CN216938230U - Combined conjoined forging die for forging large crank throw - Google Patents
Combined conjoined forging die for forging large crank throw Download PDFInfo
- Publication number
- CN216938230U CN216938230U CN202220153117.3U CN202220153117U CN216938230U CN 216938230 U CN216938230 U CN 216938230U CN 202220153117 U CN202220153117 U CN 202220153117U CN 216938230 U CN216938230 U CN 216938230U
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- CN
- China
- Prior art keywords
- die
- forging
- cambered surface
- trapezoidal
- plane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/08—Making machine elements axles or shafts crankshafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The utility model relates to a combined conjoined forging die for forging a large crank, wherein a female die and a trapezoidal die are adjacently arranged on the same die body, and the adjacent region is a region shared by the two dies. The trapezoidal die is formed by connecting three planes, wherein the middle plane is upward, the left side of the left plane is low, and the right side of the right plane is low; the female die is formed by connecting three concave cambered surfaces, the middle strip-shaped cambered surface faces upwards, the left side and the right side are crescent cambered surfaces, the outer cambered surface is low, the edges of the inner cambered surface are respectively connected with the left side and the right side of the middle cambered surface, and the outer cambered surface is connected with the die body. The connecting area of the female die and the trapezoidal die is set as a common area of the female die and the trapezoidal die. The present invention has: saving material, saving space, high production efficiency and low production cost.
Description
Technical Field
The utility model relates to a conjoined forging die, in particular to the arrangement of two forging dies with different shapes and different purposes sharing die bodies, belonging to the technical field of mechanical manufacturing.
Background
The fuel engine is a device for converting chemical energy of fuel into mechanical energy, a crankshaft is a main part for converting reciprocating motion of an engine piston into rotary motion, and a crank throw is a very important component in a large crankshaft, is stressed greatly and is in a severe environment, and has enough rigidity, strength and capacity of bearing impact load. In order to satisfy above-mentioned performance requirement, select forging crank throw usually for use, and forging crank throw usually will press the jaw, the upset, pull out the base, the indent, process such as crooked and finishing appearance, different hammering block moulds will be used to different processes, in the traditional large-scale crank throw technology of forging, because the hammering block mould is the monomer setting mostly, therefore hammering block mould is in large quantity, it is big to occupy space, it is complicated to cause the change hammering block mould process, the cost time is long, make forging temperature drop, need many times of fire repeated heating just can accomplish the forging process, lead to low in production efficiency, the energy consumption is big, with high costs.
Disclosure of Invention
The utility model provides a combined conjoined forging die for forging a large crank, which is characterized in that forging dies with different shapes and different functions are arranged at different positions on the same die body to finish multiple forging steps of a forging piece.
In order to achieve the purpose, the utility model adopts the following scheme: the utility model provides a combination disjunctor forging die of forging large-scale crank, includes die body and section mould, its characterized in that:
the forming die comprises: a female die and a trapezoidal die;
the female die and the trapezoidal die are arranged on the same die body and are arranged adjacently;
the trapezoidal die is formed by connecting three planes, wherein the middle plane is upward, the left side of the left plane is low, the right side of the left plane is connected with the left side of the middle plane, the right side of the right plane is low, and the left side of the right plane is connected with the right side of the middle plane;
the female die is formed by connecting three concave cambered surfaces, the middle strip-shaped cambered surface faces upwards, the left side and the right side are crescent cambered surfaces, the outer camber line of each crescent cambered surface is low, the inner camber line of each crescent cambered surface is connected with the left side and the right side of the middle cambered surface respectively, the outer camber line is connected with the die body, the outer camber line, the inner camber line and the left line of the middle cambered surface of the left crescent cambered surface are intersected and converged at an end point, and the outer camber line, the inner camber line and the right side line of the middle cambered surface of the right crescent cambered surface are intersected and converged at an end point;
one end of the left and right sidelines of the middle cambered surface is respectively connected with one end of the left and right sidelines of the middle plane;
and the connecting area of the female die and the trapezoidal die is set as a common area of the female die and the trapezoidal die.
