CN211360504U - Forging and pressing device for ring rolling process of aluminum alloy thin-wall conical ring piece - Google Patents
Forging and pressing device for ring rolling process of aluminum alloy thin-wall conical ring piece Download PDFInfo
- Publication number
- CN211360504U CN211360504U CN201922104389.5U CN201922104389U CN211360504U CN 211360504 U CN211360504 U CN 211360504U CN 201922104389 U CN201922104389 U CN 201922104389U CN 211360504 U CN211360504 U CN 211360504U
- Authority
- CN
- China
- Prior art keywords
- blank
- roller
- finished product
- forged piece
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a forging and pressing device that is used for aluminium alloy thin wall toper ring piece ring rolling technology of forging and pressing manufacturing technical field, include: the axis of the driving roller is parallel to the axis of the blank or the finished product forged piece, and the driving roller is used for driving the blank or the finished product forged piece to rotate and contact the outer peripheral wall of the blank or the finished product forged piece in a pressure manner; the axis of the core roller is parallel to the axis of the blank or the finished forged piece, and the outer peripheral wall of the core roller is in pressure contact with the inner peripheral wall of the blank or the finished forged piece; an upper roller, the circumferential surface of which presses the upper end surface of the blank or the finished product forging; a lower roller, the circumferential surface of which supports the lower end surface of the blank or the finished forged piece; wherein, the lower roller and the upper roller clamp and press the blank or the finished product forging piece together along the axial direction. So as to manufacture the thin-wall conical ring piece with high section profile precision and accurate dimension.
Description
Technical Field
The utility model relates to a forging and pressing manufacturing technical field particularly, is a forging and pressing mould.
Background
With the vigorous development of aerospace industry, the section shape of parts is more and more complex, the performance requirement is more and more high, in order to realize the goals of intelligent manufacturing and green manufacturing, an aluminum alloy conical shell section part with specific functions is designed by adopting an integral forming process, the consistency of the mechanical property of a product and the reliability of separation blasting can be ensured, the number of bolts and rivets is reduced, the lightweight manufacturing is realized, meanwhile, the production manufacturing period of the product can be shortened, and the near-net forming of part preparation is realized.
At present, most of manufacturing processes of the special-shaped section conical ring pieces obtain forging pieces with rectangular sections through a rolling forming technology, and the ring pieces are continuously bitten into a rolling pass formed by a driving roller and a core roller through a ring rolling machine, so that wall thickness reduction, diameter expansion and section profile forming are realized. And a large amount of materials are removed through mechanical processing to obtain the shape of the target part, so that the utilization rate of raw materials is low, the subsequent machining allowance is greatly increased, and the mechanical processing forming period is long. And with the increase of the forging allowance, the size specification of the cast raw material is increased, the quality consistency is more difficult to ensure when the size structure of the cast ingot is larger, and the metallurgical defects in the cast ingot directly influence the final quality of the part.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a forging and pressing device that is used for aluminium alloy thin wall toper ring spare ring rolling technology to in the thin wall toper ring spare that produces cross-section profile precision height, size accuracy.
The purpose of the utility model is realized like this: a forging and pressing device for a ring rolling process of an aluminum alloy thin-wall conical ring piece comprises the following components:
the axis of the driving roller is parallel to the axis of the blank or the finished product forged piece, and the driving roller is used for driving the blank or the finished product forged piece to rotate and is in pressure contact with the outer peripheral wall of the blank or the finished product forged piece;
the axis of the core roller is parallel to the axis of the blank or the finished forged piece, and the outer peripheral wall of the core roller is in pressure contact with the inner peripheral wall of the blank or the finished forged piece;
an upper roller, the circumferential surface of which presses the upper end surface of the blank or the finished product forging;
a lower roller, the circumferential surface of which supports the lower end surface of the blank or the finished forged piece;
and the lower roller and the upper roller clamp and press the blank or the finished product forge piece together along the axial direction.
Further, the upper roller is a conical roller, and the small end part of the upper roller faces the blank or the finished forged piece and presses the blank or the finished forged piece.
Further, the upper roller is driven to rotate and rotates along with the rotation of the blank or the finished product forged piece, and a tangent line of a contact point of the upper roller and the upper end face of the blank or the finished product forged piece is parallel to the upper end face of the blank or the finished product forged piece.
