described annular inclined plane and mating annular face with
The damping layer that annular inclined plane and/or mating annular face are connected, recessed with annular at annular protrusion
Fall into and be provided with elastic shock attenuation assembly between groove.
In the forging mold of above-mentioned anti-offset shock-absorbing type Special-shaped bearing outer ring forging, institute
The damping layer stated covers in annular inclined plane and damping layer is connected as a single entity with annular inclined plane
Formula structure, and described damping layer is viscoelastic material layer.
In the forging mold of above-mentioned anti-offset shock-absorbing type Special-shaped bearing outer ring forging, institute
The elastic shock attenuation assembly stated includes being arranged on annular protrusion upper end and cross section undulate
First shock absorbing ring, described ring-shaped depression trench bottom has the second of cross section undulate
Shock absorbing ring, and the first described shock absorbing ring and the second shock absorbing ring mutual dislocation arrange.
In the forging mold of above-mentioned anti-offset shock-absorbing type Special-shaped bearing outer ring forging, institute
The annular protrusion stated is in the circumference of the shaping mold cavity being arranged between upper die body and lower mold body
Periphery, and described annular protrusion has in vertical shape inside the circumference of shaping mold cavity
The die cavity contact surface arranged.
In the forging mold of above-mentioned anti-offset shock-absorbing type Special-shaped bearing outer ring forging, institute
The the first molding projection stated and the second molding projection overall dimensions equal and described first
Molding projection lower end and the second molding projection upper end are respectively provided with top flattening bench.
In the forging mold of above-mentioned anti-offset shock-absorbing type Special-shaped bearing outer ring forging, institute
The upper annular boss stated has the first curved transition sections inside the circumference of circular passage.
In the forging mold of above-mentioned anti-offset shock-absorbing type Special-shaped bearing outer ring forging, institute
The lower annular boss stated has the second curved transition sections inside the circumference of lower cannelure.
In the forging mold of above-mentioned anti-offset shock-absorbing type Special-shaped bearing outer ring forging, institute
The 3rd curved transition sections is formed between annular protrusion and the lower annular boss stated.
Compared with prior art, the forging of this anti-offset shock-absorbing type Special-shaped bearing outer ring forging
The advantage of modeling tool is: 1, design is more reasonable, and the finished product forging precision after processing is high,
Subsequent process steps is few；2, good stability in forging process, is difficult to shift phenomenon occur.
Accompanying drawing explanation
Fig. 1 is the structure sectional view that the present invention provides.
In figure, upper die body 1, upper annular boss the 11, first molding projection 12, annular are logical
Road the 13, first curved transition sections 14, mating annular face 15, lower mold body the 2, second molding
Projection 21, lower annular boss 22, arc convex 221, lower cannelure 23, first annular
Groove the 24, second cannelure 25, arc-shaped transition step the 26, second curved transition sections 27,
Annular protrusion 28, annular inclined plane 281, die cavity contact surface 282, shaping mold cavity 3, top
Flattening bench 31, the 3rd curved transition sections 32, damping layer 4, elastic shock attenuation assembly 5,
One shock absorbing ring the 51, second shock absorbing ring 52, damping shock absorption structure 6.
Detailed description of the invention
With detailed description of the invention the present invention done further details of theory below in conjunction with the accompanying drawings
Bright.
As it is shown in figure 1, the forging mold of this anti-offset shock-absorbing type Special-shaped bearing outer ring forging,
Including the upper die body 1 that can mutually fasten and lower mold body 2, upper die body 1 and lower mold body 2 it
Between formed shaping mold cavity 3, shaping mold cavity 3 includes the upper ring being arranged on upper die body 1 lower end
Shape boss 11, has in the middle part of described upper annular boss 11 and downwardly extends and beyond upper annular
First molding projection 12 of boss 11, and the diameter of the first molding projection 12 is from up to down
Tapering into, the first molding projection 12 weeks to the periphery and is formed between upper annular boss 11
Up-narrow and down-wide circular passage 13, the upper end of lower mold body 2 is provided with and the first molding projection 12
The second corresponding molding projection 21, the diameter of the second molding projection 21 from up to down by
Gradual change is big, and the second molding projection 21 outer circumferential has corresponding with upper annular boss 11
Lower annular boss 22, lower annular boss 22 upper end circumference has some arc convex 221,
And second formed by between outer circumferential, molding projection 21 lower end and lower annular boss 22
One cannelure 24 docks with the second cannelure 25 and forms lower cannelure 23, first annular groove
The width size of 24 less than the width size of the second cannelure 25 and first annular groove 24 with
It is connected by arc-shaped transition step 26 between second cannelure 25, lower mold body 2 upper end week
Have laterally and be positioned at 3 weeks convex annular to the periphery and in up-narrow and down-wide structure of shaping mold cavity
Playing 28, outer circumferential, upper die body 1 lower end has the annular corresponding with annular protrusion 28
Recessed groove, and annular protrusion 28 inserts in ring-shaped depression groove, and annular protrusion 28 and ring
Damping shock absorption structure 6 it is provided with between connected in star groove.Use the shaping mold cavity 3 of said structure,
Finished product forging precision after processing is high, and subsequent process steps is few.
