CN112756538B - Near-net forming die and forming method for hinge beam forging of fine steel stone pressure equipment - Google Patents
Near-net forming die and forming method for hinge beam forging of fine steel stone pressure equipment Download PDFInfo
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- CN112756538B CN112756538B CN202110216885.9A CN202110216885A CN112756538B CN 112756538 B CN112756538 B CN 112756538B CN 202110216885 A CN202110216885 A CN 202110216885A CN 112756538 B CN112756538 B CN 112756538B
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- 238000005242 forging Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 239000004575 stone Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/025—Closed die forging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
A near-net forming die and a forming method for forging a hinge beam of a fine steel stone pressure device belong to the technical field of metal forging processing, and particularly relate to a near-net forming die and a forming method for forging a hinge beam of a fine steel stone pressure device. The invention provides a near-net forming die for forging a hinge beam of fine steel stone pressure equipment and a forming method. The invention discloses a near-net forming die for forging a hinge beam of fine steel stone pressure equipment, which comprises an upper die, a lower die and two horizontal dies, and is characterized in that: the center of the lower part of the upper die is a center positioning bulge, and an annular groove which is concave upwards is arranged outside the center positioning bulge; the lower die is a groove-shaped body with a U-shaped section, a round groove is arranged in the center of the bottom of the groove-shaped body, two sides of the bottom of the groove-shaped body are inclined planes, and the two inclined planes are arranged oppositely, so that a groove with a big upper part and a small lower part is formed in the bottom of the groove-shaped body.
Description
Technical Field
The invention belongs to the technical field of metal forging processing, and particularly relates to a near-net forming die for forging a hinge beam of a fine steel stone pressure device and a forming method.
Background
The hinge beam is a main part of the diamond press, has large stress, complex shape and high performance index requirement, and is forged and molded to form a complete fibrous structure state as much as possible.
Hinge Liang Duanjian has a width L of 1960mm and a thickness H of 900mm, and is large in size and weight (see fig. 11, 12), which, if free forging is used, results in an excessive margin; by adopting the traditional upper and lower die forging method, the required press is particularly large, at least more than 3 ten thousand tons, the tool is seriously damaged, the die consumption is large, and finally the forging allowance is still not reduced.
Disclosure of Invention
The invention provides a near-net forming die for forging a hinge beam of a fine steel stone pressure device and a forming method thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme that the near-net forming die for forging the hinge beam of the fine steel stone pressure equipment comprises an upper die, a lower die and two horizontal dies, and is characterized in that: the center of the lower part of the upper die is a center positioning bulge, and an annular groove which is concave upwards is arranged outside the center positioning bulge; the lower die is a groove-shaped body with a U-shaped section, a round groove is arranged in the center of the bottom of the groove-shaped body, two sides of the bottom of the groove-shaped body are inclined planes, and the two inclined planes are oppositely arranged, so that a groove with a big upper part and a small lower part is formed at the bottom of the groove-shaped body; the outer contour of the horizontal stamping die is matched with the groove body of the lower die, the center of the inner surface of the horizontal stamping die is provided with a forming groove, two sides of the forming groove are inclined forming inclined planes, and the outer sides of the two forming inclined planes are forming planes.
As a preferable mode of the invention, a mold locking mechanism is arranged between the upper mold and the lower mold.
The invention relates to a near-net forming method for forging a hinge beam of fine steel stone pressure equipment, which is characterized by comprising the following steps of: processing the whole blank into a cake shape, and processing a matching surface matched with the inclined surface in the lower die at the lower part of the blank; placing the rough machined blank into a lower die, and automatically completing the positioning of a workpiece under the cooperation of the matching surface and the inclined surface of the lower die; pressing down the upper die; the center of the blank is extruded by the center positioning bulge of the upper die, the upper part of the blank metal flows to the annular groove, and the lower part of the blank metal flows to the inclined surface and the circular groove at the bottom of the lower die; after the upper die is in place, finishing one-time stamping; locking the upper die and the lower die through a die locking mechanism, closing the two horizontal dies, and forming the opposite surfaces of the blank metal and the horizontal dies under the action of a forming groove, a forming inclined surface and a forming plane; and (3) superfluous blank metal flows to the inner side surface of the lower die, and under the action of the inner side surface of the lower die, the two sides are finally molded, and the secondary stamping is finished, so that the workpiece is obtained.
