CN220761001U - Powder metallurgy die for electronic pump rotor - Google Patents
Powder metallurgy die for electronic pump rotor Download PDFInfo
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- CN220761001U CN220761001U CN202322370058.2U CN202322370058U CN220761001U CN 220761001 U CN220761001 U CN 220761001U CN 202322370058 U CN202322370058 U CN 202322370058U CN 220761001 U CN220761001 U CN 220761001U
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 29
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 7
- 230000007704 transition Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000009702 powder compression Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model provides a powder metallurgy die of an electronic pump rotor, which comprises an upper punch, a compression ring, a lower punch and a pressing core; the upper punch comprises an upper positioning part, an upper round rod and an upper punch body, wherein the upper positioning part, the upper round rod and the upper punch body are sequentially connected, the upper punch body is provided with a large square hole and a small square hole, the large square hole is communicated with the small square hole, the large square hole penetrates through the upper positioning part and the upper round rod, and the small square hole penetrates through the upper punch body. The utility model relates to the technical field of powder metallurgy dies, in particular to a powder metallurgy die of an electronic pump rotor. Aiming at the defects of the prior art, the utility model develops a powder metallurgy die of the rotor of the electronic pump, and the utility model realizes smooth transition of the positioning in the round hole of the manufactured rotor, thereby reducing the vibration of a cutter during the subsequent processing.
Description
Technical Field
The utility model relates to the technical field of powder metallurgy dies, in particular to a powder metallurgy die of an electronic pump rotor.
Background
With the continuous development of the economy in China, the powder metallurgy structure is increasingly widely used. Powder metallurgy is used as a near net forming technology, and has great economic advantages in the production of parts with large batch, high dimensional accuracy and high processing cost, such as structural parts. It is becoming more and more common to manufacture sliders by powder metallurgy. In recent decades, electronic pumps have gradually replaced traditional mechanical pumps and have been used in large numbers in heat dissipation and heating circulation systems. The electronic pump has the advantages of no electromagnetic interference, high efficiency, environmental protection and the like, and can well meet the market requirements. Powder metallurgy is also increasingly used in electronic pump processing, particularly in electronic pump rotors made by powder metallurgy.
As shown in FIG. 8, the inner hole of the rotor is a step hole, the small hole is special-shaped, and the large hole is circular. There is a positional relationship with respect to the rotor teeth. The part needs to be positioned during forming, square holes are formed during conventional powder metallurgy forming, and round holes are machined. Or the key slot is additionally arranged in the round hole for positioning, and intermittent cutting is performed during processing, so that the loss of the cutter is high.
Accordingly, in order to solve the above problems, a powder metallurgy die for an electronic pump rotor is proposed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model develops a powder metallurgy die of the rotor of the electronic pump, and the utility model realizes smooth transition of the positioning in the round hole of the manufactured rotor, thereby reducing the vibration of a cutter during the subsequent processing.
The technical scheme for solving the technical problems is as follows: the utility model provides a powder metallurgy die of an electronic pump rotor, which comprises an upper punch, a compression ring, a lower punch and a pressing core; the upper punch comprises an upper positioning part, an upper round rod and an upper punch, the upper positioning part, the upper round rod and the upper punch are sequentially connected, the upper punch is provided with a large square hole and a small square hole, the large square hole is communicated with the small square hole, the large square hole penetrates through the upper positioning part and the upper round rod, and the small square hole penetrates through the upper punch; the pressing punch comprises a lower positioning part, a lower round rod and a lower punch, wherein the lower positioning part, the lower round rod and the lower punch are sequentially connected, the pressing punch is provided with a large round hole and a small round hole, the large round hole is communicated with the small round hole, the large round hole penetrates through the lower positioning part and the lower round rod, and the small round hole penetrates through the lower punch; the compression ring is provided with an exterior hole, and the lower punch and the upper punch are matched with the exterior hole; the pressing core comprises a square column, a round column, a limiting column, a penetrating rod and a limiting block, wherein the square column, the round column, the limiting column, the penetrating rod and the limiting block are sequentially connected, and chamfers are respectively arranged at the upper end and the lower end of the square column and the upper end of the round column; the square column is matched with the small square hole, the limit column is matched with the large round hole, and the round column is matched with the small round hole.
As optimization, the upper part of the upper punch is arranged in an upper fixing ring, the upper fixing ring is provided with an upper positioning step groove, and the upper positioning part is matched with the upper positioning step groove. By arranging the upper fixing ring, the installation of the upper punch is convenient to realize.
As optimization, a stop block is arranged on the upper fixing ring, an upper step mounting hole is formed in the upper fixing ring, a group of through holes are formed in the stop block, and a group of upper step mounting holes are matched with a group of through holes. By arranging the stop block, the upper punch is prevented from being separated from the upper fixing ring.
As optimization, the clamping ring is arranged in the upper pressing film, the upper pressing film is provided with an upper step mounting groove, and the clamping ring is arranged in the upper groove of the upper step mounting groove. The positioning and the installation of the compression ring are conveniently realized by arranging the upper compression film.
As the optimization, the holding down punch sets up in lower solid fixed ring, lower solid fixed ring is provided with down location ladder groove, lower locating part matches down location ladder groove, lower solid fixed ring downside is provided with the go-between, the go-between is provided with central perforation, wear the pole matching the center perforation, the go-between downside is provided with the positioning tube, down solid fixed ring is provided with symmetrical first shoulder hole, the go-between is provided with the second shoulder hole, a set of first shoulder hole matches a set of second shoulder hole, the positioning tube is provided with screw hole and locating hole, one the second shoulder hole matches the locating hole, another the second shoulder hole matches the screw hole.
As optimization, a fixed ring is arranged in the positioning cylinder, a positioning step groove is formed in the fixed ring, the limiting block and the penetrating rod are matched with the positioning step groove, a penetrating groove is formed in the top plate of the positioning cylinder, the penetrating rod penetrates through the penetrating groove, and the size of the penetrating groove is smaller than that of the fixed ring. And the positioning of the pressing core is realized by arranging the fixing ring.
As optimization, the fixed ring is connected with the lower stop block corresponding to the limiting block, and the fixed ring is provided with a lower mounting hole. And the pressing core is prevented from being separated from the fixing ring by arranging the lower stop block.
As optimization, the positioning cylinder is arranged in the lower pressing film, and the lower pressing film is provided with a group of lower mounting stepped holes.
As optimization, the upper punch is outwards protruded to form a cylinder with a chamfer, and the upper punch is outwards protruded to form a circular chamfer corresponding to the small square hole.
The effects provided in the summary of the utility model are merely effects of embodiments, not all effects of the utility model, and the above technical solution has the following advantages or beneficial effects:
the device realizes the rotor manufactured by adopting the chamfering at the upper end and the lower end of the square column and the upper end of the round column, and the positioning in the round hole is in smooth transition, so that the vibration of a cutter during the subsequent processing is reduced, the service life of the cutter is prolonged, and the efficiency is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is a partial exploded view of the present utility model.
Fig. 3 is an enlarged view of a portion of fig. 2 a in accordance with the present utility model.
Fig. 4 is a schematic view of a partial perspective structure of the present utility model.
Fig. 5 is a schematic perspective view of a press core according to the present utility model.
Fig. 6 is a schematic view of a partial cut-away view of the present utility model.
Fig. 7 is a schematic perspective view of the present utility model.
Fig. 8 is a physical diagram of the present utility model.
In the figure, 1, upper fixing ring, 2, upper punch, 3, upper press film, 4, press ring, 5, press core, 6, lower punch, 7, lower fixing ring, 8, connecting ring, 9, positioning cylinder, 10, lower press film, 11, fixing ring, 12, lower stopper, 13, stopper, 101, upper stepped mounting hole, 102, upper positioning stepped groove, 201, large square hole, 202, small square hole, 203, upper positioning part, 204, upper round bar, 205, upper punch, 206, inverted chamfer, 207, cylinder, 301, upper stepped mounting groove, 401, outer shape hole, 501, square column, 502, round column, 503, limit column, 504, penetrating bar, 505, stopper, 601, large round hole, 602, lower punch, 603, small round hole, 604, lower round bar, 605, lower positioning part, 701, first stepped hole, 702, lower positioning stepped groove, 801, second stepped hole, 802, center hole, 901, positioning hole, 902, threaded hole, 1001, stepped mounting hole, lower stepped mounting hole, 111, positioning hole, 112, through hole, and through hole.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily obscure the present utility model. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 7, a powder metallurgy die of an electronic pump rotor comprises an upper punch 2, a compression ring 4, a lower punch 6 and a press core 5; the press punch 2 comprises an upper positioning part 203, an upper round rod 204 and an upper punch 205, wherein the upper positioning part 203, the upper round rod 204 and the upper punch 205 are sequentially connected, the press punch 2 is provided with a large square hole 201 and a small square hole 202, the large square hole 201 is communicated with the small square hole 202, the large square hole 201 penetrates through the upper positioning part 203 and the upper round rod 204, and the small square hole 202 penetrates through the upper punch 205; the pressing punch 6 comprises a lower positioning part 605, a lower round rod 604 and a lower punch 602, wherein the lower positioning part 605, the lower round rod 604 and the lower punch 602 are sequentially connected, the pressing punch 6 is provided with a large round hole 601 and a small round hole 603, the large round hole 601 is communicated with the small round hole 603, the large round hole 601 penetrates through the lower positioning part 605 and the lower round rod 604, and the small round hole 603 penetrates through the lower punch 602; the compression ring 4 is provided with an outer shape hole 401, and the lower punch 602 and the upper punch 205 are matched with the outer shape hole 401; the pressing core 5 comprises a square column 501, a round column 502, a limiting column 503, a penetrating rod 504 and a limiting block 505, wherein the square column 501, the round column 502, the limiting column 503, the penetrating rod 504 and the limiting block 505 are sequentially connected, and chamfer angles are respectively arranged at the upper end and the lower end of the square column 501 and the upper end of the round column 502; the square column 501 is matched with the small square hole 202, the limit column 503 is matched with the large round hole 601, and the round column 502 is matched with the small round hole 603.
The upper part of the upper punch 2 is arranged in the upper fixing ring 1, the upper fixing ring 1 is provided with an upper positioning step groove 102, and the upper positioning part 203 is matched with the upper positioning step groove 102. By arranging the upper fixing ring 1, the installation of the upper punch 2 is conveniently realized.
The upper fixing ring 1 is provided with a stop block 13, the upper fixing ring 1 is provided with an upper step mounting hole 101, the stop block 13 is provided with a group of through holes 131, and a group of upper step mounting holes 101 are matched with a group of through holes 131. By providing the stopper 13, the upper punch 2 is prevented from being separated from the upper fixing ring 1.
The press ring 4 is arranged in the upper press film 3, the upper press film 3 is provided with an upper step mounting groove 301, and the press ring 4 is arranged in an upper groove of the upper step mounting groove 301. The positioning and the installation of the compression ring 4 are conveniently realized by arranging the upper compression film 3.
The lower fixed ring 7 is provided with a lower positioning stepped groove 702, the lower positioning part 605 is matched with the lower positioning stepped groove 702, the lower fixed ring 7 is provided with a connecting ring 8, the connecting ring 8 is provided with a central through hole 802, the penetrating rod 504 is matched with the central through hole 802, the lower side of the connecting ring 8 is provided with a positioning cylinder 9, the lower fixed ring 7 is provided with a symmetrical first stepped hole 701, the connecting ring 8 is provided with a second stepped hole 801, a group of first stepped holes 701 are matched with a group of second stepped holes 801, the positioning cylinder 9 is provided with a threaded hole 902 and a positioning hole 901, one second stepped hole 801 is matched with the positioning hole 901, and the other second stepped hole 801 is matched with the threaded hole 902.
The fixing ring 11 is arranged in the positioning cylinder 9, the fixing ring 11 is provided with a positioning step groove 111, the limiting block 505 and the penetrating rod 504 are matched with the positioning step groove 111, the top plate of the positioning cylinder 9 is provided with a penetrating groove 903, the penetrating rod 504 penetrates through the penetrating groove 903, and the size of the penetrating groove 903 is smaller than that of the fixing ring 11. By providing the fixing ring 11, the positioning of the press core 5 is achieved.
The fixed ring 11 is connected with the lower stop block 12 corresponding to the limiting block 505, and the fixed ring 11 is provided with a lower mounting hole 112. By providing the lower stopper 12, the plunger 5 is prevented from being separated from the fixing ring 11.
The positioning cylinder 9 is arranged in the pressing film 10, and the pressing film 10 is provided with a group of lower mounting stepped holes 1001.
The upper punch 205 protrudes outwards to form a cylinder 207 with a chamfer, and the upper punch 205 protrudes outwards to form a return chamfer 206 corresponding to the small square hole 202.
The workflow of this embodiment is:
the utility model is designed and arranged on a 50T mechanical press (the press is suitable for powder metallurgy, fine ceramics, magnetic materials and related industries needing powder compression molding, in particular to automatic dry compression molding of powder products with complex shapes.)
The upper positioning portion 203 is placed in the upper positioning stepped groove 102, the upper fixing ring 1 and the upper punch 2 are integrally mounted on the press upper punch cylinder by using bolts passing through the upper step mounting hole 101 and the through holes 131, and the stopper 13 is mounted on the upper floating plate of the apparatus. The upper press film 3 is mounted on the female die plate, and the press ring 4 is placed in the upper step mounting groove 301. The fixed ring 11 is mounted on the positioning cylinder 9 through the lower mounting hole 112 by using bolts, the pressing core 5 passes through the fixed ring 11 and the positioning cylinder 9, the lower stop block 12 is connected with the fixed ring 11, and the lower stop block 12 is mounted on the lower floating plate of the equipment. The connecting ring 8 is placed on the positioning cylinder 9, the penetrating rod 504 penetrates through the center through hole 802, the pressing punch 6 is placed on the connecting ring 8, the limiting column 503 is located in the large round hole 601, the round column 502 is located in the small round hole 602, the threaded hole 902 is connected through the first stepped hole 701 and the second stepped hole 801 on one side by using a screw rod, and the positioning hole 901 is inserted through the first stepped hole 701 and the second stepped hole 801 on the other side by using a pin. The lower round bar 604 is placed into the exterior hole 401. The lower pressing film 10 is sleeved with the positioning cylinder 9, the positioning cylinder 9 is fastened and mounted on the lower fixing plate through bolts, and the positioning cylinder 9 contacts with the lower fixing plate.
A proper amount of powder metallurgy material is poured into the forming area of the exterior hole 401, the round column 502 and the square column 501, and the press is controlled to work, so that the press punch 2 enters the exterior hole 401, and the square column 501 relatively enters the small square hole 202, thereby realizing part pressing.
While the foregoing description of the embodiments of the present utility model has been presented with reference to the drawings, it is not intended to limit the scope of the utility model, but rather, it is apparent that various modifications or variations can be made by those skilled in the art without the need for inventive work on the basis of the technical solutions of the present utility model.
Claims (9)
1. A powder metallurgy die of an electronic pump rotor is characterized in that: comprises a pressing punch (2), a pressing ring (4), a pressing punch (6) and a pressing core (5);
the upper punch (2) comprises an upper positioning part (203), an upper round rod (204) and an upper punch (205), wherein the upper positioning part (203), the upper round rod (204) and the upper punch (205) are sequentially connected, the upper punch (2) is provided with a large square hole (201) and a small square hole (202), the large square hole (201) is communicated with the small square hole (202), the large square hole (201) penetrates through the upper positioning part (203) and the upper round rod (204), and the small square hole (202) penetrates through the upper punch (205);
the pressing punch (6) comprises a lower positioning part (605), a lower round rod (604) and a lower punch (602), wherein the lower positioning part (605), the lower round rod (604) and the lower punch (602) are sequentially connected, the pressing punch (6) is provided with a large round hole (601) and a small round hole (603), the large round hole (601) is communicated with the small round hole (603), the large round hole (601) penetrates through the lower positioning part (605) and the lower round rod (604), and the small round hole (603) penetrates through the lower punch (602);
the compression ring (4) is provided with an exterior hole (401), and the lower punch (602) and the upper punch (205) are matched with the exterior hole (401);
the pressing core (5) comprises a square column (501), a round column (502), a limiting column (503), a penetrating rod (504) and a limiting block (505), wherein the square column (501), the round column (502), the limiting column (503), the penetrating rod (504) and the limiting block (505) are sequentially connected, and chamfer angles are respectively arranged at the upper end and the lower end of the square column (501) and the upper end of the round column (502);
square post (501) match little square hole (202), spacing post (503) match big round hole (601), circular post (502) match little round hole (603).
2. A powder metallurgy die for an electronic pump rotor according to claim 1, wherein: the upper part of the upper punch (2) is arranged in the upper fixing ring (1), the upper fixing ring (1) is provided with an upper positioning step groove (102), and the upper positioning part (203) is matched with the upper positioning step groove (102).
3. A powder metallurgy die for an electronic pump rotor according to claim 2, characterized in that: be provided with dog (13) on last solid fixed ring (1), go up solid fixed ring (1) and be provided with step mounting hole (101), dog (13) are provided with a set of perforation (131), a set of go up step mounting hole (101) match a set of perforation (131).
4. A powder metallurgy die for an electronic pump rotor according to claim 1, wherein: the press ring (4) is arranged in the upper press film (3), the upper press film (3) is provided with an upper step mounting groove (301), and the press ring (4) is arranged in the upper groove of the upper step mounting groove (301).
5. A powder metallurgy die for an electronic pump rotor according to claim 1, wherein: the utility model discloses a screw-down fixing device for a bicycle, including fixed ring (7) and connecting ring (8), fixed ring (7) are pressed down, fixed ring (7) are provided with down location ladder groove (702) down, lower location portion (605) are matchd lower location ladder groove (702), fixed ring (7) downside is provided with go-between (8), go-between (8) are provided with center perforation (802), wear pole (504) match center perforation (802), go-between (8) downside is provided with positioning cylinder (9), fixed ring (7) are provided with first shoulder (701) of symmetry down, go-between (8) are provided with second shoulder (801), a set of first shoulder (701) match a set of second shoulder (801), positioning cylinder (9) are provided with screw hole (902) and locating hole (901), and one second shoulder (801) match locating hole (901), another second shoulder (801) match screw hole (902).
6. A powder metallurgy die for an electronic pump rotor according to claim 5, wherein: be provided with solid fixed ring (11) in positioning tube (9), gu fixed ring (11) are provided with location ladder groove (111), stopper (505) with wear pole (504) to match location ladder groove (111), the roof of positioning tube (9) is provided with wears groove (903), wear pole (504) to pass wear groove (903), the size of wearing groove (903) is less than gu fixed ring (11).
7. The powder metallurgy die for an electronic pump rotor according to claim 6, wherein: the fixed ring (11) is connected with the lower stop block (12) corresponding to the limiting block (505), and the fixed ring (11) is provided with a lower mounting hole (112).
8. A powder metallurgy die for an electronic pump rotor according to claim 5, wherein: the positioning cylinder (9) is arranged in the lower pressing film (10), and the lower pressing film (10) is provided with a group of lower mounting stepped holes (1001).
9. A powder metallurgy die for an electronic pump rotor according to claim 1, wherein: the upper punch (205) protrudes outwards to form a cylinder (207) with a chamfer, and the upper punch (205) protrudes outwards to form a circular chamfer (206) corresponding to the small square hole (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322370058.2U CN220761001U (en) | 2023-09-01 | 2023-09-01 | Powder metallurgy die for electronic pump rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322370058.2U CN220761001U (en) | 2023-09-01 | 2023-09-01 | Powder metallurgy die for electronic pump rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220761001U true CN220761001U (en) | 2024-04-12 |
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ID=90611309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322370058.2U Active CN220761001U (en) | 2023-09-01 | 2023-09-01 | Powder metallurgy die for electronic pump rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220761001U (en) |
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2023
- 2023-09-01 CN CN202322370058.2U patent/CN220761001U/en active Active
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