CN105057517A - Inclined boss annular forge piece with special-shaped inside and outside and mold of inclined boss annular forge piece - Google Patents
Inclined boss annular forge piece with special-shaped inside and outside and mold of inclined boss annular forge piece Download PDFInfo
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- CN105057517A CN105057517A CN201510553695.0A CN201510553695A CN105057517A CN 105057517 A CN105057517 A CN 105057517A CN 201510553695 A CN201510553695 A CN 201510553695A CN 105057517 A CN105057517 A CN 105057517A
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Abstract
The invention discloses an inclined boss annular forge piece with a special-shaped inside and outside and a mold of the inclined boss annular forge piece. The inclined boss annular forge piece with the special-shaped inside and outside and the mold of the inclined boss annular forge piece comprises a special-shaped section ring forge piece body with inclined bosses on the inner diameter and the outer diameter and a mold body for producing the special-shaped section ring forge piece body. A straight and flat boss is additionally arranged on the outer contour of the ring forge piece body, and the straight and flat boss and the special-shaped bosses are in transition through transition corners. The mold body comprises a special-shaped main roll, a blank and a servo core roll, a forge piece cavity is formed in the special-shaped main roll, the blank is arranged between the special-shaped main roll and the servo core roll, and the forge piece cavity is filled with the blank under the action of the special-shaped main roll and the servo core roll. In this way, according to the inclined boss annular forge piece with a special-shaped inside and outside and the mold of the inclined boss annular forge piece, the contact face of the blank and the main roll is added in the production process, so that the ring rolling process is more continuous and stable, the blank is prevented from being subjected to wavy warping or roll climbing well, the folding defect of a ring piece is effectively avoided, and product quality is ensured.
Description
Technical field
The present invention relates to annular forging piece production technical field, particularly relate to a kind of inside and outside special-shaped inclined platform annular forging piece and mould thereof.
Background technology
As illustrated in figs. ia and ib, wherein Fig. 1 a is the shape of inclined platform at internal diameter to annular element product cross section shape, and Fig. 1 b is the situation of inclined platform at external diameter.
For the ring with odd-shaped cross section of internal-and external diameter band inclined platform, the contour shape close with product is generally adopted to design forging shape, as Fig. 2 a and Fig. 2 b when producing.
By the ring forging design special-shaped mould of this form, the outer special-shaped mould as Fig. 2 c produces installation diagram, and wherein 1 is special-shaped home roll, and 2 is blank, is placed on datum plane C, and 3 is servo-actuated core roller, can move in the direction of arrows.
Implemented the radial pressure of an arrow indication to blank by core roller during production, home roll does uniform rotation along A axle simultaneously, blank is driven to rotate by the frictional force between blank, blank is being subject in radial pressure situation, ring wall thickness B reduces diameter and grows up, progressively be filled in the die cavity of home roll after the extruding of blank core roller, finally realize formed product.
When adopting existing project organization to produce; because blank wall thickness dimension is uneven; too small with home roll contact surface; ring usually there will be waveform warpage in rolling ring process; even climb roller phenomenon; usually product can be caused to occur the defects such as waveform warpage, cylindrical and end face fold, time serious, can product rejection be caused.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of inside and outside special-shaped inclined platform annular forging piece and mould thereof, the contact surface of blank and home roll can be increased when producing, make rolling ring process continous-stable more, avoid the phenomenon that blank occurs wave warpage and climbs roller very well, the fold defect that effectively prevent ring produces, and ensure that product quality.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of inside and outside special-shaped inclined platform annular forging piece, comprise: the odd-shaped cross section ring forging on internal diameter or external diameter with inclined platform, the outline of described ring forging has additional one section of straight plano-convex platform, between described straight plano-convex platform and special-shaped boss, carry out transition by knuckle.
For solving the problems of the technologies described above, another technical solution used in the present invention is: the mould providing a kind of inside and outside special-shaped inclined platform annular forging piece, comprise: special-shaped home roll, blank and servo-actuated core roller, described special-shaped home roll is formed with forging die cavity, described blank is placed between special-shaped home roll and servo-actuated core roller, and described blank is filled in the forging die cavity on special-shaped home roll under the effect of special-shaped home roll and servo-actuated core roller.
In a preferred embodiment of the present invention, described straight plano-convex platform is located at the one-sided or both sides of ring forging main body outline.
In a preferred embodiment of the present invention, the described contour shape of special-shaped home roll and the contour shape of ring forging cooperatively interact and arrange.
In a preferred embodiment of the present invention, described in there is straight plano-convex platform part be positioned at the bottom of special-shaped home roll.
The invention has the beneficial effects as follows: inside and outside the present invention, special-shaped inclined platform annular forging piece and mould thereof add the contact surface of blank and home roll when producing, make rolling ring process continous-stable more, avoid the phenomenon that blank occurs wave warpage and climbs roller very well, the fold defect that effectively prevent ring produces, and ensure that product quality.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 a be in prior art on ring forging inclined platform at the structural representation of the cross sectional shape of internal diameter;
Fig. 1 b be in prior art on ring forging inclined platform at the structural representation of the cross sectional shape of external diameter;
Fig. 2 a is the ring forging shape according to the close contour shape design of product in Fig. 1 a;
Fig. 2 b is the ring forging shape according to the close contour shape design of product in Fig. 1 b;
Fig. 2 c is that in prior art, inclined platform produces installation diagram at the special-shaped mould of external diameter;
Fig. 3 a be in the present invention inclined platform at the new design structure schematic diagram of the ring forging of external diameter;
Fig. 3 b is the mould assembling structure figure designed according to Fig. 3 a;
In accompanying drawing, the mark of each parts is as follows: 1, special-shaped home roll, and 2, blank, 3, servo-actuated core roller, 4, ring forging, 5, straight plano-convex platform, 6, knuckle, 7, forging die cavity.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 3, the embodiment of the present invention comprises:
A kind of inside and outside special-shaped inclined platform annular forging piece, comprise: the odd-shaped cross section ring forging on internal diameter or external diameter with inclined platform, the outline of described ring forging 4 has additional one section of straight plano-convex platform 5, between described straight plano-convex platform 5 and special-shaped boss, carry out transition by knuckle 6.
By analyzing traditional project organization, consider the actual production fluctuation of blank 2 appearance and size, the present invention designs the straight plano-convex platform 5 transitional structure form of a kind of band.
Outer special-shaped boss forging design as shown in Figure 3 a, schematic diagram is ring forging cross sectional shape, and wherein double dot dash line is product net shape, and solid line is design shape.
By increasing by one section of straight plano-convex platform 5 clout to original product contour shape.Further, described straight plano-convex platform 5 can be designed as the one-sided or straight plano-convex platform in both sides, and transition is carried out by larger knuckle 6 in centre.
A kind of mould of inside and outside special-shaped inclined platform annular forging piece, comprise: special-shaped home roll 1, blank 2 and servo-actuated core roller 3, described special-shaped home roll 1 is formed with forging die cavity 7, the contour shape of described special-shaped home roll 1 and the contour shape of ring forging 4 cooperatively interact and arrange, and the design part wherein with straight plano-convex platform 5 is positioned at the bottom of special-shaped home roll 1.
Described blank 2 is placed between special-shaped home roll 1 and servo-actuated core roller 3, and described blank 2 is filled in the forging die cavity 7 on special-shaped home roll 1 under the effect of special-shaped home roll 1 and servo-actuated core roller 3.
Fig. 3 b is the mould assembling structure designed according to above-mentioned forging special-shape ring 4, and special-shaped home roll 1 does uniform rotation along A axle, and blank 2 is placed on datum plane C, and servo-actuated core roller 3 can move in the direction of arrows.
When actual production, a pressure is implemented to blank 2 by servo-actuated core roller 3, drive blank 2 to rotate by the frictional force between special-shaped home roll 1 and blank 2 simultaneously, blank 2 is being subject in radial pressure situation, the reduction of the wall thickness of ring forging and diameter are grown up, blank 2 is progressively filled in the forging die cavity 7 of special-shaped home roll 1 after being extruded by servo-actuated core roller 3, finally realizes formed product.
Inside and outside the present invention, the beneficial effect of special-shaped inclined platform annular forging piece and mould thereof is:
The contact surface of blank 2 and special-shaped home roll 1 is added when producing, make rolling ring process continous-stable more, avoid the phenomenon that blank 2 occurs wave warpage and climbs roller very well, solve forging warpage, folding defect that this type of ring forging 4 adopts traditional design structure to occur, be more beneficial to that forging is shaping guarantees product quality.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. special-shaped inclined platform annular forging piece inside and outside a kind, it is characterized in that, comprise: the odd-shaped cross section ring forging on internal diameter or external diameter with inclined platform, the outline of described ring forging has additional one section of straight plano-convex platform, between described straight plano-convex platform and special-shaped boss, carry out transition by knuckle.
