CN220862624U - Crankshaft die structure with optimal design - Google Patents
Crankshaft die structure with optimal design Download PDFInfo
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- CN220862624U CN220862624U CN202322447203.2U CN202322447203U CN220862624U CN 220862624 U CN220862624 U CN 220862624U CN 202322447203 U CN202322447203 U CN 202322447203U CN 220862624 U CN220862624 U CN 220862624U
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- mould
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- 238000013461 design Methods 0.000 title claims description 10
- 238000003860 storage Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 13
- 238000005242 forging Methods 0.000 abstract description 23
- 238000003754 machining Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 7
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an optimally designed crankshaft mold structure, which belongs to the technical field of molds and comprises a lower mold, wherein an upper mold is arranged at the upper end of the lower mold, a cavity is arranged between the lower mold and the upper mold, a storage bin is arranged at the root of the cavity, a bin part is arranged at the upper end of the lower mold, a bridge part is symmetrically arranged in the bin part, and positioning holes are symmetrically arranged at the two ends of the bin part; according to the utility model, the open bin part and the bin part processing discharge hole are arranged, so that the strength of the cavity for resisting impact force is increased, the service life of the die is prolonged, the forming effect of the crankshaft is ensured, and the working quality is improved; the method has the advantages that the storage bin is added to the round corners at the root parts of the cavities, so that the forging allowance of the crank parts of the crankshafts is reduced, the fullness of sharp corners of the crank parts of the crankshafts is ensured, the feeding of forgings and the subsequent machining time are greatly reduced, the cost is saved, the production quality of the crankshafts is improved, and the product qualification rate is ensured.
Description
Technical Field
The utility model belongs to the technical field of dies, and particularly relates to an optimally designed crankshaft die structure.
Background
The crankshaft is the most important component in an engine. The engine is used for bearing the force transmitted by the connecting rod, converting the force into torque, outputting the torque through the crankshaft and driving other accessories on the engine to work. The technical parameters such as strength, rigidity, wear resistance and the like of the crankshaft have high requirements, so the forging of the crankshaft is completed by adopting die forging by a method capable of ensuring continuity of forging fibers of the crankshaft.
The prior art has the following problems:
For the die design of a large-scale crankshaft, as the resistance of a forging die cavity to deformed metal and the cavity is deeper, the crank sharp corner part of the crankshaft is not easy to be filled, and according to the die design method in the prior art, the forging machining allowance of the crank part of the crankshaft needs to be increased to ensure the fullness of a forging; however, the mode of increasing the forging allowance of the crank part of the crankshaft not only increases the feeding cost and the working hour of subsequent machining and greatly improves the production and manufacturing cost, but also has a certain influence on the service life of the die due to the overlarge raw materials of the crank part and the forging pressure.
Disclosure of utility model
To solve the problems set forth in the background art. The utility model provides an optimally designed crankshaft mold structure, which has the characteristics of protecting a cavity, prolonging the service life of a mold, reducing the feeding weight of a forging piece and ensuring the fullness of a sharp corner part of a crankshaft crank.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an optimal design's bent axle mould structure, includes the lower mould, the upper end of lower mould is provided with the mould, is provided with the die cavity between lower mould and the last mould, and the root of die cavity is provided with the storage silo, and the upper end of lower mould is provided with storehouse portion, and the inside symmetry of storehouse portion is provided with bridge portion, and the both ends symmetry of storehouse portion is provided with the locating hole.
Further in the present utility model; and storage bins are arranged at the root fillet parts of the cavity in the lower die and the upper die.
Further in the present utility model; the bin part is of an open design, and one side of the surface of the bin part is provided with a discharge hole.
Further in the present utility model; transverse grooves are formed in two sides of the inner portion of the lower die, and positioning grooves are formed in the bottom end of the lower die.
Further in the present utility model; the bin parts on the surfaces of the lower die and the upper die are positioned on the same horizontal line and are tightly attached when being assembled.
Further in the present utility model; the storage bin is of a U-shaped structure, and the inclination between the storage bin and the cavity is 1-5 degrees.
Further in the present utility model; the horizontal groove is internally provided with an installation cavity, the inside symmetry of the installation cavity is provided with the telescopic link, the surface of telescopic link is cup jointed and is provided with spacing spring, the upper end of telescopic link is provided with the mounting panel, the upper end of mounting panel is provided with positioning fixture block.
Further in the present utility model; the upper end of the mounting cavity is provided with a limit stop corresponding to the mounting plate, and the mounting plate and the positioning fixture block are of an integrated structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the open bin part and the bin part processing discharge hole are arranged, so that the strength of the cavity for resisting impact force is increased, the service life of the die is prolonged, the forming effect of the crankshaft is ensured, and the working quality is improved; the method has the advantages that the storage bin is added to the round corners at the root parts of the cavities, so that the forging allowance of the crank parts of the crankshafts is reduced, the fullness of sharp corners of the crank parts of the crankshafts is ensured, the feeding of forgings and the subsequent machining time are greatly reduced, the cost is saved, the production quality of the crankshafts is improved, and the product qualification rate is ensured.
2. The lower die can limit and fix the pressing plate in the lower die through the positioning clamping blocks during installation, so that the loosening of the pressing plate in the working process is prevented, the stability of equipment use is improved, the working quality is ensured, and the product qualification rate is improved.
Drawings
FIG. 1 is a schematic view of a lower die structure of the present utility model;
FIG. 2 is a cross-sectional view of the assembled structure of the crankshaft mold of the present utility model;
FIG. 3 is a schematic diagram of a crankshaft forging structure of the present utility model.
Fig. 4 is a schematic structural view of a positioning device according to the present utility model.
In the figure: 1. a lower die; 2. positioning holes; 3. a bridge portion; 4. a bin portion; 5. a cavity; 6. a storage bin; 7. a discharge hole; 8. an upper die; 9. positioning a clamping block; 10. a mounting plate; 11. a limit spring; 12. a telescopic rod; 13. a mounting cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides an optimal design's bent axle mould structure, includes lower mould 1, and the upper end of lower mould 1 is provided with mould 8, is provided with die cavity 5 between lower mould 1 and the last mould 8, and the root of die cavity 5 is provided with storage silo 6, and the upper end of lower mould 1 is provided with storehouse portion 4, and the inside symmetry of storehouse portion 4 is provided with bridge portion 3, and the both ends symmetry of storehouse portion 4 is provided with locating hole 2.
Specifically, the round corner portions of the root parts of the cavities 5 in the lower die 1 and the upper die 8 are provided with storage bins 6.
By adopting the technical scheme, when the die cavity 5 is filled with the forging piece, the forging allowance of the crank part of the crankshaft is reduced, the fullness of the sharp angle of the crank part of the crankshaft is ensured, and therefore the feeding and subsequent machining working time of the forging piece are greatly reduced, and the cost is saved.
Specifically, the bin portion 4 is of an open design, and a discharge hole 7 is formed in one side of the surface of the bin portion 4.
By adopting the technical scheme, the strength of the cavity 5 for resisting impact force is increased, and the service life of the die is prolonged.
Specifically, the inside both sides of lower mould 1 are provided with the transverse groove, and the bottom of lower mould 1 is provided with the constant head tank.
By adopting the technical scheme, the stability of equipment use is guaranteed, the efficiency of installation is improved, and human resources are saved.
Specifically, the bin parts 4 on the surfaces of the lower die 1 and the upper die 8 are positioned on the same horizontal line and closely fit when assembled.
Through adopting above-mentioned technical scheme, ensure that the mould uses stably, prevent the condition that the forging misplacement appears, guarantee the result of use of equipment, improve production quality.
Specifically, the storage bin 6 is of a U-shaped structure, and the inclination between the storage bin 6 and the cavity 5 is 1-5 degrees.
By adopting the technical scheme, the convenience of filling the blank into the storage bin 6 is ensured, and the fullness of the sharp angle of the crank part of the crankshaft is further ensured.
Specifically, the inside installation cavity 13 that is provided with of transverse groove, the inside symmetry of installation cavity 13 is provided with telescopic link 12, and telescopic link 12's surface cup joints and is provided with spacing spring 11, and telescopic link 12's upper end is provided with mounting panel 10, and mounting panel 10's upper end is provided with location fixture block 9.
Through adopting above-mentioned technical scheme, when lower mould 1 installs, earlier with the constant head tank and the corresponding installation of location key of its bottom, then through at the horizontal groove internally mounted clamp plate of lower mould 1, when the clamp plate installation, the 9 atress of location fixture block makes mounting panel 10 move down, limit spring 11 compression and telescopic link 12 shrink simultaneously, after the clamp plate is installed in place, limit spring 11 resets and makes location fixture block 9 pop out installation cavity 13, so as to carry out spacing installation to the clamp plate, prevent that the clamp plate breaks away from, the stability of lower mould 1 use is improved, and work quality is improved.
Specifically, the upper end of the mounting cavity 13 is provided with a limit stop corresponding to the mounting plate 10, and the mounting plate 10 and the positioning fixture block 9 are of an integrated structure.
Through adopting above-mentioned technical scheme, guarantee the use intensity of mounting panel 10 and location fixture block 9, improve the stability of location.
The working principle and the using flow of the utility model are as follows: when the crankshaft forging die is used, the lower die 1 and the upper die 8 are required to be adopted for shaping during crankshaft forging production, when the lower die 1 is installed, the positioning groove at the bottom end of the lower die is installed corresponding to the positioning key, then the pressing plate is installed in the transverse groove of the lower die 1, the positioning clamping block 9 is stressed to enable the mounting plate 10 to move downwards during pressing plate installation, meanwhile, the limiting spring 11 is compressed and the telescopic rod 12 is contracted, and after the pressing plate is installed in place, the limiting spring 11 is reset to enable the positioning clamping block 9 to pop out of the mounting cavity 13 so as to limit the pressing plate, prevent the pressing plate from being separated, improve the use stability of the lower die 1 and improve the working quality;
after the lower die 1 and the upper die 8 are assembled, after blanks are placed above the lower die 1, the blanks are extruded and formed by the upper die 8 and the lower die 1, and due to the storage bin 6, when the die cavity 5 is filled with a forging piece, the forging allowance of a crank part of a crankshaft is reduced, the fullness of sharp corners of the crank part of the crankshaft is ensured, so that the feeding of the forging piece and the subsequent machining time are greatly reduced, the cost is saved, a discharge hole 7 is formed so that redundant burrs flow out, the forming quality of the crankshaft is improved, and the service life of equipment is prolonged.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an optimal design's bent axle mould structure, includes lower mould, its characterized in that: the upper end of lower mould is provided with the mould, is provided with the die cavity between lower mould and the last mould, and the root of die cavity is provided with the storage silo, and the upper end of lower mould is provided with the storehouse portion, and the inside symmetry of storehouse portion is provided with the bridge portion, and the both ends symmetry of storehouse portion is provided with the locating hole.
2. The optimally designed crankshaft mold structure of claim 1, wherein: and storage bins are arranged at the root fillet parts of the cavity in the lower die and the upper die.
3. The optimally designed crankshaft mold structure of claim 1, wherein: the bin part is of an open design, and one side of the surface of the bin part is provided with a discharge hole.
4. The optimally designed crankshaft mold structure of claim 1, wherein: transverse grooves are formed in two sides of the inner portion of the lower die, and positioning grooves are formed in the bottom end of the lower die.
5. The optimally designed crankshaft mold structure of claim 1, wherein: the bin parts on the surfaces of the lower die and the upper die are positioned on the same horizontal line and are tightly attached when being assembled.
6. The optimally designed crankshaft mold structure of claim 1, wherein: the storage bin is of a U-shaped structure, and the inclination between the storage bin and the cavity is 1-5 degrees.
7. The optimally designed crankshaft mold structure of claim 4 wherein: the horizontal groove is internally provided with an installation cavity, the inside symmetry of the installation cavity is provided with the telescopic link, the surface of telescopic link is cup jointed and is provided with spacing spring, the upper end of telescopic link is provided with the mounting panel, the upper end of mounting panel is provided with positioning fixture block.
8. The optimally designed crankshaft mold structure of claim 7 wherein: the upper end of the mounting cavity is provided with a limit stop corresponding to the mounting plate, and the mounting plate and the positioning fixture block are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447203.2U CN220862624U (en) | 2023-09-08 | 2023-09-08 | Crankshaft die structure with optimal design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447203.2U CN220862624U (en) | 2023-09-08 | 2023-09-08 | Crankshaft die structure with optimal design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220862624U true CN220862624U (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322447203.2U Active CN220862624U (en) | 2023-09-08 | 2023-09-08 | Crankshaft die structure with optimal design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220862624U (en) |
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2023
- 2023-09-08 CN CN202322447203.2U patent/CN220862624U/en active Active
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