CN115945621A - Die forging forming die for aluminum alloy petroleum pipeline valve body and forming method thereof - Google Patents
Die forging forming die for aluminum alloy petroleum pipeline valve body and forming method thereof Download PDFInfo
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- CN115945621A CN115945621A CN202211682136.6A CN202211682136A CN115945621A CN 115945621 A CN115945621 A CN 115945621A CN 202211682136 A CN202211682136 A CN 202211682136A CN 115945621 A CN115945621 A CN 115945621A
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- 238000005242 forging Methods 0.000 title claims abstract description 54
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 45
- 239000003208 petroleum Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims abstract description 5
- 230000007704 transition Effects 0.000 claims description 14
- 238000007723 die pressing method Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000000465 moulding Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000007123 defense Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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Abstract
The invention discloses a die forging forming die for an aluminum alloy petroleum pipeline valve body and a forming method thereof, wherein the die forging forming die comprises the following steps: s1: heating, namely heating the aluminum alloy blank to 480 ℃ and then preserving heat, wherein the heat preservation coefficient is 1.5; s2: placing the aluminum alloy blank after heat preservation in a upsetting cavity in a multi-station die, and performing die closing and upsetting by adopting a die forging press; s3: placing the aluminum alloy blank subjected to die assembly and upsetting in a flat pressing cavity in a multi-station die, and performing die assembly and flattening by using a die forging press; s3: and (3) placing the aluminum alloy blank subjected to die closing and flattening in a die forging cavity in a multi-station die, and performing die closing and forging forming by adopting a die forging press. The invention utilizes the multi-station die to complete the production of the pipeline valve body by one fire.
Description
Technical Field
The invention belongs to the technical field of production of complex aluminum alloy die forgings, and particularly relates to a die for die forging forming of an aluminum alloy petroleum pipeline valve body and a forming method thereof.
Background
With the rapid development of aerospace industry, modern national defense industry and transportation industry at home and abroad, the demand for aerospace vehicle accessories is more and more vigorous. Along with the development of the die forging technology, the aluminum alloy die forging is widely applied to the field of aerospace accessories.
The existing aluminum alloy valve body has small allowance and complex shape, so the processing requirement on the die forging process is very high. The traditional production method generally adopts the traditional free forging blank and then die forging production. The blanking size is large in the production process, the number of free forging fire is large, and the polishing and pickling processes are needed to be added after blank making, so that the material utilization rate is low, the production cost is overhigh, and the production efficiency is low. Therefore, how to realize the production of the complex aluminum alloy die forging with higher efficiency and lower cost is a problem which needs to be solved urgently in the industry.
Disclosure of Invention
Aiming at the problems in the prior art, the invention discloses a die forging forming die for an aluminum alloy petroleum pipeline valve body and a forming method thereof.
The technical purpose of the invention is realized by the following technical scheme:
a die forging forming method for an aluminum alloy petroleum pipeline valve body comprises the following specific forming methods:
s1: heating, namely heating the aluminum alloy blank to 480 ℃ and then preserving heat, wherein the heat preservation coefficient is 1.5min/mm;
s2: placing the heat-insulated aluminum alloy blank in a upsetting cavity in a multi-station die, and performing die closing upsetting by using a die forging press;
s3: placing the aluminum alloy blank subjected to die closing and upsetting in a flat pressing cavity in a multi-station die, and performing die closing and flattening by adopting a die forging press;
s4: and (3) placing the aluminum alloy blank after die closing and flattening in a die forging cavity in a multi-station die, and performing die closing and forging forming by adopting a die forging press.
The utility model provides a be used for fashioned mould of aluminum alloy petroleum pipeline valve body die forging, includes the multistation mould, the multistation mould includes mould and bed die, it forms mound die cavity, flat pressure die cavity and the mould pressing die cavity of arranging in proper order to go up mould and bed die and mutually support.
Preferably, the upsetting cavity is a multi-section cylindrical cavity, and two adjacent sections of cylindrical cavities are connected through a transition step.
Preferably, the upsetting mold cavity is a two-section type cylindrical mold cavity and comprises a first section of cylindrical mold cavity and a second section of cylindrical mold cavity, the first section of cylindrical mold cavity is arranged in the upper mold, the second section of cylindrical mold cavity is arranged in the lower mold, and a transition table stage I with the first section of cylindrical mold cavity is arranged at the top of the second section of cylindrical mold cavity.
Preferably, the diameter of the first section of cylindrical cavity is larger than that of the second section of cylindrical cavity.
Preferably, in the S1, the height-diameter ratio of the aluminum alloy blank is 3 to 7.
Preferably, the flat pressing cavity is a multi-section rectangular cavity, and two adjacent sections of rectangular cavities are connected through a transition step.
Preferably, the flat pressing cavity is a two-section rectangular cavity and comprises a first section rectangular cavity and a second section rectangular cavity, the first section rectangular cavity and the second section rectangular cavity are symmetrically arranged in the upper die and the lower die, and a transition table stage II is arranged between the second section rectangular cavity and the first section rectangular cavity.
Preferably, the thickness of the first section of rectangular cavity is larger than that of the second section of rectangular cavity.
Preferably, the molding cavities comprise an upper molding cavity and a lower molding cavity, and are respectively positioned in the upper mold and the lower mold.
Has the advantages that: the invention discloses a die forging forming die for an aluminum alloy petroleum pipeline valve body and a forming method thereof, and the die forging forming die has the following advantages:
(1) By adopting the multi-section type die cavity structure, the blank can be divided in advance, and the uniform forming of the die forging piece is favorably realized.
(2) According to the invention, the die assembly upsetting is carried out by utilizing the upsetting cavity, so that the blank upsetting with a large height-diameter ratio can be realized, and compared with the traditional blank upsetting with a small height-diameter ratio (less than or equal to 3), the method is favorable for improving the upsetting quality, reducing the material consumption, reducing the fire frequency and improving the upsetting quality.
(3) The invention utilizes the multi-station die and simultaneously carries out double-station die forging, thereby not only greatly improving the production efficiency and reducing the energy consumption, but also finishing the production of die forgings by only one fire, thereby improving the product quality.
Drawings
FIG. 1 is a perspective view of a multi-station die of the present invention;
FIG. 2 is a top view of the lower mold of the present invention;
FIG. 3 is a perspective view of the lower die of the present invention;
FIG. 4 is a bottom view of the upper mold of the present invention;
fig. 5 is a perspective view of the lower mold of the present invention.
In the figure: the device comprises an upper die 1, a lower die 2, a heading die cavity 3, a first section cylindrical die cavity 3-1, a second section cylindrical die cavity 3-2, a transition table stage I3-3, a flat pressing die cavity 4, a first section rectangular die cavity 4-1, a second section rectangular die cavity 4-2, a transition table stage II4-3, a die pressing die cavity 5, an upper die pressing die cavity 5-1 and a lower die pressing die cavity 5-2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A die forging forming method for an aluminum alloy petroleum pipeline valve body is characterized in that the aluminum alloy valve body is a certain petroleum pipeline valve body, the weight of the aluminum alloy valve body is 10kg, and the specific forming method is as follows:
s1: heating, namely heating the aluminum alloy blank (phi 90' 570 mm) to 480 ℃ and then preserving heat, wherein the heat preservation coefficient is 1.5min/mm;
s2: placing the heat-insulated aluminum alloy blank in a upsetting cavity in a multi-station die, and performing die closing and upsetting by adopting an 80MN die forging press;
s3: placing the aluminum alloy blank subjected to die closing and upsetting in a flat pressing cavity in a multi-station die, and performing die closing and flattening by adopting an 80MN die forging press;
s4: and (3) placing the aluminum alloy blank after die closing and flattening in a die forging cavity in a multi-station die, and performing die closing and forging forming by adopting an 80MN die forging press.
In this embodiment, adopt 80MN die forging press to utilize the multistation mould to carry out duplex position mould pressing, a station carries out the blank mould, and another station carries out the die forging shaping simultaneously, has improved shaping efficiency greatly, and has realized the one-shot forming.
In this embodiment, the multi-station die comprises an upper die 1 and a lower die 2, and the upper die 1 and the lower die 2 are mutually matched to form a heading die cavity 3, a flat pressing die cavity 4 and a molding die cavity 5 which are sequentially arranged.
The upsetting die cavity 3 is a two-section type cylindrical die cavity and comprises a first section cylindrical die cavity 3-1 and a second section cylindrical die cavity 3-2, the first section cylindrical die cavity 3-1 is arranged in the upper die 1, the second section cylindrical die cavity 3-2 is arranged in the lower die 2, and a transition table stage I3-3 of the first section cylindrical die cavity is arranged at the top of the second section cylindrical die cavity 3-2. In this embodiment, the diameter of the first section cylindrical cavity 3-1 is larger than the diameter of the second section cylindrical cavity 3-2, and the height-diameter ratio of the upsetting cavity 3 is 7.
The flat pressing cavity 4 is a two-section rectangular cavity and comprises a first section rectangular cavity 4-1 and a second section rectangular cavity 4-2, the first section rectangular cavity 4-1 and the second section rectangular cavity 4-2 are symmetrically arranged in the upper die 1 and the lower die 2, and a transition table stage II4-3 is arranged between the second section rectangular cavity 4-2 and the first section rectangular cavity 4-1. The thickness of the first section of rectangular cavity 4-1 is larger than that of the second section of rectangular cavity 4-2.
The mould pressing cavity 5 comprises an upper mould pressing cavity 5-1 and a lower mould pressing cavity 5-2 which are respectively positioned in the upper mould 1 and the lower mould 2. The shape of the die pressing cavity 5 is designed according to the structure of the aluminum alloy valve body product.
According to the invention, the upsetting cavity can be divided into the multi-section cylindrical cavities according to actual forming requirements, and the adjacent two sections of cylindrical cavities are connected through the transition step I, so that the aluminum alloy blank can be purposefully distributed, and the processing uniformity of the blank can be improved.
In the invention, the flat compression type cavity can be a multi-section rectangular cavity, and two adjacent sections of rectangular cavities are connected through a transition step II. The segments of the flat compression cavity can be designed according to the upsetting cavity.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A die forging forming method for an aluminum alloy petroleum pipeline valve body is characterized by comprising the following specific forming methods:
s1: heating, namely heating the aluminum alloy blank to 480 ℃ and then preserving heat, wherein the heat preservation coefficient is 1.5min/mm;
s2: placing the heat-insulated aluminum alloy blank in a upsetting cavity in a multi-station die, and performing die closing upsetting by using a die forging press;
s3: placing the aluminum alloy blank subjected to die closing and upsetting in a flat pressing cavity in a multi-station die, and performing die closing and flattening by adopting a die forging press;
s4: and (3) placing the aluminum alloy blank after die closing and flattening in a die forging cavity in a multi-station die, and performing die closing and forging forming by adopting a die forging press.
2. A die for die forging forming of an aluminum alloy petroleum pipeline valve body comprises the multi-station die as claimed in claim 1, wherein the multi-station die comprises an upper die and a lower die, and the upper die and the lower die are matched with each other to form a upsetting die cavity, a flat pressing die cavity and a die pressing die cavity which are sequentially arranged.
3. The die for die forging of the aluminum alloy petroleum pipeline valve body according to claim 2, wherein the upsetting cavity is a multi-section cylindrical cavity, and two adjacent sections of cylindrical cavities are connected through a transition step.
4. The die for die forging forming of the aluminum alloy petroleum pipeline valve body according to claim 3, wherein the upsetting cavity is a two-section cylindrical cavity comprising a first section cylindrical cavity and a second section cylindrical cavity, the first section cylindrical cavity is arranged in the upper die, the second section cylindrical cavity is arranged in the lower die, and a transition table stage I with the first section cylindrical cavity is arranged at the top of the second section cylindrical cavity.
5. The die for die forging of the aluminum alloy petroleum pipeline valve body as claimed in claim 3, wherein the diameter of the first section of cylindrical cavity is larger than that of the second section of cylindrical cavity.
6. The die for die forging of the aluminum alloy petroleum pipeline valve body according to claim 3, wherein in the step S1, the height-diameter ratio of the aluminum alloy blank is 3-7.
7. The die for die forging of the aluminum alloy petroleum pipeline valve body according to claim 2, wherein the flat pressing cavity is a multi-section rectangular cavity, and two adjacent sections of the rectangular cavities are connected through a transition step.
8. The die for die forging forming of the aluminum alloy petroleum pipeline valve body according to claim 7, wherein the flat pressing cavity is a two-section rectangular cavity and comprises a first section rectangular cavity and a second section rectangular cavity, the first section rectangular cavity and the second section rectangular cavity are symmetrically arranged in the upper die and the lower die, and a transition table stage II is arranged between the second section rectangular cavity and the first section rectangular cavity.
9. The die for die forging of the aluminum alloy petroleum pipeline valve body according to claim 8, wherein the first section of rectangular cavity is thicker than the second section of rectangular cavity.
10. The die for die forging of the aluminum alloy petroleum pipeline valve body according to claim 2, wherein the die cavity comprises an upper die cavity and a lower die cavity, and the die cavities are respectively located in the upper die and the lower die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211682136.6A CN115945621A (en) | 2022-12-27 | 2022-12-27 | Die forging forming die for aluminum alloy petroleum pipeline valve body and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211682136.6A CN115945621A (en) | 2022-12-27 | 2022-12-27 | Die forging forming die for aluminum alloy petroleum pipeline valve body and forming method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115945621A true CN115945621A (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211682136.6A Pending CN115945621A (en) | 2022-12-27 | 2022-12-27 | Die forging forming die for aluminum alloy petroleum pipeline valve body and forming method thereof |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1981952A (en) * | 2006-05-22 | 2007-06-20 | 大连大洋阀门研究发展有限公司 | Integrated die forge forming method for flange valve |
| CN102873239A (en) * | 2012-09-28 | 2013-01-16 | 江苏隆盛钻采机械制造有限公司 | Full-closed multi-way integral die-forging forming process for large-size valve bodies |
| CN104439027A (en) * | 2014-11-05 | 2015-03-25 | 许昌中兴锻造有限公司 | New forging process for yoke shaft of transmission shaft |
| CN105057557A (en) * | 2015-08-03 | 2015-11-18 | 重庆海獒精密锻造有限公司 | Forging molding technological method for multi-lug part |
| CN204934451U (en) * | 2015-08-21 | 2016-01-06 | 庆铃汽车（集团）有限公司 | Forging mold |
| CN105665609A (en) * | 2016-03-01 | 2016-06-15 | 苏州孚杰机械有限公司 | Forming technology of valve body |
| CN206952066U (en) * | 2016-12-28 | 2018-02-02 | 中国第二重型机械集团德阳万航模锻有限责任公司 | The base instrument of cross forging |
| CN108687291A (en) * | 2018-07-17 | 2018-10-23 | 江苏应流机械制造有限责任公司 | A kind of molding die for ball valve forging processing |
| CN110814248A (en) * | 2019-10-10 | 2020-02-21 | 中国第一汽车股份有限公司 | Flash-free hot die forging forming process for front shell forging of automobile differential |
| CN112974710A (en) * | 2021-03-18 | 2021-06-18 | 中国第一汽车股份有限公司 | Forging die for steering knuckle and forming process thereof |
-
2022
- 2022-12-27 CN CN202211682136.6A patent/CN115945621A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1981952A (en) * | 2006-05-22 | 2007-06-20 | 大连大洋阀门研究发展有限公司 | Integrated die forge forming method for flange valve |
| CN102873239A (en) * | 2012-09-28 | 2013-01-16 | 江苏隆盛钻采机械制造有限公司 | Full-closed multi-way integral die-forging forming process for large-size valve bodies |
| CN104439027A (en) * | 2014-11-05 | 2015-03-25 | 许昌中兴锻造有限公司 | New forging process for yoke shaft of transmission shaft |
| CN105057557A (en) * | 2015-08-03 | 2015-11-18 | 重庆海獒精密锻造有限公司 | Forging molding technological method for multi-lug part |
| CN204934451U (en) * | 2015-08-21 | 2016-01-06 | 庆铃汽车（集团）有限公司 | Forging mold |
| CN105665609A (en) * | 2016-03-01 | 2016-06-15 | 苏州孚杰机械有限公司 | Forming technology of valve body |
| CN206952066U (en) * | 2016-12-28 | 2018-02-02 | 中国第二重型机械集团德阳万航模锻有限责任公司 | The base instrument of cross forging |
| CN108687291A (en) * | 2018-07-17 | 2018-10-23 | 江苏应流机械制造有限责任公司 | A kind of molding die for ball valve forging processing |
| CN110814248A (en) * | 2019-10-10 | 2020-02-21 | 中国第一汽车股份有限公司 | Flash-free hot die forging forming process for front shell forging of automobile differential |
| CN112974710A (en) * | 2021-03-18 | 2021-06-18 | 中国第一汽车股份有限公司 | Forging die for steering knuckle and forming process thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张秀东 等: "《工程实训》", 30 June 2018, 天津科学技术出版社, pages: 56 * |
| 黄祥成等: "《钳工技师手册》", 31 October 1998, 机械工业出版社, pages: 350 * |
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