CN212885035U - Water-cooled mold for metal powder injection molding - Google Patents
Water-cooled mold for metal powder injection molding Download PDFInfo
- Publication number
- CN212885035U CN212885035U CN202021734855.4U CN202021734855U CN212885035U CN 212885035 U CN212885035 U CN 212885035U CN 202021734855 U CN202021734855 U CN 202021734855U CN 212885035 U CN212885035 U CN 212885035U
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- Prior art keywords
- mold
- mould
- water
- rectangle
- heat absorption
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 19
- 239000002184 metal Substances 0.000 title claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 45
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052802 copper Inorganic materials 0.000 claims abstract description 41
- 239000010949 copper Substances 0.000 claims abstract description 41
- 238000010521 absorption reaction Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 10
- 239000011230 binding agent Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a metal powder injection moulding's water-cooled mould belongs to mould technical field. A water-cooled mold for metal powder injection molding comprises a mold cooling piece, wherein a water storage tank is formed in the inner wall of the mold cooling piece, a rectangular heat absorption copper plate is arranged on one side of the water storage tank, a mold body is clamped inside the rectangular heat absorption copper plate, a rectangular recess is formed in the outer surface of the mold body, and a rectangular protrusion is fixedly connected inside the rectangular heat absorption copper plate; the utility model discloses a rectangle heat absorption copper, the sunken and bellied setting of rectangle, with the mould body put into mould cooling piece back in, the rectangle arch on the rectangle heat absorption copper can block into in the rectangle is sunken for the mould body is attached in rectangle heat absorption copper completely, when cooling off the mould body, rectangle heat absorption copper can be isolated the cooling water of mould body and catch basin and open, avoids causing the corruption to mould cooling piece surface, reduces life.
Description
Technical Field
The utility model relates to the technical field of mold, especially, relate to a metal powder injection moulding's water-cooled mould.
Background
Metal injection molding is a molding method in which a plasticized mixture of metal powder and its binder is injected into a mold. The preparation method comprises the steps of mixing the selected powder with a binder, granulating the mixture, and then performing injection molding to obtain the required shape. The polymer imparts its viscous flow characteristics to the mix, which aids in the uniformity of forming, cavity filling and powder packing. After forming, the binder is removed, and the degreased blank is sintered. Some sintered products may be subjected to further densification, heat treatment or machining. The sintered product not only has the same complex shape and high precision as the product obtained by the plastic injection molding method, but also has the physical, chemical and mechanical properties close to those of the forged piece. The process technology is suitable for mass production of small-sized, precise and metal parts with complex three-dimensional shapes and special performance requirements.
At present, the mould often needs to cool off it after injection moulding, and current cooling method often sets up the water-cooling passageway in the die cavity outside of mould, not only makes the difference in temperature great between the component of keeping away from the water-cooling passageway in the mould and the component that closes close to, and the cooling that leads to the work piece is uneven, and the cooling water in the water-cooling passageway produces chemical reaction with the mould body when rising the temperature, causes the corruption to it, has reduced the life of mould.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art in the mould keep away from the water-cooling passageway the component and press close to between the component difference in temperature great, the cooling that leads to the work piece is unbalanced, and the cooling water in the water-cooling passageway produces chemical reaction with the mould body when heaing up, causes the corruption to it, has reduced mould life's problem, and the water-cooled mould of a metal powder injection moulding who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a metal powder injection moulding's water-cooled mould, includes mould cooling piece, the catch basin has been seted up to the inner wall of mould cooling piece, one side of catch basin is provided with rectangle heat absorption copper, the inside joint of rectangle heat absorption copper has the mould body, the rectangle is sunken seted up to the surface of mould body, the inside fixedly connected with rectangle arch of rectangle heat absorption copper, the protruding and rectangle of rectangle sunken looks adaptation, the die cavity has been seted up to the inside of mould body, the catch cavity has been seted up on the inside top of mould body.
Preferably, a first liquid inlet pipe is inserted into one side of the top of the die body, and a second liquid inlet pipe is inserted into one side of the die cooling part.
Preferably, both sides of the mold cooling part are fixedly connected with locking screws, and one ends of the locking screws are in threaded connection with the rectangular heat-absorbing copper plate.
Preferably, the two sides of the die body are both provided with gaskets, and the two sides of the top of the die body are both inserted with locking bolts.
Preferably, one end of the locking bolt penetrates through the inside of the gasket and is in threaded connection with the mold cooling part, an exhaust cavity is formed in one side of the top of the water storage tank, and an exhaust hole is formed in one side of the exhaust cavity.
