CN110479841A - Manufacturing process is rolled in the large-scale horizontal high multidirectional rotation of muscle thin-walled ring multi-pass - Google Patents
Manufacturing process is rolled in the large-scale horizontal high multidirectional rotation of muscle thin-walled ring multi-pass Download PDFInfo
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- CN110479841A CN110479841A CN201910712181.3A CN201910712181A CN110479841A CN 110479841 A CN110479841 A CN 110479841A CN 201910712181 A CN201910712181 A CN 201910712181A CN 110479841 A CN110479841 A CN 110479841A
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- horizontal high
- spinning roller
- walled ring
- muscle thin
- annular blank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
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Abstract
The present invention relates to a kind of large-scale horizontal high multidirectional rotations of muscle thin-walled ring multi-pass to roll manufacturing process, the following steps are included: S1, annular blank and annular push plate covered on constraint mould, it is in close contact respectively with blank both ends of the surface about symmetrical two spinning roller in face in annular blank axial direction, make to constrain and generate active force between mould and annular blank, guarantees that constraint mould energy band moves annular blank and spinning roller stablizes rotation；S2, constraint mould drive annular blank and spinning roller to make rotating motion around from axis, while two spinning rollers do feed motion along track, and annular blank is made to generate continuous local plastic deformation until monolithic molding；S3, when drip molding shape is the horizontal high muscle thin-walled ring of target, constraint mould stops operating, and two spinning rollers return to initial position, and is released on mould by the horizontal high muscle thin-walled ring of annular push plate target by made from from constraining.The present invention has the effect of significant energy-saving material-saving, reduces production cost, improve productivity, reduce forming force by the large-scale horizontal high muscle thin-walled ring of multi-pass partial plastic forming.
Description
Technical field
The present invention relates to the precision rolling manufacturing process of ring with odd-shaped cross section, more specifically to a kind of large-scale horizontal high
Manufacturing process is rolled in the multidirectional rotation of muscle thin-walled ring multi-pass.
Background technique
In manufacturing fields such as Aeronautics and Astronautics, structure lightened is the weight for reducing energy consumption, promoting aircraft cruising ability
Want approach.Therefore, a large amount of thin-walled workpiece, such as cabin, machine are widely used on the Grand Equipments such as aircraft, rocket, airship
The wing, engine enclosure.In order to improve the intensity of these structural members, it is usually equipped with reinforcing rib on the surface thereof.Large-scale horizontal high muscle is thin
Wall ring is as core bearing carrier typical in the weight equipments such as aircraft, rocket, extremely to its forming accuracy and performance requirement
It is harsh.For this kind of large-scale horizontal high muscle thin-walled ring, mainly there are three kinds of welding, riveting, cutting methods at present.Welding method is first
The covering and reinforcing rib of the horizontal high muscle of separately manufactured thin-walled, then reinforcing rib is welded on covering, but welding method performance is poor, cost
It is high, it is difficult to meet the requirement of high-end equipment high-performance manufacture.Clinching method be also first separately the covering of thin wall special-shaped ring processed with
Reinforcing rib, then with a large amount of rivets by reinforcing rib together with covering riveting.Clinching method not only increases the weight of component, also drops
Low bonding strength between reinforcing rib and covering.Cutting process be to rectangular section annular blank carry out turnery processing, thus
Process the large-scale horizontal high muscle thin-walled ring of target.But that there are stock utilizations is low, part resilience is big, gold for method for turning
Belong to the problems such as streamline is discontinuous, substantially reduces the forming accuracy of part and mechanical property.Plastic forming process has significant
Energy-saving material-saving, it is high in machining efficiency, forming property is excellent the features such as, be increasingly becoming high-end equipment configuration part main hair made in one piece
Exhibition trend.It is limited by spare part outside measurement, is difficult to shape this kind of large-scale horizontal high muscle thin-walled ring using traditional forging method.
Therefore, there is an urgent need to find a kind of effective plastic molding method.
