CN210817458U - Powder metallurgy rotating ring compacting die - Google Patents
Powder metallurgy rotating ring compacting die Download PDFInfo
- Publication number
- CN210817458U CN210817458U CN201921366292.5U CN201921366292U CN210817458U CN 210817458 U CN210817458 U CN 210817458U CN 201921366292 U CN201921366292 U CN 201921366292U CN 210817458 U CN210817458 U CN 210817458U
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- core rod
- female die
- powder metallurgy
- die
- groove
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 20
- 238000004080 punching Methods 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000004049 embossing Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000007493 shaping process Methods 0.000 abstract description 7
- 238000000227 grinding Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 9
- 239000002184 metal Substances 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003754 machining 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
- 239000013589 supplement Substances 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
The utility model relates to a powder metallurgy rotating ring embossing mold utensil relates to the technical field that powder metallurgy mould made, has solved the rotating ring and need can machine-shaping through fixed, many times turning of many times repetition clamping, grinding in man-hour, complex operation, problem that production efficiency hangs down, and it includes: the punching die comprises a female die, a lower punch inserted on the female die and abutted against the inner peripheral wall of the female die, a first core rod inserted on the upper side of the lower punch and abutted against the inner peripheral wall of the lower punch, a second core rod arranged on the upper side of the first core rod and an upper punch inserted between the female die and the second core rod; six forming grooves which are uniformly distributed along the circumferential direction are further formed in the circumferential wall of the second core rod, and six forming blocks which are uniformly distributed along the circumferential direction, mutually attached to the forming grooves and connected in a sliding mode are integrally arranged on the inner circumferential wall of the upper punch. The utility model discloses it is convenient to have production, easy operation has improved the effect of the production efficiency of rotating ring.
Description
Technical Field
The utility model belongs to the technical field of the technique that powder metallurgy die made and specifically relates to a powder metallurgy rotating ring embossing mold utensil is related to.
Background
Powder metallurgy is a process technique for producing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and then forming and sintering the raw material to produce metal materials, composite materials and various products.
As shown in fig. 1, the conventional mechanical seal rotating ring 8 includes a ring body 81 and six inner convex blocks 82 integrally arranged on the inner peripheral wall of the ring body 81 and uniformly distributed along the circumferential direction, wherein tapered surfaces 83 are respectively arranged at the upper side and the lower side of each inner convex block 82; in the prior art, the movable ring 8 is machined through cutting machine blanking, lathe turning and grinding by a grinding machine in sequence.
The above prior art solutions have the following drawbacks: the movable ring can be machined and formed only by repeatedly clamping and fixing for many times, turning for many times and grinding during machining, the operation is complicated, the production efficiency is low, and an improved space is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a powder metallurgy rotating ring embossing mold utensil, production is convenient, and easy operation has improved the production efficiency of rotating ring.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a powder metallurgy rotating ring pressing die comprises a female die, a lower punch inserted on the female die and abutted with the inner peripheral wall of the female die, a first core rod inserted on the upper side of the lower punch and abutted with the inner peripheral wall of the lower punch, a second core rod arranged on the upper side of the first core rod and an upper punch inserted between the female die and the second core rod;
six forming grooves which are uniformly distributed along the circumferential direction are further formed in the circumferential wall of the second core rod, and six forming blocks which are uniformly distributed along the circumferential direction, mutually attached to the forming grooves and connected in a sliding mode are integrally arranged on the inner circumferential wall of the upper punch.
By adopting the technical scheme, the space between the female die and the second core rod is filled with metal powder, then the upper punch is punched, the metal powder is formed under the extrusion of the upper punch, the lower punch, the female die and the second core rod, and the finished movable ring can be obtained by connecting less parts.
The utility model discloses further set up to: the punching die further comprises a bottom pad, wherein an inserting groove for inserting the lower punch is formed in the bottom pad, and the female die is abutted to the bottom pad.
By adopting the technical scheme, the arrangement of the bottom pad provides support for the female die, the lower punch and the first core rod, so that the die is convenient to move integrally, and the moving efficiency of the die is improved; meanwhile, after compaction is carried out from the upper part, the bottom pad can be taken down, the die is placed on the platform and is compressed again through a common press, the lower end of the lower punch is flush with the lower end of the first core rod, pressure supplement is realized, the problem of compaction density gradient of a pressed compact is solved, and the bidirectional pressurizing function is realized.