Preferably, a connecting flange is fixedly installed at the bottom of the water storage tank, a valve is arranged on the front face of the connecting flange, and a drain pipe is arranged below the connecting flange and is inserted into the bottom of the mold cooling part.
Compared with the prior art, the utility model provides a metal powder injection moulding's water-cooled mould possesses following beneficial effect:
1. the utility model discloses, through the sunken and bellied setting of rectangle heat absorption copper, rectangle, with the mould body put into mould cooling spare back, rectangle arch on the rectangle heat absorption copper can block into the rectangle sunken in for the mould body is attached in rectangle heat absorption copper completely, when cooling off the mould body, rectangle heat absorption copper can be with the cooling water isolated division in mould body and the catch basin, avoids causing the corruption to mould cooling spare surface, reduces life.
2. The utility model discloses, through the setting in rectangle heat absorption copper, mould body and exhaust chamber, because the mould body is attached in rectangle heat absorption copper completely, wherein the rectangle heat absorption copper has good heat conductivity, can absorb the heat that the mould body gave out fast, make the cooling of mould body even simultaneously, avoid the mould body each component difference in temperature great, make the cooling of work piece unbalanced, influence the quality of powder metallurgy spare.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses avoid causing the corruption to mould cooling piece surface, reduce life.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the front cross-sectional structure of the rectangular heat-absorbing copper plate of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 4 is an enlarged schematic structural diagram of the point B in fig. 1 according to the present invention.
In the figure: 1. a mold cooling member; 2. a water storage tank; 3. a rectangular heat absorption copper plate; 4. a mold body; 5. a rectangular recess; 6. a rectangular protrusion; 7. a mold cavity; 8. a water storage cavity; 9. a first liquid inlet pipe; 10. a second liquid inlet pipe; 11. locking the screw rod; 12. a gasket; 13. locking the bolt; 14. an exhaust chamber; 15. an exhaust hole; 16. a connecting flange; 17. and a water discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, a water-cooled mold for metal powder injection molding comprises a mold cooling part 1, a water storage tank 2 is arranged on the inner wall of the mold cooling part 1, a rectangular heat absorption copper plate 3 is arranged on one side of the water storage tank 2, a mold body 4 is clamped inside the rectangular heat absorption copper plate 3, a rectangular recess 5 is arranged on the outer surface of the mold body 4, a rectangular protrusion 6 is fixedly connected inside the rectangular heat absorption copper plate 3, the rectangular protrusion 6 is matched with the rectangular recess 5, after the mold body 4 is placed into the mold cooling part 1, the rectangular protrusion 6 on the rectangular heat absorption copper plate 3 can be clamped into the rectangular recess 5, so that the mold body 4 is completely attached into the rectangular heat absorption copper plate 3, a mold cavity 7 is arranged inside the mold body 4, when the mold body 4 is cooled, the rectangular heat absorption copper plate 3 can isolate the mold body 4 from cooling water in the water storage tank 2, avoid causing corrosion to the surface of the mold cooling part 1, reduce the service life and open the top end inside the mold body 4 with the water storage cavity 8, the staff can inject cooling water into the water storage cavity 8, one side of the top of the mold body 4 is inserted with the first liquid inlet pipe 9, one side of the mold cooling part 1 is inserted with the second liquid inlet pipe 10, through the arrangement of the second liquid inlet pipe 10, the staff can inject cooling water into the water storage tank 2, both sides of the mold cooling part 1 are fixedly connected with the locking screw 11, one end of the locking screw 11 is in threaded connection with the rectangular heat absorption copper plate 3, the staff can take out the rectangular heat absorption copper plate 3 from the mold cooling part 1 by screwing the locking screw 11, both sides of the mold body 4 are provided with the gaskets 12, because the mold body 4 is completely attached in the rectangular heat absorption copper plate 3, wherein the rectangular heat absorption copper plate 3 has good thermal conductivity, the heat emitted by the die body 4 can be quickly absorbed, the temperature of the die body 4 is uniformly reduced, the problem that temperature difference of each component of the die body 4 is large, the cooling of a workpiece is unbalanced, the quality of a powder metallurgy part is affected is solved, locking bolts 13 are inserted into two sides of the top of the die body 4, one ends of the locking bolts 13 penetrate through the inside of the gasket 12 and are in threaded connection with the die cooling part 1, one side of the top of the water storage tank 2 is provided with an exhaust cavity 14, water vapor generated in the water storage tank 2 can be exhausted through the exhaust cavity 14, one side of the exhaust cavity 14 is provided with an exhaust hole 15, the bottom of the water storage tank 2 is fixedly provided with a connecting flange 16, the front of the connecting flange 16 is provided with a valve, when cooling water in the water storage tank 2 needs to be replaced, a worker can enable the cooling water to flow into the drain pipe, a drain 17 is plugged into the bottom of the mold cooling element 1.
In the utility model, after the mould body 4 is placed in the mould cooling piece 1, the rectangular protrusions 6 on the rectangular heat absorption copper plate 3 can be clamped into the rectangular depressions 5 through the arrangement of the rectangular heat absorption copper plate 3, the rectangular protrusions 5 and the rectangular protrusions 6, so that the mould body 4 is completely attached in the rectangular heat absorption copper plate 3, when the mould body 4 is cooled, the rectangular heat absorption copper plate 3 can isolate the mould body 4 from the cooling water in the water storage tank 2, thereby avoiding the corrosion on the surface of the mould cooling piece 1, reducing the service life, through the arrangement of the rectangular heat absorption copper plate 3, the mould body 4 and the exhaust cavity 14, because the mould body 4 is completely attached in the rectangular heat absorption copper plate 3, wherein the rectangular heat absorption copper plate 3 has good heat conductivity, can quickly absorb the heat emitted by the mould body 4, simultaneously, the temperature of the mould body 4 is uniformly cooled, and the temperature difference of each component of the mould body 4 is avoided to, the cooling of the workpiece is unbalanced, and the quality of the powder metallurgy part is influenced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a metal powder injection moulding's water-cooled mould, includes mould cooling piece (1), its characterized in that, catch basin (2) have been seted up to the inner wall of mould cooling piece (1), one side of catch basin (2) is provided with rectangle heat absorption copper (3), the inside joint of rectangle heat absorption copper (3) has mould body (4), the rectangle is sunken (5) have been seted up to the surface of mould body (4), the inside fixedly connected with rectangle arch (6) of rectangle heat absorption copper (3), rectangle arch (6) and rectangle are sunken (5) looks adaptation, die cavity (7) have been seted up to the inside of mould body (4), water storage cavity (8) have been seted up on the inside top of mould body (4).
2. The water-cooled mold for metal powder injection molding according to claim 1, wherein a first liquid inlet pipe (9) is inserted into one side of the top of the mold body (4), and a second liquid inlet pipe (10) is inserted into one side of the mold cooling member (1).
3. The water-cooled mold for metal powder injection molding according to claim 1, wherein locking screws (11) are fixedly connected to both sides of the mold cooling member (1), and one end of each locking screw (11) is in threaded connection with the rectangular heat-absorbing copper plate (3).
4. The water-cooled mold for metal powder injection molding according to claim 1, wherein gaskets (12) are arranged on both sides of the mold body (4), and locking bolts (13) are inserted into both sides of the top of the mold body (4).
5. The water-cooled mold for metal powder injection molding according to claim 4, wherein one end of the locking bolt (13) penetrates through the inside of the gasket (12) and is in threaded connection with the mold cooling part (1), one side of the top of the water storage tank (2) is provided with an exhaust cavity (14), and one side of the exhaust cavity (14) is provided with an exhaust hole (15).
6. The water-cooled mold for metal powder injection molding according to claim 1, wherein a connecting flange (16) is fixedly installed at the bottom of the water storage tank (2), a valve is arranged on the front surface of the connecting flange (16), a drain pipe (17) is arranged below the connecting flange (16), and the drain pipe (17) is inserted into the bottom of the mold cooling part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021734855.4U CN212885035U (en) | 2020-08-18 | 2020-08-18 | Water-cooled mold for metal powder injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021734855.4U CN212885035U (en) | 2020-08-18 | 2020-08-18 | Water-cooled mold for metal powder injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212885035U true CN212885035U (en) | 2021-04-06 |
Family
ID=75246040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021734855.4U Active CN212885035U (en) | 2020-08-18 | 2020-08-18 | Water-cooled mold for metal powder injection molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212885035U (en) |
-
2020
- 2020-08-18 CN CN202021734855.4U patent/CN212885035U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: LUOYANG MINGLI SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. Assignor: Luoyang Kunyi New Material Technology Co.,Ltd. Contract record no.: X2023980053781 Denomination of utility model: A water-cooled mold for metal powder injection molding Granted publication date: 20210406 License type: Common License Record date: 20231228 |