Summary of the invention
It is rolled into the technical problem to be solved in the present invention is that providing a kind of multidirectional revolve of horizontal high muscle thin-walled ring multi-pass of large size
Shape method, large-scale horizontal high muscle thin-walled ring interior tissue and mechanical property are improved significantly.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of large-scale horizontal high muscle thin-walled ring multiple tracks
Manufacturing process is rolled in secondary multidirectional rotation, comprising the following steps:
S1, annular blank and annular push plate are covered on constraint mould, about symmetrical two spinning roller in face in annular blank axial direction
It is in close contact respectively with blank both ends of the surface, makes to generate active force between constraint mould and annular blank, guarantee constraint mould energy band rotating ring
Shape blank and spinning roller stablize rotation；
S2, constraint mould drive annular blank and spinning roller to make rotating motion around from axis, while two spinning rollers do feeding fortune along track
It is dynamic, so that annular blank is generated continuous local plastic deformation until monolithic molding, forming divide three phases:
S21, the first shaping stage；By control two spinning roller motion profiles and feed speed, to the side wall of annular blank into
The rotation of row multi-pass axial direction enclosed rolls into shape；During rotation is rolled, side-walls generate the plastic deformation for being compressed axially, radially extending, from
And a transverse bar is formed on the outer peripheral surface of annular blank；
S22, the second shaping stage；By two spinning roller motion profiles of control and feed speed, to the cross of first stage extrusion
Muscle carries out multi-pass, and radially rotation rolls into shape；During rotation is rolled, transverse bar thickness is gradually reduced, highly gradually increases, to reach pre-
If shape；
S23, third shaping stage；By control two spinning roller motion profiles and feeding, to the cover portion of annular blank into
The rotation of row multi-pass axial direction open type rolls into shape；During rotation is rolled, skin thickness is constantly thinned, highly gradually increases, to reach pre-
If size requirement；
S3, when drip molding shape is the horizontal high muscle thin-walled ring of target, constraint mould stops operating, and two spinning rollers return to initially
Position, and released from constraint mould as the horizontal high muscle thin-walled ring of annular push plate target by made from.
In above scheme, in step sl, the internal diameter of annular blank is equal to the outer diameter of the large-scale horizontal high muscle thin-walled ring of target
D1, for the height h of annular blank much smaller than the height of constraint mould, the outer diameter of annular blank is D2；The outer dimension of annular blank passes through
Formula (1) is calculated:
Wherein, the skin thickness of large-scale horizontal high muscle thin-walled ring is t, on large-scale horizontal high muscle thin-walled ring upper surface to transverse bar
The distance of end face is a, and the distance of large-scale horizontal high muscle thin-walled ring lower end surface to transverse bar lower end surface is b, and transverse bar height is c, transverse bar
With a thickness of f.
In above scheme, in step sl, angle theta when spinning roller is fed between its end face and horizontal plane meets:Wherein, m is distance of the spinning roller frame to spinning roller end face, and d is spinning roller diameter.
In above scheme, in step sl, the internal diameter of annular push plate is equal to the outer diameter of constraint mould, annular blank end face and ring
Gap e between shape push plate meets:
In above scheme, in the step s 21, when spinning roller axial feed, the ratio of left and right two spinning rollers feed speed isWhen spinning roller radial feed, the feed speed of left and right two spinning roller is equal always.
In above scheme, in step S22, when two spinning rollers axial direction, radial feed, speed is equal always.
In above scheme, in step S23, when spinning roller axial feed, the ratio of left and right two spinning rollers feed speed isWhen spinning roller radial feed, the feed speed of left and right two spinning roller is equal always.
Implement the horizontal high multidirectional rotation of muscle thin-walled ring multi-pass of large size of the invention and roll manufacturing process, has below beneficial to effect
Fruit:
1, by the large-scale horizontal high muscle thin-walled ring of multi-pass partial plastic forming, there is significant energy-saving material-saving, reduction to be produced into
Originally, the effect for improving productivity, reducing forming force.
2, the horizontal high muscle thin-walled ring surface quality of the large size of roll forming is good, and geometric accuracy is high, and obtains fine and closely woven
Grain structure and complete metal streamline improve large-scale horizontal high muscle thin-walled ring interior tissue and mechanical property significantly.
3, two spinning rollers are symmetrical always in the operation of rolling, play the role of hindering metal axial flowing, eliminate constraint metal
The mold axially flowed, and under the action of two spinning rollers, the metal between two spinning rollers is mainly flowed radially outward along ring, makes ring
The high muscle of part outer peripheral surface thin-walled easy to form.
