CN219986107U - Hub forging die convenient to demolding - Google Patents
Hub forging die convenient to demolding Download PDFInfo
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- CN219986107U CN219986107U CN202320803544.6U CN202320803544U CN219986107U CN 219986107 U CN219986107 U CN 219986107U CN 202320803544 U CN202320803544 U CN 202320803544U CN 219986107 U CN219986107 U CN 219986107U
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- 238000005242 forging Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model relates to the technical field of dies and discloses a hub forging die convenient to demolding, which comprises an upper die and a lower die, wherein the upper die comprises an upper die core, the lower die comprises a lower die plate, a lower die core fixedly arranged on the lower die plate and a lower die assembly sleeved outside the lower die core, the lower die assembly comprises a fixed ring fixedly sleeved outside the lower die core and a plurality of lower die modules which are positioned between the lower die core and the fixed ring and can be synchronously close to or far away from the lower die core, a driving module which can be inserted into a gap between the lower die module and the fixed ring and drive the lower die to be close to the lower die core when the upper die and the lower die are clamped is arranged outside the upper die core, a circular closed loop can be formed when the lower die modules are mutually close, at this moment, a forging die cavity is formed among the upper die core, the lower die core and the lower die, and a traction part which drives the lower die to be mutually far away when the upper die and the lower die are opened is arranged on the lower die, and the lower die can be easily taken out after the forging is completed.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a hub forging die with a theme name convenient to demold.
Background
The hub forging in the prior art is a hub manufactured by forging, and the hub manufactured by the forging can remove air holes and cracks to the greatest extent.
Chinese patent publication No. CN206028627U discloses a hub forging die, including upper die and lower die, the lower die includes the lower bolster, the lower die body, lower mold core and lower die ejector, the lower mold core passes the second countersink through the second countersink and locks on the lower bolster after, the lower die body passes the third countersink through the lower bolster after locking on the lower bolster, and with the inseparable pressfitting of base portion of lower mold core, form the annular ring chamber of round between the forging core of lower mold core and the lower die body, and be formed with annular mold insert in the concave annular groove of concave ring down along the chamber wall in ring chamber down on the base portion, the annular mold insert locks in concave annular groove after passing first countersink through the bottom surface of base portion still is provided with three evenly around concave annular groove interval setting's unsealed screw hole, in particular forging time, put the blank on the lower die, then the upper die blank extrudeed and make the blank in the die cavity that forms by upper die and lower die, after the forging is accomplished, upper die and lower die blank will be ejected by the ejector lower die ejector.
This mechanism has the following disadvantages: the lower die body is integrally arranged, the hub can be clamped in the lower die body in an interference manner after hub forging is completed, and the hub in the lower die body is ejected out by the lower die ejector at the moment, but in the process, the hub is still in a cooling stage, so that the hub can be deformed in the process of lifting the lower die ejector, and the production cost is increased.
Disclosure of Invention
The utility model provides a hub forging die convenient for demoulding, aiming at the defect that a hub top is possibly deformed when a lower die ejection mechanism is lifted when a lower die body is integrally provided with a demoulding in the prior art.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
the utility model provides a wheel hub forges mould convenient to drawing of patterns, includes mould and lower mould, goes up the mould and includes the mould core, and the lower mould includes the lower bolster, fixed lower mould core and the cover that sets up on the lower bolster locate the outer lower mould module of lower mould core, lower module includes a fixed cover and establishes the solid fixed ring outside the lower mould core and be located between lower mould core and the solid fixed ring can be close to or keep away from a plurality of lower mould core simultaneously the clearance between lower mould and the solid fixed ring is provided with on last mould outside last mould core when last mould and lower mould compound die and drive the lower mould and be close to the drive module of lower mould core, works as can form a circular closed loop when the lower mould is close to each other, is formed with forging die cavity between last mould core, lower mould core and the lower mould at this moment, is provided with the traction portion that drives down the mould and keep away from each other when last mould and lower mould die are opened.
By adopting the scheme, during forging, the upper mold core descends to drive the driving module arranged on the upper mold core to enable the driving module to be inserted between the lower module and the fixed ring, so that the lower module is driven to be close to the lower mold core, a plurality of lower mold cores are mutually close to form a circular closed loop, a forging mold cavity is formed among the upper mold core, the lower mold core and the lower module, after forging is completed, the upper mold core ascends, so that the driving module arranged outside the upper mold core is driven to synchronously ascend, the driving module is separated from between the lower module and the fixed ring, and at the moment, the lower module is driven by the traction part to be far away from the lower mold core, and at the moment, the material in the forging mold cavity can be easily taken out.
Preferably, the pulling part comprises a horizontally arranged tension spring, and two ends of the tension spring are respectively connected with the inner wall of the fixed ring and the outer wall of the lower module.
By adopting the scheme, when the driving module is separated from the space between the lower module and the fixed ring, the lower module is pulled back through the tension springs of which the two ends are respectively connected with the inner wall of the fixed ring and the outer wall of the lower module, so that the lower module is far away from the lower mold core, and materials in the forging mold cavity can be taken out easily.
Preferably, the tension spring is arranged in the middle of the lower module.
By adopting the scheme, the tension spring is arranged in the middle of the lower module, so that the tension spring can apply force to the center of the lower module when the lower module is pulled, and the possibility of deflection of the tension spring is reduced.
Preferably, a sliding groove with the same position and direction as the tension spring is arranged on the lower die plate, a sliding block is arranged in the sliding groove, and the upper surface of the sliding block is connected with the lower surface of the lower die block.
By adopting the scheme, when the lower module is pulled back, the sliding block arranged on the lower surface of the lower module can move in the sliding groove, and at the moment, the sliding groove can play a guiding role to prevent the lower module from shifting during the pulling back.
Preferably, the driving module comprises a plurality of driving blocks with the same number as the lower modules, the driving blocks are positioned between the two lower modules and block the joint of the lower modules when descending, and gaps for the tension springs to pass through exist between the driving blocks.
By adopting the scheme, the driving blocks which are positioned between the two lower modules after descending and block the joint of the lower modules are inserted between the fixed ring and the lower modules, so that the plurality of lower modules are driven to be mutually close until a circular closed loop is formed, and the influence of the tension springs on the driving blocks when the driving blocks descend can be avoided by the gaps between the driving blocks.
Preferably, the driving module is a driving ring, and the lower end of the driving ring is circumferentially provided with a recess at intervals for the tension spring to pass through.
By adopting the scheme, the driving ring is inserted between the fixed ring and the lower module, so that the lower modules are driven to be mutually close until a circular closed loop is formed, materials can be forged in the circular closed loop, and the avoidance groove arranged on the driving ring can play a role in avoiding the descending process of the driving ring, so that the tension spring cannot influence the descending process of the driving ring.
Preferably, the lower end of the driving module is provided with an introduction inclined plane which is convenient for the driving module to be inserted between the lower module and the fixed ring.
By adopting the scheme, the driving module can conveniently enter between the fixed ring and the lower module when descending through the guide-in inclined plane arranged below the driving module, so that the lower module can be driven to be mutually close to form a circular closed loop.
Preferably, the outer wall of the lower module is inclined outwards from top to bottom, and the inner wall of the driving module is inclined in the same direction from top to bottom.
By adopting the scheme, the lower module and the driving module are arranged to incline outwards from top to bottom, so that the lower module can be better pressed after descending, and the lower mould cores are close to each other, so that a plurality of lower mould cores can be combined to form a circular closed loop.
The utility model has the remarkable technical effects due to the adoption of the technical scheme: when forging, the upper mold core descends to drive the driving module arranged on the upper mold core to enable the driving module to be inserted between the lower module and the fixed ring, so that the lower module is driven to be close to the lower mold core, a plurality of lower mold cores are mutually close to form a circular closed loop, so that a forging mold cavity is formed among the upper mold core, the lower mold core and the lower module, after forging is finished, the upper mold core ascends, so that the driving module arranged outside the upper mold core is driven to ascend synchronously, the driving module is separated from between the lower module and the fixed ring, the lower module is driven by the traction part to be far away from the lower mold core, and at the moment, materials in the forging mold cavity can be taken out easily.
Drawings
FIG. 1 is a front view of a hub forging die for facilitating demolding in accordance with embodiment 1;
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is a top view of a hub forging die for facilitating demolding in accordance with example 1;
FIG. 4 is an enlarged view of B in FIG. 3;
FIG. 5 is an isometric view of a lower die of an embodiment;
FIG. 6 is an isometric view of the upper die of example 1;
fig. 7 is an isometric view of the upper die of this example 2.