The utility model discloses further set up to: one side of the second core rod close to the first core rod is integrally provided with a plug column, and the first core rod is provided with a jack for the plug column to plug.
Through adopting above-mentioned technical scheme, the second core bar is installed on first core bar through the grafting of grafting post with the jack, makes things convenient for the second core bar to install the location, makes the difficult relative displacement that takes place with first core bar of second core bar simultaneously, has improved the stability of second core bar when using.
The utility model discloses further set up to: and the edges and corners of the female die close to the upper punch are provided with guide surfaces.
By adopting the technical scheme, the upper punch is guided to be inserted into the gap between the female die and the second core rod by the arrangement of the guide surface, so that the installation efficiency of the upper punch is improved.
The utility model discloses further set up to: the die also comprises a limiting cylinder arranged on the upper side of the female die.
Through adopting above-mentioned technical scheme, the setting of spacing section of thick bamboo limits the punching press stroke of upper punch, makes the difficult punching press of upper punch excessive and leads to the size of product to be less than predetermined size, has reduced the rejection rate when producing the product with this mould, has improved the size precision of product simultaneously.
The utility model discloses further set up to: the end face, close to the female die, of the limiting barrel is integrally provided with a positioning ring, and the female die is provided with a positioning groove for the positioning ring to be inserted and connected.
Through adopting above-mentioned technical scheme, spacing section of thick bamboo passes through the grafting of holding ring and constant head tank and installs on the bed die, simple structure, and simple to operate makes spacing section of thick bamboo be difficult for taking place the displacement when punching press the mould simultaneously, has improved spacing section of thick bamboo's stability.
The utility model discloses further set up to: and the end surface of the upper punch far away from the lower punch is provided with a second indicating groove which indicates the position of the forming block and corresponds to the first indicating groove.
Through adopting above-mentioned technical scheme, the position of shaping groove is instructed to first instruction groove, and the position of shaping piece is instructed to the second instruction groove, and the alignment position of shaping groove and shaping piece is instructed in the cooperation of first instruction groove and second instruction groove to convenient installation has improved the installation effectiveness of second core bar in last drift.
The utility model discloses further set up to: the first indicating groove and the second indicating groove are arranged in a triangular shape.
Through adopting above-mentioned technical scheme, the pointed end in first instruction groove is aimed at with the pointed end in second instruction groove, and the shaping piece is aimed at with the shaping groove, can directly install the upper punch grafting between bed die and second core bar this moment, has improved the installation effectiveness of second core bar.
To sum up, the utility model discloses a beneficial technological effect does:
1. the production is convenient, the operation is simple, and the production efficiency of the movable ring is improved;
2. the bottom pad provides support for the female die, the lower punch and the first core rod, so that the die can be conveniently moved integrally, the moving efficiency of the die is improved, and meanwhile, pressure can be supplemented, and the problem of the density gradient of a pressed compact is solved;
3. the setting of spacing section of thick bamboo limits the punching press stroke of upper punch, makes the difficult punching press of upper punch excessively and leads to the size of product to be less than predetermined size, has improved the size precision of product.
Drawings
Fig. 1 is a schematic structural diagram of a mechanical seal rotating ring.
Fig. 2 is a schematic structural view of the powder metallurgy rotating ring pressing die of the present invention.
Fig. 3 is an exploded view of a powder metallurgy moving ring pressing die.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of a portion B in fig. 3.
Fig. 6 is an exploded view of the upper punch and the second core pin.
Fig. 7 is an enlarged view of a portion C in fig. 6.
Fig. 8 is an enlarged view of a portion D in fig. 6.
In the figure, 1, a female die; 11. a guide surface; 12. positioning a groove; 2. a lower punch; 3. a first core bar; 31. a jack; 4. a second core bar; 41. forming a groove; 42. inserting the column; 43. a first indicator groove; 5. an upper punch; 51. forming a block; 52. a second indicator slot; 6. a bottom pad; 61. inserting grooves; 7. a limiting cylinder; 71. a positioning ring; 8. a moving ring; 81. a ring body; 82. an inner bump; 83. a conical surface.
Detailed Description
The present invention will be described in further detail with reference to fig. 2 to 8.
Referring to fig. 2, for the utility model discloses a powder metallurgy rotating ring embossing mold utensil, including bed die 1, lower punch 2, first core pole 3, upper punch 5, heelpiece 6 and spacing section of thick bamboo 7.
Referring to fig. 2 and 3, the base pad 6 may have a plate shape or a disk shape, and the base pad 6 is preferably a disk shape; the lower punch 2 is arranged on the upper side of the bottom pad 6, the lower punch 2 is cylindrical, the insertion groove 61 is formed in the upper side of the bottom pad 6, the insertion groove 61 is annular, the insertion groove 61 and the bottom pad 6 are concentrically arranged, and the insertion groove 61 is used for the lower punch 2 to be inserted so as to install the lower punch 2 on the bottom pad 6.
On the lower punch 2 was located to bed die 1 cover, bed die 1's lower terminal surface and base wad 6 butt, bed die 1 is concentric setting with base wad 6, bed die 1's internal perisporium and lower punch 2's periphery wall butt, first core bar 3 is pegged graft on lower punch 2, first core bar 3's periphery wall and lower punch 2's internal perisporium butt, first core bar 3's upside is located to second core bar 4, second core bar 4 is concentric setting with first core bar 3, second core bar 4 is close to one side an organic whole of first core bar 3 and is equipped with spliced pole 42, jack 31 has been seted up on first core bar 3, jack 31 supplies spliced pole 42 to peg graft, in order to install second core bar 4 on first core bar 3.
Referring to fig. 3 and 4, an upper punch 5 is inserted between the female die 1 and the second core bar 4, the upper punch 5 is arranged in a cylindrical shape, and the upper punch 5 and the second core bar 4 are arranged concentrically; the upper punch 5 is sleeved with the limiting cylinder 7, the lower end face of the limiting cylinder 7 is abutted to the upper end face of the female die 1, a positioning ring 71 is integrally arranged on the lower end face of the limiting cylinder 7, and the positioning ring 71 and the limiting cylinder 7 are concentrically arranged.
Referring to fig. 3 and 5, a positioning groove 12 is formed in the upper end surface of the female die 1, and the positioning groove 12 is used for inserting a positioning ring 71 so as to install the limiting cylinder 7 on the female die 1; the limiting cylinder 7 is used for limiting the downward pressing stroke of the upper punch 5, and when the punching end of the punching equipment is abutted against the upper end face of the limiting cylinder 7, the punching of the upper punch 5 is completed.
The upper side of the female die 1 is also provided with a guide surface 11, and the guide surface 11 guides the upper punch 5 to be inserted between the female die 1 and the second core rod 4 so as to conveniently mount the upper punch 5.
Referring to fig. 6, six molding grooves 41 are formed in the outer peripheral wall of the second core bar 4, and the molding grooves 41 are uniformly distributed along the circumferential direction of the second core bar 4; six forming blocks 51 are further integrally arranged on the inner peripheral wall of the upper punch 5, the forming blocks 51 are mutually attached to the forming groove 41 and slide, and a cavity for filling metal powder to extrude and form the movable ring 8 is formed among the upper punch 5, the lower punch 2, the first core rod 3, the second core rod 4 and the die 1.
Referring to fig. 6 and 7, at least one first indicating groove 43 is formed in the upper end surface of the second core bar 4, the first indicating groove 43 is used for indicating the position of the forming groove 41, and the first forming groove 41 is arranged in a triangular shape.
Referring to fig. 6 and 8, a second indication block is provided on the upper end surface of the upper punch 5, the second indication block is used for indicating the position of the forming block 51, the second indication block is arranged in a triangular shape, and the tips of the first indication block and the second indication block are arranged oppositely to match the alignment position of the indication forming block 51 and the forming groove 41, so that the upper punch 5 is conveniently inserted between the female die 1 and the second core rod 4.
The implementation principle of the embodiment is as follows:
filling metal powder in a cavity formed by an upper punch 5, a lower punch 2, a first core rod 3, a second core rod 4 and a female die 1, punching the upper punch 5 through punching equipment, extruding the metal powder in the cavity to form a semi-finished movable ring 8, then taking down a bottom pad 6, placing a die and the semi-finished movable ring 8 on a platform, punching a limiting cylinder 7 through a common pressing machine, enabling the lower end of the lower punch 2 to be flush with the lower end of the first core rod 3, realizing pressure compensation, solving the problem of pressed compact pressing density gradient, and finally obtaining the finished movable ring 8 after sintering.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a powder metallurgy rotating ring embossing mold utensil which characterized in that: the punching die comprises a female die (1), a lower punch (2) inserted on the female die (1) and abutted against the inner peripheral wall of the female die (1), a first core rod (3) inserted on the upper side of the lower punch (2) and abutted against the inner peripheral wall of the lower punch (2), a second core rod (4) arranged on the upper side of the first core rod (3) and an upper punch (5) inserted between the female die (1) and the second core rod (4);
six molding grooves (41) which are uniformly distributed along the circumferential direction are further formed in the circumferential wall of the second core rod (4), and six molding blocks (51) which are uniformly distributed along the circumferential direction, mutually attached to the molding grooves (41) and connected in a sliding mode are integrally arranged on the inner circumferential wall of the upper punch (5).
2. The powder metallurgy moving ring pressing die according to claim 1, wherein: the punching die is characterized by further comprising a bottom pad (6), wherein an inserting groove (61) for inserting the lower punch (2) is formed in the bottom pad (6), and the female die (1) is abutted to the bottom pad (6).
3. The powder metallurgy moving ring pressing die according to claim 1, wherein: one side of the second core rod (4) close to the first core rod (3) is integrally provided with an insertion column (42), and the first core rod (3) is provided with an insertion hole (31) for the insertion column (42) to be inserted.
4. The powder metallurgy moving ring pressing die according to claim 1, wherein: and a guide surface (11) is arranged on the edge angle of the female die (1) close to the upper punch (5).
5. The powder metallurgy moving ring pressing die according to claim 1, wherein: the die also comprises a limiting cylinder (7) arranged on the upper side of the female die (1).
6. The powder metallurgy rotating ring pressing die according to claim 5, wherein: the end face, close to the female die (1), of the limiting barrel (7) is integrally provided with a positioning ring (71), and the female die (1) is provided with a positioning groove (12) for inserting the positioning ring (71).
7. The powder metallurgy moving ring pressing die according to claim 1, wherein: the end face, far away from the first core rod (3), of the second core rod (4) is provided with at least one first indicating groove (43) for indicating the position of the forming groove (41), and the end face, far away from the lower punch (2), of the upper punch (5) is provided with a second indicating groove (52) for indicating the position of the forming block (51) and corresponding to the first indicating groove (43).
8. The powder metallurgy moving ring pressing die according to claim 7, wherein: the first indicating groove (43) and the second indicating groove (52) are both arranged in a triangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366292.5U CN210817458U (en) | 2019-08-21 | 2019-08-21 | Powder metallurgy rotating ring compacting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366292.5U CN210817458U (en) | 2019-08-21 | 2019-08-21 | Powder metallurgy rotating ring compacting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210817458U true CN210817458U (en) | 2020-06-23 |
Family
ID=71272484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921366292.5U Active CN210817458U (en) | 2019-08-21 | 2019-08-21 | Powder metallurgy rotating ring compacting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210817458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043434A (en) * | 2020-12-31 | 2021-06-29 | 中核北方核燃料元件有限公司 | Central hole-opening core block forming die |
-
2019
- 2019-08-21 CN CN201921366292.5U patent/CN210817458U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043434A (en) * | 2020-12-31 | 2021-06-29 | 中核北方核燃料元件有限公司 | Central hole-opening core block forming die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231116 Address after: 315500, No. 68-1 Huimao Road, Jiangkou Street Economic Development Zone, Fenghua District, Ningbo City, Zhejiang Province (self declared) Patentee after: Ningbo Huatungsten New Materials Co.,Ltd. Address before: 315500 huimao Road, Fenghua Economic Development Zone, Ningbo City, Zhejiang Province Patentee before: Ningbo Xinyu cemented carbide seal Co.,Ltd. |
|
| TR01 | Transfer of patent right |