4, two spinning roller sizes are compared with small, space is big, versatility is good.By adjusting the motion profile of two spinning rollers, it can revolve and roll
The high muscle thin-walled ring of cross of different size out.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the blank Longitudinal cross section schematic that large-scale horizontal high muscle thin-walled ring is made；
Fig. 2 is the Longitudinal cross section schematic of large-scale horizontal high muscle thin-walled ring；
Fig. 3 is the overall schematic that the high muscle thin-walled ring of molding large is rolled in double rotary wheel rotation；
Fig. 4 is spinning roller schematic three dimensional views；
Fig. 5 is that double rotary wheel multi-pass axially revolves the schematic diagram for rolling shaped objects ring side wall；
Fig. 6 is that double rotary wheel multi-pass radially revolves the schematic diagram for rolling shaped objects ring transverse bar；
Fig. 7 is that double rotary wheel multi-pass axially revolves the schematic diagram for rolling shaped objects ring covering.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Fig. 1-Fig. 7, the precision rolling manufacturing process of the horizontal high muscle thin-walled ring of large size of the invention includes following step
It is rapid:
S1, obtain annular blank 2, blank 2 be rectangular section ring, can by jumping-up, casting, punching, punching the wad, squeeze
Pressure, planar end surface and the method for turning are made.Use part made from the method for the present invention for large-scale horizontal high muscle thin-walled ring 8.Such as figure
1, shown in 2, the height of blank 2 is h, and the internal diameter of blank 2 is D1, the outer diameter of blank 2Wherein, the internal diameter of large-scale horizontal high muscle thin-walled ring is D1,
Skin thickness is t, and the distance of target ring upper surface to transverse bar upper surface is a, target ring lower end surface to transverse bar lower end surface
Distance is b, and transverse bar height is c, and transverse bar is with a thickness of f.In a preferred embodiment of the invention, large-scale horizontal high muscle thin-walled ring 8
Size it is as follows: D1=3000mm, t=5mm, f=10mm, a=20mm, b=40mm, c=30mm, therefore ring blank 2
Size can be identified as: D1=3000mm, D2=3022mm, h=30mm.
S2, as shown in figure 3, annular blank 2 and annular 3 level of push plate are covered on constraint mould 1, the internal diameter of annular blank 2
Equal to the outer diameter of constraint mould 1, gap e=30mm between circular material blank 2 and annular push plate 3, the internal diameter of annular push plate 3 is equal to about
The outer diameter of beam mould 1.Two spinning rollers 4,5 are symmetrically mounted in the both ends of the surface of annular blank 2 again, spinning roller 4,5 side arc radius are
5mm, spinning roller 4,5 end face diameters be 40mm, spinning roller frame to spinning roller 4,5 end faces distance be 10mm.
S3, as shown in figure 3, constraint mould 1 makes rotating motion around from axis, rotation speed w1, drive annular blank 2, spinning roller 4
It is rotated with spinning roller 5, the rotation speed of spinning roller 4,5 is w2.Meanwhile spinning roller 4,5 also does feed motion by certain track, is constraining
Under the collective effect of mould 1 and spinning roller 4,5, the generation of ring blank 2 is compressed axially, the continuous and local of radial extent deforms, ring hair
Base 2, which deforms, mainly divides three phases.
S4, ring deforms the first stage as shown in figure 5, angle α=60 ° between spinning roller 4,5 and horizontal plane, rotation speed w2
=240r/min.Do feeding fortune in the track O → 2 → 1 → O → 3 → 1 → O → 4 → 1 → O → 5 → O' of spinning roller 4 as shown in Figure 5
Dynamic, feed motion is done in the track O → 7 → 6 → O → 8 → 6 → O → 9 → 6 → O → 10 → O' of spinning roller 5 as shown in Figure 5.Spinning roller
4, when 5 axial feed, v1=0.5mm/s, v2=0.9mm/s；When spinning roller 4,5 radial feed, v1=v2=0.9mm/s.By more
Axially rotation rolls into shape to passage, extrusion and a transverse bar on the outer peripheral surface of annular blank 2, to obtain ring 6.Blank before deforming
Shape and spinning roller position are represented by dashed line in figure.
S5, ring deforms second stage as shown in fig. 6, angle β=45 ° between spinning roller 4,5 and horizontal plane, rotation speed w2
=240r/min.Feed motion is done in the track O → 2' → 1' → O → 3' → 1' → O → 4' → O' of spinning roller 4 as shown in Figure 6, rotation
Do feed motion in the track O → 6' → 5' → O → 7' → 5' → O → 8' → O' of wheel 5 as shown in Figure 6.Spinning roller 4,5 axial directions and diameter
To when feeding, speed is 0.9mm/s.Carrying out multi-pass by the transverse bar squeezed out to the first stage, radially rotation rolls into shape, makes
Transverse bar thickness is gradually reduced, highly gradually increases, to obtain ring 7.Blank shape and spinning roller position are used in figure before deforming
Dotted line indicates.
S6, ring deforms the phase III as shown in fig. 7, angle α=60 ° between spinning roller 4,5 and horizontal plane, rotation speed w2
The feed speed of=240r/min, spinning roller 4,5 are respectively v1、v2.O → 2 " → the 1 " → O → 3 " → 1 " as shown in Figure 7 of spinning roller 4 →
O → 4 " → O' does track feed motion, O → 6 " → 5 " → O → 7 " → 5 " → O → the 8 " → O' rail of spinning roller 5 as shown in Figure 7
Mark does feed motion.When spinning roller 4,5 axial feed, v1=0.5mm/s, v2=0.9mm/s；When spinning roller 4,5 radial feed, v1=
v2=0.9mm/s.Carrying out multi-pass by the cover portion to ring, axially rotation rolls into shape, and skin thickness is thinned constantly, is high
Degree gradually increases, thus the horizontal high muscle thin-walled ring 8 of target.Blank shape and spinning roller position are represented by dashed line in figure before deforming.
S7, when annular blank shape reaches preset requirement, constraint mould 1 stops operating, and spinning roller 4,5 feed-disablings are simultaneously retracted
To initial position.Hydraulic-driven annular push plate 3 is along its axial movement, by large-scale horizontal high muscle thin-walled ring 8 obtained from constraint mould 1
Upper extrusion.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (7)
1. manufacturing process is rolled in a kind of large-scale horizontal high multidirectional rotation of muscle thin-walled ring multi-pass, which comprises the following steps:
S1, annular blank and annular push plate are covered on constraint mould, about the symmetrical two spinning rollers difference in face in annular blank axial direction
It is in close contact with blank both ends of the surface, makes to generate active force between constraint mould and annular blank, guarantee constraint mould energy band rotating ring shape hair
Base and spinning roller stablize rotation；
S2, constraint mould drive annular blank and spinning roller to make rotating motion around from axis, while two spinning rollers do feed motion along track, make
Annular blank generates continuous local plastic deformation until monolithic molding, forming divide three phases:
S21, the first shaping stage；By two spinning roller motion profiles of control and feed speed, the side wall of annular blank is carried out more
The rotation of passage axial direction enclosed rolls into shape；During rotation is rolled, side-walls generate the plastic deformation for being compressed axially, radially extending, thus
A transverse bar is formed on the outer peripheral surface of annular blank；
S22, the second shaping stage；By control two spinning roller motion profiles and feed speed, transverse bar that the first stage is squeezed out into
Radially rotation rolls into shape to row multi-pass；During rotation is rolled, transverse bar thickness is gradually reduced, highly gradually increases, to reach preset
Shape；
S23, third shaping stage；By two spinning roller motion profiles of control and feeding, the cover portion of annular blank is carried out more
The rotation of passage axial direction open type rolls into shape；During rotation is rolled, skin thickness is constantly thinned, highly gradually increases, to reach preset
Size requirement；
S3, when drip molding shape is the horizontal high muscle thin-walled ring of target, constraint mould stops operating, and two spinning rollers return to initial bit
It sets, and is released from constraint mould as the horizontal high muscle thin-walled ring of annular push plate target by made from.
2. manufacturing process is rolled in the large-scale horizontal high multidirectional rotation of muscle thin-walled ring multi-pass according to claim 1, which is characterized in that
In step sl, the internal diameter of annular blank is equal to the outer diameter D of the large-scale horizontal high muscle thin-walled ring of target1, the height h of annular blank is remote
Less than the height of constraint mould, the outer diameter of annular blank is D2；The outer dimension of annular blank is calculated by formula (1):
Wherein, the skin thickness of large-scale horizontal high muscle thin-walled ring is t, large-scale horizontal high muscle thin-walled ring upper surface to transverse bar upper surface
Distance be a, the distance of large-scale horizontal high muscle thin-walled ring lower end surface to transverse bar lower end surface is b, and transverse bar height is c, transverse bar thickness
For f.
3. manufacturing process is rolled in the large-scale horizontal high multidirectional rotation of muscle thin-walled ring multi-pass according to claim 1, which is characterized in that
In step sl, angle theta when spinning roller is fed between its end face and horizontal plane meets:Its
In, m is distance of the spinning roller frame to spinning roller end face, and d is spinning roller diameter.