The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: 1. a lower template; 2. a lower mold core; 3. an upper mold core; 4. a fixing ring; 5. a lower module; 601. a driving block; 602. a drive ring; 7. a tension spring; 8. an introduction slope; 9. an avoidance groove; 10. forging a die cavity; 11. a chute; 12. a sliding block.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Example 1
1-2, the design of hub forging mould convenient to drawing of patterns, including last mould and lower mould, the last mould includes mold core 3, the lower mould includes lower bolster 1, the outer wall of lower bolster 5 is the trend of outside slope from top to bottom, the inner wall of drive module is the same trend of slope from top to bottom, the fixed lower mold core 2 that sets up on lower bolster 1 and the lower mould subassembly of cover outside lower mold core 2, lower mould subassembly includes a fixed cover and establishes the solid fixed ring 4 outside lower mold core 2 and a plurality of lower bolster 5 that are located between lower mold core 2 and the solid fixed ring 4 and can be close to or keep away from lower mold core 2 in step, be provided with on the upper mould outside upper mold core 3 and can insert the clearance between lower bolster 5 and the solid fixed ring 4 and drive down the drive module 5 and be close to lower mold core 2 when lower bolster 5 is close to each other, at this moment, be formed with die cavity 10 between upper mold core 3, lower mold core 2 and lower bolster 5, be provided with on the lower mould and drive down the pulling portion of mould 5 and keep away from each other when mould is opened.
Referring to fig. 3-5, the pulling part includes a horizontally arranged tension spring 7, two ends of the tension spring 7 are respectively connected with the inner wall of the fixed ring 4 and the outer wall of the lower module 5, the tension spring 7 is arranged in the middle of the lower module 5, a sliding groove 11 consistent with the position and the direction of the tension spring 7 is arranged on the lower template 1, a sliding block 12 is arranged in the sliding groove 11, the upper surface of the sliding block 12 is connected with the lower surface of the lower module 5, when the lower module 5 is pulled back, the sliding block 12 arranged on the lower surface of the lower module 5 moves in the sliding groove 11, and at the moment, the sliding groove 11 plays a guiding role to prevent the lower module 5 from shifting during the back pulling.
Referring to fig. 6, the driving module includes a plurality of driving blocks 601 with the same number as the lower modules 5, the driving blocks 601 are located between the two lower modules 5 and block the joint of the lower modules 5 when descending, a gap for the tension spring 7 to pass through is formed between the driving blocks 601, the lower end of the driving block 601 is provided with an introducing inclined plane 8 which is convenient for the driving block 601 to be inserted between the lower modules 5 and the fixed ring 4, and the driving block 601 can be more easily introduced between the fixed ring 4 and the lower modules 5 in the descending process through the arranged introducing inclined plane 8, so that the driving block 601 can drive the lower modules 5 to approach the lower mold cores 2, so that the driving block can be combined into a circular closed loop, and at the moment, materials can be put into the driving block to forge.
The specific process comprises the following steps: during forging, the upper mold core 3 descends to drive the driving block 601 arranged on the upper mold core 3 to be inserted between the lower mold core 5 and the fixed ring 4, so that the lower mold core 2 of the lower mold core 5 is driven to approach until a plurality of lower mold cores 5 are combined to form a circular closed loop, a forging mold cavity 10 is formed among the upper mold core 3, the lower mold core 2 and the lower mold core 5, after forging is finished, the upper mold core 3 ascends, so that the driving block 601 arranged outside the upper mold core 3 is driven to ascend synchronously, the driving block 601 is separated from between the lower mold core 5 and the fixed ring 4, at the moment, the lower mold core 5 is driven by the tension spring 7 to be far away from the lower mold core 2, and the lower mold core 5 is far away from a hub in the forging mold cavity 10, so that the hub can be more accommodated and taken out from the forging cavity.
Example 2
Referring to fig. 7, unlike embodiment 1, the driving module is a driving ring 602, the lower end of the driving ring 602 is circumferentially recessed with a recess 9 for the tension spring 7 to pass through, and the driving ring 602 is inserted between the fixing ring 4 and the lower module 5, so as to drive the plurality of lower modules 5 to approach each other until forming a circular closed loop, so that the material can be forged therein, the recess 9 provided on the driving ring 602 can play a role of avoiding the driving ring 602 in the descending process, so that the tension spring 7 cannot be influenced in the descending process of the driving ring 602, and when the forging is completed, the upper die core 3 is lifted to drive the driving ring 602 to synchronously lift, so that the lower modules 5 are pulled back under the driving of the tension spring 7, so that the lower modules 5 are far away from the hub in the forging die cavity 10, and the hub can be more easily taken out from the forging die cavity 10.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (8)
1. The utility model provides a wheel hub forges mould convenient to drawing of patterns, includes mould and lower mould, goes up the mould and includes mould core (3), and the lower mould includes lower bolster (1), fixes lower mould core (2) and the cover that set up on lower bolster (1) and locates lower mould subassembly outside lower mould core (2), its characterized in that: the lower die assembly comprises a fixed ring (4) fixedly sleeved outside a lower die core (2) and a plurality of lower die blocks (5) which are positioned between the lower die core (2) and the fixed ring (4) and can be synchronously close to or far away from the lower die core (2), a gap which can be inserted between the lower die blocks (5) and the fixed ring (4) and drive the lower die blocks (5) to be close to the lower die core (2) when the upper die and the lower die are clamped is arranged outside an upper die core (3), a circular closed loop can be formed when the lower die blocks (5) are mutually close to each other, at this time, a forging die cavity (10) is formed among the upper die core (3), the lower die core (2) and the lower die blocks (5), and a pulling part which can drive the lower die blocks (5) to be far away from each other when the upper die and the lower die are opened is arranged on the lower die.
2. A hub forging die facilitating demolding as set forth in claim 1, wherein: the traction part comprises a tension spring (7) which is horizontally arranged, and two ends of the tension spring (7) are respectively connected with the inner wall of the fixed ring (4) and the outer wall of the lower module (5).
3. A hub forging die facilitating demolding as set forth in claim 2, wherein: the tension spring (7) is arranged in the middle of the lower module (5).
4. A hub forging die facilitating demolding as set forth in claim 3, wherein: a sliding groove (11) with the same position and direction as those of the tension spring (7) is arranged on the lower die plate (1), a sliding block (12) is arranged in the sliding groove (11), and the upper surface of the sliding block (12) is connected with the lower surface of the lower die plate (5).
5. A hub forging die facilitating demolding as set forth in claim 3, wherein: the driving module comprises a plurality of driving blocks (601) which are consistent with the lower modules (5) in number, the driving blocks (601) are positioned between the two lower modules (5) and block the joint of the lower modules (5) when descending, and gaps for the tension springs (7) to pass through exist between the driving blocks (601).
6. A hub forging die facilitating demolding as set forth in claim 3, wherein: the driving module is a driving ring (602), and avoidance grooves (9) through which the tension springs (7) can pass are formed in the circumferential interval of the lower end of the driving ring (602).
7. A hub forging die facilitating demolding as set forth in claim 1, wherein: the lower end of the driving module is provided with an introduction inclined plane (8) which is convenient for the driving module to be inserted between the lower module (5) and the fixed ring (4).
8. A hub forging die facilitating demolding as set forth in claim 1, wherein: the outer wall of the lower module (5) is inclined outwards from top to bottom, and the inner wall of the driving module is inclined in the same way from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320803544.6U CN219986107U (en) | 2023-04-06 | 2023-04-06 | Hub forging die convenient to demolding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320803544.6U CN219986107U (en) | 2023-04-06 | 2023-04-06 | Hub forging die convenient to demolding |
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| Publication Number | Publication Date |
|---|---|
| CN219986107U true CN219986107U (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320803544.6U Active CN219986107U (en) | 2023-04-06 | 2023-04-06 | Hub forging die convenient to demolding |
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| CN (1) | CN219986107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117428138A (en) * | 2023-12-20 | 2024-01-23 | 山西金石锻造股份有限公司 | Left and right body forging die and device and forging method thereof |
-
2023
- 2023-04-06 CN CN202320803544.6U patent/CN219986107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117428138A (en) * | 2023-12-20 | 2024-01-23 | 山西金石锻造股份有限公司 | Left and right body forging die and device and forging method thereof |
| CN117428138B (en) * | 2023-12-20 | 2024-02-23 | 山西金石锻造股份有限公司 | Left and right body forging die and device and forging method thereof |
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