Furthermore, transition cambered surfaces are arranged at the connecting parts between the cambered surfaces of the female die.
Furthermore, a transition cambered surface is arranged at the connecting part between the planes of the trapezoidal die.
Furthermore, a transition cambered surface is arranged at the connecting part of the female die and the trapezoidal die.
Further, the length of the common area is greater than or equal to 15% of the total length of the die body.
In the design, the female die and the trapezoidal die are arranged on the same die body, the adjacent regions of the two dies are arranged to be a shared region, so that materials are saved, the occupied space is reduced, different forging steps do not need to replace a forging die, and the die cost can be saved while the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 4 is a schematic structural view of a section B-B in FIG. 1.
In the attached drawings, 1 is a die body, 2 is a concave die, and 3 is a trapezoidal die.
Detailed Description
As shown in fig. 1, 2, 3 and 4, the embodiment is that a female die 2 and a trapezoidal die 3 are arranged on the same die body 1, and the two dies are arranged on the same side of the die body 1.
The trapezoidal die 3 is formed by connecting three planes, wherein the middle plane is upward, the left side of the left plane is low, the right side of the left plane is connected with the left side of the middle plane, the right side of the right plane is low, and the left side of the right plane is connected with the right side of the middle plane.
The female die 2 is formed by connecting three concave cambered surfaces, the middle strip-shaped cambered surface faces upwards, the left side and the right side are crescent cambered surfaces, the outer cambered surfaces of the crescent cambered surfaces are low, the inner cambered surfaces of the crescent cambered surfaces are respectively connected with the left side and the right side of the middle cambered surface, the outer cambered surfaces are connected with the die body, the outer cambered surfaces and the inner cambered surfaces of the crescent cambered surfaces on the left side are intersected and converged at end points, and the outer cambered surfaces and the inner cambered surfaces of the crescent cambered surfaces on the right side are intersected and converged at end points with the right side line of the middle cambered surface.
One end of the left and right side lines of the middle cambered surface of the female die 2 is respectively connected with one end of the left and right side lines of the middle plane of the trapezoidal die 3.
The connection area of the female die 2 and the trapezoidal die 3 is an area shared by the two dies, when the female die 2 is used, the area is used as the rear part of the female die 2, and when the trapezoidal die 3 is used, the area is used as a part of the trapezoidal die 3.
Claims (5)
1. The utility model provides a combination disjunctor forging die of forging large-scale crank, includes die body and section mould, its characterized in that:
the forming die comprises: a female die and a trapezoidal die;
the female die and the trapezoidal die are arranged on the same die body and are arranged adjacently;
the trapezoidal die is formed by connecting three planes, wherein the middle plane is upward, the left side of the left plane is low, the right side of the left plane is connected with the left side of the middle plane, the right side of the right plane is low, and the left side of the right plane is connected with the right side of the middle plane;
the female die is formed by connecting three concave cambered surfaces, the middle strip-shaped cambered surface faces upwards, the left side and the right side are crescent cambered surfaces, the outer camber line of each crescent cambered surface is low, the inner camber line of each crescent cambered surface is connected with the left side and the right side of the middle cambered surface respectively, the outer camber line is connected with the die body, the outer camber line, the inner camber line and the left line of the middle cambered surface of the left crescent cambered surface are intersected and converged at an end point, and the outer camber line, the inner camber line and the right side line of the middle cambered surface of the right crescent cambered surface are intersected and converged at an end point;
one end of the left and right sidelines of the middle cambered surface is respectively connected with one end of the left and right sidelines of the middle plane;
and the connecting area of the female die and the trapezoidal die is set as a common area of the female die and the trapezoidal die.
2. The combined conjoined forging die for forging the large crank throw according to claim 1, wherein: and transition cambered surfaces are arranged at the connecting parts between the cambered surfaces of the female dies.
3. The combined conjoined forging die for forging the large crank throw according to claim 1, wherein: and transition cambered surfaces are arranged at the connecting parts between the planes of the trapezoidal dies.
4. The combined conjoined forging die for forging the large crank throw according to claim 1, wherein: and a transition cambered surface is arranged at the connecting part of the female die and the trapezoidal die.
5. The combined conjoined forging die for forging the large crank throw according to claim 1, wherein: the length of the common area is more than or equal to 15% of the total length of the die body.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220153117.3U CN216938230U (en) | 2022-01-20 | 2022-01-20 | Combined conjoined forging die for forging large crank throw |
| PCT/CN2022/110635 WO2023071375A1 (en) | 2021-10-28 | 2022-08-05 | Combined anvil die for forging large crank throw |
| PCT/CN2022/139766 WO2023138278A1 (en) | 2022-01-20 | 2022-12-16 | Conjoined forging die for forging large crank throw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220153117.3U CN216938230U (en) | 2022-01-20 | 2022-01-20 | Combined conjoined forging die for forging large crank throw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216938230U true CN216938230U (en) | 2022-07-12 |
Family
ID=82316082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220153117.3U Active CN216938230U (en) | 2021-10-28 | 2022-01-20 | Combined conjoined forging die for forging large crank throw |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN216938230U (en) |
| WO (1) | WO2023138278A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023071375A1 (en) * | 2021-10-28 | 2023-05-04 | 中聚信海洋工程装备有限公司 | Combined anvil die for forging large crank throw |
| WO2023138278A1 (en) * | 2022-01-20 | 2023-07-27 | 中聚信海洋工程装备有限公司 | Conjoined forging die for forging large crank throw |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005152904A (en) * | 2003-11-20 | 2005-06-16 | Daido Steel Co Ltd | Stepped anvil for forging and method for manufacturing stepped shaft-shaped good using the same |
| CN103042145B (en) * | 2012-12-25 | 2016-04-13 | 国营第六一六厂 | Spanner precision die forging forming technology |
| CN206483844U (en) * | 2017-02-21 | 2017-09-12 | 宁夏德信恒通管业有限公司 | Elbow forges and presses shaping mould |
| CN107983896A (en) * | 2017-12-08 | 2018-05-04 | 西南铝业（集团）有限责任公司 | One kind becomes cambered surface bending mould |
| CN111069512B (en) * | 2019-12-16 | 2021-02-26 | 北京北方车辆集团有限公司 | Forming method of track shoe for track type thin-shell vehicle |
| CN212551545U (en) * | 2020-05-15 | 2021-02-19 | 苏州强隆铸锻有限公司 | Die forging finishing assembling die |
| CN213944745U (en) * | 2020-10-20 | 2021-08-13 | 晋西车轴股份有限公司 | Forging die |
| CN113245491B (en) * | 2021-05-13 | 2022-07-15 | 中国第一重型机械股份公司 | Crank die forging combined female die |
| CN113926973B (en) * | 2021-10-28 | 2023-07-21 | 中聚信海洋工程装备有限公司 | Combined anvil die and process for forging large-scale crank throw |
| CN216938230U (en) * | 2022-01-20 | 2022-07-12 | 中聚信海洋工程装备有限公司 | Combined conjoined forging die for forging large crank throw |
-
2022
- 2022-01-20 CN CN202220153117.3U patent/CN216938230U/en active Active
- 2022-12-16 WO PCT/CN2022/139766 patent/WO2023138278A1/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023071375A1 (en) * | 2021-10-28 | 2023-05-04 | 中聚信海洋工程装备有限公司 | Combined anvil die for forging large crank throw |
| WO2023138278A1 (en) * | 2022-01-20 | 2023-07-27 | 中聚信海洋工程装备有限公司 | Conjoined forging die for forging large crank throw |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023138278A1 (en) | 2023-07-27 |
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| GR01 | Patent grant |