CN216989857U - Powder metallurgy small sun wheel die - Google Patents
Powder metallurgy small sun wheel die Download PDFInfo
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- CN216989857U CN216989857U CN202123342451.8U CN202123342451U CN216989857U CN 216989857 U CN216989857 U CN 216989857U CN 202123342451 U CN202123342451 U CN 202123342451U CN 216989857 U CN216989857 U CN 216989857U
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Abstract
The utility model discloses a powder metallurgy small sun wheel die which comprises a first die, a second die, a third die, a mounting seat and a connecting rod, wherein a die cavity is arranged in the middle of the first die, the second die is positioned on one side of the first die, the side edge of the second die is abutted against the side surface of the first die, a mounting groove is formed in one side, close to the first die, of the second die, the third die is arranged in the mounting groove of the second die, the mounting seat is positioned on one side, far away from the second die, of the first die, the side surface of the mounting seat is abutted against the side surface of the first die, a fourth die is arranged on the inner side of the mounting seat, and the connecting rod is arranged at the center of the surface, facing one side of the first die, of the second die. According to the utility model, the movable rod drives the third mold to move towards the side far away from the second mold, so that the formed sun wheel is separated from the first mold through the third mold, rapid demolding is realized, and the production efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of sun gear production molds, in particular to a powder metallurgy small sun gear mold.
Background
Powder metallurgy is a process of using metal powder (or a mixture of metal powder and nonmetal powder) as a raw material to manufacture metal materials, composite materials and various products through the procedures of batching, mixing, molding, sintering and the like. The powder metallurgy technology has a series of advantages of remarkable energy saving, material saving, excellent performance, high product precision, good stability and the like, and is very suitable for mass production. The most basic procedures of the powder metallurgy process comprise powder preparation, powder forming and powder sintering, wherein the powder preparation process is very important, and the selection of raw materials has a crucial influence on the properties of product forming, product precision, strength, hardness and the like in the subsequent process.
The existing powder metallurgy sun wheel die has the following defects: after the sun gear is formed by pressing through the die, an additional demolding process is required for the formed sun gear, and the production efficiency is integrally influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a powder metallurgy small sun gear die to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the powder metallurgy small sun gear die comprises a first die, a second die, a third die, a mounting seat and a connecting rod, wherein a die cavity is arranged in the middle of the first die, the second die is positioned on one side of the first die, the side edge of the second die is abutted against the side surface of the first die, a mounting groove is formed in one side, close to the first die, of the second die, the third die is arranged in the mounting groove of the second die, the mounting seat is positioned on one side, far away from the second die, of the first die, the side surface of the mounting seat is abutted against the side surface of the first die, a fourth die is arranged on the inner side of the mounting seat, the connecting rod is arranged at the center of the surface, facing one side of the first die, of the second die and fixedly connected with the second die, and the end of the connecting rod sequentially penetrates through the first die, the fourth die and the through hole of the mounting seat, the connecting groove has been seted up on the surface of connecting rod, the connecting rod is provided with the movable rod in connecting groove department, the one end of movable rod and the fixed surface of third mould are connected.
Preferably, one side of the first mold facing the fourth mold is provided with a chamfer at the edge of the inner side, and the edge of the fourth mold is matched with the chamfer of the first mold.
Preferably, the connecting rod is provided with the spout in the inside of connecting, the inside surface of movable rod is provided with the slide rail, the movable rod passes through slide rail, spout sliding connection with the connecting rod.
Preferably, the cross section of the movable rod is in a fan shape, and the edge of the outer side surface of the movable rod is flush with the surface of the connecting rod.
Preferably, the surface of the third mold is flush with the surface of the second mold, and the third mold is matched with the mounting groove of the second mold.
Preferably, the two ends of the connecting rod are respectively provided with an insertion hole and a connecting hole, the insertion hole is located at one end, close to the second die, of the connecting rod, and the connecting rod is provided with an ejector rod at the insertion hole.
Preferably, a fixed rod is arranged at one end of the movable rod close to the connecting hole.
The utility model provides a powder metallurgy small sun gear die which has the following beneficial effects:
(1) according to the utility model, the third mold and the movable rod are arranged, the third mold is arranged in the mounting groove on the surface of the second mold, the movable rod is arranged in the connecting groove on the outer side of the connecting rod, the end surface of the movable rod is fixedly connected with the surface of the third mold, and meanwhile, the movable rod is in sliding connection with the connecting rod through the sliding chute and the sliding rail, so that after the sun wheel is pressed and formed, the movable rod drives the third mold to move towards the side far away from the second mold, and thus, the formed sun wheel is separated from the first mold through the third mold, rapid demolding is realized, and the production efficiency is greatly improved.
(2) According to the utility model, the chamfer is arranged at the inner side edge of one side of the first die facing the fourth die, and the edge of the fourth die is matched with the chamfer of the first die, so that when powder is poured into the die cavity, the powder can be ensured to enter the die cavity of the first die, and the appearance and the shape of the sun wheel after press forming are not influenced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection of a second mold and a third mold according to the present invention;
fig. 3 is a schematic view of the connection of the movable rod and the connecting rod of the present invention.
In the figure: 1. a first mold; 2. a second mold; 3. a third mold; 4. a mounting seat; 5. a connecting rod; 6. a mold cavity; 7. mounting grooves; 8. a fourth mold; 9. connecting grooves; 10. a movable rod; 11. a jack; 12. connecting holes; 13. a top rod; 14. and (5) fixing the rod.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, the present invention provides the technical solutions: the powder metallurgy small sun gear die comprises a first die 1, a second die 2, a third die 3, a mounting seat 4 and a connecting rod 5, wherein a die cavity 6 is arranged in the middle of the first die 1, the second die 2 is arranged on one side of the first die 1, the side edge of the second die 2 is abutted against the side surface of the first die 1, a mounting groove 7 is formed in one side, close to the first die 1, of the second die 2, the third die 3 is arranged in the mounting groove 7 of the second die 2, the mounting seat 4 is arranged on one side, far away from the second die 2, of the first die 1, the side surface of the mounting seat 4 is abutted against the side surface of the first die 1, a fourth die 8 is arranged on the inner side of the mounting seat 4, the connecting rod 5 is arranged on the surface center, facing one side of the first die 1, of the second die 2, and the connecting rod 5 is fixedly connected with the second die 2, the end department of connecting rod 5 runs through the perforation of first mould 1, fourth mould 8 and mount pad 4 in proper order, spread groove 9 has been seted up on the surface of connecting rod 5, connecting rod 5 is provided with movable rod 10 in spread groove 9 department, the one end of movable rod 10 and the fixed surface of third mould 3 are connected.
First mould 1 sets up inboard edge towards one side of fourth mould 8 and is provided with the chamfer, the edge of fourth mould 8 cooperates with the chamfer of first mould 1, ensures that the powder can get into in the die cavity 6 of first mould 1.
The connecting rod 5 is provided with the spout in the inside of connecting, the inboard surface of movable rod 10 is provided with the slide rail, movable rod 10 passes through slide rail, spout sliding connection with connecting rod 5.
The section of the movable rod 10 is fan-shaped, and the edge of the outer side surface of the movable rod 10 is flush with the surface of the connecting rod 5.
The surface of the third mold 3 is flush with the surface of the second mold 2, and the third mold 3 is fitted in the mounting groove 7 of the second mold 2.
The two ends of the connecting rod 5 are respectively provided with a jack 11 and a connecting hole 12, the jack 11 is positioned at one end of the connecting rod 5 close to the second die 2, and the connecting rod 5 is provided with an ejector rod 13 at the jack 11.
One end of the movable rod 10 close to the connecting hole 12 is provided with a fixed rod 14, so that the movable rod 10 is driven to move by the fixed rod 14, and quick demoulding is realized.
The working principle is as follows: at first make third mould 3 be in mounting groove 7 of second mould 2, and with the side of second mould 2 and the side butt of first mould 1, pour into the powder in the die cavity 6 to first mould 1, drive the motion of fourth mould 8 through mount pad 4, and make fourth mould 8 be located the chamfer of first mould 1, thereby at the in-process of the motion of fourth mould 8, realize the press forming to the sun gear, after the suppression finishes, drive third mould 3 to the one side motion of keeping away from second mould 2 through movable rod 10, thereby separate fashioned sun gear and first mould 1 through third mould 3, realize quick drawing of patterns, the back is accomplished in the drawing of patterns, third mould 3 is in mounting groove 7 again, thereby can carry out the pressing step of next time.
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 (7)
1. The powder metallurgy small sun gear die is characterized by comprising a first die (1), a second die (2), a third die (3), a mounting seat (4) and a connecting rod (5), wherein a die cavity (6) is arranged in the middle of the first die (1), the second die (2) is arranged on one side of the first die (1), the side edge of the second die (2) is abutted against the side surface of the first die (1), a mounting groove (7) is formed in one side, close to the first die (1), of the second die (2), the third die (3) is arranged in the mounting groove (7) of the second die (2), the mounting seat (4) is arranged on one side, far away from the second die (2), of the first die (1), the side surface of the mounting seat (4) is abutted against the side surface of the first die (1), and a fourth die (8) is arranged on the inner side of the mounting seat (4), connecting rod (5) set up in second mould (2) towards the surperficial center department of first mould (1) one side, connecting rod (5) with second mould (2) fixed connection, the end department of connecting rod (5) runs through the perforation of first mould (1), fourth mould (8) and mount pad (4) in proper order, spread groove (9) have been seted up on the surface of connecting rod (5), connecting rod (5) are provided with movable rod (10) in spread groove (9) department, the one end of movable rod (10) and the fixed surface of third mould (3) are connected.
2. The powder metallurgy small sun gear die of claim 1, wherein: one side of the first die (1) facing the fourth die (8) is provided with a chamfer at the inner side edge, and the edge of the fourth die (8) is matched with the chamfer of the first die (1).
3. The powder metallurgy small sun gear die of claim 1, wherein: the connecting rod (5) is provided with the spout in the inside of connecting, the inboard surface of movable rod (10) is provided with the slide rail, movable rod (10) and connecting rod (5) pass through slide rail, spout sliding connection.
4. The powder metallurgy small sun gear die of claim 1, wherein: the cross section of the movable rod (10) is fan-shaped, and the edge of the outer side surface of the movable rod (10) is flush with the surface of the connecting rod (5).
5. The powder metallurgy small sun gear die of claim 1, wherein: the surface of the third mold (3) is flush with the surface of the second mold (2), and the third mold (3) is matched with the mounting groove (7) of the second mold (2).
6. The powder metallurgy small sun gear die of claim 1, wherein: the two ends of the connecting rod (5) are respectively provided with an inserting hole (11) and a connecting hole (12), the inserting hole (11) is located at one end, close to the second die (2), of the connecting rod (5), and an ejector rod (13) is arranged at the inserting hole (11) of the connecting rod (5).
7. The powder metallurgy small sun gear die of claim 1, wherein: one end of the movable rod (10) close to the connecting hole (12) is provided with a fixed rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123342451.8U CN216989857U (en) | 2021-12-29 | 2021-12-29 | Powder metallurgy small sun wheel die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123342451.8U CN216989857U (en) | 2021-12-29 | 2021-12-29 | Powder metallurgy small sun wheel die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216989857U true CN216989857U (en) | 2022-07-19 |
Family
ID=82387280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123342451.8U Active CN216989857U (en) | 2021-12-29 | 2021-12-29 | Powder metallurgy small sun wheel die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216989857U (en) |
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2021
- 2021-12-29 CN CN202123342451.8U patent/CN216989857U/en active Active
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