Powder metallurgy pressing die

Abstract

The utility model relates to the technical field of powder metallurgy, in particular to a powder metallurgy pressing die which is convenient to replace and practical and comprises an installation sleeve, an installation hole formed in the installation sleeve and a die body matched with the installation hole, an opening penetrating through the die body is formed in the middle of the die body, an installation groove is formed in the installation sleeve, and the installation sleeve is sleeved with the installation groove. A rotating disc is mounted in the mounting groove, a first magnet is mounted in the rotating disc, a second magnet is arranged at the bottom of the mold, a through groove penetrating through the wall of the mounting sleeve is formed in one side of the mounting groove, a connecting rod is fixedly connected to the outer wall of the rotating disc, the connecting rod is mounted in the through groove, and a clamping groove is formed in the inner wall of the mounting hole. A clamping block matched with the clamping groove is fixedly arranged on the outer wall of the die, the die is provided with a plurality of holes with different sizes and shapes, a through hole with the same size and shape as the holes is formed in the middle of the second magnet, and the through hole and the holes coincide up and down.

Description

Technical Field

[0001] The utility model relates to the technical field of powder metallurgy, in particular to a powder metallurgy pressing die. Background Art

[0002] As is well known, powder metallurgy is a process technology for producing metal powders or using metal powders as raw materials, and through forming and sintering, manufacturing metal materials, composite materials and various types of products, especially for manufacturing small mechanical parts. Most importantly, powder metallurgy can greatly save raw materials.

[0003] During the powder metallurgy process, it is necessary to perform die pressing on metal powders. In the prior art, most of the time, the metal powders are placed in the inner cavity of the female die, and then the male die is driven by a power mechanism to move into the female die to extrude the metal powders.

[0004] The female die of the existing powder metallurgy pressing die is usually integrally formed with the base or fixedly connected to the base by a connecting device. The female die of some existing powder metallurgy pressing dies cannot be replaced, and the replacement of the female die of another part of the existing powder metallurgy pressing dies is extremely laborious. Therefore, the common practice of the staff is to produce only one type of workpiece on the same powder metallurgy pressing die. Therefore, the female die of the existing powder metallurgy pressing die is not convenient to replace, seriously affecting the practicability of the powder metallurgy pressing die. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a powder metallurgy pressing die, which is convenient for replacing the die and improves the practicability.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solutions: A powder metallurgy pressing die includes an installation sleeve, an installation hole opened on the installation sleeve, and a die matching the installation hole. A through hole penetrating the die is opened in the middle of the die. An installation groove is arranged inside the installation sleeve, a turntable is installed inside the installation groove, a first magnet is installed inside the turntable, a second magnet is arranged at the bottom of the die, a through groove penetrating the wall of the installation sleeve is opened on one side of the installation groove, a connecting rod is fixedly connected to the outer wall of the turntable, the connecting rod is installed in the through groove, a clamping groove is opened on the inner wall of the installation hole, and a clamping block matching the clamping groove is fixedly arranged on the outer wall of the die.

[0009] Further, there are several dies with different hole sizes and shapes.

[0010] Further, a through hole with the same size and shape as the opening is provided in the middle of the second magnet, and the through hole coincides with the opening vertically.

[0011] Further, the second magnet matches the first magnet.

[0012] Further, a handle is provided at one end of the connecting rod.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the present utility model provides a powder metallurgy pressing die, which has the following

[0015] beneficial effects:

[0016] For this powder metallurgy pressing die, through the settings of the installation groove, through groove, turntable, first magnet and second magnet, the die is installed in the installation hole, so that the magnetic poles of the first magnet and the second magnet are opposite. The first magnet and the second magnet attract each other to fix the die in the installation hole. When replacing the die, directly rotate the handle to make the magnetic poles of the first magnet and the second magnet the same. The first magnet and the second magnet repel each other. At this time, directly take out the die upward. Therefore, it is convenient for the staff to replace the die, significantly improving the die replacement efficiency. Therefore, the present utility model is applicable to processing workpieces of various models and shapes, effectively improving the practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is a partially sectional three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 3 is a partially sectional three-dimensional structural schematic diagram of the present utility model without the die installed;

[0020] Figure 4 is a partially sectional three-dimensional structural schematic diagram of the present utility model without the die and the turntable installed;

[0021] Figure 5 is a three-dimensional structural schematic diagram of the die and the turntable separated from the present utility model;

[0022] Figure 6 is a structural schematic diagram of the magnetic pole positions when the first magnet and the second magnet of the present utility model attract each other;

[0023] Figure 7 is a structural schematic diagram of the magnetic pole positions when the first magnet and the second magnet of the present utility model repel each other.

[0024] In the figure: 1. Installation sleeve; 2. Mold; 3. Installation groove; 4. Through groove; 5. Turntable; 6. First magnet; 7. Card slot; 8. Card block; 9. Connecting rod; 10. Handle; 11. Second magnet; 12. Installation hole; 13. Opening hole. Specific implementation mode

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figure 1-7 , a powder metallurgy pressing mold of the present invention includes an installation sleeve 1, an installation hole 12 opened on the installation sleeve 1, and a mold 2 matching the installation hole 12. An opening hole 13 penetrating the mold 2 is opened in the middle of the mold 2. An installation groove 3 is arranged inside the installation sleeve 1, a turntable 5 is installed inside the installation groove 3, a first magnet 6 is installed inside the turntable 5, and a second magnet 11 is arranged at the bottom of the mold 2. The mold 2 is installed in the installation hole 12 so that the magnetic poles of the first magnet 6 and the second magnet 11 are opposite. The attraction between the first magnet 6 and the second magnet 11 can fix the mold 2 in the installation hole 12. When replacing the mold 2, rotate the first magnet 6 to make the magnetic poles of the first magnet 6 and the second magnet 11 the same. The first magnet 6 and the second magnet 11 repel each other, and at this time, the mold 2 can be directly taken out upward. A through groove 4 penetrating the wall of the installation sleeve 1 is opened on one side of the installation groove 3. A connecting rod 9 is fixedly connected to the outer wall of the turntable 5, and the connecting rod 9 is installed in the through groove 4. A card slot 7 is opened on the inner wall of the installation hole 12, and a card block 8 matching the card slot 7 is fixedly arranged on the outer wall of the mold 2. The cooperation between the card block 8 and the card slot 7 prevents the mold 2 and the second magnet 11 from rotating.

[0027] Among them, there are several molds 2 with different sizes and shapes of the opening holes 13. A through hole with the same size and shape as the opening hole 13 is opened in the middle of the second magnet 11, and the through hole and the opening hole 13 overlap up and down.

[0028] Among them, the second magnet 11 matches the first magnet 6.

[0029] Among them, a handle 10 is arranged at one end of the connecting rod 9, which is convenient for rotating the turntable 5 so as to rotate the first magnet 6.

[0030] In summary, for such a powder metallurgy pressing die, during use, select a suitable die 2 with an opening 13, place the die 2 into the mounting hole 12. The magnetic poles of the first magnet 6 and the second magnet 11 are opposite, and the attraction between the first magnet 6 and the second magnet 11 can fix the die 2 in the mounting hole 12. After the processing is completed, when the die 2 needs to be replaced, rotate the handle 10 to rotate the turntable 5 and the first magnet 6, so that the magnetic poles of the first magnet 6 and the second magnet 11 are the same, and the first magnet 6 and the second magnet 11 repel each other. At this time, the die 2 can be directly taken out upward.

[0031] The technical terms or scientific terms used in the description of this application should be the ordinary meanings understood by those of ordinary skill in the art to which this application belongs. The words indicating directions such as "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", etc. used in the description of this application are only used to indicate relative directions or positional relationships, rather than implying that the device or component must have a specific orientation, be constructed and operated in a specific orientation. When the absolute position of the described object changes, its relative positional relationship may also change accordingly. Therefore, it should not be understood as a limitation to this application. The terms "first", "second", "third" and similar terms used in the description of this application are only for descriptive purposes to distinguish different components, and cannot be understood as indicating or implying relative importance.

[0032] The similar words such as "a", "an" or "the" used in the description of this application should not be understood as an absolute limitation on the quantity, but should be understood as having at least one. The similar words such as "including" or "comprising" used in the description of this application are intended to mean that the elements or objects appearing before this word cover the elements or objects listed after this word and their equivalents, without excluding other elements or objects.

[0033] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A powder metallurgy pressing die, comprising a mounting sleeve (1), a mounting hole (12) formed in the mounting sleeve (1), and a die (2) matching the mounting hole (12), wherein a through hole (13) is formed in the middle of the die (2), and the characteristics are as follows: An installation groove (3) is arranged inside the installation sleeve (1). A turntable (5) is installed inside the installation groove (3). A first magnet (6) is installed inside the turntable (5). A second magnet (11) is arranged at the bottom of the mold (2). A through groove (4) penetrating the wall of the installation sleeve (1) is formed on one side of the installation groove (3). A connecting rod (9) is fixedly connected to the outer wall of the turntable (5). The connecting rod (9) is installed in the through groove (4). A clamping groove (7) is formed on the inner wall of the installation hole (12). A clamping block (8) matching the clamping groove (7) is fixedly arranged on the outer wall of the mold (2).

2. The powder metallurgy pressing die according to claim 1, characterized in that: There are several molds (2) with different sizes and shapes of openings (13).

3. A powder metallurgy pressing die according to claim 1, characterized in that: A through hole with the same size and shape as the opening (13) is formed in the middle of the second magnet (11), and the through hole and the opening (13) overlap vertically.

4. The powder metallurgy pressing die according to claim 1, wherein: The second magnet (11) matches the first magnet (6).

5. A powder metallurgy pressing die according to claim 1, characterized in that: A handle (10) is arranged at one end of the connecting rod (9).

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