As a preferable mode of the invention, the lower surface of the blank and the bottom of the inclined surface are provided with forming spaces.
The invention has the beneficial effects that: according to the near-net forming die and the forming method for the hinge beam of the fine steel stone pressure equipment, disclosed by the invention, the blank can be formed into a complex shape by applying multiple forces, particularly the hinge beam is formed by multiple forces, the forging allowance is greatly reduced, and the production efficiency is higher than that of free forging and traditional die forging. The hinge Liang Duanjian is formed by the technology, the internal fiber structure state is more reasonable, the structure performance is better, and the service life of the press is prolonged.
Drawings
Fig. 1 is a schematic view of the structure of the present invention before one-time stamping.
Fig. 2 is a schematic view of the structure of the present invention after one stamping.
Fig. 3 is a schematic view of the structure of the present invention before secondary stamping.
Fig. 4 is a schematic view of the structure of the present invention after secondary stamping.
Fig. 5 is a schematic structural view of the upper die.
Fig. 6 is a cross-sectional view of fig. 5.
Fig. 7 is a schematic view of the structure of the lower die.
Fig. 8 is a cross-sectional view of fig. 7.
Fig. 9 is a schematic view of the structure of the horizontal die.
Fig. 10 is a top view of fig. 9.
Fig. 11 is a schematic structural view of a hinge beam of a fine steel stone pressure device.
Fig. 12 is a side semi-sectional view of fig. 11.
In the drawing, 1 is a lower die, 2 is a blank, 3 is a die locking mechanism, 4 is an upper die, 5 is a horizontal die, 11 is an inclined plane, 12 is a groove body, 13 is a circular groove, 41 is an annular groove, 42 is a center positioning bulge, 51 is a forming inclined plane, 52 is a forming groove, and 53 is a forming plane.
Detailed Description
The invention discloses a near-net forming die for forging a hinge beam of fine steel stone pressure equipment, which comprises an upper die 4, a lower die 1 and two horizontal dies 5, and is characterized in that: the center of the lower part of the upper die 4 is a center positioning bulge 42, and an upward concave annular groove 41 is arranged outside the center positioning bulge 42; the lower die 1 is a groove body 12 with a U-shaped section, a round groove 13 is arranged in the center of the bottom of the groove body 12, inclined surfaces 11 are arranged on two sides of the bottom of the groove body 12, and the two inclined surfaces 11 are arranged oppositely, so that a groove with a large upper part and a small lower part is formed at the bottom of the groove body 12; the outer contour of the horizontal die 5 is matched with the groove body 12 of the lower die 1, the center of the inner surface of the horizontal die 5 is provided with a forming groove 52, two sides of the forming groove 52 are provided with inclined forming inclined planes 51, and the outer sides of the two forming inclined planes 51 are provided with forming planes 53.
As a preferable mode of the present invention, a mold locking mechanism 3 is provided between the upper mold 4 and the lower mold 1.
The invention relates to a near-net forming method for forging a hinge beam of fine steel stone pressure equipment, which is characterized by comprising the following steps of: the blank 2 is integrally processed into a cake shape, and a matching surface matched with the inclined surface 11 in the lower die 1 is processed at the lower part of the blank 2; placing the rough machined blank 2 into a lower die 1, and automatically completing the positioning of a workpiece under the cooperation of the matching surface of the lower die 1 and the inclined surface 11; pressing down the upper die 4; the center of the blank 2 is extruded by a center positioning bulge 42 of the upper die 4, the upper metal part of the blank 2 flows to the annular groove 41, and the lower metal part of the blank 2 flows to the inclined surface 11 and the circular groove 13 at the bottom of the lower die 1; after the upper die 4 is in place, one-time stamping is completed; the upper die 4 and the lower die 1 are locked by a die locking mechanism 3, two horizontal dies 5 are clamped, and the surface of the blank 2, which is opposite to the horizontal dies 5, is molded under the action of a molding groove 52, a molding inclined surface 51 and a molding plane 53; and the redundant metal of the blank 2 flows to the inner side surface of the lower die 1, and finally, the two sides are molded under the action of the inner side surface of the lower die 1, and the secondary stamping is finished at the same time, so that the workpiece is obtained.
As a preferable mode of the present invention, a forming space is provided on the lower surface of the blank 2 and the bottom of the inclined surface 11.
Examples: the outer contour of the upper die 4 is a square with 1960 multiplied by 1960mm, and the distance from the lower surface of the central positioning bulge 42 of the upper die 4 to the highest point of the annular groove 41 is 300mm; the distance between the inner walls of the groove-shaped body 12 of the lower die 1 is 1965mm, the diameter of the circular groove 13 of the lower die 1 is 1060mm, the distance from the upper surface of the lower die 1 to the lower surface of the circular groove 13 is 1830mm, and the thickness of the blank 2 is 800mm and the diameter is 1960mm.
It should be understood that the foregoing detailed description of the present invention is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention may be modified or substituted for the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.
Claims (2)
1. The near-net forming method for the hinge beam of the fine steel stone pressure equipment is characterized by comprising the following steps of: including near-net forming die is forged to smart steel stone pressure equipment hinge roof beam, including last mould (4), lower mould (1) and two horizontal die (5), its characterized in that: the center of the lower part of the upper die (4) is a center positioning bulge (42), and an upward concave annular groove (41) is arranged outside the center positioning bulge (42); the lower die (1) is a groove body (12) with a U-shaped section, a round groove (13) is arranged in the center of the bottom of the groove body (12), inclined planes (11) are arranged on two sides of the bottom of the groove body (12), and the two inclined planes (11) are oppositely arranged, so that a groove with a large upper part and a small lower part is formed at the bottom of the groove body (12); the outer contour of the horizontal stamping die (5) is matched with the groove body (12) of the lower die (1), the center of the inner surface of the horizontal stamping die (5) is provided with a forming groove (52), two sides of the forming groove (52) are provided with inclined forming inclined planes (51), and the outer sides of the two forming inclined planes (51) are provided with forming planes (53); a mold locking mechanism (3) is arranged between the upper mold (4) and the lower mold (1);
The blank (2) is integrally processed into a round cake shape, and a matching surface matched with the inner inclined surface (11) of the lower die (1) is processed at the lower part of the blank (2); placing the rough machined blank (2) into a lower die (1), and automatically completing the positioning of a workpiece under the cooperation of a matching surface and an inclined surface (11) of the lower die (1); pressing down an upper die (4); the center of the blank (2) is extruded by a center positioning bulge (42) of the upper die (4), the upper part of the metal of the blank (2) flows to the annular groove (41), and the lower part of the metal of the blank (2) flows to an inclined surface (11) and a circular groove (13) at the bottom of the lower die (1); after the upper die (4) is in place, one-time stamping is completed; locking the upper die (4) and the lower die (1) through a die locking mechanism (3), clamping two horizontal stamping dies (5), and forming the surface of the blank (2) opposite to the horizontal stamping dies (5) under the action of a forming groove (52), a forming inclined surface (51) and a forming plane (53); and (3) superfluous metal of the blank (2) flows to the inner side surface of the lower die (1), and under the action of the inner side surface of the lower die (1), the two sides are finally molded, and the secondary stamping is finished at the same time, so that the workpiece is obtained.
2. The method for forging a near-net-shape of a hinge beam of a fine steel stone pressure device according to claim 1, wherein: the lower surface of the blank (2) and the bottom of the inclined surface (11) are provided with forming spaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110216885.9A CN112756538B (en) | 2021-02-26 | 2021-02-26 | Near-net forming die and forming method for hinge beam forging of fine steel stone pressure equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110216885.9A CN112756538B (en) | 2021-02-26 | 2021-02-26 | Near-net forming die and forming method for hinge beam forging of fine steel stone pressure equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112756538A CN112756538A (en) | 2021-05-07 |
| CN112756538B true CN112756538B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110216885.9A Active CN112756538B (en) | 2021-02-26 | 2021-02-26 | Near-net forming die and forming method for hinge beam forging of fine steel stone pressure equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857404A (en) * | 2021-10-26 | 2021-12-31 | 二重（德阳）重型装备有限公司 | Method for forging hinge beam in short process |
| CN115383029A (en) * | 2022-08-31 | 2022-11-25 | 中冶重工（唐山）有限公司 | Multidirectional die forging die for coupler knuckle forging of railway locomotive and forming process of multidirectional die forging die |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9719900D0 (en) * | 1996-09-19 | 1997-11-19 | Sanyo Special Steel Co Ltd | Method and system for warm or hot high-velocity die forging |
| JP2001030042A (en) * | 1999-07-22 | 2001-02-06 | Toyota Autom Loom Works Ltd | Manufacture of swash plate for swash type compressor |
| JP2001162348A (en) * | 1999-12-06 | 2001-06-19 | Toyota Motor Corp | Grooved member forming apparatus, and its forming method |
| NO20040634D0 (en) * | 2004-02-12 | 2004-02-12 | Raufoss Tech As | A slip process |
| CN102513482A (en) * | 2011-12-06 | 2012-06-27 | 中国科学院金属研究所 | Forging and forming method of integral hinge beam |
| WO2012090892A1 (en) * | 2010-12-28 | 2012-07-05 | 日立金属株式会社 | Closed-die forging method and method of manufacturing forged article |
| CN202343840U (en) * | 2011-12-13 | 2012-07-25 | 重庆工具厂有限责任公司 | Forging mold of middle concave forge |
| CN104259362A (en) * | 2014-10-21 | 2015-01-07 | 中国第一重型机械股份公司 | Nuclear reactor integrating lower end socket integrity profiling and forging method |
| CN104624906A (en) * | 2015-01-29 | 2015-05-20 | 西安三角航空科技有限责任公司 | Forging die and forging method |
| CN106216585A (en) * | 2016-08-24 | 2016-12-14 | 邓州市良机锻压设备制造有限公司 | Integral hinge beam closed die forging molding die and hinge beam preparation method |
| KR20170069368A (en) * | 2015-12-10 | 2017-06-21 | 주식회사 세림티앤디 | Forging Producing Method and Device |
| CN107186148A (en) * | 2017-07-13 | 2017-09-22 | 苏州昆仑重型装备制造有限公司 | The mould of rotary drum is forged on common hydraulic press |
| CN206824585U (en) * | 2017-04-24 | 2018-01-02 | 湖南巨峰科技实业有限公司 | A kind of combination die for the processing of large-scale hinge beam forging |
| WO2018045752A1 (en) * | 2016-09-10 | 2018-03-15 | 吉林大学 | Near net shape forging and moulding method for railway vehicle coupler knuckle |
| CN107900270A (en) * | 2017-12-28 | 2018-04-13 | 烟台台海材料科技有限公司 | A kind of hinge beam Integral die-forged combined die for forming and its processing hinge beam method |
| CN207839995U (en) * | 2017-12-28 | 2018-09-11 | 烟台台海材料科技有限公司 | A kind of hinge beam die forging cavity plate and the upsetting pressure punch-pin coordinated with it and forging and stamping punch-pin |
| CN109093049A (en) * | 2018-08-01 | 2018-12-28 | 西安三角防务股份有限公司 | A kind of forging mold and forging method |
| CN110508737A (en) * | 2019-08-26 | 2019-11-29 | 南京理工大学 | A kind of hub extrusion manufacturing process |
| CN214442739U (en) * | 2021-02-26 | 2021-10-22 | 辽宁北祥重工机械制造有限公司 | Near-net forming die for forging hinge beam of refined steel stone pressure equipment |
-
2021
- 2021-02-26 CN CN202110216885.9A patent/CN112756538B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9719900D0 (en) * | 1996-09-19 | 1997-11-19 | Sanyo Special Steel Co Ltd | Method and system for warm or hot high-velocity die forging |
| JP2001030042A (en) * | 1999-07-22 | 2001-02-06 | Toyota Autom Loom Works Ltd | Manufacture of swash plate for swash type compressor |
| JP2001162348A (en) * | 1999-12-06 | 2001-06-19 | Toyota Motor Corp | Grooved member forming apparatus, and its forming method |
| NO20040634D0 (en) * | 2004-02-12 | 2004-02-12 | Raufoss Tech As | A slip process |
| WO2012090892A1 (en) * | 2010-12-28 | 2012-07-05 | 日立金属株式会社 | Closed-die forging method and method of manufacturing forged article |
| CN102513482A (en) * | 2011-12-06 | 2012-06-27 | 中国科学院金属研究所 | Forging and forming method of integral hinge beam |
| CN202343840U (en) * | 2011-12-13 | 2012-07-25 | 重庆工具厂有限责任公司 | Forging mold of middle concave forge |
| CN104259362A (en) * | 2014-10-21 | 2015-01-07 | 中国第一重型机械股份公司 | Nuclear reactor integrating lower end socket integrity profiling and forging method |
| CN104624906A (en) * | 2015-01-29 | 2015-05-20 | 西安三角航空科技有限责任公司 | Forging die and forging method |
| KR20170069368A (en) * | 2015-12-10 | 2017-06-21 | 주식회사 세림티앤디 | Forging Producing Method and Device |
| CN106216585A (en) * | 2016-08-24 | 2016-12-14 | 邓州市良机锻压设备制造有限公司 | Integral hinge beam closed die forging molding die and hinge beam preparation method |
| WO2018045752A1 (en) * | 2016-09-10 | 2018-03-15 | 吉林大学 | Near net shape forging and moulding method for railway vehicle coupler knuckle |
| CN206824585U (en) * | 2017-04-24 | 2018-01-02 | 湖南巨峰科技实业有限公司 | A kind of combination die for the processing of large-scale hinge beam forging |
| CN107186148A (en) * | 2017-07-13 | 2017-09-22 | 苏州昆仑重型装备制造有限公司 | The mould of rotary drum is forged on common hydraulic press |
| CN107900270A (en) * | 2017-12-28 | 2018-04-13 | 烟台台海材料科技有限公司 | A kind of hinge beam Integral die-forged combined die for forming and its processing hinge beam method |
| CN207839995U (en) * | 2017-12-28 | 2018-09-11 | 烟台台海材料科技有限公司 | A kind of hinge beam die forging cavity plate and the upsetting pressure punch-pin coordinated with it and forging and stamping punch-pin |
| CN109093049A (en) * | 2018-08-01 | 2018-12-28 | 西安三角防务股份有限公司 | A kind of forging mold and forging method |
| CN110508737A (en) * | 2019-08-26 | 2019-11-29 | 南京理工大学 | A kind of hub extrusion manufacturing process |
| CN214442739U (en) * | 2021-02-26 | 2021-10-22 | 辽宁北祥重工机械制造有限公司 | Near-net forming die for forging hinge beam of refined steel stone pressure equipment |
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| CN112756538A (en) | 2021-05-07 |
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