CN110508653A - A kind of roller rolling manufacturing process of rib plate - Google Patents
A kind of roller rolling manufacturing process of rib plate Download PDFInfo
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- CN110508653A CN110508653A CN201910653074.8A CN201910653074A CN110508653A CN 110508653 A CN110508653 A CN 110508653A CN 201910653074 A CN201910653074 A CN 201910653074A CN 110508653 A CN110508653 A CN 110508653A
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- roller
- lower die
- rib plate
- manufacturing process
- plate
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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
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
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Abstract
The roller that the present invention provides a kind of rib plate rolles over manufacturing process.Plastic Forming can carried out to plate blank compared under side crops industry, have greater advantage when shaping the rib plate of large scale, high intensity；Greatly reduce finishing cutting output, Plastic Forming production efficiency and the high advantage of stock utilization can be given full play to, and the streamline distribution of product material is reasonable, mechanical property is good；Lower roll has been changed into the lower die of plate, and has replaced complete roller with fan-shaped roller, has saved the device space；Using big roller diameter roller, deformation sector width is increased, buckling deformation is effectively reduced and improves fillibility；Lower die to formed part have effect of contraction, can largely reduce it is advancing slip caused by extension, improve dimensional accuracy.
Description
Technical field
The present invention relates to material forming fields.
Background technique
Rib plate is the plate shell class constitutional detail for having prominent rib in plate plane.This kind of component can meet structure
By force, substantially loss of weight in the case where rigidity, in the fields such as communications and transportation, aerospace, military project extensive application.
Currently, the method for rib board member forming mainly has: casting, machining, welding, Plastic Forming, 3D printing etc.
Method, but have shortcoming:
1. casting
The intensity of cast member is low, surface quality is poor, and production efficiency is not also high, and it is of less demanding to be usually only used to production performance
The large-scale thin high muscle class component of abdomen.
2. machining
Machining carries out machining using numerically-controlled machine tool, but due to adding generally using the slab of forging or rolling
The metal streamline of strengthening tendons part is destroyed in cutting process, it is difficult to guarantee its mechanical property, and there are metabolies.In addition,
The stock utilization of machining is low, at high cost.
3. welding
The production efficiency that welding method processes rib plate class member is low, poor to the adaptability of labyrinth, and welds knot
The residual stress of structure is big, fatigue strength is low, structural integrity and poor reliability.
4. Plastic Forming
The plastic molding methods such as common forging, punching press, can not be direct due to shaping load is big, deformation is uncontrollable etc.
Obtain rib plate.In order to reduce load, people for the Plastic Forming of rib plate propose local loading and shaping, isothermal forging,
The methods of roll-in.
(1) local loading and shaping
Local loading production efficiency is low, and be easy to cause part be not fully filled, forming quality it is poor.
(2) isothermal forging
Isothermal forging needs guarantee the die-forging forming under extremely low strain rate, and production efficiency is very low, and keeps constant temperature for a long time
Operation difficulty it is very big.
(3) roll-in
Blank is easy to produce extension and buckling deformation in nipping process, causes dimensional accuracy lower.Due to fillibility compared with
Difference, it is difficult to shape high rib component.
5. 3D printing
3D needs expensive former and raw material, at high cost, low efficiency, the side such as mechanical property, surface quality of product
There is also some limitations in face, and material type applicable at present is few.
In conclusion there is respective deficiency in existing gusset member processing method, it is difficult to meet the need of production practices
It wants, it is necessary to research and develop new gusset member processing method.
Summary of the invention
The object of the present invention is to provide a kind of rollers of rib plate to roll over manufacturing process, it is characterised in that:
The rolling equipment of use mainly includes main roller wheel and horizontal lower die.The upper surface of the lower die has and rib plate
The corresponding groove of the muscle on surface.
When work, main roller wheel and lower die are moved synchronously, with roll-in plate blank.
Further, the main roller wheel is sector.
Further, the main roller wheel is along central axis reciprocating rotation.
The lower die of the level is moved back and forth with main roller wheel in horizontal plane.
Further, the main roller wheel is fixed on the rack movement of lower die side by gear driving.
Further, mandril is installed inside the lower die.After the molding of roll-in plate blank, mandril is by plate blank from lower die
Upper surface jacks up, and completes demoulding.
The invention has the following advantages: Plastic Forming can be being carried out to plate blank compared under side crops industry, shaping
There is greater advantage when large scale, high-intensitive rib plate；Greatly reduce finishing cutting output, it is raw that Plastic Forming can be given full play to
Efficiency and the high advantage of stock utilization are produced, and the streamline distribution of product material is reasonable, mechanical property is good；Lower roll is changed into plate
The lower die of shape, and complete roller is replaced with fan-shaped roller, save the device space；Using big roller diameter roller, deformation is increased
Sector width effectively reduces buckling deformation and improves fillibility；Lower die has effect of contraction to formed part, can be very
Reduce in big degree it is advancing slip caused by extension, improve dimensional accuracy.
Detailed description of the invention
Fig. 1 is that the roller of rib plate of the present invention rolles over the schematic illustration of manufacturing process；
Fig. 2 is that plate blank roller of the invention rolles over the side view before forming；
Fig. 3 is that the roller of rib plate of the invention rolles over the side view of forming process；
Fig. 4 is that the roller of rib plate of the invention rolles over the side view after forming
Fig. 5 is the schematic diagram of the rib plate with latticed rib；
Fig. 6 is that the roller rolling deforming simulation result schematic diagram of the rib plate with network-like rib (does not cut off outer rim excess portion
Point)；
Fig. 7 is that the rib plate entirety excellent suitability for press forming process with network-like rib that numerical simulation obtains and roller roll over forming process
Load-time graph comparison diagram.
In figure: plate blank (1), main roller wheel (2), lower die (3), mandril (4).
Specific embodiment
Below with reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all include within the scope of the present invention.
Embodiment 1:
A kind of roller rolling manufacturing process of rib plate, it is characterised in that:
It mainly include main roller wheel 2 and horizontal lower die 3 referring to the rolling equipment that Fig. 1 is used.
It is worth noting that existing rolling equipment causes rib plate to extend, extension causes because advancing slip, in practice, because of roller
Forging die outlet end is advancing slip to be difficult to avoid that without constraint.In the present embodiment, using horizontal lower die 3, referring to fig. 2, the lower die 3
Upper surface has groove corresponding with the muscle of rib plate surface.Lower die 3 has effect of contraction to formed part, to inhibit
It is advancing slip.
It is worth noting that the ratio of the depth and width of groove is bigger, forming difficulty is also bigger, more be easy to cause muscle
Root kinking also results in edge and is not fully filled area (periphery Fig. 6 lower part of muscle) increase, if ratio will cause greatly very much whole fill
It is discontented.Preferably, which is both less than 4~6.
In embodiment, the depth of groove and thickness (thinnest part of rib plate, i.e. part between rib) ratio of web
It is difficult to shape when larger.Preferably, which is both less than 5~8.
When work, main roller wheel 2 and lower die 3 are moved synchronously, with roll-in plate blank 1.I.e. the linear velocity of roller outer rim is under
The linear velocity of mould is identical.In embodiment, 2 side of main roller wheel is fixedly connected with the gear of synchronous rotary.3 side of lower die it is fixed with
The rack gear of the gear engagement, drives lower die 3 to move back and forth by gear.The cooperation of wheel and rack will guarantee that its path of contact exists
At the outer rim of roller, requirement is moved synchronously to meet.
It is worth noting that it is because of metal stream above and below the die joint of exit that existing rolling equipment, which causes rib slab warping,
Dynamic speed difference causes.In the present embodiment, the main roller wheel 2 is sector, and fan-shaped diameter is 500~2000mm, fan-shaped angle
Degree is 60 °~120 °.The main roller wheel 2 is along central axis reciprocating rotation.The lower die 3 of the level is past in horizontal plane with main roller wheel 2
Multiple movement.