2. the mould of an inside and outside special-shaped inclined platform annular forging piece as claimed in claim 1, it is characterized in that, comprise: special-shaped home roll, blank and servo-actuated core roller, described special-shaped home roll is formed with forging die cavity, described blank is placed between special-shaped home roll and servo-actuated core roller, and described blank is filled in the forging die cavity on special-shaped home roll under the effect of special-shaped home roll and servo-actuated core roller.
3. the mould of inside and outside special-shaped inclined platform annular forging piece according to claim 2, it is characterized in that, described straight plano-convex platform is located at the one-sided or both sides of ring forging main body outline.
4. the mould of inside and outside special-shaped inclined platform annular forging piece according to claim 2, it is characterized in that, the described contour shape of special-shaped home roll and the contour shape of ring forging cooperatively interact and arrange.
5. the mould of inside and outside special-shaped inclined platform annular forging piece according to claim 2, is characterized in that, described in there is straight plano-convex platform part be positioned at the bottom of special-shaped home roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510553695.0A CN105057517A (en) | 2015-09-02 | 2015-09-02 | Inclined boss annular forge piece with special-shaped inside and outside and mold of inclined boss annular forge piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510553695.0A CN105057517A (en) | 2015-09-02 | 2015-09-02 | Inclined boss annular forge piece with special-shaped inside and outside and mold of inclined boss annular forge piece |
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| Publication Number | Publication Date |
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| CN105057517A true CN105057517A (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510553695.0A Pending CN105057517A (en) | 2015-09-02 | 2015-09-02 | Inclined boss annular forge piece with special-shaped inside and outside and mold of inclined boss annular forge piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122517A (en) * | 2020-09-02 | 2020-12-25 | 豪梅特航空机件(苏州)有限公司 | Roll forming method for large-section wall thickness variation ratio ring forging |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597447A (en) * | 1982-07-07 | 1984-01-14 | Sumitomo Metal Ind Ltd | Formation of annular goods |
| JPH06106283A (en) * | 1992-09-28 | 1994-04-19 | Kobe Steel Ltd | Method for forming ring having partial projection on its outer circumference |
| CN201482899U (en) * | 2009-08-03 | 2010-05-26 | 江阴方圆环锻法兰有限公司 | Machining die of circular ring with special-shaped section |
| CN201836223U (en) * | 2010-11-04 | 2011-05-18 | 洛阳世必爱特种轴承有限公司 | Tapered roller bearing internal ring |
| CN202123173U (en) * | 2011-04-28 | 2012-01-25 | 张家港海陆环形锻件有限公司 | Arrangement structure for wrapping rolls in ring rolling mill |
| CN203992206U (en) * | 2014-03-26 | 2014-12-10 | 无锡隆迪精密锻件有限公司 | A kind of mould structure for the production of train gear ring |
| CN205183628U (en) * | 2015-09-02 | 2016-04-27 | 中航卓越锻造（无锡）有限公司 | Oblique boss annular forging of inside and outside dysmorphism and mould thereof |
-
2015
- 2015-09-02 CN CN201510553695.0A patent/CN105057517A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS597447A (en) * | 1982-07-07 | 1984-01-14 | Sumitomo Metal Ind Ltd | Formation of annular goods |
| JPH06106283A (en) * | 1992-09-28 | 1994-04-19 | Kobe Steel Ltd | Method for forming ring having partial projection on its outer circumference |
| CN201482899U (en) * | 2009-08-03 | 2010-05-26 | 江阴方圆环锻法兰有限公司 | Machining die of circular ring with special-shaped section |
| CN201836223U (en) * | 2010-11-04 | 2011-05-18 | 洛阳世必爱特种轴承有限公司 | Tapered roller bearing internal ring |
| CN202123173U (en) * | 2011-04-28 | 2012-01-25 | 张家港海陆环形锻件有限公司 | Arrangement structure for wrapping rolls in ring rolling mill |
| CN203992206U (en) * | 2014-03-26 | 2014-12-10 | 无锡隆迪精密锻件有限公司 | A kind of mould structure for the production of train gear ring |
| CN205183628U (en) * | 2015-09-02 | 2016-04-27 | 中航卓越锻造（无锡）有限公司 | Oblique boss annular forging of inside and outside dysmorphism and mould thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122517A (en) * | 2020-09-02 | 2020-12-25 | 豪梅特航空机件(苏州)有限公司 | Roll forming method for large-section wall thickness variation ratio ring forging |
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Application publication date: 20151118 |
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