CN113798426B - Automatic production line for hot forging and trimming of knuckle - Google Patents
Automatic production line for hot forging and trimming of knuckle Download PDFInfo
- Publication number
- CN113798426B CN113798426B CN202110999679.XA CN202110999679A CN113798426B CN 113798426 B CN113798426 B CN 113798426B CN 202110999679 A CN202110999679 A CN 202110999679A CN 113798426 B CN113798426 B CN 113798426B
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- China
- Prior art keywords
- trimming
- channel
- clamp
- transfer
- press
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- 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
-
- 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
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
-
- 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
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
-
- 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
-
- 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
- B21K7/00—Making railway appurtenances; Making vehicle parts
- B21K7/12—Making railway appurtenances; Making vehicle parts parts for locomotives or vehicles, e.g. frames, underframes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention relates to the technical field of knuckle forging, in particular to a knuckle hot forging trimming automatic production line which comprises a final forging press, a trimming press, a final forging die and a trimming die, wherein the trimming die comprises a trimming upper die and a trimming lower die, a transfer channel is arranged between the final forging press and the trimming press, a transfer device is arranged at the transfer channel, a feeding channel is arranged at one side of the final forging press, a feeding device is arranged at the feeding channel, a material returning channel is arranged at one side of the trimming press, a material returning device is arranged at the material returning channel, a second clamp for transferring a workpiece from the final forging lower die to the trimming lower die through the transfer channel is arranged at the transfer device, a third clamp for taking the workpiece and the flash out through the material returning channel is arranged at the transfer device, the automatic transfer is realized through reasonably arranging the production line, the automatic transfer is realized by matching with the second clamp and the third clamp, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of knuckle forging, in particular to an automatic production line for hot forging and trimming of a knuckle.
Background
The automobile steering knuckle is required to be subjected to working procedures such as pre-forging, final forging and trimming when being forged, the working procedures are carried out in a hot state, the requirement on the production beat is high, the phenomenon that the temperature of a workpiece is reduced and cannot be forged due to too slow beat is avoided, the structure of the workpiece is complex, the shape is irregular, the weight is large, the precision of a die is high, and the production beat is influenced when the workpiece is put down from the die, taken out and held tightly if the workpiece cannot be grasped, or the workpiece is inclined. In the prior art, a manually operated long-arm tool is generally used for clamping and transferring, so that the labor intensity is high, the environmental temperature is high, and the machining process is often influenced by misoperation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an automatic production line for hot forging and trimming of a steering knuckle, which is scientific in structure, and a certain arrangement is carried out on a press machine and a die through an improved clamp cooperation transfer device, so that the automatic production line is formed, a workpiece is clamped reliably, the production efficiency is effectively improved, and unqualified workpieces caused by the fact that the temperature is lower than the forging temperature due to the heat loss of the workpieces are avoided.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a knuckle hot forging side cut automatic production line, includes final forging press, side cut press, final forging press fixedly connected with final forging mould, final forging mould includes final forging upper die, final forging lower die, the pole portion die cavity of final forging lower die is arranged along vertical decurrent direction, side cut press fixedly connected with side cut mould, side cut mould includes side cut upper die, side cut lower die, be provided with transfer channel between final forging press and the side cut press, this transfer channel department is provided with transfer device, one side of final forging press is provided with the material loading passageway, material loading passageway department is provided with loading attachment, one side of side cut press is provided with the material return passageway, material return passageway department is provided with material return device;
the long lug cavities and the short lug cavities of the final forging die are arranged along the direction of the transfer channel;
the trimming upper die comprises a male die and a stripper plate, wherein the stripper plate is used for pushing out flash sleeved outside the male die downwards according to a command;
the feeding device is provided with a feeding mechanical arm, and the front end of the feeding mechanical arm is provided with a first clamp for placing a workpiece into a final forging lower die through a feeding channel;
the transfer device is provided with a transfer mechanical arm, and the front end of the transfer mechanical arm is provided with a second clamp for transferring a workpiece from the final forging lower die to the trimming lower die through a transfer channel;
the second clamp comprises a second cylinder frame and a second cylinder, one end of the second cylinder frame is connected with the transfer mechanical arm, two fixed connecting rods and one movable connecting rod are arranged at the other end of the second cylinder frame, the two fixed connecting rods are arranged in parallel, the movable connecting rod is positioned between the two fixed connecting rods, the middle part of the movable connecting rod is hinged with the middle part of the fixed connecting rod, the upper end of the movable connecting rod is hinged with the second cylinder, the upper end of the fixed connecting rod is fixedly connected with the second cylinder frame, and the lower ends of the movable connecting rod and the fixed connecting rod are three contact points for outwards opening the inner sides of the lugs of the steering knuckle;
the material returning device is provided with a material returning mechanical arm, and the front end of the material returning mechanical arm is provided with a third clamp for taking out a workpiece and a flash through a material returning channel;
the third clamp comprises a third cylinder frame, a third cylinder and a clamp seat, wherein the clamp seat is provided with two ear clamps used for clamping the ears of the steering knuckle, and the upper side of the clamp seat is provided with a receiving plate used for receiving the flash pushed downwards by the stripper plate.
Preferably, the two ear clamps horizontally extend out, the middle parts of the two ear clamps are connected with the clamp seat through hinge pins, waist round holes are respectively formed in the tail parts of the two ear clamps, sliding pins are arranged in the waist round holes, and the sliding pins are fixedly connected with the telescopic ends of the third air cylinders.
Preferably, a feeding conveyor belt for conveying the workpiece to be processed is arranged on the side face of the feeding device.
Preferably, a blanking conveyor belt and a flash collecting box are arranged on the side face of the trimming and material returning device.
Preferably, a sliding rail is arranged at the transfer passage, and the transfer mechanical arm is in sliding connection with the sliding rail.
Preferably, a sliding rail is arranged at the feeding channel, and the feeding mechanical arm is in sliding connection with the sliding rail.
The beneficial effects of the invention are as follows:
1. the production line is reasonably arranged, two side surfaces of the final forging press are respectively a feeding channel and a transferring channel, two side surfaces of the trimming press are respectively a transferring channel and a returning channel, the four channels are all spaces between the upright posts of the press, the existing press and the existing die are modified to be realized by matching with each clamp, so that automatic transferring is realized, the production beat is accelerated, the production efficiency is improved, the production beat is prevented from being slow due to various problems in the prior art, the temperature of the steering knuckle is reduced to be less than the forging requirement, and the rejection rate is higher.
2. Two sets of clamps that this production line of cooperation used: the second clamp and the third clamp, wherein, when the second clamp takes out the work piece, the fixed connecting rod moves to the inner side of the lug and props against the inner side of the long lug or the short lug, then the movable connecting rod rotates relatively to prop against the inner side of the short lug or the long lug, three points prop against and expand outwards to fix the knuckle, and then the knuckle is lifted vertically upwards, so that the work piece is clamped firmly in the process, the work piece cannot incline, and the work piece cannot be collided and extruded by a tool and a die, so that the work piece is prevented from being blocked in a die cavity in the prior art.
Compared with a two-jaw telescopic clamp commonly used in the prior art, the three-jaw telescopic clamp has the advantages that the clamp cannot deviate and swing, the workpiece is guaranteed to be vertical, the moving accuracy requirement on the transfer mechanical arm is low, the shape between two lugs is approximately V-shaped due to the requirement on a drawing angle, the two sides of the clamp are inclined, the bottom is slightly flat, the lower end outer side of a fixed connecting rod can stop moving only by abutting against the inner side of each lug when the second clamp moves, the movable connecting rod is opened, the clamping requirement can be met for a larger area corresponding to the inner side of each lug, and the clamp does not need to be moved to a very accurate length and depth according to the requirement in the prior art.
3. The third clamp used by the invention is matched with the structure of the trimming die, and simultaneously realizes the functions of clamping the workpiece and receiving the flash. Specifically, the workpiece is clamped in a descending mode, then the workpiece is ascended, the stripper plate of the trimming die descends to enable the flash to fall on the receiving plate, then the material returning mechanical arm translates to the flash collecting box, the flash falls down after overturning, and then the material returning mechanical arm moves to the blanking conveyor belt to put down the workpiece.
Drawings
FIG. 1 is a schematic diagram of a knuckle hot forging trimming automated production line of the present invention.
Fig. 2 is a schematic view of a partial structure of the trimming upper die of the present invention.
Fig. 3 is a schematic structural view of a second clamp of the present invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic structural view of a third clamp of the present invention.
Fig. 6 is a top view of the middle ear clamp of fig. 5.
Reference numerals illustrate:
1-final forging press 2-trimming press
3-transfer device 31-transfer mechanical arm
32-second clamp 321-second cylinder frame
322-second cylinder 323-fixed connecting rod
324-movable connecting rod 4-feeding device
41-feeding mechanical arm 5-material returning device
51-Material returning mechanical arm 52-third Clamp
521 third cylinder frame 522 third cylinder
523-clamp seat 524-ear clamp
525-receiving plate 526-hinge pin
527-sliding pin 6-trimming die
61-male die 62-stripper.
Detailed Description
The invention will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the invention.
As shown in fig. 1 to 6, the steering knuckle hot forging trimming automatic production line of the embodiment comprises a finish forging press 1 and a trimming press 2, wherein the finish forging press 1 and the trimming press 2 are respectively provided with four upright posts, the finish forging press 1 is fixedly connected with a finish forging die, the finish forging die comprises a finish forging upper die and a finish forging lower die, a rod part cavity of the finish forging lower die is arranged along a vertical downward direction, the trimming press 2 is fixedly connected with a trimming die 6, and the trimming die 6 comprises a trimming upper die and a trimming lower die.
For the invention, a transfer channel is arranged between the final forging press 1 and the trimming press 2, a transfer device 3 is arranged at the transfer channel, a feeding channel is arranged at one side of the final forging press 1, a feeding device 4 is arranged at the feeding channel, a material returning channel is arranged at one side of the trimming press 2, and a material returning device 5 is arranged at the material returning channel. The workpiece subjected to pre-forging is placed into a final forging die through a feeding device 4 for final forging, then is transferred to a trimming die 6 through a transfer device 3 for trimming, and then the flash and the workpiece are returned to the next working procedure.
To accommodate the requirements of the second clamp 32, the long-ear and short-ear cavities of the final forging die are arranged in the direction of the transfer channel.
The trimming upper die comprises a male die 61 and a stripper plate 62 for pushing out the flash sleeved outside the male die 61 downwards according to a command, as shown in fig. 2, the male die 61 moves upwards after trimming the flash, the flash is clamped and embedded outside the male die 61, and then when the stripper plate 525 moves below the stripper plate 62, the stripper plate 62 moves downwards to push out the flash downwards and drop on the stripper plate 525.
The feeding device 4 is provided with a feeding mechanical arm 41, and the front end of the feeding mechanical arm 41 is provided with a first clamp for placing a workpiece into a final forging lower die through a feeding channel, and the first clamp can be used for positioning the rod part of the knuckle by utilizing the cavity of the final forging die when the workpiece is placed into the first clamp, so that the requirement is lower and the implementation is easy.
As shown in fig. 3 and 4, the transfer device 3 is provided with a transfer mechanical arm 31, and a second clamp 32 for transferring the workpiece from the finish forging lower die to the trimming lower die through a transfer passage is provided at the front end of the transfer mechanical arm 31. Specifically, the second clamp 32 includes a second cylinder frame 321 and a second cylinder 322, one end of the second cylinder frame 321 is connected with the transfer mechanical arm 31, two fixed connecting rods 323 and one movable connecting rod 324 are arranged at the other end of the second cylinder frame 321, the two fixed connecting rods 323 are arranged in parallel, the movable connecting rod 324 is located between the two fixed connecting rods 323, the middle part of the movable connecting rod 324 is hinged with the middle part of the fixed connecting rod 323, the upper end of the movable connecting rod 324 is hinged with the second cylinder 322, the upper end of the fixed connecting rod 324 is fixedly connected with the second cylinder frame 321, three contact points used for outwards opening the inner side of the steering knuckle ear are arranged at the lower end of the movable connecting rod 324 and the fixed connecting rod 323, during clamping, the workpiece can be reliably clamped by using the three contact points, and the second cylinder 322 drives the movable connecting rod 324 to outwards rotate to form outwards expanding force, so that the force is large, and the workpiece can be well fixed.
As shown in fig. 5 and 6, the material returning device 5 is provided with a material returning mechanical arm 51, and a third clamp 52 for taking out the workpiece and the flash through a material returning channel is arranged at the front end of the material returning mechanical arm 51; the third clamp 52 comprises a third cylinder frame 521, a third cylinder 522 and a clamp seat 523, wherein the clamp seat 523 is provided with two ear clamps 524 for clamping the knuckle ears, and the upper side of the clamp seat 523 is provided with a receiving plate 525 for receiving the flash pushed downwards by the stripper plate 62.
The two ear clamps 524 horizontally extend out, the middle parts of the two ear clamps 524 are connected with the clamp seat 523 through hinge pins 526, waist round holes are respectively formed in the tail parts of the two ear clamps 524, sliding pins 527 are arranged in the waist round holes, and the sliding pins 527 are fixedly connected with the telescopic ends of the third air cylinders 522.
The side of the feeding device 4 is provided with a feeding conveyor belt for conveying workpieces to be processed.
The side face of the trimming and material returning device 5 is provided with a blanking conveyor belt and a flash collecting box.
The transfer channel is provided with a sliding rail, and the transfer mechanical arm 31 is slidably connected with the sliding rail. The feeding channel is provided with a sliding rail, and the feeding mechanical arm 41 is in sliding connection with the sliding rail. So that the transfer mechanical arm 31 and the feeding mechanical arm 41 can be rapidly moved by utilizing the sliding track.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. Knuckle hot forging side cut automatic production line, including finish forging press (1), side cut press (2), finish forging press (1) fixedly connected with finish forging mould, the finish forging mould includes that finish forging goes up mould, finish forging lower mould, the pole portion die cavity of finish forging lower mould is arranged along vertical decurrent direction, side cut press (2) fixedly connected with side cut mould (6), side cut mould (6) are including cutting edge mould, side cut lower mould, its characterized in that: a transfer channel is arranged between the finish forging press (1) and the trimming press (2), a transfer device (3) is arranged at the transfer channel, a feeding channel is arranged at one side of the finish forging press (1), a feeding device (4) is arranged at the feeding channel, a material returning channel is arranged at one side of the trimming press (2), and a material returning device (5) is arranged at the material returning channel;
the long lug cavities and the short lug cavities of the final forging die are arranged along the direction of the transfer channel;
the trimming upper die comprises a male die (61) and a stripper plate (62) for pushing out the flash sleeved outside the male die (61) downwards according to a command;
the feeding device (4) is provided with a feeding mechanical arm (41), and the front end of the feeding mechanical arm (41) is provided with a first clamp for placing a workpiece into a final forging lower die through a feeding channel;
the transfer device (3) is provided with a transfer mechanical arm (31), and the front end of the transfer mechanical arm (31) is provided with a second clamp (32) for transferring a workpiece from the finish forging lower die to the trimming lower die through a transfer channel;
the second clamp (32) comprises a second cylinder frame (321) and a second cylinder (322), one end of the second cylinder frame (321) is connected with the transfer mechanical arm (31), two fixed connecting rods (323) and one movable connecting rod (324) are arranged at the other end of the second cylinder frame (321), the two fixed connecting rods (323) are arranged in parallel, the movable connecting rod (324) is positioned between the two fixed connecting rods (323), the middle part of the movable connecting rod (324) is hinged with the middle part of the fixed connecting rod (323), the upper end of the movable connecting rod (324) is hinged with the second cylinder (322), the upper end of the fixed connecting rod (323) is fixedly connected with the second cylinder frame (321), and the lower ends of the movable connecting rod (324) and the fixed connecting rod (323) are three contact points for outwards opening the inner sides of the abutting steering knuckle ears;
the material returning device (5) is provided with a material returning mechanical arm (51), and the front end of the material returning mechanical arm (51) is provided with a third clamp (52) for taking out a workpiece and a flash through a material returning channel;
the third clamp (52) comprises a third cylinder frame (521), a third cylinder (522) and a clamp seat (523), wherein the clamp seat (523) is provided with two lug clamps (524) used for clamping the lug of the steering knuckle, and the upper side of the clamp seat (523) is provided with a receiving plate (525) used for receiving the flash pushed downwards by the stripper plate (62).
2. The automatic steering knuckle hot forging trimming production line according to claim 1, wherein: the two ear clamps (524) horizontally extend out, the middle parts of the two ear clamps (524) are connected with the clamp seat (523) through hinge pins (526), waist round holes are respectively formed in the tail parts of the two ear clamps (524), sliding pins (527) are arranged in the waist round holes, and the sliding pins (527) are fixedly connected with the telescopic ends of the third air cylinders (522).
3. The automatic steering knuckle hot forging trimming production line according to claim 1, wherein: the side of the feeding device (4) is provided with a feeding conveyor belt for conveying workpieces to be processed.
4. The automatic steering knuckle hot forging trimming production line according to claim 1, wherein: the side face of the trimming and material returning device (5) is provided with a blanking conveyor belt and a flash collecting box.
5. The automatic steering knuckle hot forging trimming production line according to claim 1, wherein: the transfer channel is provided with a sliding rail, and the transfer mechanical arm (31) is in sliding connection with the sliding rail.
6. The automatic steering knuckle hot forging trimming production line according to claim 1, wherein: the feeding channel is provided with a sliding rail, and the feeding mechanical arm (41) is in sliding connection with the sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110999679.XA CN113798426B (en) | 2021-08-29 | 2021-08-29 | Automatic production line for hot forging and trimming of knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110999679.XA CN113798426B (en) | 2021-08-29 | 2021-08-29 | Automatic production line for hot forging and trimming of knuckle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113798426A CN113798426A (en) | 2021-12-17 |
| CN113798426B true CN113798426B (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110999679.XA Active CN113798426B (en) | 2021-08-29 | 2021-08-29 | Automatic production line for hot forging and trimming of knuckle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113798426B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1428519A2 (en) * | 1985-11-10 | 1988-10-07 | Научно-Исследовательский И Проектно-Технологический Институт Машиностроения | Production line for manufacturing shape-formed articles of cotter pin type for brake device for rolling stock |
| KR20030080099A (en) * | 2001-03-22 | 2003-10-10 | 비숍 이노베이션 리미티드 | Method and apparatus for manufacture of a forged rack |
| CN203585784U (en) * | 2013-12-09 | 2014-05-07 | 中国重汽集团济南动力有限公司 | Knuckle forging line edge trimmer dry oil lubricant pump oil supplementing device |
| CN206824581U (en) * | 2017-05-30 | 2018-01-02 | 徐皓 | A kind of full-automatic non-hardened and tempered steel forging production line |
| CN108339923A (en) * | 2018-02-01 | 2018-07-31 | 湖北三峡职业技术学院 | Manipulator for the automatic roll forging of connecting rod |
| CN108817307A (en) * | 2018-08-17 | 2018-11-16 | 海安金锻工业有限公司 | A kind of automobile control arm forging line and forging and forming technology |
| CN209035383U (en) * | 2018-08-17 | 2019-06-28 | 海安金锻工业有限公司 | A kind of automobile control arm forging line |
| CN111069500A (en) * | 2019-12-26 | 2020-04-28 | 江苏大学 | Automatic device and method for micro-part cold forging forming at high strain rate |
| CN111203505A (en) * | 2020-03-02 | 2020-05-29 | 辽宁五一八内燃机配件有限公司 | Trimming die for crankshaft forging |
| CN111957873A (en) * | 2020-08-31 | 2020-11-20 | 武汉新威奇科技有限公司 | Automatic shaft forging production line and method thereof |
-
2021
- 2021-08-29 CN CN202110999679.XA patent/CN113798426B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1428519A2 (en) * | 1985-11-10 | 1988-10-07 | Научно-Исследовательский И Проектно-Технологический Институт Машиностроения | Production line for manufacturing shape-formed articles of cotter pin type for brake device for rolling stock |
| KR20030080099A (en) * | 2001-03-22 | 2003-10-10 | 비숍 이노베이션 리미티드 | Method and apparatus for manufacture of a forged rack |
| CN203585784U (en) * | 2013-12-09 | 2014-05-07 | 中国重汽集团济南动力有限公司 | Knuckle forging line edge trimmer dry oil lubricant pump oil supplementing device |
| CN206824581U (en) * | 2017-05-30 | 2018-01-02 | 徐皓 | A kind of full-automatic non-hardened and tempered steel forging production line |
| CN108339923A (en) * | 2018-02-01 | 2018-07-31 | 湖北三峡职业技术学院 | Manipulator for the automatic roll forging of connecting rod |
| CN108817307A (en) * | 2018-08-17 | 2018-11-16 | 海安金锻工业有限公司 | A kind of automobile control arm forging line and forging and forming technology |
| CN209035383U (en) * | 2018-08-17 | 2019-06-28 | 海安金锻工业有限公司 | A kind of automobile control arm forging line |
| CN111069500A (en) * | 2019-12-26 | 2020-04-28 | 江苏大学 | Automatic device and method for micro-part cold forging forming at high strain rate |
| CN111203505A (en) * | 2020-03-02 | 2020-05-29 | 辽宁五一八内燃机配件有限公司 | Trimming die for crankshaft forging |
| CN111957873A (en) * | 2020-08-31 | 2020-11-20 | 武汉新威奇科技有限公司 | Automatic shaft forging production line and method thereof |
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| Publication number | Publication date |
|---|---|
| CN113798426A (en) | 2021-12-17 |
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