CN101947624A - Wind-electricity shaft forging die - Google Patents
Wind-electricity shaft forging die Download PDFInfo
- Publication number
- CN101947624A CN101947624A CN 201010258328 CN201010258328A CN101947624A CN 101947624 A CN101947624 A CN 101947624A CN 201010258328 CN201010258328 CN 201010258328 CN 201010258328 A CN201010258328 A CN 201010258328A CN 101947624 A CN101947624 A CN 101947624A
- Authority
- CN
- China
- Prior art keywords
- wind
- die
- die holder
- forging
- blank
- 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.)
- Pending
Links
Images
Landscapes
- Forging (AREA)
Abstract
The invention discloses a wind-electricity shaft forging die which can lighten the labor intensity and improve the working efficiency without secondary heating. The wind-electricity shaft forging die comprises a die holder and a die ring overlapped on the die holder, wherein the inner hole of the die holder is above 10 percent larger than the shaft end of a wind-electricity shaft blank, a cavity corresponding to the neck of the wind-electricity shaft blank is arranged at the top end of the die ring, a transition hole penetrating through the die ring is arranged at the bottom of the cavity, and the transition hole is above 45 percent higher than the cavity. Because the inner hole of the die holder is larger than the shaft end of the blank, the shaft end of the blank is not in contact with the die holder, and secondary heating is not needed, the forging quality of a wind-electricity shaft is ensured and the energy resources are saved. The die holder is detachably connected with the die ring, which greatly facilitates the operation, reduces the labor intensity and improves the working efficiency. Because the transition hole is provided, the accumulation can not happen at the edge of the bottom of the die ring when a flange head is forged, thereby greatly facilitating the normal operation of demoulding.
Description
Technical field
The present invention relates to the forging mold of the wind-powered electricity generation axle that is used to process wind-power electricity generation.
Background technology
At present, the flange head of the rotating shaft end of wind-driven generator is with axle and forges the integrative-structure that forms, and people are referred to as the wind-powered electricity generation axle, and wherein, the radial dimension of flange head differs the comparison great disparity with the radial dimension of axle, reaches 1: 2.5 usually.Traditional forging method, the steps include: first ejection, it is thick with the flange head pier to put into mould then, then mould is stood up mould is placed on the cushion block and put into demoulding cushion block from axle head forging and mould are thrown off, take out blank then, manipulator is clamped axle head flange head is thrown circle, after turning around again, manipulator is clamped the flange head of being thrown circle and axle head is forged again, and makes it to reach to forge to require size.Adopt this traditional forging die to forge, major defect has:
1, because the wind-powered electricity generation forging shaft belongs to large forgings, weigh 13.5 tons, the weight of forging die that is used to forge this forging is heavier, about more than 30 tons, make that in forging process it is very heavy and a bother thing that the mould that blank is housed is stood up, labour intensity is big, inefficiency;
2, after the axle head after the ejection inserts mould, in to the thick process of flange head pier, the blank axle head contacts cooling rapidly with mould inner wall, so that do not reach forging temperature after the demoulding, make and normally to forge axle head after the blank demoulding, after must post bake, could forge axle head after reaching forging temperature; But after the post bake, can produce the coarse-grain phenomenon, cause the forging quality to descend, wind-powered electricity generation shaft mechanical performance be had considerable influence, the performance requirement in the time of can't reaching design.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and can reduce labor intensity, increase work efficiency and without the wind-powered electricity generation axle forging die of post bake.
For solving the problems of the technologies described above, the technical solution used in the present invention is: wind-powered electricity generation axle forging die, this forging die is a split-type structural, comprise: die holder and the mould circle that overlays on the die holder, the axle head of the interior boring ratio wind-powered electricity generation axle material base of described die holder is big more than 10%, the top of described mould circle offers the corresponding die cavity of neck with wind-powered electricity generation axle material base, and the bottom of this die cavity offers the transitional pore that connects the mould circle, and the height of the described die cavity of aspect ratio of transitional pore is high more than 45%.
Described transitional pore is the wide narrow bellmouth of bead down of upper edge hole.
The invention has the beneficial effects as follows: because boring ratio blank axle head is big in the die holder, has guaranteed that the blank axle head does not contact with die holder, thereby do not needed post bake, both guaranteed the forging quality of wind-powered electricity generation axle, saved the energy again; And die holder and the split of mould circle greatly facilitate operation, have reduced labour intensity, have improved operating efficiency; The setting of transitional pore has then guaranteed when forging flange head, can not form at the bottom of mould circle bead and pile up, and greatly facilitates normally carrying out of the demoulding.In addition, transitional pore is arranged to bellmouth, has further facilitated the demoulding.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1, die holder, 11, endoporus, 12, joint hinge, 2, the mould circle, 21, die cavity, 22, transitional pore.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.
