CN216096391U - Powder metallurgy forming die - Google Patents
Powder metallurgy forming die Download PDFInfo
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- CN216096391U CN216096391U CN202122600186.2U CN202122600186U CN216096391U CN 216096391 U CN216096391 U CN 216096391U CN 202122600186 U CN202122600186 U CN 202122600186U CN 216096391 U CN216096391 U CN 216096391U
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 25
- 238000004080 punching Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims 3
- 238000007493 shaping process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 6
- 230000005284 excitation Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
The utility model discloses a powder metallurgy forming die, and relates to the technical field of powder metallurgy. The die comprises a fixed die base and a movable die base, wherein a guide pillar is embedded in the fixed die base, a guide sleeve is embedded in the movable die base, the fixed die base is matched with the fixed die base through the guide sleeve and the guide pillar, the fixed die base comprises a bottom plate, a lower template, an ejection block and a forming module, the lower template is connected with the bottom plate through a bolt, and a cavity is formed in the middle of the lower template. This powder metallurgy forming die, the shaping module has adopted split type design, after the raw materials shaping in the shaping module, external force promotes ejecting piece and drives the shaping module and rises to shift out from the die cavity, at this moment, with the excitation coil circular telegram on the half chamber spare on the left side in the shaping module, make it produce the magnetic repulsion force, thereby separate half chamber spare on the right side to certain distance, can carry out the drawing of patterns, especially do benefit to the drawing of patterns process of the big, little heterotypic product in middle of two, can promote work efficiency greatly, and can not cause the waste of material and the improvement of manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of powder metallurgy, in particular to a powder metallurgy forming die.
Background
Powder metallurgy is a process technology for manufacturing metal powder or metal powder serving as a raw material and manufacturing metal materials, composite materials and various products through forming and sintering, and the powder metallurgy method has a similar place to ceramic production and belongs to a powder sintering technology.
In the pressing process of powder metallurgy, some special-shaped products with large ends and small middle parts cannot be demolded after the pressing is finished, so that semi-finished product processing or finished product processing is usually required in the prior art, and the waste of materials and the increase of production cost are caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a powder metallurgy forming die, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a powder metallurgy forming die comprises a fixed die base and a movable die base, wherein a guide pillar is embedded in the fixed die base, a guide sleeve is embedded in the movable die base, and the movable die base and the fixed die base are matched through the guide sleeve and the guide pillar;
the fixed die holder comprises a bottom plate, a lower die plate, an ejection block and a forming module, the lower die plate is connected with the bottom plate through bolts, a cavity is formed in the middle of the lower die plate, the ejection block penetrates into the cavity of the lower die plate from the bottom of the bottom plate, and the cavity module is located in the cavity;
the die cavity module comprises a left half cavity piece and a right half cavity piece, the left half cavity piece and the right half cavity piece are mutually attached, an exciting coil is embedded on the attaching surface of the left half cavity piece, permanent magnetic steel is embedded on the attaching surface of the right half cavity piece, and the left half cavity piece and the right half cavity piece are magnetically attracted to open and close through the permanent magnetic steel and the exciting coil.
Furthermore, the middle part of the bottom plate is provided with a cavity, the lower end of the ejection block is positioned in the cavity, and the ejection block is externally connected with a jacking cylinder.
Furthermore, be equipped with the constant head tank on the die cavity, be equipped with the location sand grip on the half chamber spare of left side, and through location sand grip and constant head tank mutually location butt joint with the die cavity.
Furthermore, a sliding groove is formed in the top of the lower template, a sliding block is arranged at the bottom of the right half cavity piece, and after ejection, the sliding block and the sliding groove are in positioning butt joint with the lower template.
Furthermore, the movable die base comprises an upper die plate, a positioning plate and a lower punching piece, the positioning plate is connected with the upper die plate through a bolt, and the lower punching piece is embedded in the positioning plate.
Furthermore, the upper die plate is connected with a die handle through a bolt, and the size of the lower part of the lower punching piece is matched with the size of an inner cavity of the forming die block.
Compared with the prior art, the utility model provides a powder metallurgy forming die, which has the following beneficial effects:
this powder metallurgy forming die, the shaping module has adopted split type design, after the raw materials shaping in the shaping module, external force promotes ejecting piece and drives the shaping module and rises to shift out from the die cavity, at this moment, with the excitation coil circular telegram on the half chamber spare on the left side in the shaping module, make it produce the magnetic repulsion force, thereby separate half chamber spare on the right side to certain distance, can carry out the drawing of patterns, especially do benefit to the drawing of patterns process of the big, little heterotypic product in middle of two, can promote work efficiency greatly, and can not cause the waste of material and the improvement of manufacturing cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of a forming module structure of the present invention.
In the figure: 1. fixing a die holder; 2. a movable die holder; 3. a guide post; 4. a guide sleeve; 5. a base plate; 6. a lower template; 7. ejecting a block; 8. forming a module; 9. a cavity; 10. a left half cavity; 11. a right cavity half; 12. an exciting coil; 13. permanent magnet steel; 14. avoiding the cavity; 15. positioning a groove; 16. positioning the convex strip; 17. a chute; 18. a slider; 19. mounting a template; 20. positioning a plate; 21. punching a piece downwards; 22. and (4) a die handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the utility model discloses a powder metallurgy forming die, which comprises a fixed die holder 1 and a movable die holder 2, wherein a guide post 3 is embedded on the fixed die holder 1, a guide sleeve 4 is embedded on the movable die holder 2, the movable die holder 2 and the fixed die holder 1 are matched through the guide sleeve 4 and the guide post 3, the fixed die holder 1 comprises a bottom plate 5, a lower template 6, an ejection block 7 and a forming module 8, the lower template 6 is connected with the bottom plate 5 through bolts, a die cavity 9 is arranged in the middle of the lower template 6, the ejection block 7 penetrates into the die cavity 9 of the lower template 6 from the bottom of the bottom plate 5, and the die cavity 9 is positioned in the die cavity 9.
The cavity 9 module comprises a left cavity half 10 and a right cavity half 11 which are mutually jointed, an exciting coil 12 is embedded on the binding surface of the left half cavity piece 10, a permanent magnet steel 13 is embedded on the binding surface of the right half cavity piece 11, and the forming module 8 adopts a split type design through the magnetic attraction of the permanent magnet steel 13 and the exciting coil 12 with the left half cavity piece 10, after the raw material is molded in the molding module 8, the external force pushes the ejection block 7 to drive the molding module 8 to ascend and move out of the cavity 9, at the moment, energizing the exciting coil 12 on the left half cavity piece 10 in the molding module 8 to generate a magnetic repulsive force, so as to separate the right half cavity piece 11 to a certain distance, the demoulding process is particularly beneficial to the demoulding process of the special-shaped product with big two ends and small middle part, the working efficiency can be greatly improved, and the material waste and the production cost improvement can not be caused.
Specifically, the middle part of the bottom plate 5 is provided with a cavity 14, the lower end of the ejection block 7 is positioned in the cavity 14, and the ejection block 7 is externally connected with a jacking cylinder.
In this embodiment, keep away cavity 14 and mainly play the effect of keeping away position and direction, and do benefit to the equipment of ejecting block 7, this forming die before the use, for conveniently drawing of patterns, will push out ejecting block 7 and connect the jacking cylinder.
Specifically, be equipped with constant head tank 15 on the die cavity 9, be equipped with location sand grip 16 on the half chamber spare 10 in the left side, and through location sand grip 16 and constant head tank 15 with die cavity 9 looks location butt joint.
In this embodiment, when the molding module 8 moves up and down in the cavity 9, it is positioned by the positioning protruding strips 16 and the positioning grooves 15, so as to avoid displacement and influence on the subsequent separation from the right cavity piece 11.
Specifically, the top of the lower template 6 is provided with a sliding groove 17, the bottom of the right cavity half 11 is provided with a sliding block 18, and after ejection, the lower template 6 is in positioning butt joint with the sliding block 18 and the sliding groove 17.
In this embodiment, the magnetic opening and closing means that the permanent magnet steel 13 generates a suction force, the excitation coil 12 controls the suction force of the magnetic steel to perform a suction switch function, and the right half cavity part 11 and the left half cavity part 10 are separated and guided to move through the slider 18 and the chute 17.
Specifically, the movable die holder 2 comprises an upper die plate 19, a positioning plate 20 and a lower punching part 21, the positioning plate 20 is connected with the upper die plate 19 through a bolt, and the lower punching part 21 is embedded in the positioning plate 20.
In the embodiment, during forming, the press machine drives the lower punching piece 21 on the movable die holder 2 to punch into the forming module 8 filled with powder metallurgy, so as to perform extrusion forming.
Specifically, the upper die plate 19 is connected with a die handle 22 through a bolt, and the lower size of the lower punch 21 is adapted to the size of the inner cavity of the forming die block 8.
In this embodiment, the die shank 22 is used for being conveniently butted with a press machine, and in order to ensure the forming quality, the size of the lower part of the lower punch 21 needs to be adapted to the size of the inner cavity of the forming module 8.
When the die is used, the movable die holder 2 is arranged on a press machine, the fixed die holder 1 is fixed on a press machine table, powder metallurgy is loaded into an inner cavity of the forming module 8, the press machine drives the lower punching piece 21 on the movable die holder 2 to punch into the forming module 8 loaded with the powder metallurgy, so that extrusion forming is realized, after raw materials are formed in the forming module 8, an external force pushes the ejection block 7 to drive the forming module 8 to ascend and move out from the die cavity 9, at the moment, the excitation coil 12 on the left half cavity piece 10 in the forming module 8 is electrified to generate magnetic repulsive force, so that the right half cavity piece 11 is separated to a certain distance, demoulding can be carried out, the die is particularly beneficial to the demoulding process of special-shaped products with large two ends and small middle, and the working efficiency can be greatly improved.
In summary, in the powder metallurgy forming mold, the forming module 8 adopts a split design, after the raw material is formed in the forming module 8, the external force pushes the ejection block 7 to drive the forming module 8 to ascend and move out of the cavity 9, at this time, the excitation coil 12 on the left half cavity piece 10 in the forming module 8 is electrified to generate a magnetic repulsive force, so that the right half cavity piece 11 is separated to a certain distance, and then the mold can be removed, which is particularly beneficial to the mold removing process of the special-shaped product with large two ends and small middle part, can greatly improve the working efficiency, and can not cause material waste and increase the production cost.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)
1. The utility model provides a powder metallurgy forming die, includes die holder (1) and movable mould seat (2), its characterized in that: a guide post (3) is embedded in the fixed die holder (1), a guide sleeve (4) is embedded in the movable die holder (2), and the fixed die holder (1) is matched with the guide sleeve (4) and the guide post (3);
the fixed die holder (1) comprises a bottom plate (5), a lower template (6), an ejection block (7) and a forming module (8), the lower template (6) is connected with the bottom plate (5) through bolts, a cavity (9) is formed in the middle of the lower template (6), the ejection block (7) penetrates into the cavity (9) of the lower template (6) from the bottom of the bottom plate (5), and the cavity (9) module is located in the cavity (9);
the die cavity (9) module includes half chamber spare (10) on a left side and half chamber spare (11) on the right side, and both laminate each other, it has exciting coil (12) to inlay on the binding face of half chamber spare (10) on a left side, it has permanent magnetism magnet steel (13) to inlay on the binding face of half chamber spare (11) on the right side, and through permanent magnetism magnet steel (13) and exciting coil (12) and half chamber spare (10) on a left side magnetism inhale and open and shut.
2. The powder metallurgy forming die of claim 1, wherein: the middle part of the bottom plate (5) is provided with a cavity (14), the lower end of the ejection block (7) is positioned in the cavity (14), and the ejection block (7) is externally connected with a jacking cylinder.
3. The powder metallurgy forming die of claim 1, wherein: be equipped with constant head tank (15) on die cavity (9), be equipped with location sand grip (16) on half chamber spare in a left side (10), and through location sand grip (16) and constant head tank (15) with die cavity (9) looks location butt joint.
4. The powder metallurgy forming die of claim 1, wherein: the top of the lower template (6) is provided with a sliding groove (17), the bottom of the right cavity half (11) is provided with a sliding block (18), and the lower template (6) is in positioning butt joint with the sliding block (18) and the sliding groove (17) after ejection.
5. The powder metallurgy forming die of claim 1, wherein: the movable die holder (2) comprises an upper die plate (19), a positioning plate (20) and a lower punching piece (21), the positioning plate (20) is connected with the upper die plate (19) through bolts, and the lower punching piece (21) is embedded in the positioning plate (20).
6. The powder metallurgy forming die of claim 5, wherein: the upper die plate (19) is connected with a die handle (22) through a bolt, and the size of the lower part of the lower punching piece (21) is matched with the size of an inner cavity of the forming die block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122600186.2U CN216096391U (en) | 2021-10-27 | 2021-10-27 | Powder metallurgy forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122600186.2U CN216096391U (en) | 2021-10-27 | 2021-10-27 | Powder metallurgy forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216096391U true CN216096391U (en) | 2022-03-22 |
Family
ID=80710182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122600186.2U Active CN216096391U (en) | 2021-10-27 | 2021-10-27 | Powder metallurgy forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216096391U (en) |
-
2021
- 2021-10-27 CN CN202122600186.2U patent/CN216096391U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 321400 Xinbi Industrial Park, Jinyun County, Lishui City, Zhejiang Province (beside Xinbi power supply station) Patentee after: Jinyun County Sitaide Electronic Instrument Co.,Ltd. Address before: 321400 Xinbi Industrial Park, Jinyun County, Lishui City, Zhejiang Province (beside Xinbi power supply station) Patentee before: Jinyun steed Powder Metallurgy Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 318000, No. 17 Yanting Road, Coastal Industrial City, Pubagang Town, Sanmen County, Taizhou City, Zhejiang Province Patentee after: Jinyun County Sitaide Electronic Instrument Co.,Ltd. Country or region after: China Address before: 321400 Xinbi Industrial Park, Jinyun County, Lishui City, Zhejiang Province (beside Xinbi power supply station) Patentee before: Jinyun County Sitaide Electronic Instrument Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |