CN211191837U - Wind-powered electricity generation high wheel hub large gear forges mould - Google Patents
Wind-powered electricity generation high wheel hub large gear forges mould Download PDFInfo
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- CN211191837U CN211191837U CN201922059035.3U CN201922059035U CN211191837U CN 211191837 U CN211191837 U CN 211191837U CN 201922059035 U CN201922059035 U CN 201922059035U CN 211191837 U CN211191837 U CN 211191837U
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- 230000005611 electricity Effects 0.000 title claims abstract description 7
- 238000005242 forging Methods 0.000 claims abstract description 75
- 239000000463 material Substances 0.000 claims description 17
- 238000003825 pressing Methods 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 210000002219 extraembryonic membrane Anatomy 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a wind-powered electricity generation high wheel hub large gear forges mould, including setting up the last mould and the lower mould of setting at the lower bolster top in last bolster bottom, the die sleeve has been cup jointed in the lower mould outside, constitutes the forging die cavity between the corresponding surface about last mould and lower mould in the die sleeve, and its left side is provided with the upset cake cushion piece that the bottom was fixed on the die holder, and the fixed location fetal membrane that is provided with in upset cake cushion piece top, location fetal membrane top is rather than the fixed mould that is provided with in last die holder bottom that corresponds on the upset cake. The wind-power high-hub large gear forging die can realize integrated forging and pressing of the hub and the rim of the wind-power high-hub large gear forging, the precision of a forging product is high, the later-stage finish machining allowance is small, near net forming is achieved, the machining difficulty is reduced, the efficiency is increased, and the production cost is reduced.
Description
Technical Field
The utility model relates to a high wheel hub large gear of wind-powered electricity generation forges the field, especially relates to a high wheel hub large gear of wind-powered electricity generation forges mould.
Background
The wind driven generator is a device for converting wind energy into electric energy, and mainly comprises blades, a generator, mechanical parts and electrical parts, wherein the mechanical parts are key equipment of the wind driven generator, and the generator is driven by the transmission of a planetary gear and a high-speed shaft and a low-speed shaft.
At present, large-scale wind driven generators are widely used, and due to the fact that the size of the large-scale wind driven generators is large, the size of gears in a gear box inside the large-scale wind driven generators is also large, and the larger the size of the gears is, the larger the processing difficulty is.
In order to facilitate installation and ensure stable operation of the gear, the center of the gear in the wind driven generator is generally provided with a hub connected with a transmission shaft, and the height of the hub is higher than that of the rim of the gear; at present, the hub and the gear are independently and separately processed in the processing mode of the high-hub large gear in the wind driven generator, and the assembly is carried out in the later stage.
Disclosure of Invention
The utility model aims to solve the technical problem that a wind-powered electricity generation high wheel hub large gear forging die with wheel hub and rim integrated into one piece forging processing is provided.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a wind power high hub large gear forging die comprises a lower die holder and an upper die holder which are fixedly arranged on a hydraulic press, wherein a lower base plate is fixedly arranged at the center of the top of the lower die holder, an upper base plate is fixedly arranged at the center of the bottom of the upper die holder, an upper die is fixedly arranged at the center of the bottom of the upper base plate, a lower die is fixedly arranged at the center of the top of the lower base plate, the upper die and the lower die correspond to each other up and down, a die sleeve which is matched with the outer edge of the lower die is sleeved on the outer side of the lower die, the end part of the upper die can be in plug-in fit with the upper end of the die sleeve, and a forging die cavity which is; the center of the lower die is provided with a material returning hole which is communicated with the lower die seat and the lower backing plate up and down, and an integral top capable of vertically moving up and down is arranged in the material returning hole; the die holder is characterized in that a heading cake cushion block is fixedly arranged on the left side of the lower base plate on the lower die holder, a positioning tire mold is fixedly arranged on the heading cake cushion block, an inwards concave tire cavity is formed in the top of the positioning tire mold, and an upper heading cake die which is consistent with the outline of the positioning tire mold and corresponds to the outer outline of the positioning tire mold is fixedly arranged above the tire cavity and at the bottom of an upper die holder corresponding to the tire cavity.
Furthermore, the parts of the upper die and the lower die, which are used for forging the large-hub gear forging hub with the high hub, are provided with vent holes which are communicated up and down.
Furthermore, the top surface of the lower backing plate is provided with a lower limiting cavity matched with the lower dies and the lower end of the die sleeve in shape, and the bottom surface of the upper backing plate is provided with an upper limiting cavity matched with the upper end of the upper dies in shape.
Furthermore, the lower die, the die sleeve and the lower backing plate and the upper die and the upper backing plate are connected together through the hexagon socket head cap screws.
Furthermore, the upper port of the material returning hole is funnel-shaped, the head of the integral top is matched with the upper port of the material returning hole in structure, the top surface of the integral top is flush with the top surface of the material returning hole, and the distance h from the bottom to the bottom surface of the lower backing plate is 7 mm.
Further, after the upper die holder is forged downwards to a proper position, the distance L between the bottom surface of the upper die holder and the top surface of the lower die holder is 892mm, and the distance H between the upper backing plate and the die sleeve at the zero point is 142 mm.
Compared with the prior art, the utility model discloses an useful part lies in: the wind-power high-hub large gear forging die can realize integrated forging and pressing of the hub and the rim of the wind-power high-hub large gear forging, the precision of a forging product is high, the later-stage finish machining allowance is small, near net forming is achieved, the machining difficulty is reduced, the efficiency is increased, and the production cost is reduced.
Description of the drawings:
FIG. 1 is a schematic view of a top view structure of a wind power high hub large gear mold of the present invention;
FIG. 2 is a cross-sectional view of the structure A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of an end face of a large gear of a wind power high hub;
fig. 4 is a structural sectional view of B-B in fig. 3.
In the figure: 1. a lower die holder; 2. positioning a tire mold; 2-1, a fetal cavity; 3. upsetting a cake upper die; 4. an upper die holder; 5. an upper base plate; 5-1, upper limiting concave cavity; 6. an upper die; 6-1, exhaust holes; 7. a hexagon socket head cap screw; 8. a cake cushion block; 9. a lower die; 10. integral top; 11. a lower base plate; 11-1, lower limiting concave cavity; 12. die sleeve; 13. a material returning hole; 14. high wheel hub large gear forging.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The wind power high hub large gear forging die comprises a lower die holder 1 and an upper die holder 4 which are fixedly arranged on a hydraulic machine, a lower cushion plate 11 is fixedly arranged at the center of the top of the lower die holder 1, an upper cushion plate 5 is fixedly arranged at the center of the bottom of the upper die holder 4, an upper die 6 is fixedly arranged at the center of the bottom of the upper cushion plate 5, a lower die 9 is fixedly arranged at the center of the top of the lower cushion plate 11, the upper die 6 and the lower die 9 correspond to each other up and down, a die sleeve 12 matched with the outer edge of the lower die 9 is sleeved on the outer side of the lower die 9, the end part of the upper die 6 can be in inserting fit with the upper end of the die sleeve 12, a forging die cavity 13 which is consistent with the external structure shape of a high hub large gear forging 15 is formed between the upper die 6 and the lower die 9, the high hub large gear forging 15 is structurally shown in figures 3 and 4, a material returning hole 14 which is vertically communicated with the lower die holder 1 and the lower cushion plate 11 is arranged at the center of the upper die holder 1, an integral top surface of the lower die holder 1 and a die base 11, a die seat 4 is provided with a die seat 358, the forging die cavity, the forging die seat 4 is provided with a die seat, the forging die seat is provided with a die seat, the forging die cavity, the forging die seat is provided with a forging die seat, the forging die cavity, the forging die.
In order to facilitate the air in the forging die cavity 13 to be exhausted during forging and pressing, the parts of the upper die 6 and the lower die 9, which are used for forging the high-hub large gear forging 15, are provided with vent holes 6-1 which are communicated up and down.
In order to prevent the horizontal position deviation of the lower die 9, the die sleeve 12 and the upper die 16 caused by stress during forging and pressing, the top surface of the lower backing plate 11 is provided with a lower limiting concave cavity 11-1 matched with the shapes of the lower ends of the lower die 9 and the die sleeve 12, and the bottom surface of the upper backing plate 5 is provided with an upper limiting concave cavity 5-1 matched with the shape of the upper end of the upper die 6.
In order to facilitate the disassembly and replacement of the damaged lower die 9, the die sleeve 12 or the upper die 16, prolong the service life of the die and reduce the use cost, the lower die 9, the die sleeve 12 and the lower backing plate 11 and the upper die 6 and the upper backing plate 5 are connected together through the hexagon socket head cap screw 7.
In order not to influence the forging and pressing processing of the high-hub large-scale gear forging 15, the fact that the ejector head does not cause damage to the high-hub large-scale gear forging 15 due to the fact that the contact surface of the ejector head and the forging is too small when the material is returned is guaranteed, the upper end opening funnel shape of the material returning hole 14, the head of the whole ejector head 10 is matched with the upper end opening structure of the material returning hole 14, the top surface of the whole ejector head is flush with the top surface of the material returning hole 14, the distance h between the bottom of the whole ejector head and the bottom surface of the lower backing plate 11 is 7mm, and the whole ejector head 10 is integrally formed with an.
The machining method of the wind power high hub large gear comprises the following steps:
A) raw material inspection: the raw materials are rechecked to ensure that the materials meet the use requirements;
B) blanking: sawing and blanking are carried out on sawing equipment, namely, an original blank is sawn into a columnar steel blank which meets the blanking standard and has the diameter of 450mm and the length of 861mm by a high-speed band saw blade, and the defects of surface burrs, surface cracks and the like of the steel blank are removed;
C) preheating a mould: placing the wind power high hub large gear forging die into a heating furnace for preheating, and ensuring that the temperature of the wind power high hub large gear forging die is 200 ℃ and the preheating time is more than or equal to 6 hours;
D) heating the blank: putting the steel billet which is well arranged below the sawing machine into a heating furnace through a mechanical arm for heating, and finally, preserving heat for 2 hours at 1180 ℃, and taking out the steel billet through the mechanical arm after the steel billet is heated;
E) die forging: transferring a preheated wind power high hub large gear forging die from a heating furnace to a hydraulic press for installation, firstly putting the taken blank into a positioning tire die 2 and positioning the blank through a tire cavity 2-1, upsetting the blank to 500mm high through the control of the hydraulic press, blowing off oxide skin during upsetting to avoid generating oxide skin cushion pits, transferring the blank into a forging die cavity 13 after upsetting is finished and positioning the blank, simultaneously setting pressure by the hydraulic press, descending the press at full speed during idle stroke, keeping the pressing speed of 10-30mm/s after the blank is contacted, pressing the blank to 1-7mm of an under-pressure forging piece to ensure that the forging die cavity 13 is full of the forging die, discharging air in the forging die cavity 13 through an exhaust hole 6-1 during forging and pressing, finally forming a wind power high hub large gear forging piece 15, and then driving an upper padding plate 5 and an upper die 6 by an upper die holder 4, separating the forging piece from the top of the wind power high hub large gear forging piece 15, then ejecting the wind power high hub large gear forging piece 15 in the lower die 9 through the integral ejector head 10, and taking out the wind power high hub large gear forging piece 15 through a manipulator;
F) punching: the forged wind power high hub large gear forging 15 is transferred to a punching tool through a manipulator, a connecting skin in the middle of the wind power high hub large gear forging 15 is punched by the punching tool, so that the subsequent machining process is facilitated, the punching punch is designed to prevent the wind power high hub large gear forging 15 from clamping the punch, and the production efficiency can be improved;
G) and (4) checking: after the forging of the wind power high hub large gear forging 15 is finished, an inspector detects the hot wind power high hub large gear forging 15 by using calipers and a steel plate ruler, and the size of the wind power high hub large gear forging 15 is ensured to meet the requirements of drawings;
H) cooling after forging: and cooling the wind power high hub large gear forging 15 in an air cooling mode after forging.
The wind-power high-hub large gear forging die can realize integrated forging and pressing of the hub and the rim of the wind-power high-hub large gear forging, the precision of a forging product is high, the later-stage finish machining allowance is small, near net forming is achieved, the machining difficulty is reduced, the efficiency is increased, and the production cost is reduced.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a wind-powered electricity generation high wheel hub large gear forges mould, includes fixed die holder (1) and the upper die base (4) of setting on the hydraulic press, die holder (1) top center is fixed and is provided with lower bolster (11), and upper die base (4) bottom center is fixed and is provided with upper bolster (5), its characterized in that: an upper die (6) is fixedly arranged at the center of the bottom of the upper backing plate (5), a lower die (9) is fixedly arranged at the center of the top of the lower backing plate (11), the upper die (6) and the lower die (9) correspond to each other up and down, a die sleeve (12) matched with the outer edge of the lower die (9) is sleeved on the outer side of the lower die (9), the end part of the upper die (6) can be in plug fit with the upper end of the die sleeve (12), and a forging die cavity (13) with the shape consistent with the external structure of the high-hub large gear forging (15) is formed between the corresponding surfaces of the upper die (6) and the lower die (9); a material returning hole (14) which is vertically communicated with the lower die base (1) and the lower backing plate (11) is formed in the center of the lower die (9), and an integral top head (10) capable of vertically moving is arranged in the material returning hole (14); the die holder is characterized in that a heading cake cushion block (8) is fixedly arranged on the left side of a lower base plate (11) on the lower die holder (1), a positioning tire film (2) is fixedly arranged on the heading cake cushion block (8), the top of the positioning tire film (2) is provided with a tire cavity (2-1) of an inner concave, and an upper heading cake die (3) which is consistent with the outline of the positioning tire film (2) and corresponds up and down is fixedly arranged at the bottom of an upper die holder (4) corresponding to the tire cavity (2-1).
2. The wind power high hub large gear forging die according to claim 1, wherein the upper die (6) and the lower die (9) are provided with vent holes (6-1) which are communicated up and down at the positions for forging the hub of the high hub large gear forging (15).
3. The forging die for the large wind power high hub gear is characterized in that the top surface of the lower backing plate (11) is provided with a lower limiting concave cavity (11-1) matched with the shapes of the lower ends of the lower die (9) and the die sleeve (12), and the bottom surface of the upper backing plate (5) is provided with an upper limiting concave cavity (5-1) matched with the shape of the upper end of the upper die (6).
4. The forging die for the large wind power high-hub gear is characterized in that the lower die (9), the die sleeve (12) and the lower backing plate (11) and the upper die (6) and the upper backing plate (5) are connected together through the hexagon socket head cap screws (7).
5. The wind power high hub large gear forging die according to claim 1, wherein the upper port of the material returning hole (14) is funnel-shaped, the head of the integral top head (10) is matched with the upper port of the material returning hole (14) in structure, the top surface of the integral top head is flush with the top surface of the material returning hole (14), and the bottom of the integral top head is 7mm away from the bottom surface of the lower backing plate (11).
6. The forging die for the large wind power high hub gear according to claim 1, wherein the distance L between the bottom surface of the upper die holder (4) and the top surface of the lower die holder (1) after the upper die holder is forged downwards to a proper position is 892mm, and the distance H between the upper backing plate (5) and the die sleeve (12) at the zero point is 142 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922059035.3U CN211191837U (en) | 2019-11-26 | 2019-11-26 | Wind-powered electricity generation high wheel hub large gear forges mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922059035.3U CN211191837U (en) | 2019-11-26 | 2019-11-26 | Wind-powered electricity generation high wheel hub large gear forges mould |
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| Publication Number | Publication Date |
|---|---|
| CN211191837U true CN211191837U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922059035.3U Active CN211191837U (en) | 2019-11-26 | 2019-11-26 | Wind-powered electricity generation high wheel hub large gear forges mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860640A (en) * | 2019-11-26 | 2020-03-06 | 苏州昆仑重型装备制造有限公司 | A method for machining large-scale gears with high hub for wind power and its forging die |
-
2019
- 2019-11-26 CN CN201922059035.3U patent/CN211191837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860640A (en) * | 2019-11-26 | 2020-03-06 | 苏州昆仑重型装备制造有限公司 | A method for machining large-scale gears with high hub for wind power and its forging die |
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