CN202343760U - High-pressure elbow forming die - Google Patents
High-pressure elbow forming die Download PDFInfo
- Publication number
- CN202343760U CN202343760U CN2011205152178U CN201120515217U CN202343760U CN 202343760 U CN202343760 U CN 202343760U CN 2011205152178 U CN2011205152178 U CN 2011205152178U CN 201120515217 U CN201120515217 U CN 201120515217U CN 202343760 U CN202343760 U CN 202343760U
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- Prior art keywords
- prebuckling
- moulding
- mould
- die cavity
- die
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- 238000005452 bending Methods 0.000 claims abstract description 18
- 238000000465 moulding Methods 0.000 claims description 48
- 230000000295 complement effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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Abstract
The utility model discloses a high-pressure elbow forming die, which comprises a pre-bending die and a forming die. The high-pressure elbow forming die is characterized in that: the pre-bending die consists of a pre-bending upper die (1) and a pre-bending lower die (2), the pre-bending upper die (1) consists of a pre-bending upper pressure plate (101) and a pre-bending upper die body (102), the pre-bending upper die body (102) is provided with a pre-bending upper female die groove (103), the pre-bending lower die (2) consists of a pre-bending lower die body (201) and a pre-bending lower bottom plate (202), and the pre-bending lower die body (201) is provided with a pre-bending lower female die groove (203); and the forming die consists of a forming upper die (3) and a forming lower die (4), the forming upper die (3) consists of a forming upper pressure plate (301) and a forming upper die body (302), the forming upper die body (302) is provided with a forming upper female die groove (303), the forming lower die (4) consists of a forming lower die body (401) and a forming lower plate (402), and the forming lower die body (401) is provided with a forming lower female die groove (403).
Description
Technical field
The utility model relates to a kind of high-pressure metal bend forming mould; Especially a kind of wall thickness is 20～80 millimeters a big wall thickness high-pressure metal bend forming mould, specifically a kind of modified high pressure elbow mould of outer arc wall thickness reduction when reducing bend forming.
Background technology
At present, the big wall thickness high-pressure metal elbow that uses in the industry, the majority making that applies the coercive method; Each elbow is by the compression moulding of steel pipe process mould; Generally about 20%, this bigger wall thickness reduction not only influences the service life of elbow to the outer arc wall thickness reduction during traditional moulds moulding, and has increased the manufacturing cost of elbow; Therefore, design a kind of new can reduce bend forming the time mould of outer arc wall thickness reduction be the task of top priority.
Summary of the invention
The purpose of the utility model is the bigger problem of outer arc wall thickness reduction during to existing big wall thickness high-pressure metal elbow compression moulding, designs a kind of modified high pressure elbow mould of outer arc wall thickness reduction can reduce bend forming the time.
The technical scheme of the utility model is:
A kind of high pressure elbow mould; Comprise prebuckling mould and mould; It is characterized in that described prebuckling mould is made up of prebuckling patrix 1 and prebuckling counterdie 2; Prebuckling patrix 1 is made up of prebuckling top board 101 and prebuckling upper die body 102; Described prebuckling upper die body 102 is provided with the cross section and is the ellipse arc prebuckling fovea superior die cavity 103 that Open Side Down, and described prebuckling counterdie 2 is made up of prebuckling lower mold body 201 and prebuckling lower shoe 202, and described prebuckling lower mold body 202 is provided with the recessed die cavity 203 of prebuckling that opening that the cross section that is complementary with described prebuckling fovea superior die cavity 103 also is ellipse arc makes progress; Mould is made up of moulding patrix 3 and moulding counterdie 4; Moulding patrix 3 is made up of moulding top board 301 and moulding upper die body 302; Described moulding upper die body 302 is provided with the moulding fovea superior die cavity 303 that the cross section that Open Side Down is circular arc; Described moulding counterdie 4 is made up of moulding lower mold body 401 and moulding lower plate 402, on described moulding lower mold body, is provided with that opening makes progress and also is the recessed die cavity 403 of moulding of circular arc with the cross section that described moulding fovea superior die cavity is complementary.
The prebuckling fovea superior die cavity 103 of described prebuckling mould is 5 times of diameters of treating the swan-neck road with the bending radius of the line that the central point of the ellipse of recessed die cavity 203 compositions of prebuckling is formed; The moulding fovea superior die cavity 303 of mould is 1.5 times of diameters of treating the swan-neck road with the bending radius of the line that the center of circle of the circle of recessed die cavity 403 compositions of moulding is formed.
The beneficial effect of the utility model:
The utility model is through twice processing and forming of prebuckling mould and mould, and the outer arc wall thickness reduction is decreased to about 8% in the time of can be effectively with the high pressure elbow moulding, helps prolonging the service life of elbow, has reduced the manufacturing cost of elbow simultaneously.
Description of drawings
Fig. 1 is the structural representation of the utility model prebuckling mould.
Fig. 2 is the forming die structure sketch map of the utility model.
Fig. 3 is the prebuckling mould user mode sketch map of the utility model.
Fig. 4 is the mould user mode sketch map of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Shown in Fig. 1-2.
A kind of high pressure elbow mould; Comprise prebuckling mould (like Fig. 1) and mould (like Fig. 2); Described prebuckling mould is made up of prebuckling patrix 1 and prebuckling counterdie 2; Prebuckling patrix 1 is made up of prebuckling top board 101 and prebuckling upper die body 102; Described prebuckling upper die body 102 is provided with the cross section and is the ellipse arc prebuckling fovea superior die cavity 103 that Open Side Down, and like Fig. 1 the first half, described prebuckling counterdie 2 is made up of prebuckling lower mold body 201 and prebuckling lower shoe 202; Described prebuckling lower mold body 202 is provided with the recessed die cavity 203 of prebuckling that opening that the cross section that is complementary with described prebuckling fovea superior die cavity 103 also is ellipse arc makes progress, like Fig. 1 the latter half; Mould is made up of moulding patrix 3 and moulding counterdie 4; Moulding patrix 3 is made up of moulding top board 301 and moulding upper die body 302; Described moulding upper die body 302 is provided with the moulding fovea superior die cavity 303 that the cross section that Open Side Down is circular arc; Shown in Fig. 2 the first half; Described moulding counterdie 4 is made up of moulding lower mold body 401 and moulding lower plate 402, on described moulding lower mold body 401, is provided with that opening makes progress and also is the recessed die cavity 403 of moulding of circular arc with the cross section that described moulding fovea superior die cavity is complementary, like Fig. 2 the latter half.
The prebuckling fovea superior die cavity 103 of prebuckling mould is 5 times of diameters of treating the swan-neck road with the radius of curvature R 1 of the line that the central point of the ellipse of recessed die cavity 203 compositions of prebuckling is formed, and is as shown in Figure 3; The radius of curvature R 2 of the moulding fovea superior die cavity 303 of mould and the line of the center of circle composition of the circle of recessed die cavity 403 compositions of moulding is 1.5 times the diameter of treating the swan-neck road, and is as shown in Figure 4.Utilizing the mould of the utility model can suppress wall thickness is 20～80 millimeters steel pipe.
During moulding, be that 20～80 millimeters steel pipe places prebuckling lower mould 2, start patrix 1 pressed then and be state shown in Figure 3 that can be pressed into radius of curvature R 1 this moment with blank is the elbow of 5 times of blank calibers with the following thickness of good blank; The cross section ovalize semi-finished product of again pre-embossed being crossed place on the mould counterdie 4; Start patrix 3 pressed then, semi-finished product are pressed into state shown in Figure 4, can obtain radius of curvature R 2 is the finished product of 1.5 times of blank diameters; At this moment, the cross section of presswork is circular.
The utility model does not relate to all identical with the prior art prior art that maybe can adopt of part to be realized.
Claims (2)
1. a high pressure elbow mould comprises prebuckling mould and mould, it is characterized in that described prebuckling mould is made up of prebuckling patrix (1) and prebuckling counterdie (2); Prebuckling patrix (1) is made up of prebuckling top board (101) and prebuckling upper die body (102); Described prebuckling upper die body (102) is provided with the cross section and is the ellipse arc prebuckling fovea superior die cavity (103) that Open Side Down; Described prebuckling counterdie (2) is made up of prebuckling lower mold body (201) and prebuckling lower shoe (202), and described prebuckling lower mold body (202) is provided with the recessed die cavity of prebuckling (203) that opening that the cross section that is complementary with described prebuckling fovea superior die cavity (103) also is ellipse arc makes progress; Described mould is made up of moulding patrix (3) and moulding counterdie (4); Moulding patrix (3) is made up of moulding top board (301) and moulding upper die body (302); Described moulding upper die body (302) is provided with the moulding fovea superior die cavity (303) that the cross section that Open Side Down is circular arc; Described moulding counterdie (4) is made up of moulding lower mold body (401) and moulding lower plate (402), on described moulding lower mold body (401), is provided with that opening makes progress and also is the recessed die cavity of moulding (403) of circular arc with the cross section that described moulding fovea superior die cavity (303) is complementary.
