CN220636311U - Novel structure die for powder metallurgy of helical gear - Google Patents
Novel structure die for powder metallurgy of helical gear Download PDFInfo
- Publication number
- CN220636311U CN220636311U CN202322326848.0U CN202322326848U CN220636311U CN 220636311 U CN220636311 U CN 220636311U CN 202322326848 U CN202322326848 U CN 202322326848U CN 220636311 U CN220636311 U CN 220636311U
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- die
- fixedly connected
- telescopic rod
- hydraulic telescopic
- powder metallurgy
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 18
- 238000004080 punching Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 14
- 239000002184 metal Substances 0.000 abstract description 13
- 230000003993 interaction Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Powder Metallurgy (AREA)
Abstract
The utility model discloses a novel structure die for powder metallurgy of a bevel gear, and particularly relates to the technical field of production of bevel gears, which comprises a bottom plate, wherein a clamping groove is formed in the bottom of the bottom plate, a first hydraulic telescopic rod is fixedly connected to the bottom of the clamping groove, a bottom die is fixedly connected to the top of the first hydraulic telescopic rod, the outer wall of the bottom die is fixedly connected with the inner wall of the clamping groove, a through hole is formed in the top of the bottom die, a jacking column is movably connected inside the through hole, a jacking die is arranged at the top of the jacking column, first inner cavities are respectively formed in the jacking die and the bottom die, and a tooth withdrawing mechanism is arranged in the first inner cavities. According to the utility model, the tooth withdrawing mechanism is arranged, the third hydraulic telescopic rod is started again to enable the compression rod to enter the stamping space to extrude metal powder for a long time for forming, then the second hydraulic telescopic rod is started to shrink, the second hydraulic telescopic rod is utilized to drive the movable tooth to move, so that the movable tooth is separated from the model, and the problem that the demolding is difficult due to the fact that interaction force is generated between the gear tooth and the mold during demolding is avoided.
Description
Technical Field
The utility model relates to the technical field of bevel gear production, in particular to a novel structure die for powder metallurgy of a bevel gear.
Background
The working principle of the forming press is that metal powder or powder mixture is filled into a steel pressing die (female die), the powder is pressurized through a die punch, and after pressure relief, the pressed compact is separated from the female die to complete the forming process, so that the production mode is limited to a straight-up and straight-down die structure at present, the traditional design concept cannot be realized for helical gears with spiral teeth at the outer side, and a novel design thought needs to be innovated.
Chinese patent discloses a new structure mould (CN 214640286U) of helical gear powder metallurgy, it is through the die cavity of last mould decline entering well mould after, in last mould pushes down the in-process, the helical tooth in the die cavity restrains the last mould and makes 45 rotatory actions, after the product shaping in the die cavity, equipment cam drives last mould return in-process, the last mould is restrained under the helical tooth of die cavity again, the elasticity that is produced by high strength first reset spring forces the bearing to drive last mould to the home position, with this circulation, accomplish press forming, because of the transition of suppression mode, the mould card mould has effectively been avoided, the mould life-span has been improved, but in the use, when making is accomplished, because helical gear end tooth is the slope design, need make the mould rise on one side of autorotation during the drawing of patterns, but the speed of autorotation is not too fast, otherwise all mould and model cause the damage, so make the drawing of patterns speed slow can not reduce manufacturing time.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a novel structure die for powder metallurgy of a bevel gear, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel structure die for powder metallurgy of the helical gear comprises a bottom plate, wherein a clamping groove is formed in the bottom of the bottom plate, a first hydraulic telescopic rod is fixedly connected to the bottom of the clamping groove, a bottom die is fixedly connected to the top of the first hydraulic telescopic rod, the outer wall of the bottom die is fixedly connected with the inner wall of the clamping groove, a through hole is formed in the top of the bottom die, a jacking column is movably connected inside the through hole, a jacking die is arranged at the top of the jacking column, first inner cavities are formed in the jacking die and the bottom die, and a tooth withdrawing mechanism is arranged inside the first inner cavities;
the tooth withdrawing mechanism comprises a second hydraulic telescopic rod, one end of the second hydraulic telescopic rod is fixedly connected with a movable tooth, the movable tooth is movably connected with a first inner cavity, a second inner cavity is formed in the bottom of the first inner cavity, the second inner cavity is in through connection with the first inner cavity, a sliding block is connected with a first sliding block in the second inner cavity, the top of the sliding block is fixedly connected with the bottom of the movable tooth, the movable tooth is separated from a model by utilizing the tooth withdrawing mechanism, interaction force generated between a tooth and a die is avoided during demolding to enable demolding to be difficult, and demolding time is shortened.
As a further description of the above technical solution:
the top die bottom is provided with a groove, the top die top is provided with two punching holes, one side of each punching hole is provided with a connecting rod, the connecting rod is fixedly connected with the top die, the top of the connecting rod is provided with a pressing plate, the bottom of the pressing plate is fixedly connected with two pressing rods, one side of each pressing rod is provided with a limiting hole, and metal powder is punched through each punching hole.
As a further description of the above technical solution:
the first sliding block in the limiting hole is connected with a limiting block, the connecting rod extends to the inside of the limiting hole to be fixedly connected with the limiting block, and the top die is connected with the pressing plate through the connecting rod.
As a further description of the above technical solution:
the bottom plate top fixedly connected with frame, frame inner wall top fixedly connected with third hydraulic telescoping rod, third hydraulic telescoping rod bottom and clamp plate top fixed connection utilize the pressure of third hydraulic telescoping rod to carry out the punching press.
As a further description of the above technical solution:
the clamping groove is characterized in that electric sliding rails are fixedly connected to two sides of the clamping groove, a second sliding block is slidably connected to the top of each electric sliding rail, and the electric sliding rails are utilized to drive the conveying pipe to move.
As a further description of the above technical solution:
the second slider top fixedly connected with conveying pipeline, conveying pipeline one end link up and is connected with the stub bar, and the metal powder flows out from the stub bar.
As a further description of the above technical solution:
the bottom plate bottom is located four corner position fixedly connected with support columns, support column bottom fixedly connected with protection pad, protection pad protect the support column bottom.
Compared with the prior art, the utility model has the technical effects and advantages that:
the tooth withdrawing mechanism is arranged, the third hydraulic telescopic rod is started again to enable the compression rod to enter the stamping space to extrude metal powder for a long time to be formed, then the second hydraulic telescopic rod is started to shrink, the second hydraulic telescopic rod is utilized to enable the movable teeth to be driven to move, the movable teeth are separated from the model, the problem that the difficulty in demolding is caused by interaction force generated between the gear teeth and the die is avoided during demolding, and the demolding time is shortened;
through setting up top mould and die block, utilize top mould and die block laminating each other, make the space of filling metal powder obtain the restriction, the too much gear that makes of metal that fills when having avoided filling forms too thick, thereby lead to the product unqualified to reduce the waste of metal powder, increased the qualification rate of product simultaneously.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of a mold structure according to the present utility model.
Fig. 3 is an enlarged schematic view of the portion a of fig. 2 according to the present utility model.
Fig. 4 is a schematic perspective view of a bottom die of the present utility model.
The reference numerals are: 1. a bottom plate; 2. a clamping groove; 3. a first hydraulic telescoping rod; 4. a bottom die; 5. a through hole; 6. a top column; 7. a top mold; 8. a first lumen; 9. a second hydraulic telescoping rod; 10. a movable tooth; 11. a second lumen; 12. a first slider; 13. a groove; 14. punching a hole; 15. a connecting rod; 16. a pressing plate; 17. a compression bar; 18. a limiting hole; 19. a limiting block; 20. a frame; 21. a third hydraulic telescoping rod; 22. an electric slide rail; 23. a second slider; 24. a material conveying pipe; 25. a discharge head; 26. a support column; 27. a protective pad;
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.
The novel structure die for helical gear powder metallurgy shown in the attached drawings 1-4 comprises a bottom plate 1, wherein a clamping groove 2 is formed in the bottom of the bottom plate 1, a first hydraulic telescopic rod 3 is fixedly connected to the bottom of the clamping groove 2, a bottom die 4 is fixedly connected to the top of the first hydraulic telescopic rod 3, the outer wall of the bottom die 4 is fixedly connected with the inner wall of the clamping groove 2, a through hole 5 is formed in the top of the bottom die 4, a jacking column 6 is movably connected inside the through hole 5, a jacking die 7 is arranged at the top of the jacking column 6, first inner cavities 8 are respectively formed in the jacking die 7 and the bottom die 4, and a tooth withdrawing mechanism is arranged in the first inner cavities 8;
the tooth withdrawing mechanism comprises a second hydraulic telescopic rod 9, one end of the second hydraulic telescopic rod 9 is fixedly connected with a movable tooth 10, the movable tooth 10 is movably connected with a first inner cavity 8, a second inner cavity 11 is formed in the bottom of the first inner cavity 8, the second inner cavity 11 is in through connection with the first inner cavity 8, a first sliding block 12 in the second inner cavity 11 is connected with a sliding block, the top of the sliding block is fixedly connected with the bottom of the movable tooth 10, the movable tooth 10 is separated from a model by utilizing the tooth withdrawing mechanism, interaction force generated between a tooth and a die is avoided during demolding, so that demolding is difficult, and demolding time is shortened.
In some embodiments, according to the embodiment shown in fig. 2, a groove 13 is formed in the bottom of the top die 7, two punching holes 14 are formed in the top of the top die 7, a connecting rod 15 is arranged on one side of each punching hole 14, the connecting rod 15 is fixedly connected with the top die 7, a pressing plate 16 is arranged on the top of each connecting rod 15, two pressing rods 17 are fixedly connected to the bottom of each pressing plate 16, a limiting hole 18 is formed in one side of each pressing rod 17, and metal powder is punched through each punching hole 14.
In some embodiments, according to the illustration in fig. 2, the first slider 12 inside the limiting hole 18 is connected with a limiting block 19, and the connecting rod 15 extends into the limiting hole 18 to be fixedly connected with the limiting block 19, and connects the top die 7 with the pressing plate 16 by using the connecting rod 15.
In some embodiments, according to the illustration in fig. 1, the top of the base plate 1 is fixedly connected with a frame 20, the top of the inner wall of the frame 20 is fixedly connected with a third hydraulic telescopic rod 21, the bottom of the third hydraulic telescopic rod 21 is fixedly connected with the top of the pressing plate 16, and the pressing is performed by using the pressure of the third hydraulic telescopic rod 21.
In some embodiments, according to the embodiment shown in fig. 1, two sides of the clamping groove 2 are fixedly connected with an electric sliding rail 22, the top of the electric sliding rail 22 is slidably connected with a second sliding block 23, and the electric sliding rail 22 is utilized to drive the conveying pipe 24 to move.
In some embodiments, according to fig. 1, a material conveying pipe 24 is fixedly connected to the top of the second slider 23, one end of the material conveying pipe 24 is connected to a material outlet head 25 in a penetrating manner, and the metal powder flows out from the material outlet head 25.
In some embodiments, according to the embodiment shown in fig. 1, the bottom of the bottom plate 1 is fixedly connected with support columns 26 at four corner positions, the bottoms of the support columns 26 are fixedly connected with protection pads 27, and the protection pads 27 protect the bottoms of the support columns.
The working principle of the utility model is as follows: when the mold is used, firstly, when the third hydraulic telescopic rod 21 moves downwards, the groove 13 at the bottom of the top mold 7 is attached to the top of the mold, then, the electric slide rail 22 is started to move the second slide block 23, the second slide block 23 is used for driving the conveying pipe 24 to move, the conveying pipe 24 is used for moving to align the discharge head 25 with the punching hole 14, then, metal powder is filled into the mold through the punching hole 14, the defect that the metal powder is excessive to cause unqualified gears due to the limitation of the mold is avoided, the waste of materials is caused, after the filling is finished, the third hydraulic telescopic rod 21 is started to enable the compression rod 17 to enter the punching air to extrude and form the metal powder, then, the second hydraulic telescopic rod 9 is started to shrink, the movable tooth 10 is driven to move by the second hydraulic telescopic rod 9, the movable tooth 10 is separated from the mold, the interaction force generated between the tooth and the mold is avoided during demolding, the third hydraulic telescopic rod 21 is started to move upwards, the mold is leaked, finally, the first hydraulic telescopic rod 3 is used for driving the top mold to move upwards, and the top column 6 is used for ejecting the mold.
Claims (7)
1. The utility model provides a novel structure mould of helical gear powder metallurgy, includes bottom plate (1), its characterized in that: the novel hydraulic lifting device is characterized in that a clamping groove (2) is formed in the bottom of the bottom plate (1), a first hydraulic telescopic rod (3) is fixedly connected to the bottom of the clamping groove (2), a bottom die (4) is fixedly connected to the top of the first hydraulic telescopic rod (3), the outer wall of the bottom die (4) is fixedly connected with the inner wall of the clamping groove (2), a through hole (5) is formed in the top of the bottom die (4), a jacking column (6) is movably connected to the inside of the through hole (5), a jacking die (7) is arranged at the top of the jacking column (6), first inner cavities (8) are formed in the jacking die (7) and the bottom die (4), and a tooth withdrawing mechanism is arranged in the first inner cavities (8);
the tooth withdrawing mechanism comprises a second hydraulic telescopic rod (9), one end of the second hydraulic telescopic rod (9) is fixedly connected with a movable tooth (10), the movable tooth (10) is movably connected with a first inner cavity (8), a second inner cavity (11) is formed in the bottom of the first inner cavity (8), the second inner cavity (11) is in through connection with the first inner cavity (8), a first sliding block (12) is arranged in the second inner cavity (11) and is movably connected with the top of the first sliding block (12) and the bottom of the movable tooth (10).
2. The novel helical gear powder metallurgy structure die according to claim 1, wherein: the novel plastic extrusion die is characterized in that the bottom of the top die (7) is provided with a groove (13), the top of the top die (7) is provided with two punching holes (14), one side of each punching hole (14) is provided with a connecting rod (15), the connecting rods (15) are fixedly connected with the top die (7), the top of each connecting rod (15) is provided with a pressing plate (16), the bottom of each pressing plate (16) is fixedly connected with two pressing rods (17), and one side of each pressing rod (17) is provided with a limiting hole (18).
3. A new structure die for powder metallurgy of helical gears according to claim 2, wherein: the first sliding block (12) in the limiting hole (18) is connected with a limiting block (19), and the connecting rod (15) extends to the inside of the limiting hole (18) to be fixedly connected with the limiting block (19).
4. The novel helical gear powder metallurgy structure die according to claim 1, wherein: the bottom plate (1) top fixedly connected with frame (20), frame (20) inner wall top fixedly connected with third hydraulic telescoping rod (21), third hydraulic telescoping rod (21) bottom and clamp plate (16) top fixed connection.
5. The novel helical gear powder metallurgy structure die according to claim 1, wherein: the clamping groove (2) is characterized in that electric sliding rails (22) are fixedly connected to two sides of the clamping groove (2), and a second sliding block (23) is connected to the top of each electric sliding rail (22) in a sliding mode.
6. The novel helical gear powder metallurgy structure die according to claim 5 is characterized in that: the top of the second sliding block (23) is fixedly connected with a conveying pipe (24), and one end of the conveying pipe (24) is connected with a discharge head (25) in a penetrating way.
7. The novel helical gear powder metallurgy structure die according to claim 1, wherein: the bottom of the bottom plate (1) is fixedly connected with support columns (26) at four corner positions, and the bottoms of the support columns (26) are fixedly connected with protection pads (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322326848.0U CN220636311U (en) | 2023-08-28 | 2023-08-28 | Novel structure die for powder metallurgy of helical gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322326848.0U CN220636311U (en) | 2023-08-28 | 2023-08-28 | Novel structure die for powder metallurgy of helical gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220636311U true CN220636311U (en) | 2024-03-22 |
Family
ID=90267147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322326848.0U Active CN220636311U (en) | 2023-08-28 | 2023-08-28 | Novel structure die for powder metallurgy of helical gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220636311U (en) |
-
2023
- 2023-08-28 CN CN202322326848.0U patent/CN220636311U/en active Active
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