CN101293267B - Continuous upsetting method for large flange at axle end of large-scale wind power principal axle - Google Patents
Continuous upsetting method for large flange at axle end of large-scale wind power principal axle Download PDFInfo
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- CN101293267B CN101293267B CN2008100249818A CN200810024981A CN101293267B CN 101293267 B CN101293267 B CN 101293267B CN 2008100249818 A CN2008100249818 A CN 2008100249818A CN 200810024981 A CN200810024981 A CN 200810024981A CN 101293267 B CN101293267 B CN 101293267B
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- wind power
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Abstract
The invention relates to a large flange upsetting method for the shaft end of a large-scale wind power main shaft, which includes the following procedures: a forged piece of the wind power main shaft after initial forging and shaping is hung out from a heating furnace, erected vertically, lifted by a lifting tool and is put in special tool equipment for the large flange upsetting at the shaft end of the wind power main shaft to carry out upsetting the large flange at the shaft end of the wind power main shaft, after the large flange of the shaft end of the wind power main shaft is rotatablely carried out upsetting to achieve the size meeting technological requirements, the forged piece of the wind power main shaft is vertically hung out from the special tool equipment for upsetting by the lifting tool and is horizontally placed and then is hung into the heating furnace for heating; the next forging process is carried out; the special tool equipment for upsetting consists of two parts of upsetting tool equipment and connecting tool equipment; the upsetting tool equipment includes a upsetting die (9), a gasket component (10), a rotation work table (11), a work table base (13) and a movable work table (14) from top to bottom sequentially; the connecting tool equipment includes a connecting plate (3), an upper anvil stand (4) and an upper anvil (7) from top to bottom sequentially. The method of the invention can shorten forging time, improve working efficiency and reduce forging cost and labor intensity for workers.
Description
Technical field
The present invention relates to large-scale wind electricity main-axis end large-flange jumping-up technology.Belong to and forge production technical field.
Background technology
Wind power principal axis forging its weight at present is 5～15 tons, because its design all has an end large-flange, its diameter is between 1050～1600mm, axle body length is between 2400～4000mm, they forge on 3150 tons hydraulic press all technological difficulties, and that is exactly how to forge the jumping-up end large-flange.Before the present invention made, large-scale wind electricity main-axis end large-flange jumping-up in the past was to adopt comparatively traditional forging method to carry out.Its forging time length, inefficiency, forging cost height, labor strength height.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of and can shorten forging time, increase work efficiency, reduce the continuous upsetting method for large flange at axle end of large-scale wind power principal axle that forges cost and labor strength.
The object of the present invention is achieved like this: a kind of continuous upsetting method for large flange at axle end of large-scale wind power principal axle, it is characterized in that described method comprises following technical process: wind power principal axis forging through first forging molding, by hanging out in the heating furnace, vertically hold up, again with the suspender wind power principal axis forging of slinging, vertically put among the wind electricity main-axis end large-flange jumping-up special tooling, wind electricity main-axis end large-flange is carried out jumping-up, for making the wind electricity main-axis end large-flange jumping-up be round, equal altitudes, should make its continuous jumping-up, constantly rotation in the upsetting process.This upsetting process is all finished in a whole set of jumping-up special tooling, after treating that wind electricity main-axis end large-flange rotation jumping-up reaches the technological requirement size, by suspender the wind power principal axis forging is vertically hung out from the jumping-up special tooling again, hang in the heating furnace after setting level and heat, enter down the step forging process
Described jumping-up special tooling by the jumping-up frock with form for the frock two parts that are connected of moving beam effective travel that make full use of press,
Described jumping-up frock comprises the wind electricity main-axis end large-flange heading die from top to bottom successively, adjust a whole set of gasket assembly that is fit to the wind power principal axis length requirement, guarantee the rotary table of the wind electricity main-axis end large-flange jumping-up frock rotation in the upsetting process, table base and travelling table, described heading die overlays on the gasket assembly, gasket assembly places on the rotary table, rotary table places on the table base, rotary table and table base contact-making surface are provided with the rolling slideway, described table base places on the travelling table
Described connection frock comprises connecting plate from top to bottom successively, goes up anvil block and upper anvil, connecting plate is installed on the moving beam, connecting plate thickness is at 300mm ± 20mm, last anvil block is installed with connecting plate with mount pin, process the fixed wedge hole in the described mount pin in the heart, the fixed wedge hole is urgent with fixed wedge, and described upper anvil adopts oat tail groove structure to be connected with last anvil block installation.It is very convenient that this cover connection frock is unloaded.
The present invention utilizes this cover frock to guarantee that the wind power principal axis forging is vertical and puts and be rotated jumping-up during the jumping-up end large-flange, makes the position homogeneous deformation of big flange when guaranteeing gathering stock, and the ratio of forging reduction that both can protect big flange can guarantee the circularity size of big flange again.
The inventive method and frock have shortened the large-scale wind electricity main-axis end large-flange forging time, improved forging efficient, reduced labor strength, satisfied the specific (special) requirements of wind electricity main-axis end large-flange jumping-up, guaranteed that wind power principal axis is to the end large-flange designing requirement, satisfy and surpassed the ratio of forging reduction of wind electricity main-axis end large-flange, can reach 6.77, and designing requirement generally reaches 4 and gets final product.The present invention makes and it has been generally acknowledged that wind electricity main-axis end large-flange forges that jumping-up is very difficult to become very easy forging method for upsetting.
Description of drawings
Fig. 1 is the large-scale wind electricity main-axis end large-flange jumping-up special tooling structural representation that the present invention relates to.
Fig. 2 is the A-A cut-away view of Fig. 1.
Fig. 3 is the B-B cut-away view of Fig. 1.
Among the figure: move beam 1, connecting bolt 2, connecting plate 3, go up anvil block 4, mount pin 5, fixed wedge 6, upper anvil 7, wind power principal axis forging 8, heading die 9, gasket assembly 10, rotary table 11, rolling slideway 12, table base 13, travelling table 14.
The specific embodiment
The continuous upsetting method for large flange at axle end of large-scale wind power principal axle that the present invention relates to, mainly comprise following technical process: wind power principal axis forging 8 through first forging molding, by hanging out in the heating furnace, with specific purpose tool it is vertically holded up, again with the suspender wind power principal axis forging of slinging, vertically put among the wind electricity main-axis end large-flange jumping-up special tooling, wind electricity main-axis end large-flange is carried out jumping-up, constantly jumping-up, constantly rotation in the upsetting process.This upsetting process is all finished in a whole set of jumping-up special tooling.After treating that wind electricity main-axis end large-flange rotation jumping-up reaches the technological requirement size, by suspender wind power principal axis is vertically hung out from the jumping-up special tooling again, hang in the heating furnace after setting level and heat, enter down the step forging process.
Referring to Fig. 1～3, described jumping-up special tooling by the jumping-up frock be connected frock two parts and form.Described jumping-up frock is made up of heading die 9, gasket assembly 10, rotary table 11, table base 13 and travelling table 14 from top to bottom successively.
Described heading die 9, because wind power principal axis has many specifications, its main shaft diameter difference, thereby its heading die is not quite similar, and becomes different size by its size design, to satisfy the wind power principal axis requirement of different size.
Described gasket assembly 10 is the general gasket assembly of a cover, is superposeed up and down by some packing rings and forms, and the every inside and outside footpath of packing ring is all identical, but highly incomplete same, can be used in combination when jumping-up difference length wind electricity main-axis end large-flange.
Described rotary table 11, during the jumping-up wind electricity main-axis end large-flange, because its diameter is big, how between 1050～1600mm,, be upset as circle for making wind electricity main-axis end large-flange so should adopt the gathering stock operation, in upsetting process, must make its continuous rotation, designed the wind electricity main-axis end large-flange rotary table for this reason,, also designed oil motor transmission tumbler for alleviating labor strength.
Described heading die 9 overlays on the gasket assembly 10, gasket assembly 10 places on the rotary table 11, rotary table 11 places on the table base 13, and rotary table 11 is provided with rolling slideway 12 with table base 13 contact-making surfaces, and described table base 13 places on the travelling table 14.
Described connection frock is made up of connecting plate 3, last anvil block 4 and upper anvil 7 from top to bottom successively.
Described connecting plate 3, because of the stroke of general press only has 4000mm, and the length of wind power principal axis is at 3600～4000mm, must make full use of the effective travel of press for the jumping-up needs that satisfy wind electricity main-axis end large-flange, and be designed to a upward chopping block under the moving beam of press usually, it plays and moves beam the effect that is connected is installed, its underpart is designed to one and goes up anvil block, it with mostly be Hanging type being connected of last chopping block, be beneficial to installing/dismounting, the following multi-processing of last anvil block becomes dovetail groove, be only upper anvil below the last anvil block, upper anvil top is designed to dovetail type more, upper anvil is installed in the anvil block dovetail groove and uses drift urgent, this covering device highly reaches 1200mm usually, in order to reduce their height, the present invention has designed novel connecting plate 3, connecting plate 3 is installed on the moving beam 1, by 12 connecting bolt 2 bolting together, this connecting plate and top said not being both it and can making the jumping-up plate and use of chopping block maximum of going up, its thickness is at 300mm ± 20mm, and the stroke of press just can make full use of like this, and the common height 1200mm that occupies is dropped to about 300mm ± 20mm.
The described anvil block 4 of going up, in order to make full use of the effective travel of press, the present invention has designed last anvil block 4, two mount pins 5 of last anvil block 4 usefulness are installed with connecting plate 3, be easy accessibility, process the fixed wedge hole in the mount pin 5 in the heart, with fixed wedge 6 urgent getting final product, dismounting is very convenient, still adopts oat tail groove structure to install with upper anvil 7 dovetails on the last anvil block 4.This anvil block 4 of going up can lower design height greatly, make full use of the press stroke, and dismounting is very convenient, greatly reduces the dismounting time, thereby has improved production efficiency.
In sum: the present invention has adopted the novel frock design in above-mentioned many tops, has guaranteed the technological requirement of wind electricity main-axis end large-flange jumping-up.Make common forging industry think that wind electricity main-axis end large-flange is difficult to forging and has become easy production method.
Embodiment 1:
Wind power principal axis forging 8, finish chamfered edge, press from all directions, behind round as a ball, jumping-up, the quarter forging process such as step, enter wind electricity main-axis end large-flange jumping-up operation, wind power principal axis forging heat tracing in heating furnace before this operation, utilize during this period of time, wind electricity main-axis end large-flange jumping-up frock is all lifted.
Lifting of wind electricity main-axis end large-flange jumping-up frock and wind electricity main-axis end large-flange upsetting process:
1,, under the moving beam of press, leaves the press travelling table.
2, rotary table integral body (comprising rotary table, rolling slideway, table base) is lifted on the travelling table, it is good to end spiral-lock by travelling table.
3, gasket assembly is lifted on the rotary table by part of wind power principal axis length requirement, the most next being placed in the middle of three steady pins, packing ring is formed one by ending button.
4, the wind electricity main-axis end large-flange heading die is lifted on the washer combinations, also fixing by ending button.
5, determine the lifting of upper anvil according to the length of wind power principal axis, can satisfy the wind power principal axis length requirement, then upper anvil and last anvil block are lifted with mount pin as the press stroke, and urgent with fixed wedge.If the press stroke does not satisfy the wind power principal axis length requirement, then last anvil block and upper anvil are unloaded down, to strengthen the press effective travel, satisfy the requirement of wind electricity main-axis end large-flange jumping-up.
6, after the wind electricity main-axis end large-flange frock all installs, can from heating furnace, hang out the wind power principal axis forging.
7, with specific purpose tool the wind power principal axis forging is vertically holded up.
8, with suspender the wind power principal axis forging of vertically holding up is hung among the wind electricity main-axis end large-flange jumping-up frock.
9, start the press travelling table to the moving beam of press.
10, start the moving beam of press wind electricity main-axis end large-flange is carried out jumping-up.
11, rotate rotary table as required, the wind power principal axis forging is rotated together with a whole set of wind electricity main-axis end large-flange jumping-up frock, finally finish the jumping-up operation of wind electricity main-axis end large-flange.After finishing, jumping-up it is hung out from frock with suspender.
Claims (1)
1. continuous upsetting method for large flange at axle end of large-scale wind power principal axle, it is characterized in that described method comprises following technical process: wind power principal axis forging through first forging molding, by hanging out in the heating furnace, vertically hold up, again with the suspender wind power principal axis forging of slinging, vertically put among the wind electricity main-axis end large-flange jumping-up special tooling, wind electricity main-axis end large-flange is carried out jumping-up, continuous jumping-up in the upsetting process, constantly rotation, this upsetting process is all finished in a whole set of jumping-up special tooling, after treating that wind electricity main-axis end large-flange rotation jumping-up reaches the technological requirement size, by suspender the wind power principal axis forging is vertically hung out from the jumping-up special tooling again, hang in the heating furnace after setting level and heat, enter down the step forging process
Described jumping-up special tooling by the jumping-up frock be connected frock two parts and form,
Described jumping-up frock comprises heading die (9) from top to bottom successively, gasket assembly (10), rotary table (11), table base (13) and travelling table (14), described heading die (9) overlays on the gasket assembly (10), gasket assembly (10) places on the rotary table (11), rotary table (11) places on the table base (13), rotary table (11) is provided with rolling slideway (12) with table base (13) contact-making surface, described table base (13) places on the travelling table (14)
Described connection frock comprises connecting plate (3) from top to bottom successively, goes up anvil block (4) and upper anvil (7), connecting plate (3) is installed on the moving beam (1), connecting plate (3) thickness is at 300mm ± 20mm, last anvil block (4) is installed with connecting plate (3) with mount pin (5), described mount pin processes the fixed wedge hole in (5) in the heart, the fixed wedge hole is urgent with fixed wedge (6), and described upper anvil (7) adopts oat tail groove structure to be connected with last anvil block (4);
Described gasket assembly (10) is superposeed up and down by some packing rings and forms, and the every inside and outside footpath of packing ring is all identical, highly incomplete same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100249818A CN101293267B (en) | 2008-05-23 | 2008-05-23 | Continuous upsetting method for large flange at axle end of large-scale wind power principal axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100249818A CN101293267B (en) | 2008-05-23 | 2008-05-23 | Continuous upsetting method for large flange at axle end of large-scale wind power principal axle |
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| Publication Number | Publication Date |
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| CN101293267A CN101293267A (en) | 2008-10-29 |
| CN101293267B true CN101293267B (en) | 2010-06-02 |
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| CN2008100249818A Expired - Fee Related CN101293267B (en) | 2008-05-23 | 2008-05-23 | Continuous upsetting method for large flange at axle end of large-scale wind power principal axle |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000758A (en) * | 2010-11-19 | 2011-04-06 | 太原重工股份有限公司 | Falling round die for forging hydraulic press |
| CN102728756B (en) * | 2012-06-27 | 2014-12-17 | 江苏金源锻造股份有限公司 | Wind power spindle flange upsetting process |
| CN103586381B (en) * | 2012-08-17 | 2015-07-22 | 苏州汉金模具技术有限公司 | Cold-forging forming method for flange parts with round corners smaller than R zero point five |
| CN102873237A (en) * | 2012-10-17 | 2013-01-16 | 西南铝业（集团）有限责任公司 | T-shaped forge piece blank-manufacturing processing technology and device thereof |
| CN102989946A (en) * | 2012-10-22 | 2013-03-27 | 如皋市大生线路器材有限公司 | One-step forging and forming process of pillar flange for transformer substation |
| CN104107872B (en) * | 2013-04-19 | 2016-10-05 | 宝钢特钢有限公司 | Forging press large-scale steel ingot method for upsetting |
| CN104942195B (en) * | 2015-06-12 | 2017-07-25 | 中钢集团邢台机械轧辊有限公司 | Large-scale steel ingot jumping-up founds material method |
| CN105234328B (en) * | 2015-06-29 | 2017-05-17 | 江苏联峰能源装备有限公司 | Rotary worktable for free forging |
| CN106238661B (en) * | 2016-08-26 | 2018-12-25 | 江阴振宏重型锻造有限公司 | The hollow forging technique of large-scale wind electricity main-axis |
| CN114850374A (en) * | 2022-07-05 | 2022-08-05 | 山西大原机电科技有限公司 | Rotary workbench for fan shaft die forging press |
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Patent Citations (3)
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| CN2057876U (en) * | 1989-11-03 | 1990-06-06 | 北京重型机器厂 | Clamping and rotating device of top smith anvil of forging hydraulic press |
| CN1883847A (en) * | 2006-07-11 | 2006-12-27 | 张华文 | Production process for preparing finish forged blank of axial-shifting blind-hole type universal joint housing and dedicated die therefor |
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Owner name: JIANGYIN LEGAO ENERGY EQUIPMENT CO., LTD. Free format text: FORMER NAME: JIANGYIN FENGDIAN FLANGE MANUFACTURE CO., LTD. |
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Address after: 214423, No. 458, South Avenue, Hua Hua, Zhouzhuang Town, Jiangyin, Jiangsu, Hongcun Patentee after: JIANGYIN LEGAO ENERGY EQUIPMENT CO., LTD. Address before: 214423, No. 458, South Avenue, Hua Hua, Zhouzhuang Town, Jiangyin, Jiangsu, Hongcun Patentee before: Jiangyin Fengdian Flange Manufacture Co., Ltd. |
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