Specifically, damping shock absorption structure 6 include being arranged on annular protrusion 28 outer circumferential and
The annular inclined plane 281 being inclined to set, ring-shaped depression groove outer circumferential has and annular
The mating annular face 15 that inclined plane 281 matches, and annular inclined plane 281 join with annular
The resistance being connected with annular inclined plane 281 and/or mating annular face 15 it is provided with between conjunction face 15
Buddhist nun's layer 4, is provided with elastic shock attenuation assembly 5 between annular protrusion 28 and ring-shaped depression groove；
Damping layer 4 covers in annular inclined plane 281 and damping layer 4 and annular inclined plane 281
It is connected as a single entity structure, and damping layer 4 is viscoelastic material layer；Elastic shock attenuation assembly 5
Including being arranged on the first shock absorbing ring 51 of annular protrusion 28 upper end and cross section undulate,
Ring-shaped depression trench bottom has the second shock absorbing ring 52 of cross section undulate, and first subtracts
Shake circle 51 and the second shock absorbing ring 52 mutual dislocation are arranged；Annular protrusion 28 is positioned at and is arranged on
The week of the shaping mold cavity 3 between upper die body 1 and lower mold body 2 to the periphery, and annular protrusion
28 have the die cavity contact surface arranged in vertical shape inside the circumference of shaping mold cavity 3
282。
Further, the first molding projection 12 and the second molding projection 21 overall dimensions phase
Deng, and the first molding projection 12 lower end and the second molding projection 21 upper end be respectively provided with top
Flattening bench 31；Upper annular boss 11 has first inside the circumference of circular passage 13
Curved transition sections 14；Lower annular boss 22 has inside the circumference of lower cannelure 23
Second curved transition sections 27；The 3rd is formed between annular protrusion 28 and lower annular boss 22
Curved transition sections 32.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing upper die body 1, the 11, first molding of upper annular boss
Projection 12, circular passage the 13, first curved transition sections 14, mating annular face 15, under
Die body the 2, second molding projection 21, lower annular boss 22, arc convex 221, lower ring
Shape groove 23, first annular groove the 24, second cannelure 25, arc-shaped transition step 26,
Two curved transition sections 27, annular protrusion 28, annular inclined plane 281, die cavity contact surface 282,
Shaping mold cavity 3, top flattening bench the 31, the 3rd curved transition sections 32, damping layer 4, elasticity
Dampening assembly the 5, first shock absorbing ring the 51, second shock absorbing ring 52, damping shock absorption structure 6 etc.
Term, but it is not precluded from using the probability of other term.Use these terms only
In order to describe and explain the essence of the present invention more easily；It is construed as any one
Additional restriction is all contrary with spirit of the present invention.
Claims (9)
1. a forging mold for anti-offset shock-absorbing type Special-shaped bearing outer ring forging, including energy
The upper die body (1) mutually fastened and lower mold body (2), described upper die body (1) with under
Shaping mold cavity (3) is formed, it is characterised in that described shaping mold cavity between die body (2)
(3) the upper annular boss (11) being arranged on upper die body (1) lower end, described upper ring are included
Have in the middle part of shape boss (11) and downwardly extend and beyond the first of upper annular boss (11)
Molding projection (12), and the diameter of the first described molding projection (12) from up to down by
Gradual change is little, the first described molding projection (12) week to the periphery with upper annular boss (11)
Between form up-narrow and down-wide circular passage (13), the upper end of described lower mold body (2)
It is provided with the second molding projection (21) corresponding with the first molding projection (12), described
The diameter of the second molding projection (21) from up to down becomes larger, the second described molding
Projection (21) outer circumferential has the lower convex annular corresponding with upper annular boss (11)
Platform (22), described lower annular boss (22) upper end circumference has some arc convex
, and described the second molding projection (21) outer circumferential, lower end and lower convex annular (221)
Formed between platform (22) and docked with the second cannelure (25) by first annular groove (24)
Forming lower cannelure (23), the width size of described first annular groove (24) is less than the
The width size of second ring groove (25) and first annular groove (24) and the second cannelure (25)
Between be connected by arc-shaped transition step (26), described lower mold body (2) upper end circumference
Outside has the convex annular being positioned at shaping mold cavity (3) week to the periphery and in up-narrow and down-wide structure
Rising (28), described upper die body (1) outer circumferential, lower end has and annular protrusion (28)
Corresponding ring-shaped depression groove, and described annular protrusion (28) inserts in ring-shaped depression groove
In, and between described annular protrusion (28) and annular groove groove, it is provided with damping shock absorption knot
Structure (6).
Anti-offset shock-absorbing type Special-shaped bearing outer ring the most according to claim 1 forging
Forging mold, it is characterised in that described damping shock absorption structure (6) includes being arranged on ring
Protruding (28) outer circumferential of shape and the annular inclined plane (281) being inclined to set, described
Ring-shaped depression groove outer circumferential have and join with annular inclined plane (281) annular that matches
Conjunction face (15), and described annular inclined plane (281) and mating annular face (15) it
Between be provided with and annular inclined plane (281) and/or the damping that is connected of mating annular face (15)
Layer (4), is provided with elastic shock attenuation assembly between annular protrusion (28) and ring-shaped depression groove
(5)。
Anti-offset shock-absorbing type Special-shaped bearing outer ring the most according to claim 2 forging
Forging mold, it is characterised in that described damping layer (4) covers in annular inclined plane (281)
Upper and damping layer (4) is connected as a single entity structure with annular inclined plane (281), and described
Damping layer (4) be viscoelastic material layer.
Anti-offset shock-absorbing type Special-shaped bearing outer ring the most according to claim 2 forging
Forging mold, it is characterised in that described elastic shock attenuation assembly (5) includes being arranged on ring
Protruding (28) upper end of shape and first shock absorbing ring (51) of cross section undulate, described
Ring-shaped depression trench bottom has second shock absorbing ring (52) of cross section undulate, and described
The first shock absorbing ring (51) and the second shock absorbing ring (52) mutual dislocation arrange.
5. according to the anti-offset shock-absorbing type special-shaped axis described in claim 1 or 2 or 3 or 4
The forging mold of bearing outer-ring forging, it is characterised in that described annular protrusion (28) position
Circumference in the shaping mold cavity (3) being arranged between upper die body (1) and lower mold body (2)
Periphery, and described annular protrusion (28) tool inside the circumference of shaping mold cavity (3)
There is the die cavity contact surface (282) arranged in vertical shape.
Anti-offset shock-absorbing type Special-shaped bearing outer ring the most according to claim 5 forging
Forging mold, it is characterised in that the first described molding projection (12) and the second molding
Equal and described the first molding projection (12) lower end of projection (21) overall dimensions with
Second molding projection (21) upper end is respectively provided with top flattening bench (31).
Anti-offset shock-absorbing type Special-shaped bearing outer ring the most according to claim 5 forging
Forging mold, it is characterised in that described upper annular boss (11) is near circular passage
(13) there is inside circumference the first curved transition sections (14).
Anti-offset shock-absorbing type Special-shaped bearing outer ring the most according to claim 5 forging
Forging mold, it is characterised in that described lower annular boss (22) is near lower cannelure
(23) there is inside circumference the second curved transition sections (27).
Anti-offset shock-absorbing type Special-shaped bearing outer ring the most according to claim 5 forging
Forging mold, it is characterised in that described annular protrusion (28) and lower annular boss (22)
Between formed the 3rd curved transition sections (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374810.2A CN105945198A (en) | 2016-05-30 | 2016-05-30 | Anti-offset vibration reduction type forging die for special-shaped bearing outer ring forgings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374810.2A CN105945198A (en) | 2016-05-30 | 2016-05-30 | Anti-offset vibration reduction type forging die for special-shaped bearing outer ring forgings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105945198A true CN105945198A (en) | 2016-09-21 |
Family
ID=56907299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610374810.2A Pending CN105945198A (en) | 2016-05-30 | 2016-05-30 | Anti-offset vibration reduction type forging die for special-shaped bearing outer ring forgings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105945198A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052531A (en) * | 2018-01-18 | 2019-07-26 | 辽宁五一八内燃机配件有限公司 | A kind of mold and its application method with horizontal forging calibration function |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU560691A1 (en) * | 1976-04-02 | 1977-06-05 | Уральский ордена Трудового Красного Знамени политехнический институт им.С.М.Кирова | Closed stamp |
| US4339975A (en) * | 1980-10-20 | 1982-07-20 | Gulf & Western Manufacturing Company | Shock dampening system for presses |
| SU1266636A1 (en) * | 1984-12-04 | 1986-10-30 | Ворошиловградский машиностроительный институт | Vibroinsulating anvil block gasket for vertical hammer |
| JP2006305621A (en) * | 2005-05-02 | 2006-11-09 | Bridgestone Corp | Pressing die and method for sheet metal processing |
| JP2011161471A (en) * | 2010-02-08 | 2011-08-25 | Tokyo Hatsujo Seisakusho:Kk | Method of preventing breaking of coil spring |
| CN202278074U (en) * | 2011-08-08 | 2012-06-20 | 奇瑞汽车股份有限公司 | Sidepin of stamping die capable of reducing noise produced in operation |
| CN203109135U (en) * | 2012-12-21 | 2013-08-07 | 重庆市江津区宏盛机械制造有限公司 | Driven gear forging mold |
| CN203448594U (en) * | 2013-07-11 | 2014-02-26 | 江阴市燎原锻压有限公司 | A lift coupler forging die |
| CN105268891A (en) * | 2014-06-25 | 2016-01-27 | 山西艾斯特耐茨锻造有限公司 | Welding neck flange precision forging insert die |
| CN205816680U (en) * | 2016-05-30 | 2016-12-21 | 德清德曼汽车零部件有限公司 | The forging mold of anti-offset shock-absorbing type Special-shaped bearing outer ring forging |
-
2016
- 2016-05-30 CN CN201610374810.2A patent/CN105945198A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU560691A1 (en) * | 1976-04-02 | 1977-06-05 | Уральский ордена Трудового Красного Знамени политехнический институт им.С.М.Кирова | Closed stamp |
| US4339975A (en) * | 1980-10-20 | 1982-07-20 | Gulf & Western Manufacturing Company | Shock dampening system for presses |
| SU1266636A1 (en) * | 1984-12-04 | 1986-10-30 | Ворошиловградский машиностроительный институт | Vibroinsulating anvil block gasket for vertical hammer |
| JP2006305621A (en) * | 2005-05-02 | 2006-11-09 | Bridgestone Corp | Pressing die and method for sheet metal processing |
| JP2011161471A (en) * | 2010-02-08 | 2011-08-25 | Tokyo Hatsujo Seisakusho:Kk | Method of preventing breaking of coil spring |
| CN202278074U (en) * | 2011-08-08 | 2012-06-20 | 奇瑞汽车股份有限公司 | Sidepin of stamping die capable of reducing noise produced in operation |
| CN203109135U (en) * | 2012-12-21 | 2013-08-07 | 重庆市江津区宏盛机械制造有限公司 | Driven gear forging mold |
| CN203448594U (en) * | 2013-07-11 | 2014-02-26 | 江阴市燎原锻压有限公司 | A lift coupler forging die |
| CN105268891A (en) * | 2014-06-25 | 2016-01-27 | 山西艾斯特耐茨锻造有限公司 | Welding neck flange precision forging insert die |
| CN205816680U (en) * | 2016-05-30 | 2016-12-21 | 德清德曼汽车零部件有限公司 | The forging mold of anti-offset shock-absorbing type Special-shaped bearing outer ring forging |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052531A (en) * | 2018-01-18 | 2019-07-26 | 辽宁五一八内燃机配件有限公司 | A kind of mold and its application method with horizontal forging calibration function |
| CN110052531B (en) * | 2018-01-18 | 2020-09-25 | 辽宁五一八内燃机配件有限公司 | Die with horizontal forging correction function and use method thereof |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |
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| RJ01 | Rejection of invention patent application after publication |