CN217595796U - Automatic die forging line forming device for shaft forgings - Google Patents
Automatic die forging line forming device for shaft forgings Download PDFInfo
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- CN217595796U CN217595796U CN202220984649.1U CN202220984649U CN217595796U CN 217595796 U CN217595796 U CN 217595796U CN 202220984649 U CN202220984649 U CN 202220984649U CN 217595796 U CN217595796 U CN 217595796U
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Abstract
The utility model relates to a device is used in shaping of axle type forging automatic die forging line belongs to axle type part forging technical field. Comprises a split upper die device and a split lower die device; the split upper die device comprises a first upper die, a second upper die and a third upper die, the second upper die and the third upper die are sequentially sleeved on the first upper die, and a fixed pressing ring matched with the first upper die is arranged on the outer ring of the first upper die. The split lower die device comprises a first lower die, a second lower die, a third lower die and a fourth lower die, wherein the second lower die is arranged on the first lower die, the third lower die is sleeved on the second lower die, and the fourth lower die is arranged on the second lower die and the third lower die. The utility model discloses changed integral processing mode in the past, solved mould cooling problem, improved mould life, reduce the mould cost, satisfied the automatic streamlined operation demand of die forging.
Description
Technical Field
The utility model relates to a device is used in shaping of axle type forging automatic die forging line belongs to axle type part forging technical field.
Background
At present, the forming of a large reducing long shaft type die forging disc part mainly has two modes: the other is the rotary forging forming of the rotary forging machine, is a profiling open die, has large process allowance and flash, and has low forming efficiency and uneven flow line of a forged disc part; the first type is formed by pre-upsetting and then forging by a press, and is a closed die, so that the process margin is small, no flash is generated, the forming efficiency is high, the internal flow line of the forge piece is uniform, and the quality is good.
As shown in figure 6, the integral embedded closed die is adopted, and the forging and forming are carried out by a press, so that the forming is fast and efficient. In the use process of the integral die structure, due to the fact that the production beat is fast, the die is frequently contacted with a workpiece at the temperature of about 1100 ℃, the temperature of the die is fast increased, the self-tempering phenomenon occurs, the hardness of the die is reduced, and deformation and abrasion occur, so that the requirement for continuous production cannot be met, and the continuous production can be continued only after the die is repaired or replaced. According to data statistics, about 100 work pieces are done to every set of mould, just need repair the mould or the retooling, the expense is higher, can not satisfy the automatic streamlined operation of die forging, and whole mould structure breaks from lower mould inner chamber edges and corners easily in the use moreover. The prior art has the following technical defects:
1. in the use process, because the production takt is fast, the die is frequently contacted with a workpiece at about 1100 ℃, the temperature of the die is fast increased, the self-tempering phenomenon occurs, the hardness of the die is reduced, and the die is deformed and abraded, so that the continuous production requirement cannot be met, and the continuous production can be carried out only after the die is repaired or replaced.
2. About 100 work pieces of about doing of every set of mould, just need repair the mould or retooling, the expense is higher, can not satisfy the automatic streamlined operation of die forging, and whole mould structure breaks from lower mould inner chamber edges and corners easily in the use moreover.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a device is used in shaping of axle type forging automatic die forging line, solve mould cooling problem, improve mould life, reduce the mould cost, satisfy the automatic streamlined operation demand of die forging.
The utility model discloses a device for forming an automatic die forging line of shaft forgings, which comprises a split upper die device and a split lower die device;
the split upper die device comprises a first upper die, a second upper die and a third upper die, the second upper die and the third upper die are sequentially sleeved on the first upper die, and a fixed pressing ring matched with the first upper die is arranged on the outer ring of the first upper die.
The split lower die device comprises a first lower die, a second lower die, a third lower die and a fourth lower die, wherein the second lower die is arranged on the first lower die, the third lower die is sleeved on the second lower die, the fourth lower die is arranged on the second lower die and the third lower die, and the device for forming the automatic die forging line of the shaft forging is designed. The device for forming the automatic die forging line of the shaft forging has the advantages that parts are damaged in the using process and can be replaced independently, the whole die is not required to be replaced, and the die cost is saved.
Working process or working principle:
the split upper die is assembled by a first upper die, a second upper die and a third upper die: the inner hole of the first upper die is designed with a flange which is in interference fit with the third upper die, when the first upper die is assembled, the boss of the third upper die is clamped on the flange of the first upper die, and after the assembly is finished, the lower planes of the first upper die and the third upper die are just level to form a forming surface of the upper plane of the forged disc part; the outer diameter of the second upper die is the same as the inner diameter of the large end of the first upper die, the second upper die is in clearance fit with the large end of the first upper die, and after the first upper die and the third upper die are assembled, the second upper die is placed into the inner hole of the first upper die to tightly press the third upper die; and after the upper die is integrally assembled, pressing the outer circle step of the first upper die by using a pressing plate, and fastening the outer circle step to the upper die base by using a bolt.
The split lower die is formed by assembling a fourth lower die, a first lower die and a third lower die, the third lower die and the first lower die are in small-gap fit, the third lower die is placed into an inner hole of the first lower die during assembly, and after the assembly is finished, the upper plane and the lower plane of the third lower die are flush with each other; the first lower die is provided with a sub-opening which is assembled with the step of the first lower die in a matching way; the fourth lower die is provided with a seam allowance which is matched and assembled with the boss of the first lower die, and meanwhile, the third lower die is pressed tightly; and after the whole lower die is assembled, the fourth lower die is firmly connected with the lower die base by using bolts, so that the split lower die is integrally fastened. The inner hole of the fourth lower die, the upper plane and the inner hole of the third lower die form a forming surface of the outer circle and the lower end face of the forging disc portion.
Preferably, the third upper die is provided with a flange adapted to the first upper die.
Preferably, the bottom surface of the second upper die is provided with an upper die water tank, and the third upper die can be cooled by circulating cooling liquid.
Preferably, the third lower die and the fourth lower die are provided with adaptive concave-convex rings.
Preferably, the second lower die, the fourth lower die and the first lower die are respectively provided with a concave-convex ring which is matched with the fourth lower die.
Preferably, a lower mold water tank is arranged on the first lower mold, and the third lower mold can be cooled by circulating cooling liquid.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses carry out the components of a whole that can function independently design, fully considered the cost problem of mould. The original integral die structure can only be integrally replaced or repaired after being worn, and only the third upper die and the third lower die of the quick-wear part are replaced or repaired after the original integral die structure is changed into a split structure, so that the die cost is reduced.
2. The utility model discloses carry out the components of a whole that can function independently design, fully considered the interchangeability problem of mould. All parts of the die are independent parts, and the die can be replaced mutually, so that the die is convenient, quick and practical.
3. The utility model discloses a set up components of a whole that can function independently lower mould, solved the cracked problem of lower mould die cavity. The original overall structure lower mould, in the use, the edges and corners stress concentration department fracture along the die cavity easily, after changing into the components of a whole that can function independently structure, each part is independent, does not have stress concentration point, has thoroughly solved this problem.
4. Through designing the cooling trough on second upper die, first lower mould, one each advances, delivery port, during actual production, can let in circulating cooling liquid and cool off forming part third upper die, third lower mould, reduce the intensification of mould, prolong the life of mould.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a structural schematic view of a split upper die in embodiment 1 of the present invention;
fig. 3 is a structural schematic view of a split lower die of embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a second upper die in embodiment 1 of the present invention;
fig. 5 is a schematic view of a first lower mold structure according to embodiment 1 of the present invention;
FIG. 6 is a schematic diagram of a prior art configuration;
in the figure: 1. a split upper die; 2. a split lower die; 3. fixing the compression ring; 4. an upper mold water tank; 5. a lower die water tank;
11. a first upper die; 12. a second upper die; 13. a third upper die; 21. a first lower die; 22. a second lower die; 23. a third lower die; 24. and a fourth lower die.
Detailed Description
Example 1
As shown in fig. 1 to 5, the device for forming an automatic die forging line for shaft forgings of the present invention comprises a split upper die 1 device and a split lower die 2 device;
the split upper die 1 device comprises a first upper die 11, a second upper die 12 and a third upper die 13, wherein the first upper die 11 is sequentially sleeved on the second upper die 12 and the third upper die 13, and a fixed pressing ring 3 matched with the first upper die 11 is arranged on the outer ring of the first upper die.
The split lower die 2 device comprises a first lower die 21, a second lower die 22, a third lower die 23 and a fourth lower die 24, wherein the second lower die 22 is arranged on the first lower die 21, the third lower die 23 is sleeved on the second lower die 22, and the fourth lower die 24 is arranged on the second lower die 22 and the third lower die 23.
As shown in fig. 1 to 6, the third upper die 13 is provided with a flange adapted to the first upper die 11. The bottom surface of the second upper die 12 is provided with an upper die water tank 4. The third lower die 23 and the fourth lower die 24 are provided with adaptive concave-convex rings. The second lower die 22, the fourth lower die 24 and the first lower die 21 are provided with concave-convex rings which are matched with each other. The first lower die 21 is provided with a lower die water tank 5.
Further description of example 1:
as shown in fig. 1 to 5, the device for forming the automatic die forging line of the shaft forging is designed to be a split combined structure, the third upper die 13 and the third lower die 23, which are main vulnerable forming parts, are designed to be independent thin sheet pieces and can be detached and replaced, the second upper die 12 is provided with the upper die water tank 4, the first lower die 21 is provided with the lower die water tank 5, and the water inlet and the water outlet are respectively arranged at 45 degrees. In the use process, the third upper die 13 and the third lower die 23 can be cooled by circulating cooling liquid, so that the temperature rise of the die is reduced, and the service life of the die is prolonged. Due to the design of the forming device, all parts are independent parts and can be replaced mutually, and the interchangeability of the die parts is strong. In the use process of the forming device, parts are damaged and can be replaced independently without replacing the whole die, so that the die cost is saved. The design of the forming device solves the problem that the whole die is broken due to stress concentration. After the device for forming the automatic die forging line of the shaft forging is used, the cooling effect is good, 1000 pieces of shaft forging can be continuously produced, the die needs to be replaced or repaired, the service life of the die is obviously prolonged compared with that of the integral die, the requirement of die forging automatic assembly line operation is completely met, and the device is convenient, rapid and practical.
Working process or working principle:
the split upper die is assembled by a first upper die, a second upper die and a third upper die: the inner hole of the first upper die is designed with a flange which is in interference fit with the third upper die, when the forging disc is assembled, the boss of the third upper die is clamped on the flange of the first upper die, and after the assembly is finished, the lower planes of the first upper die and the third upper die are just flush with each other to form an upper plane forming surface of the forging disc part; the outer diameter of the second upper die is the same as the inner diameter of the large end of the first upper die, the second upper die is in clearance fit with the large end of the first upper die, and after the first upper die and the third upper die are assembled, the second upper die is placed into the inner hole of the first upper die to tightly press the third upper die; and after the upper die is integrally assembled, pressing the outer circle step of the first upper die by using a pressure plate, and fastening the outer circle step of the first upper die to the upper die base by using a bolt.
The split lower die is formed by assembling a fourth lower die, a first lower die and a third lower die, the third lower die and the first lower die are in small-gap fit, the third lower die is placed into an inner hole of the first lower die during assembly, and after the assembly is finished, the upper plane and the lower plane of the third lower die are flush with each other; the first lower die is provided with a sub-opening which is assembled with the step of the first lower die in a matching way; the fourth lower die is provided with a seam allowance which is matched and assembled with the boss of the first lower die, and meanwhile, the third lower die is pressed tightly; after the whole lower die is assembled, the fourth lower die and the lower die base are firmly connected through bolts, so that the split lower die is integrally fastened. The inner hole of the fourth lower die, the upper plane and the inner hole of the third lower die form a forming surface of the outer circle and the lower end surface of the forging disc part.
The utility model discloses in to the description of the direction and the relative position relation of structure, about all around description about, do not constitute right the utility model discloses a restriction only is the description convenient.
Claims (6)
1. The device for forming the automatic die forging line of the shaft forging is characterized by comprising a split upper die (1) device and a split lower die (2) device;
the split upper die (1) device comprises a first upper die (11), a second upper die (12) and a third upper die (13), the first upper die (11) is sleeved with the second upper die (12) and the third upper die (13) in sequence, the outer ring of the first upper die (11) is provided with a fixed press ring (3) matched with the first upper die,
the split lower die (2) device comprises a first lower die (21), a second lower die (22), a third lower die (23) and a fourth lower die (24), wherein the second lower die (22) is arranged on the first lower die (21), the third lower die (23) is sleeved on the second lower die (22), and the fourth lower die (24) is arranged on the second lower die (22) and the third lower die (23).
2. The automatic die forging line forming device for shaft forgings according to claim 1, wherein the third upper die (13) is provided with a flange adapted to the first upper die (11).
3. The automatic die forging line forming device for shaft forgings according to claim 2, wherein the bottom surface of the second upper die (12) is provided with an upper die water groove (4).
4. The automatic die forging line forming device for the shaft forgings according to the claim 1, wherein the third lower die (23) and the fourth lower die (24) are provided with adaptive concave-convex rings.
5. The automatic die forging line forming device for the shaft forgings according to the claim 1 or 4, wherein the second lower die (22), the fourth lower die (24) and the first lower die (21) are provided with adaptive concave-convex rings.
6. The automatic die forging line forming device for shaft forgings according to claim 5, wherein the first lower die (21) is provided with a lower die water tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220984649.1U CN217595796U (en) | 2022-04-26 | 2022-04-26 | Automatic die forging line forming device for shaft forgings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220984649.1U CN217595796U (en) | 2022-04-26 | 2022-04-26 | Automatic die forging line forming device for shaft forgings |
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| CN217595796U true CN217595796U (en) | 2022-10-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815423A (en) * | 2022-10-31 | 2023-03-21 | 江苏理研科技股份有限公司 | Split type preforming mould |
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2022
- 2022-04-26 CN CN202220984649.1U patent/CN217595796U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815423A (en) * | 2022-10-31 | 2023-03-21 | 江苏理研科技股份有限公司 | Split type preforming mould |
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