As shown in Figure 1, wind-powered electricity generation axle forging die of the present invention, this forging die is a split-type structural, comprise: die holder 1 and the mould circle 2 that overlays on the die holder 1, the endoporus 11 of die holder 1 is bigger by 10～15% than the axle head of wind-powered electricity generation axle material base, the middle part of the outer wall of die holder 1 circumferentially evenly is provided with four joint hinges 12, the top of described mould circle 2 offers and the corresponding die cavity 21 of the neck of wind-powered electricity generation axle material base, the bottom of this die cavity 21 offers the transitional pore 22 that connects mould circle 2, this transitional pore 22 is the wide narrow bellmouth of bead down of upper edge hole, the height of the described die cavity 21 of the aspect ratio of transitional pore 22 is high more than 45%, common 1.5 times of the height of transitional pore 22 being arranged to die cavity 21 height.
Adopt above-mentioned forging die to be: mould circle 2 to be overlayed on the die holder 1, wind-powered electricity generation shaft flange head is carried out jumping-up, reach radially required size of wind-powered electricity generation shaft flange head with the course of work that the wind-powered electricity generation axis blank forges into forging; Hang out blank and mould circle 2 then, hang away die holder 1, with blank and mould circle 2 traverses, manipulator is clamped the blank axle head, push down mould circle 2 with anvil about the press, manipulator is done rotation and is moved forward, makes blank separate with mould circle 2, and to the wind-powered electricity generation axle the flange head of jumping-up carry out radial direction and throw circle, consistent size around making it radially, tune then, manipulator is clamped the flange head of moulding, the blank axle head is forged, make it to meet the forging required size.Because the blank axle head does not contact with mould, blank temperature does not sharply descend, and satisfies forging temperature fully.Like this, both satisfied requirement, avoided post bake again, saved the energy, the most important thing is to stop the flange head behind the jumping-up, improved the inherent quality of forging greatly owing to the coarse-grain phenomenon that post bake produces to wind-powered electricity generation shaft flange head jumping-up.
Claims (2)
1. wind-powered electricity generation axle forging die, it is characterized in that: described forging die is a split-type structural, comprise: die holder and the mould circle that overlays on the die holder, the axle head of the interior boring ratio wind-powered electricity generation axle material base of described die holder is big more than 10%, the top of described mould circle offers the corresponding die cavity of neck with wind-powered electricity generation axle material base, the bottom of this die cavity offers the transitional pore that connects the mould circle, and the height of the described die cavity of aspect ratio of transitional pore is high more than 45%.
2. wind-powered electricity generation axle forging die as claimed in claim 1 is characterized in that: described transitional pore is the wide narrow bellmouth of bead down of upper edge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010258328 CN101947624A (en) | 2010-08-20 | 2010-08-20 | Wind-electricity shaft forging die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010258328 CN101947624A (en) | 2010-08-20 | 2010-08-20 | Wind-electricity shaft forging die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101947624A true CN101947624A (en) | 2011-01-19 |
Family
ID=43451323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010258328 Pending CN101947624A (en) | 2010-08-20 | 2010-08-20 | Wind-electricity shaft forging die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101947624A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861846A (en) * | 2012-09-21 | 2013-01-09 | 上海电气（无锡）锻压有限公司 | Forging method and forging die for forging with protrusions |
| CN114589284A (en) * | 2022-05-10 | 2022-06-07 | 中北大学 | One-fire cogging die and method for alloy bar and upsetting-extruding-upsetting large deformation method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1573668A (en) * | 1967-08-04 | 1969-07-04 | ||
| SU874255A1 (en) * | 1979-05-11 | 1981-10-23 | Краматорский Индустриальный Институт | Method of shaping hollow articles with flange |
| CN101456057A (en) * | 2008-12-01 | 2009-06-17 | 江阴风电法兰制造有限公司 | Large-scale wind electricity main-axis end large-flange tyre die forging tool and method |
| CN201304465Y (en) * | 2008-12-01 | 2009-09-09 | 江阴风电法兰制造有限公司 | Large-scale wind-powered chief axis end big flange continuous upsetting molding mould |
| CN201361674Y (en) * | 2009-03-16 | 2009-12-16 | 江阴南工锻造有限公司 | Countersunk head die of main shaft of blower |
| CN201385098Y (en) * | 2009-03-16 | 2010-01-20 | 江阴南工锻造有限公司 | Countersunk head die structure of fan main shaft for large wind turbine |
| EP2202013A1 (en) * | 2008-12-17 | 2010-06-30 | General Electric Company | Extrusion die and method for extruding a rotor shaft for a wind turbine generator |
| CN201776384U (en) * | 2010-08-20 | 2011-03-30 | 张家港市广大机械锻造有限公司 | Wind power shaft forging die |
-
2010
- 2010-08-20 CN CN 201010258328 patent/CN101947624A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1573668A (en) * | 1967-08-04 | 1969-07-04 | ||
| SU874255A1 (en) * | 1979-05-11 | 1981-10-23 | Краматорский Индустриальный Институт | Method of shaping hollow articles with flange |
| CN101456057A (en) * | 2008-12-01 | 2009-06-17 | 江阴风电法兰制造有限公司 | Large-scale wind electricity main-axis end large-flange tyre die forging tool and method |
| CN201304465Y (en) * | 2008-12-01 | 2009-09-09 | 江阴风电法兰制造有限公司 | Large-scale wind-powered chief axis end big flange continuous upsetting molding mould |
| EP2202013A1 (en) * | 2008-12-17 | 2010-06-30 | General Electric Company | Extrusion die and method for extruding a rotor shaft for a wind turbine generator |
| CN201361674Y (en) * | 2009-03-16 | 2009-12-16 | 江阴南工锻造有限公司 | Countersunk head die of main shaft of blower |
| CN201385098Y (en) * | 2009-03-16 | 2010-01-20 | 江阴南工锻造有限公司 | Countersunk head die structure of fan main shaft for large wind turbine |
| CN201776384U (en) * | 2010-08-20 | 2011-03-30 | 张家港市广大机械锻造有限公司 | Wind power shaft forging die |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861846A (en) * | 2012-09-21 | 2013-01-09 | 上海电气（无锡）锻压有限公司 | Forging method and forging die for forging with protrusions |
| CN114589284A (en) * | 2022-05-10 | 2022-06-07 | 中北大学 | One-fire cogging die and method for alloy bar and upsetting-extruding-upsetting large deformation method |
| CN114589284B (en) * | 2022-05-10 | 2022-07-29 | 中北大学 | One-fire cogging die and method for alloy bar stock and upsetting-extruding-upsetting large deformation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101224484B (en) | Large-scale forging dies for near-isothermally forging disc forgeable piece | |
| CN202103831U (en) | T-shaped iron die | |
| CN201693077U (en) | Blanking and central hole/screw hole-punching composite die | |
| CN109226618A (en) | Mold is used in the compound Forging Technology of high-power wind turbine main shaft and forging and stamping | |
| CN103962482A (en) | Rolling technology of large wind power flange | |
| CN201632580U (en) | Mold for forging aluminium alloy motorcycle wheel hub | |
| CN201049377Y (en) | Large combined die for isothermal forging of high-temperature alloy | |
| CN101758157A (en) | Large forging mold of integral disc-shaft forging piece formed by similar isothermal forging | |
| CN201776384U (en) | Wind power shaft forging die | |
| CN201807692U (en) | Vertical type cold forging forming die of buttonhead of electric power fitting | |
| CN101947624A (en) | Wind-electricity shaft forging die | |
| CN113369429B (en) | Forming method for integrally die forging of main shaft body of long-shaft-shaped fan | |
| CN201361674Y (en) | Countersunk head die of main shaft of blower | |
| CN203817262U (en) | Two-in-one rolling tool for special-shaped ring forgings of large wind tower flanges | |
| CN201483669U (en) | Framework feeding device | |
| CN109127984A (en) | A kind of big tenon aluminium alloy vane upset blanking mold | |
| CN203018668U (en) | Anti-twisting unloading-free forge piece heat punching integrated die | |
| CN202192200U (en) | Shaft forging die | |
| CN101961745A (en) | Method for forming two workpieces by spinning and mold group using same | |
| CN101722270A (en) | Wind driven generator principal shaft molding technique | |
| CN102728753A (en) | External concave annular forging piece tool of engineering machine | |
| CN103949575A (en) | Gearbox main shaft vertical forging production method and special forging mold | |
| CN201361677Y (en) | Composite mould for main shaft of fan | |
| CN205217895U (en) | Wind -powered electricity generation axle forging die | |
| CN205926782U (en) | Disposable automatic stamping forming's die stamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110119 |