2. high pressure elbow mould according to claim 1 is characterized in that the bending radius of the line that the central point of the ellipse that prebuckling fovea superior die cavity (103) and the recessed die cavity of prebuckling (203) of described prebuckling mould are formed is formed is 5 times of diameters of treating the swan-neck road; The bending radius of the line that the center of circle of the circle that the moulding fovea superior die cavity (303) of mould and the recessed die cavity of moulding (403) are formed is formed is 1.5 times of diameters of treating the swan-neck road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205152178U CN202343760U (en) | 2011-12-12 | 2011-12-12 | High-pressure elbow forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205152178U CN202343760U (en) | 2011-12-12 | 2011-12-12 | High-pressure elbow forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202343760U true CN202343760U (en) | 2012-07-25 |
Family
ID=46532787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205152178U Expired - Lifetime CN202343760U (en) | 2011-12-12 | 2011-12-12 | High-pressure elbow forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202343760U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974667A (en) * | 2012-10-16 | 2013-03-20 | 江苏华阳金属管件有限公司 | Elbow rough machining device |
| CN103394547A (en) * | 2013-07-30 | 2013-11-20 | 西安优耐特容器制造有限公司 | Elbow forming method |
| CN107081383A (en) * | 2017-06-18 | 2017-08-22 | 柴德维 | A kind of workpiece punch forming device |
| CN107138568A (en) * | 2017-06-10 | 2017-09-08 | 宁波鸿达电机模具有限公司 | Steel pipe bending method and its fixture |
| CN108714649A (en) * | 2018-05-08 | 2018-10-30 | 江阴市天柠管道有限公司 | A kind of molding die and forming method of 180 ° of bend pipes |
| CN111511529A (en) * | 2018-03-01 | 2020-08-07 | 三樱工业株式会社 | Bending forming die |
| CN112705629A (en) * | 2021-01-11 | 2021-04-27 | 山东宏丰海洋石油装备有限公司 | Movable elbow blank bending die |
-
2011
- 2011-12-12 CN CN2011205152178U patent/CN202343760U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974667A (en) * | 2012-10-16 | 2013-03-20 | 江苏华阳金属管件有限公司 | Elbow rough machining device |
| CN103394547A (en) * | 2013-07-30 | 2013-11-20 | 西安优耐特容器制造有限公司 | Elbow forming method |
| CN107138568A (en) * | 2017-06-10 | 2017-09-08 | 宁波鸿达电机模具有限公司 | Steel pipe bending method and its fixture |
| CN107081383A (en) * | 2017-06-18 | 2017-08-22 | 柴德维 | A kind of workpiece punch forming device |
| CN111511529A (en) * | 2018-03-01 | 2020-08-07 | 三樱工业株式会社 | Bending forming die |
| CN108714649A (en) * | 2018-05-08 | 2018-10-30 | 江阴市天柠管道有限公司 | A kind of molding die and forming method of 180 ° of bend pipes |
| CN112705629A (en) * | 2021-01-11 | 2021-04-27 | 山东宏丰海洋石油装备有限公司 | Movable elbow blank bending die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU NEW HENGJI SPECIAL EQUIPMENT CO., LTD. Free format text: FORMER NAME: JIANGSU NEW HENGJI HEAVY INDUSTRY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 210028 No. 8, Maigaoqiao Pioneer Park, Qixia District, Jiangsu, Nanjing Patentee after: Jiangsu New Hengji Special Equipment Co., Ltd. Address before: 210028 No. 8, Maigaoqiao Pioneer Park, Qixia District, Jiangsu, Nanjing Patentee before: Jiangsu Xinhengji Heavy Industry Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |