Powder metallurgy pressing die

Abstract

The utility model discloses a powder metallurgy pressing die which comprises a lower die base, a lower die base is fixedly installed on the upper surface of the lower die base, an upper die base is arranged above the lower die base, a lower die liquid inlet is formed in the outer wall of one side of the lower die base, and a lower die liquid outlet is formed in the outer wall of the other side of the lower die base. The lower die liquid inlet and the lower die liquid outlet are communicated and connected through a lower die cooling channel, an upper die liquid inlet is formed in the outer wall of one side of the upper die base, an upper die liquid outlet is formed in the outer wall of the other side of the upper die base, and the upper die liquid inlet and the upper die liquid outlet are communicated and connected through an upper die cooling channel. According to the utility model, the S-shaped cooling channel is arranged, so that the upper die and the lower die can be effectively and quickly subjected to water cooling treatment, the purpose of quick cooling can be achieved, the S-shaped cooling channel can effectively increase the water cooling coverage area, and the technical effect of large-area heat dissipation and cooling can be achieved; therefore, products can be effectively prevented from being bonded by quickly cooling the materials with water.

Description

Technical Field

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

[0002] Powder metallurgy is a process technology that produces metal powder or uses metal powder (or a mixture of metal powder and non-metal powder) as raw material, and then forms and sinters it to manufacture metal materials, composite materials, and various types of products. Powder metallurgy is similar to the production of ceramics, both of which belong to powder sintering technology. Therefore, a series of new powder metallurgy technologies can also be used to prepare ceramic materials. Due to the advantages of powder metallurgy technology, it has become the key to solving new material problems and plays a vital role in the development of new materials.

[0003] Therefore, during manufacturing, the material powder will first be filled between the molds, then compacted and heated through the mold, and finally the finished product will be obtained. When the material is heated, certain chemical changes will occur. If the material cannot be cooled and removed in time after molding, bonding is very likely to occur, affecting the production quality of the product. Utility Model Content

[0004] The utility model provides a powder metallurgy pressing die, which is used to solve the problems raised in the background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a powder metallurgy pressing die, comprising a lower die base, a lower die base is fixedly mounted on the upper surface of the lower die base, the lower die base and the lower die base adopt an integrated molding structure design, an upper die base is arranged above the lower die base, a lower die liquid inlet is provided on an outer wall on one side of the lower die base, a lower die liquid outlet is provided on an outer wall on the other side of the lower die base, the lower die liquid inlet and the lower die liquid outlet are interconnected through a lower die cooling channel, an upper die liquid inlet is provided on an outer wall on one side of the upper die base, an upper die liquid outlet is provided on an outer wall on the other side of the upper die base, the upper die liquid inlet and the upper die liquid outlet are interconnected through an upper die cooling channel, and both the upper die cooling channel and the lower die cooling channel adopt a serpentine design.

[0007] Furthermore, in order to ensure the normal use of the mold, a lower mold cavity is arranged at the center position of the upper surface of the lower mold base, and a compression mold is arranged on the upper surface of the lower mold cavity.

[0008] Furthermore, in order to improve the structural adaptability between the upper die base and the lower die base, an upper die core adapted to the lower die cavity is provided on the lower surface of the upper die base, and the upper die core and the upper die base are integrally formed.

[0009] Furthermore, in order to facilitate the connection of the lower die base to the external driving cylinder structure, an upper die connecting base is fixedly installed at the center position of the upper surface of the lower die base by welding.

[0010] Furthermore, in order to provide a certain displacement guidance, upper die guide holes are provided at the four corners of the outer surface of the upper die seat, and the upper die guide holes are through-holes.

[0011] Compared with the prior art, the utility model provides the following beneficial effects:

[0012] The utility model provides upper mold guide holes at the four corners of the upper mold base, and the upper mold guide holes can be slidably connected with the guide columns of the pressing molding machine, so that the displacement guiding work of the descending process can be completed through the coordinated use of the guide columns and the upper mold guide holes, thereby effectively improving the linearity of the mold displacement, improving the linear displacement accuracy, and having a better use effect;

[0013] The utility model provides a lower die liquid inlet and an upper die liquid inlet on the lower die seat and the upper die seat respectively. After the powder metallurgy material is heated and pressed into shape, cold water or coolant can be respectively injected into the lower die seat and the upper die seat through the lower die liquid inlet and the upper die liquid inlet. The injected cold water or coolant can pass through the upper die cooling channel and the lower die cooling channel. The upper and lower dies can be effectively and quickly cooled by water through the serpentine cooling channel, so as to achieve the purpose of rapid cooling. The serpentine cooling channel can effectively increase the coverage area of ​​water cooling, and can achieve the technical effect of large-area heat dissipation and cooling. Therefore, the material can be quickly cooled by water to effectively avoid product adhesion, accelerate molding efficiency, and improve product production quality. The cooling water after passing through the cooling channel can be discharged through two liquid outlets. In actual use, the cooling water can be recycled and reused, so as to improve resource utilization efficiency and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the mold of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall bottom structure of the mold of the utility model when viewed from above;

[0017] Figure 3It is a schematic diagram of the cutaway structure of the upper die cooling channel of the utility model;

[0018] Figure 4 It is a schematic diagram of the cutaway structure of the lower die cooling channel of the utility model.

[0019] In the figure: 1. lower mold base; 2. lower mold seat; 3. lower mold cavity; 4. upper mold seat; 5. upper mold core; 6. upper mold liquid inlet; 7. upper mold liquid outlet; 8. upper mold cooling channel; 9. lower mold liquid outlet; 10. lower mold liquid inlet; 11. lower mold cooling channel; 12. upper mold connecting seat; 13. upper mold guide hole. DETAILED DESCRIPTION

[0020] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0021] According to an embodiment of the utility model, a powder metallurgy pressing die is provided.

[0022] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-4 As shown, according to the powder metallurgy pressing mold of the embodiment of the utility model, it includes a lower mold base 1, a lower mold base 2 is fixedly installed on the upper surface of the lower mold base 1, the lower mold base 1 and the lower mold base 2 adopt an integrated molding structure design, an upper mold base 4 is arranged above the lower mold base 2, a lower mold liquid inlet 10 is opened on the outer wall of one side of the lower mold base 2, and a lower mold liquid outlet 9 is opened on the outer wall of the other side of the lower mold base 2, the lower mold liquid inlet 10 and the lower mold liquid outlet 9 are interconnected through a lower mold cooling channel 11, an upper mold liquid inlet 6 is opened on the outer wall of one side of the upper mold base 4, and an upper mold liquid outlet 7 is opened on the outer wall of the other side of the upper mold base 4, the upper mold liquid inlet 6 and the upper mold liquid outlet 7 are interconnected through an upper mold cooling channel 8, and the upper mold cooling channel 8 and the lower mold cooling channel 11 both adopt a serpentine design.

[0023] In one embodiment, a lower mold cavity 3 is disposed at the center of the upper surface of the lower mold base 2 , and a compression mold is disposed on the upper surface of the lower mold cavity 3 .

[0024] In one embodiment, an upper die core 5 adapted to the lower die cavity 3 is disposed on the lower surface of the upper die base 4 , and the upper die core 5 and the upper die base 4 are integrally formed.

[0025] In one embodiment, an upper mold connecting base 12 is fixedly mounted on the center of the upper surface of the lower mold base 2 by welding.

[0026] In one embodiment, upper die guide holes 13 are formed at four corners of the outer surface of the upper die base 4 , and the upper die guide holes 13 are through holes.

[0027] Working principle: When the pressing mold of the utility model is actually used, the lower mold base 2 can be installed on the bottom of the external pressing molding machine through the lower mold base 1, and the upper mold base 4 can be installed on the pressing output end of the pressing molding machine through the upper mold connecting base 12, so that the upper mold base 4 can be driven to descend and press through the pressing molding machine, thereby ensuring the normal use of the pressing mold;

[0028] The utility model is provided with upper mold guide holes 13 at the four corners of the upper mold base 4, and the upper mold guide holes 13 can be slidably connected with the guide columns of the pressing molding machine, so that the displacement guiding work of the descending process can be completed through the coordinated use of the guide columns and the upper mold guide holes 13, thereby effectively improving the linearity of the mold displacement, improving the linear displacement accuracy, and having a better use effect;

[0029] The utility model is provided with a lower die liquid inlet 10 and an upper die liquid inlet 6 on the lower die base 2 and the upper die base 4 respectively. After the powder metallurgy material is heated and pressed into shape, cold water or coolant can be injected into the lower die base 2 and the upper die base 4 respectively through the lower die liquid inlet 10 and the upper die liquid inlet 6. The injected cold water or coolant can pass through the upper die cooling channel 8 and the lower die cooling channel 11. The serpentine cooling channel can effectively perform rapid water cooling on the upper and lower dies, thereby achieving the purpose of rapid cooling. The serpentine cooling channel can effectively increase the coverage area of ​​water cooling, and can achieve the technical effect of large-area heat dissipation and cooling. Therefore, by performing rapid water cooling on the material, product adhesion can be effectively avoided, molding efficiency can be accelerated, and product production quality can be improved. The cooling water after passing through the cooling channel can be discharged through the two liquid outlets. In actual use, the cooling water can be recycled and reused, thereby improving resource utilization efficiency and reducing production costs.

[0030] In summary, with the aid of the above technical solution of the utility model, the technical problem in the background technology that "the transport device cannot compact the aerated block during use, so that it is easy to cause bumps due to bumps during transportation, affecting normal use" is solved.

[0031] In the present utility model, unless otherwise clearly specified and limited, the terms "installation", "setting", "connection", "fixation", "screwing" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly limited, ordinary technicians in this field can understand the specific meanings of the above terms in the present utility model according to the specific circumstances. The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A powder metallurgy pressing die, characterized in that: The invention comprises a lower die base (1), a lower die base (2) is fixedly mounted on the upper surface of the lower die base (1), the lower die base (1) and the lower die base (2) adopt an integrally formed structural design, an upper die base (4) is arranged above the lower die base (2), a lower die liquid inlet (10) is provided on one side outer wall of the lower die base (2), a lower die liquid outlet (9) is provided on the other side outer wall of the lower die base (2), the lower die liquid inlet (10) and the lower die liquid outlet (9) are interconnected via a lower die cooling channel (11), an upper die liquid inlet (6) is provided on one side outer wall of the upper die base (4), an upper die liquid outlet (7) is provided on the other side outer wall of the upper die base (4), the upper die liquid inlet (6) and the upper die liquid outlet (7) are interconnected via an upper die cooling channel (8), and both the upper die cooling channel (8) and the lower die cooling channel (11) adopt a serpentine design.

2. The powder metallurgy pressing die according to claim 1, characterized in that: A lower die cavity (3) is arranged at the center position of the upper surface of the lower die seat (2), and a pressing die piece is arranged on the upper surface of the lower die cavity (3).

3. The powder metallurgy pressing die according to claim 1, characterized in that: An upper die core (5) adapted to the lower die cavity (3) is provided on the lower surface of the upper die base (4); the upper die core (5) and the upper die base (4) are integrally formed.

4. The powder metallurgy pressing die according to claim 1, characterized in that: An upper die connection seat (12) is fixedly mounted on the center position of the upper surface of the lower die seat (2) by welding.

5. The powder metallurgy pressing die according to claim 1, characterized in that: Upper die guide holes (13) are provided at four corners of the outer surface of the upper die seat (4), and the upper die guide holes (13) are through-holes.

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