4. manufacturing process is rolled in the large-scale horizontal high multidirectional rotation of muscle thin-walled ring multi-pass according to claim 2, which is characterized in that
In step sl, the internal diameter of annular push plate is equal to the outer diameter of constraint mould, and the gap e between annular blank end face and annular push plate is full
Foot:
5. manufacturing process is rolled in the large-scale horizontal high multidirectional rotation of muscle thin-walled ring multi-pass according to claim 2, which is characterized in that
In the step s 21, when spinning roller axial feed, the ratio of left and right two spinning rollers feed speed isWork as spinning roller
When radial feed, the feed speed of left and right two spinning roller is equal always.
6. manufacturing process is rolled in the large-scale horizontal high multidirectional rotation of muscle thin-walled ring multi-pass according to claim 1, which is characterized in that
In step S22, when two spinning rollers axial direction, radial feed, speed is equal always.
7. manufacturing process is rolled in the large-scale horizontal high multidirectional rotation of muscle thin-walled ring multi-pass according to claim 2, which is characterized in that
In step S23, when spinning roller axial feed, the ratio of left and right two spinning rollers feed speed isSpinning roller diameter
To when feeding, the feed speed of left and right two spinning roller is equal always.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712181.3A CN110479841B (en) | 2019-08-02 | 2019-08-02 | Multi-pass multi-directional rotary rolling forming method for large transverse high-rib thin-wall ring piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910712181.3A CN110479841B (en) | 2019-08-02 | 2019-08-02 | Multi-pass multi-directional rotary rolling forming method for large transverse high-rib thin-wall ring piece |
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| CN110479841A true CN110479841A (en) | 2019-11-22 |
| CN110479841B CN110479841B (en) | 2020-08-25 |
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Cited By (6)
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| CN113051676A (en) * | 2021-03-08 | 2021-06-29 | 武汉理工大学 | Prediction method for forming limit of thin-wall internal ring rib conical cylinder constraint rolling high rib |
| CN113134530A (en) * | 2021-04-26 | 2021-07-20 | 江苏扬力数控机床有限公司 | Processing method for eliminating closed type roll rib joint mark |
| CN113617915A (en) * | 2021-07-29 | 2021-11-09 | 西北工业大学 | Local loading integral forming method for special-shaped section rib cylindrical part |
| CN114147117A (en) * | 2021-12-13 | 2022-03-08 | 西北工业大学 | Method for forming high-rib thin-wall cylindrical part through spinning by using heat-assisted multi-spinning wheel |
| CN114192647A (en) * | 2021-12-13 | 2022-03-18 | 西北工业大学 | Shearing forming method for annular outer rib cylindrical part |
| CN115519055A (en) * | 2022-09-21 | 2022-12-27 | 江苏翔能科技发展有限公司 | Method for determining rotating conditions of ring plate in rolling and spinning forming process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113051676A (en) * | 2021-03-08 | 2021-06-29 | 武汉理工大学 | Prediction method for forming limit of thin-wall internal ring rib conical cylinder constraint rolling high rib |
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| CN113617915A (en) * | 2021-07-29 | 2021-11-09 | 西北工业大学 | Local loading integral forming method for special-shaped section rib cylindrical part |
| CN114147117A (en) * | 2021-12-13 | 2022-03-08 | 西北工业大学 | Method for forming high-rib thin-wall cylindrical part through spinning by using heat-assisted multi-spinning wheel |
| CN114192647A (en) * | 2021-12-13 | 2022-03-18 | 西北工业大学 | Shearing forming method for annular outer rib cylindrical part |
| CN114147117B (en) * | 2021-12-13 | 2024-04-02 | 西北工业大学 | Method for forming high-strength thin-wall cylindrical part by heat-assisted multi-roller spinning |
| CN114192647B (en) * | 2021-12-13 | 2024-04-02 | 西北工业大学 | Shearing forming method for annular outer rib cylindrical part |
| CN115519055A (en) * | 2022-09-21 | 2022-12-27 | 江苏翔能科技发展有限公司 | Method for determining rotating conditions of ring plate in rolling and spinning forming process |
| CN115519055B (en) * | 2022-09-21 | 2023-05-12 | 江苏翔能科技发展有限公司 | Method for determining rotation condition of ring disc in rolling and rotating forming process |
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