Mandril 4 is installed inside the lower die 3.After roll-in plate blank 1 forms, mandril 4 is by plate blank 1 from lower die 3
Upper surface jacks up, and completes demoulding.
Embodiment 2:
The present embodiment main technical schemes are the same as embodiment 1.It is directed to and is reequiped with existing rolling equipment.
Reequip step are as follows:
1) upper roller is removed, and changes upper roller into main roller wheel 2 described in embodiment 1；
2) lower roll is removed；
Guide rail 3) is installed below main roller wheel 2, and lower die 3 is satisfied on guide rail；
4) position for adjusting main roller wheel 2 and guide rail (lower die 3), so that the tooth of the gear of 2 side of main roller wheel and 3 side of lower die
Item engagement, enables to move synchronously.
5) shaft of main roller wheel 2 connects the power device of former upper roller.The power device drives main roller wheel 2 and the tooth period of crop-rotation
Property reciprocating rotation (swing)
Embodiment 3:
The present embodiment uses 1 the method for embodiment, and manufacturing rib plate as shown in Figure 5, (hereinafter, horizontal direction is muscle
Floor length-width direction, vertical direction are rib plate thickness direction), the total length and width of rib plate and thickness (web thickness+maximum muscle
It is high) size is respectively 500mm, 500mm and 25mm, and needing the length and width of the grid of compression moulding is respectively 140mm and 140mm, abdomen
Plate thickness (thickness refers to that the concave bottom among grid arrives the distance between another side) is 5mm, and transverse bar depth (is hung down along rib plate
The height of the muscle of straight orientation measurement) it is 20mm, indulging muscle depth (along the height of the muscle of rib plate vertical direction measurement) is 15mm, muscle
Thickness (along rib plate horizontal direction measurement muscle width) be 5mm.
The material of the blank of the rib plate is 6061 aluminium sheets, density 2.89g/mm2, Poisson's ratio v is 0.33, Young's modulus
E is 68900MPa, yield strength σsFor 65MPa.
The forming step for rolling over manufacturing process using a kind of roller of rib plate of the invention is as follows:
(1) analysis needed for forming rib board member geometry, according to the characteristics of Plastic Forming with require, to rib plate
Product increases technique supplement and machining allowance, and the roller for obtaining rib plate rolles over blank figure；
(2) blank figure is rolled over according to roller, by the blank principle equal with product volume, determine rib plate plate blank length,
Wide and thickness.In the present embodiment, determine that the length of plate blank is 500mm, width 340mm, with a thickness of 13mm；
(3) lower die type groove is designed according to the shape of network-like rib, and completes the processing and manufacturing of upper roller and lower die；This implementation
In example, the radius of roller is 2000mm.
(4) lower die is mounted on special rolling mill；
(5) milling train is run, roller is carried out to rib plate plate blank and rolles over forming, obtains rib slab part；It is main in the present embodiment
The rotational angular velocity of roller is 0.01rad/s.
It is rolled in forming process in roller, the entrance side that the blank finished is admitted to roller together with lower die is positioned in lower die,
Under the action of roller and lower die, blank gradually occurs to be plastically deformed and fill into the groove of lower die.
(6) after the completion of roller is rolled over, product completes demoulding under the action of lower die liftout attachment, to obtain with certain size
With the rib plate product of shape.
(7) rib plate outer rim redundance after excision roller is rolled over, obtains meeting the rib plate product finally required.
Experiment:
Process is integrally forged and pressed to the rib plate using plasticity finite element method and step (5) carries out numerical simulation, obtains Fig. 6
Shown in rib plate roller roll over deforming simulation result figure and forming " load-time " curve shown in Fig. 7.As can be seen from Figure 6
The rib plate filling capacity that roller rolling forming obtains is good, and without apparent buckling deformation and extension, dimensional accuracy is higher.From figure
As can be seen that punching press load is increasing in 7, maximum value has been more than 50,000 tons, and the maximum load that roller rolles over forming is 8 kilotons,
Load has significant reduction.
Claims (5)
1. a kind of roller of rib plate rolles over manufacturing process, it is characterised in that:
The rolling equipment of use mainly includes the lower die (3) of the main roller wheel (2) and level；The upper surface of the lower die (3) has
There is groove corresponding with the muscle of rib plate surface；
When work, main roller wheel (2) and lower die (3) are moved synchronously, with roll-in plate blank (1).
2. the roller of rib plate according to claim 1 a kind of rolles over manufacturing process, it is characterised in that: the main roller wheel (2) is
It is fan-shaped.
3. a kind of roller of rib plate according to claim 1 or 2 rolles over manufacturing process, it is characterised in that: the main roller wheel (2)
Along central axis reciprocating rotation；
The lower die (3) of the level is moved back and forth with main roller wheel (2) in horizontal plane.
4. a kind of roller of rib plate according to claim 3 rolles over manufacturing process, it is characterised in that: the main roller wheel (2) is logical
Cross the rack movement that gear driving is fixed on lower die (3) side.
5. a kind of roller of rib plate according to claim 1 or 3 rolles over manufacturing process, it is characterised in that: in the lower die (3)
Portion is equipped with mandril (4)；After roll-in plate blank (1) molding, mandril (4) pushes up plate blank (1) from lower die (3) upper surface
It rises, completes demoulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653074.8A CN110508653B (en) | 2019-07-19 | 2019-07-19 | Roll forming method of rib plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653074.8A CN110508653B (en) | 2019-07-19 | 2019-07-19 | Roll forming method of rib plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110508653A true CN110508653A (en) | 2019-11-29 |
| CN110508653B CN110508653B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910653074.8A Expired - Fee Related CN110508653B (en) | 2019-07-19 | 2019-07-19 | Roll forming method of rib plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111375666A (en) * | 2020-02-14 | 2020-07-07 | 武汉理工大学 | Radial and axial enveloping rolling forming method for complex ribbed curved surface component |
| CN112222208A (en) * | 2020-10-08 | 2021-01-15 | 太原科技大学 | Rolling forming method of complex high-rib sheet |
| CN112317537A (en) * | 2020-10-26 | 2021-02-05 | 太原科技大学 | Rolling forming process of complex high-rib sheet |
| CN114210832A (en) * | 2021-11-29 | 2022-03-22 | 珠海冠宇电池股份有限公司 | Die for rolling tab, tab rolling device and tab manufacturing method |
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| GB2084495A (en) * | 1980-09-30 | 1982-04-15 | Tarmac Ind Holdings Ltd | Apparatus and method for tagging tube |
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| CN108273904A (en) * | 2018-01-25 | 2018-07-13 | 重庆大学 | Non- uniform thickness thin shell piece progressive molding apparatus and method based on rotating mould |
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| SU531564A1 (en) * | 1975-03-31 | 1976-10-15 | Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт | Oblique tube rolling mill guide tool |
| GB2084495A (en) * | 1980-09-30 | 1982-04-15 | Tarmac Ind Holdings Ltd | Apparatus and method for tagging tube |
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| CN107186063A (en) * | 2017-06-20 | 2017-09-22 | 重庆大学 | Integral panel rib die mould and bending integral forming method based on roll-in |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111375666A (en) * | 2020-02-14 | 2020-07-07 | 武汉理工大学 | Radial and axial enveloping rolling forming method for complex ribbed curved surface component |
| CN112222208A (en) * | 2020-10-08 | 2021-01-15 | 太原科技大学 | Rolling forming method of complex high-rib sheet |
| CN112317537A (en) * | 2020-10-26 | 2021-02-05 | 太原科技大学 | Rolling forming process of complex high-rib sheet |
| CN114210832A (en) * | 2021-11-29 | 2022-03-22 | 珠海冠宇电池股份有限公司 | Die for rolling tab, tab rolling device and tab manufacturing method |
| CN114210832B (en) * | 2021-11-29 | 2024-04-02 | 珠海冠宇电池股份有限公司 | Mold for rolling tab, tab rolling device and tab manufacturing method |
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| Publication number | Publication date |
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| CN110508653B (en) | 2020-09-29 |
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