Further, the lower roller is provided as a tapered roller, and a small end portion of the lower roller faces and supports the blank or the finished forged piece.
Further, the lower roller is driven to rotate and rotates along with the rotation of the blank or the finished product forged piece, and the tangent line of the contact point of the lower roller and the lower end face of the blank or the finished product forged piece is parallel to the lower end face of the blank or the finished product forged piece.
Further, the core roller is provided with a circle of lower flange for supporting the lower end face of the blank or the finished product forging, and the lower flange of the core roller and the lower roller respectively support two sides of the lower end face of the blank or the finished product forging.
Further, the drive roller has the round upper flange of pushing down blank up end, the both sides of blank up end are pushed down respectively to drive roller upper flange and last roller, drive roller upper flange presss from both sides along axial pinch blank one side both ends with core roller lower flange, lower roll and last roller together press from both sides blank or finished product forging opposite side both ends along the axial.
Further, the structure of the outer peripheral wall of the core roller is matched with the structure of the inner peripheral wall of a finished product forged piece.
The beneficial effects of the utility model reside in that: the two end faces of the thin-wall conical ring piece can be rolled simultaneously, and the inner and outer circumferential walls of the thin-wall conical ring piece can be rolled simultaneously, so that the thin-wall conical ring piece generates continuous local plastic deformation of radial wall thickness reduction, axial height reduction, inner and outer diameter expansion and section profile forming, and the radial size and axial size precision of a finished product forged piece can be guaranteed simultaneously; the upper roller and the lower roller play a role in trimming two end faces of the finished product forge piece in the rolling process.
Drawings
Fig. 1 is a schematic view of the state of the present invention before rolling.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic view of the state of the present invention when the rolling is completed.
In the figure, 1, blank; 2. a drive roller; 3. a core roll; 4. upper roll; 5. a lower roll; 6. and (5) finishing the forging.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, a forging device for a ring rolling process of an aluminum alloy thin-wall tapered ring piece comprises:
the axis of the self-rotating driving roller 2 is parallel to the axis of the blank 1 or the finished product forged piece 6, and the driving roller 2 is used for driving the blank 1 or the finished product forged piece 6 to rotate and contact with the outer peripheral wall of the blank 1 or the finished product forged piece 6 in a pressure manner;
the axis of the core roller 3 is parallel to the axis of the blank 1 or the finished forged piece 6, and the outer peripheral wall of the core roller 3 is in pressure contact with the inner peripheral wall of the blank 1 or the finished forged piece 6;
an upper roller 4, the circumferential surface of which presses the upper end surface of the blank 1 or the finished product forged piece 6;
and a lower roller 5, the circumferential surface of which supports the lower end surface of the blank 1 or the finished forged piece 6.
The lower roller 5 and the upper roller 4 are axially symmetrically clamped and pressed on the blank 1 or the finished product forged piece 6 together, namely the lower roller 5 and the upper roller 4 are symmetrically arranged on the basis of the axial middle position of the blank 1 or the finished product forged piece 6.
The upper roller 4 is a conical roller, and the small end part of the upper roller 4 faces the blank 1 or the finished product forged piece 6 and presses the blank 1 or the finished product forged piece 6; the upper roller 4 is driven to rotate and rotates along with the rotation of the blank 1 or the finished product forged piece 6, and the tangent line of the contact point of the upper roller 4 and the upper end face of the blank 1 or the finished product forged piece 6 is parallel to the upper end face of the blank 1 or the finished product forged piece 6.
The lower roller 5 is arranged as a conical roller, and the small end part of the lower roller 5 faces the blank 1 or the finished forged piece 6 and supports the blank 1 or the finished forged piece 6; the lower roller 5 is driven to rotate and rotates along with the rotation of the blank 1 or the finished product forged piece 6, and the tangent line of the contact point of the lower roller 5 and the lower end face of the blank 1 or the finished product forged piece 6 is parallel to the lower end face of the blank 1 or the finished product forged piece 6.
The core roller 3 is provided with a circle of lower flange for supporting the lower end face of the blank 1 or the finished product forged piece 6, and the lower flange of the core roller 3 and the lower roller 5 respectively support two sides of the lower end face of the blank 1 or the finished product forged piece 6.
Above-mentioned drive roller 2 has a collar flange of pushing down 1 up end of blank, the both sides of 1 up end of blank are pushed down respectively to 2 upper flanges of drive roller and last roller 4, 2 upper flanges of drive roller and 3 lower flanges of core roller along axial clamp blank 1 one side both ends, lower roll 5 together along axial clamp blank 1 or 6 opposite side both ends of finished product forging with last roller 4, at the ring rolling in-process, before blank 1 has not laminated drive roller 2 yet, blank 1 can receive ascending component force and produce tilt up, the effect of 2 upper flanges of drive roller is: the upward inclination trend of the blank 1 in the ring rolling process is limited, and the filling of the lower part of the finished product forged piece 6 is ensured as much as possible. However, as the ring rolling is performed, the height of the blank 1 is continuously reduced, meanwhile, the blank 1 is continuously attached to the driving roller 2, the upward component force is continuously reduced, the acting force between the blank 1 and the flange on the driving roller 2 is gradually reduced until the acting force disappears, and then the axial force applied to the blank 1 is only provided by the upper roller 4.
The structure of the outer peripheral wall of the core roller 3 is matched with the structure of the inner peripheral wall of the finished product forged piece 6.
The working principle of the utility model is as follows: starting the ring rolling machine to enable the driving roller 2 to rotate and roll and drive the blank 1 and the core roller 3 to rotate; meanwhile, the ring rolling machine drives the core roller 3 to make radial linear feeding motion towards the direction of the driving roller 2, the upper roller 4 makes rotary rolling motion and axial feeding motion, and the lower roller 5 makes rotary rolling motion; the blank 1 is rolled by the upper roller 4 and the lower roller 5 in the axial direction, so that end surface depressions generated during radial rolling are repaired and leveled by rolling by the upper roller 4 and the lower roller 5; in the whole radial and axial rolling process, the blank 1 generates continuous local plastic deformation of radial wall thickness reduction, axial height reduction, inner and outer diameter expansion and section profile forming; when the blank 1 is repeatedly rolled by multiple turns to reach the preset value, the finished product forge piece 6 is formed, the feeding motion of the core roller 3, the upper roller 4 and the lower roller 5 is stopped, and the ring rolling deformation is finished.
The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and such changes or improvements should fall within the protection scope of the present invention.
Claims (8)
1. A forging device for a ring rolling process of an aluminum alloy thin-wall conical ring piece is characterized by comprising the following steps:
the axis of the self-rotating driving roller (2) is parallel to the axis of the blank (1) or the finished product forged piece (6), and the driving roller (2) is used for driving the blank (1) or the finished product forged piece (6) to rotate and is in pressure contact with the outer peripheral wall of the blank (1) or the finished product forged piece (6);
the axis of the core roller (3) is parallel to the axis of the blank (1) or the finished forged piece (6), and the outer peripheral wall of the core roller (3) is in pressure contact with the inner peripheral wall of the blank (1) or the finished forged piece (6);
an upper roller (4) with a circumferential surface for pressing the upper end surface of the blank (1) or the finished product forging (6);
a lower roller (5) the circumferential surface of which supports the lower end surface of the blank (1) or the finished forging (6);
the lower roller (5) and the upper roller (4) clamp and press the blank (1) or the finished product forged piece (6) together along the axial direction.
2. The forging device for the ring rolling process of the aluminum alloy thin-wall tapered ring piece according to claim 1, wherein the forging device comprises: the upper roller (4) is a conical roller, and the small end part of the upper roller (4) faces the blank (1) or the finished product forged piece (6) and presses the blank (1) or the finished product forged piece (6).
3. The forging device for the ring rolling process of the aluminum alloy thin-wall tapered ring piece as claimed in claim 2, wherein: the upper roller (4) is driven to rotate and rotates along with the rotation of the blank (1) or the finished product forged piece (6), and the tangent line of the contact point of the upper roller (4) and the upper end face of the blank (1) or the finished product forged piece (6) is parallel to the upper end face of the blank (1) or the finished product forged piece (6).
4. The forging device for the ring rolling process of the aluminum alloy thin-wall tapered ring piece according to claim 1, wherein the forging device comprises: the lower roller (5) is arranged to be a conical roller, and the small end part of the lower roller (5) faces the blank (1) or the finished forged piece (6) and supports the blank (1) or the finished forged piece (6).
