CN101456057B - Large-scale wind electricity main-axis end large-flange tyre die forging tool and method - Google Patents
Large-scale wind electricity main-axis end large-flange tyre die forging tool and method Download PDFInfo
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- CN101456057B CN101456057B CN2008101805430A CN200810180543A CN101456057B CN 101456057 B CN101456057 B CN 101456057B CN 2008101805430 A CN2008101805430 A CN 2008101805430A CN 200810180543 A CN200810180543 A CN 200810180543A CN 101456057 B CN101456057 B CN 101456057B
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Abstract
The invention discloses a forging tool for a large flange mould at an axle end of a large-scale wind power main shaft and a forging method. The tool comprises the large flange mould at the axle end of the wind power main shaft, and a turn table for adjusting a complete set of gasket suitable for length requirement of the wind power main shaft and ensuring rotation of the forging tool for the large flange mould at the axle end of the wind power main shaft during upsetting. The forging method comprises the following steps: hanging out a forged piece of the wind power main shaft after forging and shaping from a heating furnace, erecting the forged piece vertically, then hanging the forged piece by a hanger, putting the forged piece into the forging tool for the large flange mould at the axle end of the wind power main shaft, forging a mould for a large flange at the axle end of the wind power main shaft, and rotating the tool during forging in order to make the large flange at the axle end of the wind power main shaft capable of evenly filling a mould cavity of the large flange mould at the axle end of the wind power main shaft. The forging tool and the method reduce processing allowance of the large flange at the axle end of the wind power main shaft, have the advantages of accurate size and regular shape, reduce weight of the forged piece of the wind power main shaft by 6 to 7 percent, and can improve size accuracy of the large flange at the axle end of the wind power main shaft by 13 to 20 percent.
Description
Technical field
The present invention relates to a kind of large-scale wind electricity main-axis end large-flange tyre die and make frock and forging method, belong to the forging production technical field.
Background technology
Large-scale wind electricity main-axis forging its weight at present is 5～15 tons, even it is heavier, because its design all has an end large-flange, its diameter is between 1050～1500mm, axle body length is between 2400～4000, they forge on the 3150T hydraulic press all technological difficulties, and that is exactly a more accurate forging end large-flange how.
Summary of the invention
The technical issues that need to address of the present invention just are to provide a kind of large-scale wind electricity main-axis end large-flange tyre die to make frock and forging method, it has improved the forging precision, reduced the wind power principal axis forge weight, shortened forging time, reduce labor strength, reduced machined man-hour, reduced production cost, satisfied the specification requirement of wind electricity main-axis end large-flange Forging Technology, for new road has been opened up in the great development of wind-powered electricity generation cause.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of large-scale wind electricity main-axis end large-flange tyre die of the present invention is made frock, comprise hydraulic press and wind power principal axis forging, described hydraulic press comprises hydraulic press travelling table and the motor-driven Beam of oil pressure, described frock is installed on the hydraulic press travelling table, comprise turntable, described turntable comprises the turntable base, described turntable base is installed on the hydraulic press travelling table, by slideway rotating circular disk is installed on the described turntable base, one group of gasket assembly is installed on the described rotating circular disk, wind electricity main-axis end large-flange is installed on the described gasket assembly forges loose tool; Described wind power principal axis forging is placed in the loose tool; The motor-driven Beam of described oil pressure bottom is equipped with moving Beam pendulum connecting plate, and movable pendulum connecting plate bottom is equipped with anvil block, and the described anvil block bottom of going up is equipped with upper anvil.
Turntable of the present invention is hollow turntable, and the center of turntable is hollow, and described turntable is made of upper and lower two parts, and the bottom is hollow turntable base, and top is hollow turntable disk, is provided with a locating ring between described base and the disk; Be provided with ball between base and the disk, be provided with the sliding way that is installed in the disk on the ball, be provided with glide path under the ball, base is provided with one group of spring mounting groove, in the described spring mounting groove spring is installed, described spring top is connected with glide path, and the spring bottom is placed in the pad in the spring groove, and a spring backstay is installed in the described spring.When forging wind electricity main-axis end large-flange, because its diameter is big, so adopt the gathering stock forging process more.For making wind electricity main-axis end large-flange be full of loose tool, in forging process, must constantly the wind power principal axis forging constantly be rotated together with a whole set of frock, turntable of the present invention has satisfied the rotation requirement in the forging process.
Gasket assembly of the present invention is made of with, highly complete identical packing ring external diameter homogeneous phase in a group, and described packing ring is installed by ending the button combination.Described gasket assembly can be when forging the different wind electricity main-axis end large-flange of length, and the use that forms a complete set of is to satisfy the length requirement of wind power principal axis.
It is an annular groove type that wind electricity main-axis end large-flange of the present invention forges loose tool, and the groove cavity in the middle of the loose tool is the loose tool die cavity, and the centre of loose tool die cavity is provided with a loose tool and leaks shaft through-hole, and described loose tool die cavity bottom is provided with a loose tool die cavity preformed groove.
Moving Beam connecting plate of the present invention is connected by the motor-driven Beam of screw and oil pressure, the connecting plate two ends are respectively arranged with a "T"-shaped groove, described "T"-shaped groove is the mounting groove of last anvil block mount pin, the described anvil block of going up is connected with connecting plate by mount pin, mount pin is provided with the fixed wedge hole, in order to make full use of 3150T hydraulic press effective travel, the anvil block of going up of the present invention is installed with connecting plate by two mount pins, be easy accessibility, be processed with the fixed wedge hole on the mount pin, get final product with fixed wedge is urgent, dismounting is very convenient.
Its range of 3150T hydraulic press only has 4000mm, and the large-scale wind electricity main-axis length that must produce is forged needs at 3600～4000mm in order to satisfy large-scale wind electricity main-axis end large-flange, must make full use of the effective travel of 3150T hydraulic press.
Be designed to one under the moving Beam of usually oil press and go up chopping block, it plays with moving Beam the effect that is connected is installed, anvil block is gone up in one of its underpart design, it with mostly be Hanging type being connected of last chopping block, multi-processing becomes dovetail groove below last chopping block; Install hammering block below last anvil block, multi-processing becomes a dovetail above the upper anvil, and the upper anvil dovetail is installed in the anvil block dovetail groove, and urgent with drift.Generally on the 3150T hydraulic press, this cover frock highly reaches 1200mm usually.In order to reduce the height of this cover frock, the present invention has used moving Beam connecting plate, it is installed in moving Beam and upward installs and fixes by 12 screws, described connecting plate and recited abovely go up not being both it and can making the jumping-up plate and use of chopping block maximum, its height is about 300mm, like this its use can make height that common last anvil block adds upper anvil from, 1200mm has dropped to 300mm quickly.Only this item just can make full use of 3150T hydraulic press effective travel 900mm like this.
Upward anvil block of the present invention bottom is a dovetail groove, and described upper anvil top is a dovetail, and the upper anvil dovetail is installed in the anvil block dovetail groove.Last anvil block bottom adopts oat tail groove structure not only can reduce design height, and dismounting is very convenient, greatly reduces the dismounting time, thereby has improved production efficiency.
The present invention discloses and a kind ofly use described large-scale wind electricity main-axis end large-flange tyre die to make frock to carry out the forging method that large-scale wind electricity main-axis end large-flange tyre die is made, described method comprises the following steps:
1), the hydraulic press travelling table is left under its moving Beam;
2), turntable integral body, comprise that rotating circular disk, slideway and turntable base lift on the hydraulic press travelling table, rely on its table top groove to install;
3), packing ring is pressed the large-scale wind electricity main-axis length requirement, a part is lifted on the rotary table, and packing ring is formed one by ending button;
4), the large-scale wind electricity main-axis end large-flange loose tool is lifted on the washer combinations, fetal membrane also is fixed into one by ending button with washer combinations;
5), determine the lifting of upper anvil according to large-scale wind electricity main-axis length, if the hydraulic press stroke can meet the demands, then upper anvil and last anvil block are lifted with mount pin, and it is urgent with fixed wedge, do not satisfy requirement as the hydraulic press effective travel, then last anvil block and upper anvil are unloaded down, strengthened the motor-driven Beam effective travel of oil pressure, make requirement to satisfy large-scale wind electricity main-axis end large-flange tyre die;
6), after large-scale wind electricity main-axis end large-flange loose tool frock all installs, the large-scale wind electricity main-axis forging that heats is hung out from heating furnace;
7), the large-scale wind electricity main-axis forging is vertically holded up.
8), with suspender the large-scale wind electricity main-axis forging of vertically holding up being hung in large-scale wind electricity main-axis end large-flange tyre die makes in the frock;
9), the hydraulic press travelling table is reached under the motor-driven Beam of oil pressure;
10), start the motor-driven Beam of oil pressure large-scale wind electricity main-axis end large-flange is carried out the jumping-up forging;
11), according to the needs rotation rotating circular disk that upsetting forges, the large-scale wind electricity main-axis forging is rotated together with a whole set of frock, finally finish the large-scale wind electricity main-axis end large-flange upsetting and forge, make big flange be full of the loose tool die cavity;
12), start the hydraulic press travelling table, it is left under the motor-driven Beam of oil pressure;
13), loose tool is sling together with the wind power principal axis forging with suspender;
14), the demoulding from loose tool of wind power principal axis forging is set level, prepare to enter down and go on foot operation.
Described hydraulic press is the 3150T hydraulic press.
The present invention reduces the allowance of wind electricity main-axis end large-flange because wind electricity main-axis end large-flange is to forge in loose tool, and size is accurate, and shape is regular, than free compression forge obviously good.Thereby reduce wind power principal axis forge weight 6～7%, the wind electricity main-axis end large-flange dimensional accuracy can improve 13～20%.Can reduce production costs like this, improve machined efficient, thereby increase economic efficiency.
In sum: the present invention has guaranteed that large-scale wind electricity main-axis end large-flange tyre die makes requirement, makes common forging industry think that large-scale wind electricity main-axis end large-flange is difficult to forge become and is easy to and the production method of shape essence, size standard.
Description of drawings
Fig. 1 is that large-scale wind electricity main-axis end large-flange tyre die of the present invention is made the tool structure schematic diagram.
Fig. 2 is a turntable structural representation of the present invention.
Fig. 3 is that wind electricity main-axis end large-flange of the present invention forges the loose tool structural representation.
Fig. 4 is a moving Beam connecting plate structural representation of the present invention.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this
The invention embodiment is described in further detail.
As shown in Figure 1, a kind of large-scale wind electricity main-axis end large-flange tyre die of the present invention is made frock, comprise hydraulic press and wind power principal axis forging 8, described hydraulic press comprises hydraulic press travelling table 14 and the motor-driven Beam 1 of oil pressure, described frock is installed on the hydraulic press travelling table, comprise turntable, described turntable comprises turntable base 13, described turntable base is installed on the hydraulic press travelling table 14, by slideway 12 rotating circular disk 11 is installed on the described turntable base, one group of gasket assembly 10 is installed on the described rotating circular disk, wind electricity main-axis end large-flange is installed on the described gasket assembly forges loose tool 9; Described wind power principal axis forging 8 is placed in the loose tool; The motor-driven Beam of described oil pressure bottom is equipped with moving Beam connecting plate 3, and movable pendulum connecting plate bottom is equipped with anvil block 4, and the described anvil block bottom of going up is equipped with upper anvil 7.
As shown in Figure 2, turntable of the present invention is hollow turntable, and the center of turntable is hollow, described turntable is made of upper and lower two parts, the bottom is hollow turntable base 13, and top is hollow turntable disk 11, is provided with a locating ring 15 between described base and the disk; Be provided with ball 16 between base and the disk, be provided with the sliding way 17 that is installed in the disk on the ball, be provided with glide path 18 under the ball, base is provided with one group of spring mounting groove, in the described spring mounting groove spring 19 is installed, described spring top is connected with glide path, and the spring bottom connects the pad 20 that is placed in the spring groove, and a spring backstay 21 is installed in the described spring.When forging wind electricity main-axis end large-flange, because its diameter is big, so adopt the gathering stock forging method more.For making wind electricity main-axis end large-flange be full of loose tool, in forging process, must constantly the wind power principal axis forging constantly be rotated together with a whole set of frock, turntable of the present invention has satisfied the rotation requirement in the forging process.
As shown in Figure 1, gasket assembly of the present invention is made of with, highly complete identical packing ring external diameter homogeneous phase in a group, and described packing ring is installed by ending the button combination.Described gasket assembly can be when forging the different wind electricity main-axis end large-flange of length, and the use that forms a complete set of is to satisfy the length requirement of wind power principal axis.
As shown in Figure 3, it is the fluted body of an annular that wind electricity main-axis end large-flange of the present invention forges loose tool 9, annular groove chamber in the middle of the loose tool is a loose tool die cavity 22, the centre of loose tool die cavity is provided with a loose tool and leaks shaft through-hole 23, and the bottom of described loose tool die cavity is provided with a loose tool die cavity preformed groove 24.
As shown in Figure 1, moving Beam connecting plate of the present invention is connected with the motor-driven Beam of oil pressure by screw 2, as shown in Figure 4, connecting plate 3 two ends are respectively arranged with a "T"-shaped groove 25, described "T"-shaped groove is the mounting groove of last anvil block mount pin, as shown in Figure 1, the described anvil block of going up is connected with connecting plate by mount pin 5, mount pin is provided with fixed wedge hole 6, and in order to make full use of 3150T hydraulic press effective travel, the anvil block of going up of the present invention is installed with connecting plate by two mount pins, be easy accessibility, be processed with the fixed wedge hole on the mount pin, get final product with fixed wedge is urgent, dismounting is very convenient.
Its range of 3150T hydraulic press only has 4000mm, and the large-scale wind electricity main-axis length that must produce is forged needs at 3600～4000mm in order to satisfy large-scale wind electricity main-axis end large-flange, must make full use of the effective travel of 3150T hydraulic press.
Be designed to one under the usually oil press movable pendulum Beam and go up chopping block, it plays with moving Beam the effect that is connected is installed, anvil block 4 is gone up in one of its underpart design, it with mostly be Hanging type being connected of last chopping block 3, multi-processing becomes dovetail groove below last chopping block; Install hammering block 7 below last anvil block, multi-processing becomes a dovetail above the upper anvil, and the upper anvil dovetail is installed in the anvil block dovetail groove, and urgent with drift.Generally on the 3150T hydraulic press, this cover frock highly reaches 1200mm usually.In order to reduce the height of this cover frock, the present invention designs and has used moving Beam connecting plate, it is installed in moving Beam and upward installs and fixes by 12 screws, described connecting plate and recited abovely go up not being both it and can making the jumping-up plate and use of chopping block maximum, its height is about 300mm, and its use height that can make common last anvil block add upper anvil has dropped to 300mm from 1200mm quickly like this.Like this, only this item just can make full use of 3150T hydraulic press effective travel 900mm.
As shown in Figure 1, upward anvil block of the present invention bottom is a dovetail groove, and described upper anvil top is a dovetail, and the upper anvil dovetail is installed in the anvil block dovetail groove.Last anvil block bottom adopts oat tail groove structure not only can reduce design height, and dismounting is very convenient, greatly reduces the dismounting time, thereby has improved production efficiency.
The large-scale wind electricity main-axis forging finish jumping-up, chamfered edge, pressure from all directions, round as a ball, carve forging process such as step after, enter end large-flange tyre die and make operation, before this operation, large-scale wind electricity main-axis forging heat tracing in heating furnace, utilize during this period of time, large-scale wind electricity main-axis end large-flange tyre die is made a complete set of frock lift.
1. 3150T hydraulic press travelling table is left under its moving Beam.
2. turntable integral body, comprise that rotating circular disk, rolling slideway and turntable base lift on the 3150T hydraulic press travelling table, rely on its table top groove to install.
3. packing ring is pressed the large-scale wind electricity main-axis length requirement, a part is lifted on the rotary table, the most next being placed in the middle of three steady pins, and packing ring is formed one by ending button.
4. the large-scale wind electricity main-axis end large-flange loose tool is lifted on the washer combinations, fetal membrane also is fixed into one by ending button with washer combinations.
5. determine the lifting of upper anvil according to large-scale wind electricity main-axis length, if 3150T hydraulic press stroke can meet the demands, then upper anvil and last anvil block are lifted with mount pin, and it is urgent with fixed wedge, do not satisfy requirement as 3150T hydraulic press effective travel, then last anvil block and upper anvil are unloaded down, strengthened the motor-driven Beam effective travel of 3150T oil pressure, make requirement to satisfy large-scale wind electricity main-axis end large-flange tyre die.
6. after large-scale wind electricity main-axis end large-flange loose tool frock all installs, the large-scale wind electricity main-axis forging that heats is hung out from heating furnace.
7. the large-scale wind electricity main-axis forging is vertically holded up.
8. with suspender the large-scale wind electricity main-axis forging of vertically holding up being hung in large-scale wind electricity main-axis end large-flange tyre die makes in the frock.
9. starting 3150T hydraulic press travelling table reaches under its moving Beam.
10. start the motor-driven Beam of 3150T oil pressure large-scale wind electricity main-axis end large-flange is carried out the jumping-up forging.
11. the needs rotation rotating circular disk according to upsetting forges makes the large-scale wind electricity main-axis forging rotate together with a whole set of frock, finally finishes large-scale wind electricity main-axis end large-flange upsetting forging process, makes big flange be full of the loose tool die cavity.
12. start 3150T hydraulic press travelling table, make under its driven Beam and leave.
13. loose tool is sling together with the wind power principal axis forging with suspender.
14. the demoulding from loose tool of wind power principal axis forging is set level, is entered down the step operation then.
The present invention reduces the allowance of wind electricity main-axis end large-flange because wind electricity main-axis end large-flange is to forge in loose tool, and size is accurate, and shape is regular, than free compression forge obviously good.Thereby reduce wind power principal axis forge weight 6～7%, the wind electricity main-axis end large-flange dimensional accuracy can improve 13～20%.Can reduce production costs like this, improve machined efficient, thereby increase economic efficiency.
The present invention has adopted large-scale wind electricity main-axis end large-flange tyre die to make frock, guaranteed the requirement of large-scale wind electricity main-axis end large-flange tyre die fabrication technique, made common forging industry think that large-scale wind electricity main-axis end large-flange is difficult to forge become and be easy to and the production method of shape essence, size standard.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a large-scale wind electricity main-axis end large-flange tyre die is made frock, comprise hydraulic press and wind power principal axis forging, described hydraulic press comprises hydraulic press travelling table and the motor-driven Beam of oil pressure, it is characterized in that: comprise turntable, described turntable comprises the turntable base, described turntable base is installed on the hydraulic press travelling table, by slideway rotating circular disk is installed on the described turntable base, one group of gasket assembly is installed on the described rotating circular disk, wind electricity main-axis end large-flange is installed on the described gasket assembly forges loose tool; Described wind power principal axis forging is placed in the loose tool; The motor-driven Beam of described oil pressure bottom is equipped with moving Beam connecting plate, and moving Beam connecting plate bottom is equipped with anvil block, and the described anvil block bottom of going up is equipped with upper anvil;
Described turntable is hollow turntable, and the center of turntable is hollow, and described turntable is made of upper and lower two parts, and the bottom is hollow turntable base, and top is hollow turntable disk, is provided with a locating ring between described base and the disk; Be provided with ball between base and the disk, be provided with the sliding way that is installed in the disk on the ball, be provided with glide path under the ball, base is provided with a spring mounting groove, in the described spring mounting groove spring is installed, described spring top is connected with glide path, and the spring bottom is placed in the pad in the spring groove, and a spring backstay is installed in the described spring.
2. large-scale wind electricity main-axis end large-flange tyre die as claimed in claim 1 is made frock, it is characterized in that: described gasket assembly is made of with, highly complete identical packing ring external diameter homogeneous phase in a group, and described packing ring is installed by ending the button combination.
3. large-scale wind electricity main-axis end large-flange tyre die as claimed in claim 2 is made frock, it is characterized in that: it is the fluted body of an annular that described wind electricity main-axis end large-flange forges loose tool, annular groove chamber in the middle of the loose tool is the loose tool die cavity, the centre of loose tool die cavity is provided with a loose tool and leaks shaft through-hole, and the bottom of described loose tool die cavity periphery is provided with a loose tool die cavity preformed groove.
4. large-scale wind electricity main-axis end large-flange tyre die as claimed in claim 3 is made frock, it is characterized in that: described moving Beam connecting plate is connected by the motor-driven Beam of screw and oil pressure, the connecting plate two ends are respectively arranged with a "T"-shaped groove, described "T"-shaped groove is the mounting groove of last anvil block mount pin, the described anvil block of going up is connected with connecting plate by mount pin, and mount pin is provided with the fixed wedge hole.
5. large-scale wind electricity main-axis end large-flange tyre die as claimed in claim 4 is made frock, it is characterized in that: described upward anvil block bottom is a dovetail groove, and described upper anvil top is a dovetail, and the upper anvil dovetail is installed in the anvil block dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008101805430A CN101456057B (en) | 2008-12-01 | 2008-12-01 | Large-scale wind electricity main-axis end large-flange tyre die forging tool and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101805430A CN101456057B (en) | 2008-12-01 | 2008-12-01 | Large-scale wind electricity main-axis end large-flange tyre die forging tool and method |
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| CN101456057A CN101456057A (en) | 2009-06-17 |
| CN101456057B true CN101456057B (en) | 2010-09-29 |
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2008
- 2008-12-01 CN CN2008101805430A patent/CN101456057B/en not_active Expired - Fee Related
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| CN101456057A (en) | 2009-06-17 |
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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: 214400 No. 458, south section, Century Avenue, Zhouzhuang Town, Jiangsu, Jiangyin Patentee after: JIANGYIN LEGAO ENERGY EQUIPMENT CO., LTD. Address before: 214423 No. 458 South Avenue, Zhouzhuang Town, Jiangsu, Jiangyin Patentee before: Jiangyin Fengdian Flange Manufacture Co., Ltd. |
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