CN214161391U - One-outlet multi-powder forming die - Google Patents

Abstract

The utility model provides a multi-powder forming die, which comprises a female die, a lower die and an upper die; the female die is provided with at least two cavities; the lower die comprises a lower die base, at least two lower pressing covers and at least two lower dies; at least two lower pressing covers are fixed on the lower die base; one end of each lower mould is correspondingly arranged in one lower gland, and the other end of each lower mould is correspondingly and movably inserted in one cavity; the upper die comprises an upper die base, at least two upper pressing covers and at least two upper dies; at least two upper pressing covers are fixed on the upper die holder; one end of each upper mold is correspondingly arranged in one upper gland, and the other end of each upper mold is correspondingly movably inserted in one cavity. A many powder forming die have two at least die cavities to and cope match and the drag match that corresponds with the die cavity, make a many powder forming die once work suppress out two at least products, greatly improved production efficiency.

Description

One-outlet multi-powder forming die

Technical Field

The utility model relates to a powder forming technology field particularly, relates to a many powder forming die.

Background

Powder compacting is also called powder die pressing, compaction for short, and is the earliest forming method in powder metallurgy production. Initially, russian and uk pressed platinum articles with steel dies. Subsequently, the powder press forming method has been gradually perfected for pressing green compacts for various oil-impregnated bearings, powder metallurgy antifriction articles, powder metal machine structural parts, and the like. Nowadays, with the continuous development of science and technology, the aspects of design of a press machine and a die are continuously improved, parts with complex shapes can be manufactured by dust forming, and the mechanization and automation degree of the pressing process is higher.

In the prior art, the high-pressure powder forming die is mainly used for pressing magnetic powder cores such as iron silicon, iron silicon aluminum or iron nickel, only one product can be produced by one-time pressing, the production efficiency is low, and the production benefit is not favorably improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model relates to a multi-powder forming die, which comprises a female die, a lower die and an upper die; the female die is provided with at least two cavities; the lower die comprises a lower die base, at least two lower pressing covers and at least two lower dies; the lower gland is fixed on the lower die base; one end of each lower mould is correspondingly arranged in one lower gland, and the other end of each lower mould is correspondingly and movably inserted in one cavity; the upper die comprises an upper die base, at least two upper pressing covers and at least two upper dies; the upper gland is fixed on the upper die base; one end of each upper mold is correspondingly arranged in one upper gland, and the other end of each upper mold is correspondingly movably inserted in one cavity.

Preferably, the lower press cover is provided with a first lower clamping hole and a second lower clamping hole along the height direction of the lower press cover, the first lower clamping hole is communicated with the second lower clamping hole, the diameter of the first lower clamping hole is larger than that of the second lower clamping hole, the first lower clamping hole is close to the lower die base, and the second lower clamping hole is far away from the lower die base; the lower die comprises a lower extrusion part, a lower connecting part and a lower fixing part, the two ends of the lower connecting part are respectively fixed with the lower extrusion part and the lower fixing part, the outer diameter of the lower extrusion part is larger than that of the lower connecting part, the outer diameter of the lower fixing part is larger than that of the lower extrusion part, the lower fixing part is sleeved on the first lower clamping hole, and the lower connecting part is sleeved on the second lower clamping hole.

Preferably, the upper gland is provided with a first upper clamping hole and a second upper clamping hole along the height direction of the upper gland, the first upper clamping hole is communicated with the second upper clamping hole, the diameter of the first upper clamping hole is larger than that of the second upper clamping hole, the first upper clamping hole is close to the upper die holder, and the second upper clamping hole is far away from the upper die holder; the upper die comprises an upper extrusion part, an upper connecting part and an upper fixing part, wherein the upper extrusion part and the upper fixing part are respectively fixed at two ends of the upper connecting part, the outer diameter of the upper extrusion part is larger than that of the upper connecting part, and the outer diameter of the upper fixing part is larger than that of the upper extrusion part; the upper fixing part is sleeved on the first upper clamping hole, and the upper connecting part is sleeved on the second upper clamping hole.

Preferably, the master die comprises a die body and at least two die cores, the die cores are embedded in the die body, and each die core is provided with a die cavity.

Preferably, the utility model discloses still include well stick, well stick activity is inserted and is located type and down.

Preferably, the middle rod comprises a rod body and a pressing body, wherein one end of the rod body is connected with the pressing body, and the pressing body is used for pressing an inner hole of a product.

Preferably, the utility model discloses still include the protection casing, the protection casing is fixed in the outside of upper die base, and the upper die is located the protection casing.

Preferably, the die further comprises a first fastener, the lower pressing cover is provided with four first through holes, the lower die holder is provided with four first threaded holes, the first threaded holes are matched with the first through holes, and the first fastener is connected with the first threaded holes after penetrating through the first through holes.

Preferably, the utility model discloses still include the second fastener, four second through-holes have been seted up to every last gland, the second screw hole with second through-hole adaptation is seted up to the upper die base, and the second fastener is worn to locate behind the second through-hole and is connected with the second screw hole.

Compared with the prior art, the one-outlet multi-powder forming die is provided with at least two cavities and an upper die and a lower die which correspond to the cavities, so that at least two products can be pressed out by one-time working of the one-outlet multi-powder forming die, and the production efficiency is greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural diagram of a multi-powder forming mold according to an embodiment;

FIG. 2 is a schematic structural view of a master mold in an example;

FIG. 3 is a schematic structural diagram of a lower gland in the embodiment;

FIG. 4 is a sectional view taken along line A of FIG. 3;

FIG. 5 is a schematic structural view of the lower mold in the example;

FIG. 6 is a schematic structural diagram of an upper gland in the embodiment;

FIG. 7 is a sectional view taken along line A of FIG. 6;

FIG. 8 is a schematic structural view of the upper mold in the example;

FIG. 9 is one of the top views of the master model in the examples;

FIG. 10 is a second top view of the master mold of the embodiment.

Reference numerals: 1, a female die; 11, a die body; 12, die sleeve; 121 cavities; 2, lower die; 21, a lower die holder; 211 a first threaded hole; 22, pressing the cover downwards; 221 a first via hole; 222 a first lower clip aperture; 223 a second lower card hole; type 23 below; 231 a lower extrusion part; 232 a lower connecting part; 233 a lower fixing part; 3, upper die; 31, an upper die holder; 311 a second threaded hole; 32, pressing a cover; 321 a second via hole; 322 first upper clip hole; 323 a second upper clipping hole; type 33 above; 331 an upper extrusion part; 332, an upper connecting part; 333 upper fixing part; 4, a middle rod; 41 a rod body; 42 pressing the body; 5 protective cover.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

The description of the present invention as to "first", "second", etc. is for descriptive purposes only and not for purposes of particular reference to an order or sequence, nor for purposes of limitation, and is intended to distinguish between components or operations described in the same technical language and is not intended to indicate or imply relative importance or imply the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified in conjunction with the accompanying drawings as follows:

referring to fig. 1, fig. 1 is a schematic structural diagram of a multi-powder forming mold according to an embodiment. The present embodiment provides a multi-powder forming mold, which includes a master mold 1, a lower mold 2 and an upper mold 3, wherein the master mold 1 is located between the upper mold 3 and the lower mold 2.

Referring to fig. 2, fig. 2 is a schematic structural diagram of a master mold in an embodiment. The master mold 1 is provided with cavities 121, and the number of the cavities 121 is at least two.

The lower mold 2 includes a lower mold base 21, at least two lower pressing covers 22 and at least two lower molds 23, all the lower pressing covers 22 are fixed on the lower mold base 21, one end of each lower mold 23 is correspondingly arranged in one of the lower pressing covers 22, and the other end of each lower mold 23 is correspondingly movably inserted in one of the cavities 121.

The upper die 3 includes an upper die holder 31, at least two upper pressing covers 32, and at least two upper dies 33, all the upper pressing covers 32 are fixed on the upper die holder 31, one end of each upper die 33 is correspondingly disposed in one of the upper pressing covers 32, and the other end of each upper die 33 is correspondingly movably inserted into one of the cavities 121.

Further, please refer to fig. 1 and fig. 3-4, wherein fig. 3 is a top view of the lower gland in the embodiment, and fig. 4 is a sectional view taken along the direction a of fig. 3. The lower gland 22 is provided with a first lower clamping hole 222 and a second lower clamping hole 223 along the height direction, the first lower clamping hole 222 is communicated with the second lower clamping hole 223, the diameter of the first lower clamping hole 222 is larger than that of the second lower clamping hole 223, the first lower clamping hole 222 is close to the lower die holder 21, and the second lower clamping hole 223 is far away from the lower die holder 21. Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of a bottom mold. The lower die 23 comprises a lower extrusion part 231, a lower connecting part 232 and a lower fixing part 233, the two ends of the lower connecting part 232 are respectively fixed with the lower extrusion part 231 and the lower fixing part 233, the outer diameter of the lower extrusion part 231 is larger than that of the lower connecting part 232, and the outer diameter of the lower fixing part 233 is larger than that of the lower extrusion part 231; the lower connecting portion 232 is disposed in the second lower engaging hole 223, and the lower fixing portion 233 is disposed in the first lower engaging hole 222, so that the lower mold 23 is engaged with the lower cover 22.

Further, please refer to fig. 6-7, wherein fig. 6 is a top view of the upper gland in the embodiment, and fig. 7 is a sectional view taken along the direction a of fig. 6. The upper press cover 32 is provided with a first upper clamping hole 322 and a second upper clamping hole 323 along the height direction, the first upper clamping hole 322 is communicated with the second upper clamping hole 323, the diameter of the first upper clamping hole 322 is larger than that of the second upper clamping hole 323, the first upper clamping hole 322 is close to the upper die holder 31, and the second upper clamping hole 323 is far away from the upper die holder 31. Referring to fig. 8, fig. 8 is a schematic structural diagram of an upper mold in an embodiment. The upper mold 33 comprises an upper extrusion part 331, an upper connecting part 332 and an upper fixing part 333, wherein the upper extrusion part 331 and the upper fixing part 333 are respectively fixed at two ends of the upper connecting part 332, the outer diameter of the upper extrusion part 331 is larger than that of the upper connecting part 332, and the outer diameter of the upper fixing part 333 is larger than that of the upper extrusion part 331; the upper fixing portion 333 is disposed in the first upper engaging hole 322, and the upper connecting portion 332 is disposed in the second upper engaging hole 323, so that the upper mold 33 is engaged with the upper mold base 31.

Further, please refer to fig. 2 and fig. 8-9, in which fig. 8 is a first top view of the mother die in the embodiment, and fig. 9 is a second top view of the mother die in the embodiment. The master die 1 comprises a die body 11 and at least two die cores 12, wherein the die cores 12 are embedded in the die body 11, and each die core 12 is provided with a cavity 121. Preferably, the number of core sleeves 12 is at least two.

When the die presses a product, the upper die 33 and the lower die 23 slide with the die cavity 121, after the die is used for a period of time, the die core 12 is worn, the size of the die cavity 121 is enlarged, and accordingly the overall dimension of the finished product has a large error, only the die core 12 needs to be replaced at the moment, the whole female die does not need to be replaced, and the production cost is saved.

Further, referring to fig. 1, the present embodiment further includes a middle rod 4, and the middle rod 4 movably penetrates through the lower mold 23 and the lower mold 33. Preferably, the middle rod 4 comprises a rod body 41 and a pressing body 42, wherein the pressing body 42 is connected to one end of the rod body 41, the pressing body 42 is used for pressing an inner hole of a product, metal powder is filled into the cavity 121, and the pressing body 42 is directly contacted with the metal powder.

Further, referring to fig. 1, the present embodiment further includes a protective cover 5, wherein the protective cover 5 is fixed on the outer side of the upper die holder 31, and the protective cover 5 is covered with an upper mold 33. When the upper die 33 receives excessive pressure, the upper die 33 may burst, fragments of the burst upper die 33 may be splashed, and the protective cover 5 may block the splashed fragments, so as to prevent the fragments from hurting an operator, and improve the safety performance of the die during pressing.

Further, referring to fig. 1 and fig. 2-3, the present embodiment further includes first fastening members, each of the lower pressing covers 22 has four first through holes 221, the lower die base 21 has a first threaded hole 211 adapted to the first through holes 221, and the first fastening members are connected to the first threaded holes 211 after penetrating through the first through holes 221. Preferably, the first through holes 221 are uniformly distributed at the edge of the lower cover 22. Four fasteners are used for fixing the lower pressing cover 22 and the lower die base 21, so that the stability of the lower pressing cover 22 and the lower die base 21 is enhanced.

Further, referring to fig. 1 and fig. 6 to 7, the present embodiment further includes a second fastening member, the upper gland 32 is provided with four second through holes 321, the upper die base 31 is provided with four second threaded holes 311, the second threaded holes 311 are adapted to the second through holes 321, and the second fastening member is connected to the second threaded holes 311 after penetrating through the second through holes 321. Preferably, the second through holes 321 are uniformly distributed on the edge of the upper cover 32. Four fasteners are used for fixing the upper gland 32 and the upper die base 31, so that the stability of the upper gland 32 and the upper die base 31 is enhanced.

In an initial state, each middle rod 4 is inserted into the corresponding lower mold 23, and the lower mold 23 is inserted into one end of the cavity 121; when the die is used, a proper amount of powder is added into all the cavities 121, and all the upper dies 33 synchronously press the metal powder in the corresponding cavities 121 downwards so that the metal powder is pressed into a product; after pressing the metal powder into a product, all the upper molds 33 are synchronously withdrawn from the cavity 121, and simultaneously, the female mold 1 moves downwards, so that the lower molds 23 synchronously eject the product.

In conclusion, one multi-powder forming die is provided with at least two cavities and an upper die and a lower die which correspond to the cavities, so that at least two products can be pressed out by one-time operation of the one multi-powder forming die, and the production efficiency is greatly improved.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (9)

1. A many powder forming die go out, characterized by, includes:

the female die comprises a female die (1), wherein the female die (1) is provided with at least two cavities (121);

the lower die (2) comprises a lower die seat (21), at least two lower pressing covers (22) and at least two lower dies (23); the lower gland (22) is fixed on the lower die seat (21); one end of each lower mold (23) is correspondingly arranged in one lower pressing cover (22), and the other end of each lower mold (23) is correspondingly movably inserted in one cavity (121); and

the upper die (3) comprises an upper die base (31), at least two upper pressing covers (32) and at least two upper dies (33); the upper gland (32) is fixed on the upper die holder (31); one end of each upper mold (33) is correspondingly arranged in one of the upper pressing covers (32), and the other end of each upper mold (33) is correspondingly movably inserted in one of the cavities (121).

2. A multi-powder forming die as claimed in claim 1, wherein:

a first lower clamping hole (222) and a second lower clamping hole (223) are formed in the lower pressing cover (22) along the height direction of the lower pressing cover, the first lower clamping hole (222) is communicated with the second lower clamping hole (223), the diameter of the first lower clamping hole (222) is larger than that of the second lower clamping hole (223), the first lower clamping hole (222) is close to the lower die holder (21), and the second lower clamping hole (223) is far away from the lower die holder (21);

lower type (23) are including extrusion portion (231), lower connecting portion (232) and lower fixed part (233) down, the both ends of lower connecting portion (232) are fixed with respectively extrusion portion (231) down and fixed part (233) down, the external diameter of extrusion portion (231) is greater than down the external diameter of connecting portion (232) down, the external diameter of fixed part (233) is greater than down the external diameter of extrusion portion (231), fixed part (233) cover is located first calorie of hole (222) down, lower connecting portion (232) cover is located calorie of hole (223) down.

3. A multi-powder forming die as claimed in claim 1, wherein:

the upper gland (32) is provided with a first upper clamping hole (322) and a second upper clamping hole (323) along the height direction, the first upper clamping hole (322) is communicated with the second upper clamping hole (323), the diameter of the first upper clamping hole (322) is larger than that of the second upper clamping hole (323), the first upper clamping hole (322) is close to the upper die holder (31), and the second upper clamping hole (323) is far away from the upper die holder (31);

the upper die (33) comprises an upper extrusion part (331), an upper connecting part (332) and an upper fixing part (333), the two ends of the upper connecting part (332) are respectively fixed with the upper extrusion part (331) and the upper fixing part (333), the outer diameter of the upper extrusion part (331) is larger than that of the upper connecting part (332), and the outer diameter of the upper fixing part (333) is larger than that of the upper extrusion part (331); the upper fixing portion (333) is sleeved in the first upper clamping hole (322), and the upper connecting portion (332) is sleeved in the second upper clamping hole (323).

4. A multi-powder forming die as claimed in claim 1, wherein: the female die (1) comprises a die body (11) and at least two die cores (12), wherein the die cores (12) are embedded in the die body (11), and each die core (12) is provided with a cavity (121).

5. A multi-powder forming die according to any one of claims 1 to 4, wherein: the mould also comprises a middle rod (4), wherein the middle rod (4) is movably inserted in the upper mould (33) and the lower mould (23).

6. A multi-powder forming die as claimed in claim 5, wherein: the middle rod (4) comprises a rod body (41) and a pressing body (42), one end of the rod body (41) is connected with the pressing body (42), and the pressing body (42) is used for pressing an inner hole of a product.

7. A multi-powder forming die according to any one of claims 1 to 4, wherein: still include protection casing (5), protection casing (5) are fixed in the outside of upper die base (31), last type (33) are located in protection casing (5).

8. A multi-powder forming die according to any one of claims 1 to 4, wherein: the die holder is characterized by further comprising a first fastener, wherein four first through holes (221) are formed in the lower pressing cover (22), four first threaded holes (211) are formed in the lower die holder (21), the first threaded holes (211) are matched with the first through holes (221), and the first fastener penetrates through the first through holes (221) and then is connected with the first threaded holes (211).

9. A multi-powder forming die according to any one of claims 1 to 4, wherein: the stamping die is characterized by further comprising second fasteners, wherein four second through holes (321) are formed in each upper pressing cover (32), second threaded holes (311) matched with the second through holes (321) are formed in the upper die base (31), and the second fasteners penetrate through the second through holes (321) and are connected with the second threaded holes (311).

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