5. The forging device for the ring rolling process of the aluminum alloy thin-wall tapered ring piece as claimed in claim 4, wherein: the lower roller (5) is driven to rotate and rotates along with the rotation of the blank (1) or the finished product forged piece (6), and the tangent line of the contact point of the lower roller (5) and the lower end face of the blank (1) or the finished product forged piece (6) is parallel to the lower end face of the blank (1) or the finished product forged piece (6).
6. The forging device for the ring rolling process of the aluminum alloy thin-wall tapered ring piece as claimed in claim 5, wherein the forging device comprises: the core roller (3) is provided with a circle of lower flange for supporting the lower end face of the blank (1) or the finished product forged piece (6), and the lower flange of the core roller (3) and the lower roller (5) respectively support two sides of the lower end face of the blank (1) or the finished product forged piece (6).
7. The forging device for the ring rolling process of the aluminum alloy thin-wall tapered ring piece as claimed in claim 6, wherein: drive roller (2) have the upper end face of blank (1) a collar flange down, the both sides of blank (1) up end are pushed down respectively to drive roller (2) upper flange and last roller (4), drive roller (2) upper flange presss from both sides along the axial with core roller (3) lower flange and presses blank (1) one side both ends, lower roll (5) together press from both sides blank (1) or finished product forging (6) opposite side both ends along the axial with last roller (4).
8. The forging device for the ring rolling process of the aluminum alloy thin-wall tapered ring piece according to any one of claims 1 to 7, wherein the forging device comprises: the outer peripheral wall structure of the core roller (3) is matched with the inner peripheral wall structure of the finished product forged piece (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922104389.5U CN211360504U (en) | 2019-11-29 | 2019-11-29 | Forging and pressing device for ring rolling process of aluminum alloy thin-wall conical ring piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922104389.5U CN211360504U (en) | 2019-11-29 | 2019-11-29 | Forging and pressing device for ring rolling process of aluminum alloy thin-wall conical ring piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211360504U true CN211360504U (en) | 2020-08-28 |
Family
ID=72164903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922104389.5U Active CN211360504U (en) | 2019-11-29 | 2019-11-29 | Forging and pressing device for ring rolling process of aluminum alloy thin-wall conical ring piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211360504U (en) |
-
2019
- 2019-11-29 CN CN201922104389.5U patent/CN211360504U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100486754C (en) | Rolling forming process for large hollow disc forging | |
| CN104607519B (en) | Aluminum alloys tank Loadings On Hemispherical Shell manufacturing process | |
| CN100486728C (en) | High precision spinning forming method for thin wall closing head with radius-thickness ratio less than three per mille | |
| WO2011012070A1 (en) | Roll forming method for wheel spoke | |
| KR100287222B1 (en) | Rotary Forging Device | |
| CN104139280B (en) | The manufacturing process of hub for vehicle wheel | |
| CN104907474A (en) | Aluminum alloy wheel forging forming technology | |
| US20170232498A1 (en) | Forming methods of one-piece wheels without welding seam made of metal sheets | |
| CN100546759C (en) | The roll-forming method of big-and-middle-sized solid disk forging | |
| CN103624129A (en) | Spinning forming new technology of shell part with inner and outer teeth | |
| CN105328109B (en) | Large-scale dish axle integral piece local continuous loading forming method | |
| CN104551691A (en) | Aluminum alloy wheel liquid forging and spinning processing system | |
| CN112163357B (en) | Flexible growth forming method for thin-wall polygonal ring member | |
| CN211360504U (en) | Forging and pressing device for ring rolling process of aluminum alloy thin-wall conical ring piece | |
| CN109201830B (en) | A method of preventing flange defect occur without bottomless drum shape part spinning process | |
| WO2001034318A1 (en) | Method for making seamless wheel rims | |
| CN101480688B (en) | Three-wheel roll forging machine for ring piece | |
| CN2421101Y (en) | Multi-point radial roll | |
| CN106670364A (en) | Variable-section thin-wall stainless steel hemisphere seal forming method | |
| CN106734207A (en) | A kind of rolling forging formula forging manufacture mould and method | |
| CN111250635A (en) | Split type core roller structure capable of reducing speed difference of ring rolling surface of special-shaped ring piece | |
| JPS61202741A (en) | Production of ring material having flange part | |
| CN218395429U (en) | Conical cylinder rolling tool | |
| JP2002035881A (en) | Forging method for circular forging stock and device therefor | |
| CN220760897U (en) | Isothermal swing-grinding die for aluminum alloy hubs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |