CN220591566U - Powder metallurgy die for handle shaft bushing of engine - Google Patents
Powder metallurgy die for handle shaft bushing of engine Download PDFInfo
- Publication number
- CN220591566U CN220591566U CN202322251068.4U CN202322251068U CN220591566U CN 220591566 U CN220591566 U CN 220591566U CN 202322251068 U CN202322251068 U CN 202322251068U CN 220591566 U CN220591566 U CN 220591566U
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- China
- Prior art keywords
- base
- handle shaft
- cavity
- shaft bushing
- push rod
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 abstract description 15
- 239000002184 metal Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
The utility model provides a powder metallurgy die of a handle shaft bushing of an engine, which comprises a base, wherein the bottom of the base is connected with a demoulding device, a cavity is arranged in the upper end of the base, and one end of the demoulding device extends into the cavity; the device comprises a demolding device barrel-shaped push rod, a sliding sealing assembly, an industrial hard spring, a lower connecting plate and a first pneumatic cylinder. The utility model is provided with the demoulding device, the powder is formed by extending the second pneumatic cylinder, in the forming process, the industrial hard spring is pressed to slightly lower the barrel-shaped push rod, when the second pneumatic cylinder is contracted, the industrial hard spring is restored, the barrel-shaped push rod is lifted to drive the formed handle shaft bushing to lift, so that the handle shaft bushing slides with the inner wall of the cavity, and the demoulding is easier to realize; the sliding sealing assembly is arranged, and the barrel-shaped push rod and the cavity are sealed through the sealing ring, so that metal powder cannot enter a gap.
Description
Technical Field
The utility model mainly relates to the technical field of dies, in particular to a powder metallurgy die of a handle shaft bushing of an engine.
Background
Powder metallurgy is a process technology for preparing metal powder or using metal powder (or a mixture of metal powder and non-metal powder) as a raw material and manufacturing metal materials, composite materials and various products through forming and sintering, wherein the forming of a handle shaft bushing of an engine needs to be performed by a die for powder metallurgy;
however, the conventional handle shaft bushing powder metallurgy die directly pushes out the formed handle shaft bushing by adopting a push rod, so that the formed handle shaft bushing is difficult to separate from the inner wall of the cavity in a semi-automatic manner, and the push rod is difficult to demould the handle shaft bushing.
Disclosure of Invention
The utility model mainly provides a powder metallurgy die of a handle shaft bushing of an engine, which is used for solving the technical problems in the background technology.
The technical scheme adopted for solving the technical problems is as follows: the powder metallurgy die of the handle shaft bushing of the engine comprises a base, wherein the bottom of the base is connected with a demolding device, a cavity is formed in the upper end of the base, and one end of the demolding device extends to the inside of the cavity;
the demolding device comprises a barrel-shaped push rod which is connected to the inner wall of the bottom of the cavity in a sliding manner, a sliding sealing assembly which is connected between the barrel-shaped push rod and the inner wall of the bottom of the cavity, an industrial hard spring which is connected to the bottom of the barrel-shaped push rod, a lower connecting plate which is connected to the bottom of the industrial hard spring and a first pneumatic cylinder which is connected to the bottom of the lower connecting plate.
Further, the base top is connected with the upper die body, four vertex angles of the lower surface of the upper die body are provided with first support posts, and the first support posts are connected with the base top.
Further, the lower surface of the upper body of the die is connected with a second pneumatic cylinder, a fixed plate is arranged at the bottom of the second pneumatic cylinder, the bottom of the fixed plate is connected with a pressing block, and a first annular groove is arranged at the bottom of the fixed plate.
Further, the upper surface of the bottom of the base is provided with an annular convex body, the upper surface of the bottom of the base is connected with a buffer device, and the buffer device comprises a spring connected to the upper surface of the bottom of the base and sleeved with the outer wall of the annular convex body and a buffer plate connected to the top of the spring.
Further, four apex angles of the lower surface of the bottom of the base are provided with second support posts, and the lower surface of the second support posts and the bottom of the first pneumatic cylinder are on the same horizontal plane and are connected with the ground.
Further, the sliding seal assembly comprises a second annular groove arranged on the inner wall of the cavity and a sealing ring connected to the inner part of the second annular groove and sleeved on the outer wall of the barrel-shaped push rod.
Further, the top of the base is provided with an oil inlet, and the oil inlet is connected with the groove body of the second annular groove through a hose.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, the utility model is provided with a demoulding device, powder is formed by extending a second pneumatic cylinder, in the forming process, the industrial hard spring is pressed to slightly lower the barrel-shaped push rod, when the second pneumatic cylinder is contracted, the industrial hard spring is restored, the barrel-shaped push rod rises to drive the formed handle shaft bushing to rise, so that the handle shaft bushing slides with the inner wall of the cavity, and the demoulding is easier to realize;
secondly, the sliding sealing assembly is arranged, and the barrel-shaped push rod and the cavity are sealed through the sealing ring, so that metal powder cannot enter a gap.
The utility model will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the entire present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is an enlarged view at B in fig. 2.
In the figure: 10. a base; 11. a second support; 12. an oil inlet; 13. a cavity; 14. a hose; 15. an annular convex body; 20. a second pneumatic cylinder; 21. a fixing plate; 211. a first annular groove; 22. briquetting; 30. a demolding device; 31. a lower connecting plate; 32. industrial hard springs; 33. a barrel-type push rod; 34. a first pneumatic cylinder; 35. a sliding seal assembly; 351. a second annular groove; 352. a seal ring; 40. a buffer device; 41. a buffer plate; 42. a spring; 50. a die upper body; 51. a first support.
Detailed Description
In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, a powder metallurgy die for a handle shaft bushing of an engine includes a base 10, wherein a demoulding device 30 is connected to the bottom of the base 10, a cavity 13 is arranged in the upper end of the base 10, and one end of the demoulding device 30 extends into the cavity 13;
the demolding device 30 comprises a barrel-shaped push rod 33 which is connected to the inner wall of the bottom of the cavity 13 in a sliding manner, a sliding sealing assembly 35 which is connected between the barrel-shaped push rod 33 and the inner wall of the bottom of the cavity 13, an industrial hard spring 32 which is connected to the bottom of the barrel-shaped push rod 33, a lower connecting plate 31 which is connected to the bottom of the industrial hard spring 32, and a first pneumatic cylinder 34 which is connected to the bottom of the lower connecting plate 31.
In the embodiment, the first pneumatic cylinder 34 stretches to drive the lower connecting plate 31, so as to drive the barrel-shaped push rod 33 to realize demolding, and the barrel-shaped push rod 33 and the base 10 form a finished mold.
Referring to fig. 1-3, the top of the base 10 is connected to the upper mold body 50, and four corners of the lower surface of the upper mold body 50 are provided with first pillars 51, and the first pillars 51 are connected to the top of the base 10.
In the embodiment, the first support column 51 supports the upper die body 50 and controls the distance between the upper die body 50 and the upper surface of the base 10.
Referring to fig. 2-3, the lower surface of the upper die body 50 is connected with a second pneumatic cylinder 20, a fixing plate 21 is disposed at the bottom of the second pneumatic cylinder 20, a pressing block 22 is connected to the bottom of the fixing plate 21, and a first annular groove 211 is disposed at the bottom of the fixing plate 21.
In the embodiment, the second pneumatic cylinder 20 is extended to drive the fixing plate 21, so as to drive the pressing block 22, and the pressing block 22 enters the cavity 13 to press the metal powder.
Referring to fig. 1-3, the upper surface of the bottom of the base 10 is provided with an annular protrusion 15, and the upper surface of the bottom of the base 10 is connected with a buffer device 40, wherein the buffer device 40 comprises a spring 42 connected to the upper surface of the bottom of the base 10 and sleeved on the outer wall of the annular protrusion 15, and a buffer plate 41 connected to the top of the spring 42.
It should be noted that, in the embodiment, when the pressing block 22 enters the cavity 13 to press the metal powder, along with the descent of the pressing block 22, the fixing plate 21 will contact the buffer plate 41, so that the buffer plate 41 descends due to the spring 42, the impact of the fixing plate 21 on the base 10 is avoided, and the pressing degree can be determined when the fixing plate 21 contacts the buffer plate 41.
In the embodiment, referring to fig. 2-3, the four top corners of the bottom surface of the base 10 are provided with second pillars 11, and the bottom surface of the second pillar 11 is on the same horizontal plane with the bottom of the first pneumatic cylinder 34 and is connected to the ground.
In the embodiment, the second support 11 and the first pneumatic cylinder 34 are connected to the ground, so that the first pneumatic cylinder 34 is prevented from being fixed by other devices, and the second support 11 is used for stabilizing the base 10.
Referring to fig. 2, the sliding seal assembly 35 includes a second annular groove 351 disposed on an inner wall of the cavity 13, and a seal ring 352 connected to the second annular groove 351 and sleeved on an outer wall of the barrel-shaped push rod 33.
In the embodiment, the sealing ring 352 seals the space between the barrel-shaped push rod 33 and the cavity 13, so that the metal powder does not enter the gap.
In an embodiment, referring to fig. 2-3, an oil inlet 12 is disposed at the top of the base 10, and the oil inlet 12 is connected to the groove body of the second annular groove 351 through a hose 14.
In the embodiment, the oil inlet 12 may be filled with the lubricating fluid into the second annular groove 351 via the hose 14 at any time.
The specific operation mode of the utility model is as follows:
according to the utility model, firstly, lubricating liquid is injected into the second annular groove 351 through the oil inlet 12, so that the sealing ring 352 is easy to slide, the sealing ring 352 can seal between the barrel-shaped push rod 33 and the cavity 13, so that metal powder cannot enter a gap, then a proper amount of metal powder is poured into the cavity 13 according to the specification of the handle shaft bushing, the second pneumatic cylinder 20 is started to extend to drive the fixing plate 21, so that the pressing block 22 is driven, the pressing block 22 enters the cavity 13 to press the metal powder, and meanwhile, the pressing block 22 presses the metal powder, so that the industrial rigid spring 32 is contracted, and the barrel-shaped push rod 33 is slightly lowered;
when the handle shaft bushing is formed, the second pneumatic cylinder 20 contracts to enable the pressing block 22 to be far away from the cavity 13, meanwhile, the industrial hard spring 32 resets to enable the barrel-shaped push rod 33 and the formed handle shaft bushing to move upwards to enable the handle shaft bushing to slide on the inner wall of the cavity 13, and at the moment, the first pneumatic cylinder 34 stretches to drive the barrel-shaped push rod 33 to push the handle shaft bushing out.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.
Claims (7)
1. A powder metallurgy die for a handle shaft bushing of an engine, comprising a base (10), characterized in that: the bottom of the base (10) is connected with a demolding device (30), a cavity (13) is formed in the upper end of the base (10), and one end of the demolding device (30) extends into the cavity (13);
the demolding device (30) comprises a barrel-shaped push rod (33) which is connected to the inner wall of the bottom of the cavity (13) in a sliding manner, a sliding sealing assembly (35) which is connected between the barrel-shaped push rod (33) and the inner wall of the bottom of the cavity (13), an industrial hard spring (32) which is connected to the bottom of the barrel-shaped push rod (33), a lower connecting plate (31) which is connected to the bottom of the industrial hard spring (32) and a first pneumatic cylinder (34) which is connected to the bottom of the lower connecting plate (31).
2. A powder metallurgy die for an engine handle shaft bushing according to claim 1, wherein: the top of the base (10) is connected with the upper die body (50), four vertex angles of the lower surface of the upper die body (50) are provided with first support posts (51), and the first support posts (51) are connected with the top of the base (10).
3. A powder metallurgy die for an engine handle shaft bushing according to claim 2, wherein: the die is characterized in that the lower surface of the die upper body (50) is connected with a second pneumatic cylinder (20), a fixed plate (21) is arranged at the bottom of the second pneumatic cylinder (20), a pressing block (22) is connected to the bottom of the fixed plate (21), and a first annular groove (211) is formed in the bottom of the fixed plate (21).
4. A powder metallurgy die for an engine handle shaft bushing according to claim 2, wherein: the base is characterized in that an annular convex body (15) is arranged on the upper surface of the bottom of the base (10), the upper surface of the bottom of the base (10) is connected with a buffer device (40), and the buffer device (40) comprises a spring (42) connected to the upper surface of the bottom of the base (10) and sleeved with the outer wall of the annular convex body (15) and a buffer plate (41) connected to the top of the spring (42).
5. A powder metallurgy die for an engine handle shaft bushing according to claim 3, wherein: the four vertex angles of the lower surface of the bottom of the base (10) are provided with second support posts (11), and the lower surface of the second support posts (11) and the bottom of the first pneumatic cylinder (34) are on the same horizontal plane and are connected with the ground.
6. A powder metallurgy die for an engine handle shaft bushing according to claim 4, wherein: the sliding seal assembly (35) comprises a second annular groove (351) arranged on the inner wall of the cavity (13) and a sealing ring (352) connected to the inside of the second annular groove (351) and sleeved on the outer wall of the barrel-shaped push rod (33).
7. A powder metallurgy die for an engine handle shaft bushing according to claim 2, wherein: an oil inlet (12) is formed in the top of the base (10), and the oil inlet (12) is connected with a groove body of the second annular groove (351) through a hose (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322251068.4U CN220591566U (en) | 2023-08-22 | 2023-08-22 | Powder metallurgy die for handle shaft bushing of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322251068.4U CN220591566U (en) | 2023-08-22 | 2023-08-22 | Powder metallurgy die for handle shaft bushing of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220591566U true CN220591566U (en) | 2024-03-15 |
Family
ID=90182744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322251068.4U Active CN220591566U (en) | 2023-08-22 | 2023-08-22 | Powder metallurgy die for handle shaft bushing of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220591566U (en) |
-
2023
- 2023-08-22 CN CN202322251068.4U patent/CN220591566U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |